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Business tools review

Calilio review for UK small businesses

Cloud phone system for business calling: virtual numbers in multiple countries, call forwarding, IVR, call recording, voicemail, SMS and AI call features without PBX hardware.

3.8/5
Standard $15 per user per month (or $12 billed annually) and Premium $35 per user per month (or $28 billed annually), with a $1 sign-up wallet credit, bundled minutes and SMS, and prepaid calling packs for the UK from $14 — confirm current pricing with Calilio.

Reviewed by UK Business Stack Editorial Team · Last reviewed · Business tools review

Independent editorial assessment based on workflow fit, UK small business suitability and implementation risk. Methodology notes are available on each category hub and comparison page.

Documentation-based analysis: this review is built from official Calilio product, pricing and help documentation. No live Calilio trial was run for it.

Affiliate relationships do not determine our editorial conclusions, ratings or recommendations.

Editorial methodology and independence standardsAffiliate disclosure

Quick verdict

Should Calilio be on your shortlist?

Strongest use case
A small business that needs an affordable UK virtual number with professional call handling — forwarding, IVR, voicemail, call recording and SMS — and is comfortable with Singapore-based data hosting, a wallet-based pricing model and the absence of security certifications.
Main limitation
Calilio is a Singapore company with primary data hosting in Singapore, no ISO 27001 or SOC 2 certification — explicitly disclaimed in its own data security policy — no free trial, a thin integration catalogue with several key CRMs still coming soon, and a wallet-based pricing model that can be harder to forecast than flat rates.
Who should investigate it
Small businesses that need a UK virtual number with solid call management at a low per-user price, that use Pipedrive or HubSpot rather than Salesforce, and that accept Singapore data hosting and the absence of security certifications.
When another approach makes more sense
Buyers who need UK or EU data residency, ISO 27001 or SOC 2 certification, a free trial, deep Salesforce or Zendesk integration, or a platform with a longer track record and larger integration ecosystem.

Product at a glance

Calilio in one view

Product type
Cloud phone system (VoIP) for business calling: virtual numbers, call management, voicemail, SMS and AI call features, sold as self-service SaaS with a wallet-based pricing model
Primary use
Giving a small business a professional calling setup — a UK or international virtual number with forwarding, IVR, call recording, voicemail and SMS — without PBX hardware
Best suited to
The vendor positions Calilio for businesses needing numbers in 100+ countries; in practice small businesses that need an affordable UK virtual number with solid call management
Pricing model
Per user per month in US dollars: Standard $15 (or $12 billed annually) and Premium $35 (or $28 billed annually), with a $1 sign-up wallet credit, bundled minutes and SMS, and prepaid UK calling packs from $14
Vendor and contract
Calilio is operated by CALILIO PTE. LTD., a Singapore company with UEN 202433643W, founded around 2022. Month-to-month billing with a 14-day money-back guarantee covering light usage
Deployment
Cloud service accessed through iOS and Android apps, a Chrome extension softphone and a web interface, with virtual numbers provisioned in multiple countries and no on-premise hardware
Data, security and support
Primary data hosting in Singapore on AWS, with subprocessors including Twilio, AWS, Meta, Stripe and Crisp. No ISO 27001 or SOC 2 certification — explicitly disclaimed. GDPR and UK data protection references in the privacy policy. 24/7 support by chat, WhatsApp and email
Editorial rating
3.8 out of 5, assessed against the documented evaluation framework: pricing logic, feature depth for small businesses, implementation effort, integration quality, support responsiveness and UK fit
Affiliate relationship
This page uses an affiliate link — see the disclosure at the foot of the page

Definition

What is Calilio?

Calilio is a cloud phone system that gives a small business a professional calling setup without PBX hardware. It provides virtual phone numbers in multiple countries including the UK, call forwarding, IVR and auto-attendant, call queues, call recording, voicemail with transcription, SMS and MMS, and AI features for transcription, summaries and sentiment analysis. The pitch is that a business can have a UK number, route calls to mobile and desktop devices, record and analyse conversations, and text customers — all from a browser and apps, with no telephony hardware to buy.

The UK relevance is real and verified. Calilio publishes a dedicated UK number page, offers the first UK number free with any paid subscription, supports local geographic numbers, toll-free 0800 and 0808 numbers, mobile 07 numbers and vanity numbers, and supports UK number porting. The site lists dedicated pages for sixteen UK cities including London, Manchester, Birmingham and Edinburgh. This is not a US-only product with UK numbers as an afterthought — the UK is one of its six featured markets.

The pricing model is the part that needs care. Every plan carries a per-user price with bundled outgoing and incoming minutes and SMS, plus a $1 sign-up wallet credit. Calls beyond the bundle deduct from the wallet, and Calilio sells prepaid calling packs — UK packs range from $14 for 500 minutes to $450 for 20,000 minutes. The model can be cheaper than flat per-minute rates for predictable usage, but it requires the business to estimate call volumes and top up the wallet, which is more administrative than a simple per-minute bill.

What Calilio is not matters for a UK buyer. It is not a certified-security platform: the data security policy explicitly disclaims ISO 27001 and SOC 2. It is not a UK vendor: the company is a Singapore entity with primary data hosting in Singapore and no UK data residency option. And it is not a mature integration ecosystem: Pipedrive, HubSpot, Pabbly Connect and a Chrome extension are live, while Salesforce, Zendesk and Zoho CRM are listed as coming soon.

UK Business Stack classifies Calilio as the telephony layer of a small-business stack: it sits between the customer-facing channels where calls and messages arrive and the CRM where customer conversations are recorded, and it tries to hold enough of the middle that a small business sounds bigger than it is.

Stack position

How Calilio fits into a small-business stack

Calilio occupies the space that a desk phone, an answering service and a call logging spreadsheet usually fill together. Calls arrive on a UK or international virtual number; IVR and forwarding route them to the right person on mobile or desktop; recording, transcription and analytics capture what was said; and the CRM integration logs the outcome against the customer record.

The integration story is the product's weakest link. Pipedrive and HubSpot are live, Pabbly Connect covers 2,000+ apps through automation, and a Chrome extension provides click-to-call, but Salesforce, Zendesk and Zoho CRM are still coming soon. For a business running Salesforce or Zendesk, the integration gap is material.

The UK question is about data residency rather than capability. Calilio supports UK numbers and UK porting genuinely well, but primary data hosting is in Singapore with no UK or EEA data residency option — a material point for UK businesses with data protection obligations.

  1. ChannelsCustomer calls and SMS to a virtual number
  2. CalilioIVR, forwarding, queues, recording, voicemail
  3. DevicesMobile apps, Chrome softphone, web
  4. AI layerTranscription, summaries, sentiment, Voice Agent
  5. CRMPipedrive, HubSpot — Salesforce coming soon
Calls arrive on a UK or international virtual number, IVR and forwarding route them to the right person, and recording, transcription and the CRM integration capture the outcome.
CRM

Pipedrive and HubSpot are live, with Salesforce, Zendesk and Zoho CRM listed as coming soon — the integration gap that matters for businesses running those platforms.

Devices and softphone

iOS and Android apps plus a Chrome extension softphone mean the business number works on the devices the team already carries, with no desk phone required.

Automation

Pabbly Connect covers 2,000+ apps through automation workflows, which partially compensates for the thin native integration catalogue.

Telephony infrastructure

Subprocessors include Twilio and AWS, which provide the underlying call routing, number provisioning and recording infrastructure.

Core workflow

How Calilio works

The flow below reflects Calilio's documented product behaviour and published setup guidance. UK Business Stack has not run a live Calilio trial for this review, so treat these steps as documented behaviour rather than tested behaviour.

Step 1

Sign up and choose a plan

Create an account with the $1 sign-up wallet credit, choose Standard or Premium based on user count and bundled minutes, and decide whether to rely on the wallet or buy prepaid calling packs.

Step 2

Provision a UK number

Order a UK local, toll-free, mobile or vanity number — the first is free with any paid subscription — or port an existing UK number into Calilio using the supported porting process.

Step 3

Configure call routing

Set up IVR menus, call forwarding rules, call queues with simultaneous, sequential or round-robin ring strategies, and voicemail with transcription so calls reach the right person on the right device.

Step 4

Install the apps

Install the iOS or Android app or the Chrome extension softphone on each team member's devices, so the business number rings wherever they are.

Step 5

Enable recording and AI features

Turn on call recording with the notification message for consent, enable transcription and AI summaries, and configure the AI Voice Agent to answer up to five concurrent calls where appropriate.

Step 6

Connect the CRM

Integrate Pipedrive or HubSpot so calls and their outcomes log against customer records, or use Pabbly Connect for other systems while Salesforce, Zendesk and Zoho CRM remain coming soon.

Step 7

Manage usage and the wallet

Monitor call and SMS usage against the bundled allowance, top up the wallet or buy prepaid UK calling packs as needed, and review the call analytics dashboard for volume, duration and outcome trends.

Capabilities

Key features that actually matter

1

Virtual numbers and UK coverage

Virtual numbers in multiple countries including the UK, with local geographic, toll-free, mobile and vanity number types, the first UK number free on any paid subscription, and UK number porting supported.

Trade-off: The marketing claim of numbers from 100+ countries is not independently verifiable on the site, which lists dedicated pages for only six countries; confirm number availability for your specific needs before committing.

2

Call management and routing

Call forwarding, IVR and auto-attendant, call transfer and call queues with simultaneous, sequential and round-robin ring strategies, plus voicemail with transcription and voicemail-to-email.

Trade-off: IVR and routing configuration is self-service; complex multi-site or multi-department routing may need more planning than a simple small business setup.

3

Call recording and analytics

Call recording with playback, live call monitoring with listen, whisper and barge-in, and a call analytics dashboard covering volume, duration and outcomes.

Trade-off: Call recording raises consent obligations — UK GDPR and RIPA require disclosure to all parties — and Calilio's support documentation explicitly advises notifying the other party and offering an opt-out.

4

AI call features

AI transcription, summaries, sentiment analysis, reason-for-call detection and an AI Voice Agent that can answer up to five concurrent calls, with transcription minutes bundled by plan.

Trade-off: AI features are metered through bundled transcription minutes — 10 on Standard and 100 on Premium — so heavy transcription use requires the Premium plan or additional capacity.

5

SMS and team messaging

SMS and MMS, bulk SMS, scheduled and saved replies, and internal team messaging, with bundled SMS allowances of 100 on Standard and 500 on Premium.

Trade-off: Bundled SMS is modest on the entry plan, and businesses with heavy texting needs will need Premium or a separate messaging tool.

6

Devices and softphone

iOS and Android apps plus a Chrome extension softphone provide calling from any device, with a unified callbox and number sharing across the team.

Trade-off: The experience depends on internet quality; a softphone on a poor connection produces call quality that a desk phone on a dedicated line would not.

7

Integrations and CRM

Pipedrive and HubSpot are live, Pabbly Connect covers 2,000+ apps, and a Chrome extension provides click-to-call, with Salesforce, Zendesk and Zoho CRM listed as coming soon.

Trade-off: The native integration catalogue is thin, and businesses running Salesforce or Zendesk will find the most important integrations still unavailable.

Best use cases

When Calilio earns its place

Small businesses needing a UK number

Companies that want a professional UK virtual number with local, toll-free, mobile or vanity options, the first one free, without a physical office or desk phone.

Remote and hybrid teams

Teams that need the business number on mobile and desktop devices through apps and a softphone, so calls reach people wherever they work.

Businesses with international customers

Companies that want local numbers in multiple countries to make calling them feel local, with prepaid calling packs for predictable international costs.

Teams that record and analyse calls

Businesses that need call recording, transcription, summaries and sentiment analysis for quality, training and customer insight.

Pipedrive or HubSpot users

Companies running Pipedrive or HubSpot get live CRM integration, so calls and outcomes log against customer records without manual entry.

Budget-conscious startups

At $15 per user per month with bundled minutes and a free first UK number, Calilio is one of the more affordable ways to set up business calling.

Buyer fit

Who should consider Calilio?

Small businesses that need a UK virtual number

Companies that want a professional UK number with local, toll-free, mobile or vanity options and solid call management, at a low per-user price.

Remote and hybrid teams

Teams that need the business number on mobile and desktop devices, with apps and a softphone rather than desk phones.

Businesses that record and analyse calls

Companies that need call recording, transcription, summaries and sentiment analysis for quality and customer insight.

Pipedrive or HubSpot users

Businesses running Pipedrive or HubSpot get live CRM integration for call logging and outcomes.

Buyers comfortable with Singapore data hosting

Businesses that accept Singapore-based data hosting with UK data protection references in the privacy policy, and that do not require ISO 27001 or SOC 2 certification.

Buyer fit

Who should probably not choose Calilio?

Buyers who need UK or EU data residency

Primary data hosting is in Singapore with no UK or EEA data residency option, and the company is a Singapore entity with no UK presence.

Procurement that requires security certifications

No ISO 27001 or SOC 2 certification — the data security policy explicitly disclaims both, which is honest but disqualifying for security-conscious procurement.

Businesses that need a free trial

There is no free trial; evaluation relies on the 14-day money-back guarantee, which is limited to light usage and deducts the free number and wallet credit.

Salesforce or Zendesk users

Salesforce, Zendesk and Zoho CRM integrations are listed as coming soon, so businesses running those platforms cannot connect Calilio today.

Companies that need a mature integration ecosystem

The native integration catalogue is thin, with Pabbly Connect and a Chrome extension compensating for the limited direct connections.

Businesses that need proven scale

The company was founded around 2022 and claims 1,000+ businesses; the 100+ countries claim is not independently verifiable, which may concern buyers evaluating vendor maturity.

Alternative approach

Calilio vs doing it another way

Before subscribing to any cloud phone system it is worth naming the honest alternatives. All of them can provide business calling; they differ in where data sits, how mature the ecosystem is and what they cost.

Ordinary alternatives to Calilio, compared on what each route actually involves.
Alternative routeWhat it involves in practice
A UK-focused VoIP providerUK telephony providers offer UK numbers with UK data hosting, UK support and often deeper integration with UK business systems, at the cost of less international coverage.
A global unified communications platformRingCentral, Dialpad and Aircall provide mature calling, messaging and video with large integration ecosystems and named security certifications, at higher per-user cost.
A programmable telephony APITwilio and similar platforms let developers build custom calling experiences, which suits product teams but requires engineering resource a small business may not have.
A mobile-first virtual number appGrasshopper and similar apps provide a second number on a mobile phone cheaply, which suits sole traders but lacks the call management depth of a full phone system.
A traditional phone system or SIP trunkAn on-premise PBX or SIP trunk with desk phones suits businesses with a fixed office and telephony expertise, but lacks the flexibility and AI features of a cloud system.
Doing nothing this quarterDeferring is legitimate while the current phone setup works; switching providers mid-contract creates number porting and configuration work without solving a live problem.

Rollout

Implementation and adoption

  1. Verify UK number availability

    Confirm the specific UK number type and geographic area you need is available before subscribing, since number inventory loads dynamically and the site shows no numbers without an account.

  2. Estimate call volumes for the wallet model

    Calls beyond the bundled minutes deduct from the wallet; estimate your monthly outgoing and incoming minutes and model the top-up cost, or buy prepaid UK calling packs for predictable pricing.

  3. Handle call recording consent lawfully

    UK GDPR and RIPA require that call recording be disclosed to all parties; configure the notification message, tell customers they are being recorded, and offer an opt-out as Calilio's own support documentation advises.

  4. Check the integration status for your CRM

    Pipedrive and HubSpot are live, but Salesforce, Zendesk and Zoho CRM are coming soon; confirm the current status for your CRM before relying on the integration.

  5. Plan the AI feature usage

    Transcription minutes are bundled at 10 on Standard and 100 on Premium; estimate your transcription needs and choose the plan accordingly, since the AI Voice Agent and summaries depend on it.

  6. Test call quality on real connections

    Softphone call quality depends on internet connectivity; test the apps and Chrome extension on the networks your team actually uses before rolling out to everyone.

  7. Read the refund policy carefully

    The 14-day money-back guarantee is limited to under 30 call minutes and 20 SMS, with the $1 credit and free number deducted; understand the limits before relying on it as a trial.

  8. Read the commercial terms

    Month-to-month billing with a Singapore entity and US dollar pricing shapes the total cost; understand renewal, cancellation and what happens to your number if you leave.

