The ideal VoIP solution for your business should provide clear voice quality, plenty of features, and unbeatable scalability. Because of this, from small businesses to multinationals, VoIP has become the go-to communication choice for many organizations.
So which provider offers the best unlimited VoIP UK services? We’ve compared dozens of providers, such as 8×8, Vonage, and Phone.com, in terms of pricing, features, reliability, and customer service to help you make an informed decision. Read on to find out which one is right for your business needs.
The 7 Best UK VoIP Providers Ranked
What makes a great VoIP provider is a combination of features and price. Our research showed that 8×8 came out on top in terms of features, customer service, and overall value. Here’s a quick breakdown of the top 7 VoIP providers in the UK for 2023:
- 8×8 — The best overall for reliability, unlimited international calls to 14 countries — including the UK, and collaboration features, such as SMS, MMS, and team chat — all for just £10/user/month.
- Vonage — An incredibly popular UK VoIP service for solid uptime and security, plus you’ll have unlimited international calling and toll-free numbers for your business for a mere £9/user/month.
- Phone.com — Perfect for freelancers looking for a reliable and inexpensive solution to place unlimited calls in the UK and use real-time messaging features to keep in touch with clients and colleagues.
- