7 Best UK Virtual Phone Number Providers

A UK virtual phone number lets you establish a direct line for UK callers without maintaining a physical office or a fixed copper wire.

Many overseas businesses want to sell in Britain, but high roaming costs and complex setups often slow them down. Finding the right service means balancing budget, device flexibility, and call features.

This comparison guide evaluates 7 leading UK virtual phone number providers. You will learn what each platform delivers, how the fee structures work, and which option best matches your business needs.

7 Best UK Virtual Phone Number Providers at a Glance

The table below outlines our top choices for getting a UK virtual number, showing their primary strengths and basic pricing models.

The best service for your company depends on your technical scope. Some companies only want a basic virtual number that handles call forwarding to a mobile phone. Other teams need a complete cloud phone system with desk phones, call analytics, and live call monitoring. Match your team’s workflow to the right platform design before you buy.

7 Best UK Virtual Phone Number Providers

Here is an honest review of the top 7 virtual number providers serving the UK market today. We examine features, realistic limitations, and true costs.

1. Dialaxy – Best for Businesses Needing an International Virtual Number

Dialaxy helps companies outside the British Isles set up a virtual UK phone number without red tape or local hardware. As our own software platform, Dialaxy specializes in international calling and modern cloud contact management. You can acquire a UK virtual mobile number, standard geographic numbers, or UK toll-free numbers inside a unified dashboard.

Features:

The service routes inbound calls over mobile data or standard Wi-Fi directly to your web browser, laptop, or smartphone app. Setup takes just a few minutes after you submit your documentation. Dialaxy offers features such as auto-attendant, custom call routing, and built-in call recording to capture vital customer interactions.

Pricing Plans

Dialaxy operates on clear subscription tiers:

• Basic: $15 per month (includes 1 user).
• Plus: $30 per month (includes 1 user + 2 agents).
• Pro: $45 per month (includes 1 user + 4 agents).
• Enterprise: Custom quotes for 10+ users.

Additional users cost $10 monthly. While base subscriptions include standard US/Canada lines, a UK phone number requires a separate monthly charge and regulatory ID verification.

Advantages

• Manage multiple international lines and a UK business phone number from one screen.
• Solid cross-device support across iOS, Android, macOS, and web browsers.
• Includes call forwarding, voice calls, and call monitoring tools.
• Add extra team members quickly as call volume grows.

Limitations

• UK numbers are not activated instantly because UK regulations require manual document approval.
• CRM integrations are currently marked as upcoming features on the roadmap.

2. CloudTalk – Best for Sales and Customer Support Teams

CloudTalk delivers an advanced VoIP service tailored specifically for fast-paced sales teams and support staff. It provides local UK numbers across popular cities, non-geographic numbers, and UK mobile options.

Features:

The software shines when handling high-volume calling campaigns. Your agents get smart call routing, IVR trees, automated queues, and live call monitoring. CloudTalk also supports two way sms on compatible virtual mobile numbers, letting reps send sms follow-ups to prospects directly from the dialer.

Pricing Plans

UK virtual numbers start from $6 per month. Platform subscriptions are billed separately:

• Starter: €25 per user/month (annual billing) or €34 (monthly billing).
• Essential: €35 per user/month (annual billing).
• Expert: €60 per user/month (annual billing).

Advantages

• Strong CRM and helpdesk integrations with tools like HubSpot and Zendesk.
• Deep call analytics and agent activity tracking.
• Excellent voice call quality with global data centers.
• Provides UK mobile numbers that support two-way SMS.

Limitations

• Total costs add up quickly once you combine user seats, number rentals, and outbound minutes.
• Standard UK geographic numbers do not support traditional text messaging on the platform.

3. RingCentral – Best for All-in-One Business Communications

RingCentral is an industry titan offering enterprise-grade unified communications through its RingEX application. It replaces traditional desk phones with a complete digital workspace that unites voice calls, team chat, SMS messages, and video conferencing.

Features:

The platform supplies local UK numbers, national prefixes, and toll-free numbers for companies that want an established brand image. RingCentral includes multi-level auto attendant menus, call recording, and sophisticated call distribution rules.

Pricing Plans

RingCentral UK lists several tiers (billed annually, excluding VAT):

• Essentials: £12.99 per user/month (includes 100 outbound minutes).
• Standard: £19.99 per user/month.
• Premium: £24.99 per user/month.
• Ultimate: £29.99 per user/month.

Additional local lines cost £2 per month, while international toll-free numbers start from £9.99 per month plus a £16.99 setup fee.

Advantages

• Combines phone service, messaging, and video conferencing in one package.
• Extensive app marketplace featuring hundreds of CRM integrations.
• High uptime and exceptional audio call quality.

Limitations

• Entry-level plans limit outbound calling minutes.
• The wide array of settings feels complex for sole traders who just want a simple virtual phone.

4. Vonage – Best for Flexible Business Communications

Vonage Business Communications provides flexible communications for growing companies. It offers a solid business phone number setup that lets staff answer calls on laptops, mobile phones, or IP desk phones.

Features:

Vonage features call forwarding, simultaneous ringing, visual voicemail, and Microsoft Teams integration. If you select their higher tier, you can also obtain a business mobile number with eSIM capability. That means you do not need a secondary physical SIM card to separate business calls from personal life.

Pricing Plans

Vonage publishes three core tiers (monthly per user, excluding VAT):

• Talk UK: £10.25 (Unlimited calls to UK landlines, free mobile app, and 20 standard features).
• Talk World: £14.75 (unlimited calls to UK landlines and 60+ countries).

Advantages

• Clear entry pricing for small offices.
• Straightforward mobile and desktop interfaces.
• The Max plan adds a virtual mobile number without an extra plastic SIM card.

Limitations

• The entry-level Express tier uses metered outbound calling rates.
• SMS sent from the mobile eSIM feature does not sync across the main desktop app.

5. AVOXI – Best for International Calling Operations

AVOXI serves multinational contact centers that manage high inbound call volumes from other countries. The company offers virtual phone numbers across hundreds of global destinations, including extensive UK inventory. You can purchase local city codes, 03 national numbers, and UK toll-free numbers.

Features:

A key highlight is AVOXI’s TrueLocal two-way caller ID service. It allows remote agents to display a trusted local number when making outbound calls to UK callers. The platform also includes call recording, IVR menus, and live analytics.

Pricing Plans

AVOXI does not publish flat UK monthly subscriptions on its website. Virtual number packages start around $6.49 per month, but complete voice packages require a custom volume quote based on inbound minutes and seat counts.

Advantages

• Broad coverage across UK cities and international regions.
• TrueLocal caller ID boosts answer rates for outbound calling campaigns.
• Most UK virtual numbers require no local physical presence or in-country address.

Limitations

• Lack of transparent, self-serve UK checkout pricing.
• Geared toward mid-sized call centers rather than small firms seeking a single line.

6. bOnline – Best for UK Small Businesses

bOnline focuses directly on British micro-businesses, freelancers, and tradespeople. It replaces legacy landlines with modern voip numbers that run over standard mobile data or broadband connections.

Features:

The service gives you a business phone number, unlimited incoming calls, smartphone apps, interactive voice menus, and voicemail-to-email. Higher plans provide AI-driven call summaries and automatic call recording.

Pricing Plans

bOnline provides three transparent packages (per user/month, excluding VAT):

• Starter: £7 (includes 100 outbound landline minutes).
• Unlimited Calling: £13.95 (includes unlimited UK landline and mobile calls).
• AI for Business Calls: £19.95 (adds call summaries, sentiment scoring, and recording).

CRM integrations require an optional £8 monthly add-on fee.

Advantages

• Very affordable entry cost for local entrepreneurs.
• Setup takes just a few minutes through a guided web portal.
• Built-in smartphone apps let you answer calls anywhere.

Limitations

• The £7 Starter package excludes mobile call minutes.
• CRM features carry an extra monthly charge.