UK context

UK small-business considerations

  • Who you are contracting with. Calilio is operated by CALILIO PTE. LTD., a Singapore company with UEN 202433643W, founded around 2022. There is no UK-registered entity, and support runs by chat, WhatsApp and email with no UK phone line.
  • Currency and tax. All pricing is in US dollars with no UK price list, so the sterling cost moves with the exchange rate and card charges; confirm the VAT treatment that applies to your purchase with Calilio and your accountant.
  • Where the data sits. Primary data hosting is in Singapore on AWS, with subprocessors including Twilio, AWS, Meta, Stripe and Crisp. There is no UK or EEA data residency option; the privacy policy references UK IDTA, SCCs and the EU-US Data Protection Framework for UK-EEA transfers.
  • UK numbers are genuinely supported. Calilio publishes a dedicated UK number page, offers the first UK number free with any paid subscription, supports local, toll-free, mobile and vanity UK numbers, and supports UK number porting — the UK is one of its six featured markets.
  • Security assurance is explicitly absent. The data security policy explicitly disclaims ISO 27001 and SOC 2 certification. Published controls include encryption and a DPA, but the absence of named certifications is a material point for security-conscious procurement.
  • Call recording consent. UK GDPR and RIPA require that call recording be disclosed to all parties. Calilio's support documentation advises notifying the other party and offering an opt-out, but compliance responsibility sits with the customer.
  • Support in UK hours. Support runs 24/7 by chat, WhatsApp and email, but there is no UK phone line or UK-based support team; test responsiveness during the money-back period rather than assuming UK-hours coverage.
  • Integration fit for a UK stack. Pipedrive and HubSpot are live, with Salesforce, Zendesk and Zoho CRM coming soon; confirm the current status for your CRM and plan the call logging workflow accordingly.

Buying guidance

Pricing and value considerations

Calilio is priced per user per month in US dollars: Standard at $15 (or $12 billed annually) and Premium at $35 (or $28 billed annually), with a $1 sign-up wallet credit, bundled outgoing and incoming minutes and SMS, and prepaid UK calling packs from $14 for 500 minutes to $450 for 20,000 minutes.

All prices are in US dollars, so the sterling cost moves with the exchange rate and card charges. The wallet-based model means calls beyond the bundle deduct from a prepaid balance, which can be cheaper than flat per-minute rates for predictable usage but requires estimating volumes and topping up.

1

What drives value

  • A low per-user entry price at $15 per month with bundled minutes and SMS, undercutting most global unified communications platforms
  • The first UK number free with any paid subscription, removing the number rental cost from the entry price
  • Prepaid UK calling packs from $14 for predictable international call costs without per-minute surprises
  • A complete cloud calling feature set — IVR, forwarding, recording, voicemail, SMS and AI — without PBX hardware
  • AI transcription, summaries and sentiment analysis bundled by plan, avoiding a separate transcription service
  • A 14-day money-back guarantee that partially compensates for the absence of a free trial
2

What drives cost

  • US dollar pricing with no UK price list, so exchange rates and card charges sit on top of the published price
  • The wallet-based model where calls beyond the bundle deduct from a prepaid balance, which can be harder to forecast than flat per-minute rates
  • Bundled minutes and SMS that are modest on the entry plan — 200 outgoing and 100 incoming minutes and 100 SMS on Standard
  • AI transcription minutes bundled at only 10 on Standard, pushing heavy transcription users to Premium at $35 per user
  • No free trial, so evaluation relies on the limited 14-day money-back guarantee
  • A thin native integration catalogue, with Salesforce, Zendesk and Zoho CRM still coming soon
3

Check before you buy

  • Current prices in US dollars, the currency you will actually be charged in, and the VAT treatment that applies to your purchase
  • Your expected call and SMS volumes against the bundled allowance, and the wallet top-up or prepaid pack cost at those volumes
  • Which plan carries each feature you need: user limits, bundled minutes, SMS, recording storage and AI transcription minutes differ between Standard and Premium
  • Whether your specific UK number type and geographic area is available, confirmed before subscribing
  • Where your data will be hosted and whether Singapore-based hosting satisfies your UK data protection obligations
  • The current integration status for your CRM — Pipedrive and HubSpot are live, while Salesforce, Zendesk and Zoho CRM are coming soon

Check current plans

See what Calilio offers today

Plans, allowances and features change. Confirm the current position directly with Calilio before you commit.

Check Calilio plans and pricing

Trade-offs

Important limitations of Calilio

  • Primary data hosting is in Singapore. There is no UK or EEA data residency option; the company is a Singapore entity with no UK presence, and UK-EEA transfers rely on UK IDTA, SCCs and the EU-US Data Protection Framework.
  • No ISO 27001 or SOC 2 certification. The data security policy explicitly disclaims both certifications — honest, but disqualifying for procurement that requires named security certifications.
  • No free trial. Evaluation relies on the 14-day money-back guarantee, which is limited to under 30 call minutes and 20 SMS with the free number and wallet credit deducted.
  • The wallet-based model needs management. Calls beyond the bundled minutes deduct from a prepaid balance, which requires estimating volumes and topping up — more administrative than a simple per-minute bill.
  • The integration catalogue is thin. Pipedrive, HubSpot, Pabbly Connect and a Chrome extension are live, while Salesforce, Zendesk and Zoho CRM are coming soon — a material gap for businesses running those platforms.
  • The 100+ countries claim is unverified. The marketing claim of numbers from 100+ countries is not independently verifiable on the site, which lists dedicated pages for only six countries.
  • Vendor maturity is limited. The company was founded around 2022 and claims 1,000+ businesses; the short track record may concern buyers evaluating vendor stability.

Decision framework

Deciding on Calilio

Consider Calilio if

  • You need an affordable UK virtual number with professional call handling — forwarding, IVR, voicemail, call recording and SMS
  • You are a remote or hybrid team that needs the business number on mobile and desktop devices
  • You run Pipedrive or HubSpot and want live CRM integration for call logging
  • You want AI call transcription, summaries and sentiment analysis bundled by plan
  • You accept Singapore-based data hosting and the absence of ISO 27001 and SOC 2 certification
  • You prefer prepaid calling packs for predictable international call costs

Look elsewhere if

  • You need UK or EU data residency — primary hosting is in Singapore with no UK option
  • Procurement requires ISO 27001 or SOC 2 certification — both are explicitly disclaimed
  • You need a free trial — there is only a limited 14-day money-back guarantee
  • You run Salesforce or Zendesk — those integrations are still coming soon
  • You need a mature integration ecosystem with deep CRM and helpdesk connections
  • You are evaluating vendor stability and need a longer track record than a 2022-founded company

Pros

  • UK virtual numbers with a dedicated UK page: local, toll-free, mobile and vanity numbers, with the first UK number free on any paid subscription and UK number porting supported
  • A complete cloud calling feature set: call forwarding, IVR and auto-attendant, call queues, call recording, voicemail with transcription, SMS and MMS, and a power dialer
  • AI call features including transcription, summaries, sentiment analysis and an AI Voice Agent that can answer up to five concurrent calls
  • A simple per-user price with bundled minutes and SMS, plus prepaid UK calling packs from $14 for businesses that prefer to pre-pay
  • Mobile and desktop access through iOS and Android apps and a Chrome extension softphone, so the business number works on the devices the team already carries
  • A 14-day money-back guarantee, which partially compensates for the absence of a free trial

Cons

  • Primary data hosting is in Singapore with no UK or EEA data residency option, and the company is a Singapore entity with no UK presence
  • No ISO 27001 or SOC 2 certification — the data security policy explicitly disclaims both, which is honest but disqualifying for security-conscious procurement
  • No free trial is offered; evaluation relies on the 14-day money-back guarantee, which is limited to light usage
  • The wallet-based pricing model means calls beyond the bundled minutes deduct from a prepaid balance, which can be harder to forecast than flat per-minute rates
  • The integration catalogue is thin: Pipedrive, HubSpot, Pabbly Connect and a Chrome extension are live, while Salesforce, Zendesk and Zoho CRM are coming soon
  • The marketing claim of numbers from 100+ countries is not independently verifiable on the site, which lists dedicated pages for only six countries

Final verdict

Where Calilio makes sense

Calilio makes a coherent argument to a specific buyer: a small business that needs an affordable UK virtual number with professional call handling — forwarding, IVR, voicemail, call recording and SMS — without PBX hardware, and is comfortable with Singapore-based data hosting and a wallet-based pricing model. The UK coverage is genuine and verified: a dedicated UK page, the first UK number free, local, toll-free, mobile and vanity numbers, and UK number porting.

The reservations are significant for a UK buyer. Primary data hosting is in Singapore with no UK or EEA data residency option, there is no ISO 27001 or SOC 2 certification — explicitly disclaimed in the vendor's own data security policy — there is no free trial, the integration catalogue is thin with Salesforce, Zendesk and Zoho CRM still coming soon, and the 100+ countries claim is not independently verifiable. The wallet-based pricing model also requires more management than flat per-minute rates.

Before committing, verify four things directly with Calilio: the current prices in US dollars and your expected wallet or prepaid pack cost at real call volumes; whether your specific UK number type and geographic area is available; where your data will be hosted and whether Singapore-based hosting satisfies your UK data protection obligations; and the current integration status for your CRM. If those check out, Calilio is an affordable way for a small UK business to set up professional calling without hardware.