7. Voipfone – Best for Flexible, Pay-for-What-You-Need Features

Voipfone is an established British provider that gives users granular control over their phone system. Instead of forcing you into bulky bundles, Voipfone lets you buy individual numbers, extensions, and calling minutes.

Features:

You can select a geographic area code, a national 03 number, or 0800 freephone lines. You route inbound calls to software dialers, hardware VoIP phones, or mobile lines. Core tools include custom call forwarding, call queues, voicemail, and interactive voice response.

Pricing Plans

Voipfone offers modular monthly packages (prices exclude VAT):

• Voipfone 100: £5 (includes 100 UK landline/mobile minutes).
• Voipfone 500: £10 (includes 500 minutes).
• Voipfone 1000: £15 (includes 1,000 minutes).
• Voipfone Unlimited: £20 per user/month.

One standard UK local number is included business free with your account. Extra geographic numbers cost £3 per month, while 0800 toll-free numbers cost £5 per month plus 3p per minute for inbound calls.

Advantages

• Honest, modular pricing with zero cost for long-term contract lock-ins.
• Generous 30-day free trial on core business plans.
• Highly responsive UK support team.

Limitations

• The interface looks dated compared to modern SaaS apps.
• Outbound call center dialers cannot use the Unlimited calling plan.

What to Consider When Choosing a UK Virtual Phone Number Provider

Selecting the right partner requires assessing how virtual phone numbers work within your day-to-day operations. Here are the core factors to evaluate before purchasing a UK virtual phone line.

1. Available UK Phone Number Types

The UK uses distinct telephone prefixes regulated by Ofcom. Choosing the right category builds instant local presence and trust with UK customers.

Pick an area code where your target market resides. If you run a national helpline, an 0800 freephone or an 03 national line works best.

2. Pricing and Additional Charges

Avoid choosing a provider based on their advertised subscription. There are many sites that claim low entry fees but have hidden costs:

Number Rental: Monthly leasing costs for your UK virtual landline number.

Per-Minute Rates: Outbound calling rates to landlines/mobile numbers.

Platform Subscriptions: Monthly user license costs.

Set-up fees: Fees charged at the time of activation or onboarding.

Value Added Tax (VAT): Most UK suppliers will quote prices without the 20% VAT.

Always plan for total monthly costs according to anticipated outbound minutes and incoming calls.

3. Calling and Call Management Features.

Check out the call handling features your team uses on a regular basis. If you run a support team, you need custom call routing, ring groups, and automated queues.

Make sure the service has an auto attendant that will greet incoming callers professionally. Call recording is essential for accurate training and call tracking. Additionally, you should check to see if the provider offers live call monitoring so that managers can help new agents on live calls.

4. Mobile and Desktop Access

Few teams work on old legacy desks these days. Your team needs to be able to make calls and receive calls in any location.

Look for providers that supply stable apps for iOS, Android, Windows, and Mac. These softphone applications let you use any personal cell phone as a business phone without a physical SIM card. Employees can communicate with each other on company lines easily when connected remotely using Wi-Fi or mobile data.

5. Number Requirements and Verification

British rules for telecoms demand identity verification to ward off fraud. The vast majority of UK virtual phone number providers will require paperwork concerning the company’s registration and the identification of the authorized directors.

Some geographic numbers might need to show their address in that geographic zone. National numbers and UK toll lines, on the other hand, don’t typically require a physical presence in the UK. Prepare the company paperwork in advance to avoid delays in activation.

6. Integrations and Team Management

Manual dialing is a time waster if your reps are dealing with dozens of conversations every day. Search for a phone software solution that is integrated into the CRM system

Incoming calls are automatically logged into the system, and caller ID information is displayed before the agent answers the phone. See if you can add new extensions in a few clicks, modify call forwarding rules, and assign new VMNs.

Choose the Right UK Virtual Phone Number Provider for Your Business

A UK virtual phone number provides instant credibility, lowers calling expenses, and connects you directly with British buyers. When choosing a platform, evaluate overall subscription fees, available number categories, and call routing tools.