Next step

See Calilio for yourself

Review Calilio plans, features and current pricing on the official website.

Visit Calilio

Sources and verification

Sources behind this Calilio review

Last checked:

Official sources used to verify

  • UK availability: dedicated UK number page, first UK number free with any paid subscription, local, toll-free, mobile and vanity UK numbers, UK number porting supported, sixteen UK city pages
  • Pricing structure: Standard $15 per user per month (or $12 billed annually) and Premium $35 (or $28 billed annually), $1 sign-up wallet credit, bundled minutes and SMS, prepaid UK calling packs from $14 for 500 minutes to $450 for 20,000 minutes
  • Product capabilities: virtual numbers, call forwarding, IVR and auto-attendant, call queues, call recording with live monitoring, voicemail with transcription, SMS and MMS, AI transcription, summaries, sentiment analysis and AI Voice Agent, power dialer, iOS and Android apps, Chrome extension softphone
  • Integrations: Pipedrive, HubSpot, Pabbly Connect and Chrome extension live; Salesforce, Zendesk, Zoho CRM and Kudos CRM listed as coming soon
  • Data residency: primary hosting in Singapore on AWS, subprocessors including Twilio, AWS, Meta, Stripe and Crisp; no UK or EEA data residency option; UK IDTA, SCCs and EU-US Data Protection Framework referenced
  • Security: no ISO 27001 or SOC 2 — explicitly disclaimed in the data security policy; DPA available; call recording consent guidance in support documentation
  • Company background: CALILIO PTE. LTD., Singapore, UEN 202433643W, founded around 2022, 1,000+ businesses claimed, 100+ countries claimed but only six countries with dedicated pages

External source links

Verification basis

Documentation-based review: built from the official sources listed above. UK Business Stack did not run a live Calilio trial or make a call through a Calilio number for this review, so behaviour described here is vendor-documented rather than independently tested. Confirm current prices, plan limits, UK number availability, data storage location and integration availability directly with Calilio.

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FAQ

Common questions

Is Calilio available in the UK?

Yes. Calilio publishes a dedicated UK number page, offers the first UK number free with any paid subscription, supports local, toll-free, mobile and vanity UK numbers, and supports UK number porting. The UK is one of its six featured markets, with pages for sixteen UK cities.

How much does Calilio cost?

Calilio is priced per user per month in US dollars: Standard at $15 (or $12 billed annually) and Premium at $35 (or $28 billed annually), with a $1 sign-up wallet credit, bundled minutes and SMS, and prepaid UK calling packs from $14 for 500 minutes. Confirm current pricing with Calilio.

Does Calilio have a free trial?

No free trial is offered. Evaluation relies on a 14-day money-back guarantee, which is limited to under 30 call minutes and 20 SMS, with the $1 wallet credit and free number deducted on refund.

Where is Calilio data stored?

Primary data hosting is in Singapore on AWS, with subprocessors including Twilio, AWS, Meta, Stripe and Crisp. There is no UK or EEA data residency option; the privacy policy references UK IDTA, SCCs and the EU-US Data Protection Framework for UK-EEA transfers.

Is Calilio secure?

Calilio does not hold ISO 27001 or SOC 2 certification — its data security policy explicitly disclaims both. Published controls include encryption and a DPA. The absence of named certifications is a material point for security-conscious procurement.

Does Calilio integrate with Salesforce?

Salesforce is listed as a coming-soon integration. Pipedrive and HubSpot are live, along with Pabbly Connect for 2,000+ apps and a Chrome extension. Confirm the current integration status for your CRM with Calilio.

What is Calilio used for?

Calilio is a cloud phone system for business calling. It provides virtual numbers in multiple countries including the UK, call forwarding, IVR and auto-attendant, call queues, call recording, voicemail with transcription, SMS and MMS, and AI features for transcription, summaries and sentiment analysis — all without PBX hardware.

Can I port my existing UK number to Calilio?

Yes. Calilio supports UK number porting, and publishes a support article explaining the process. Confirm the porting timeline and requirements with Calilio before cancelling any existing telephony contract.

How does Calilio support its customers?

Calilio provides 24/7 support by chat, WhatsApp and email. There is no UK phone line or UK-based support team, so test responsiveness during the money-back period rather than assuming UK-hours coverage.

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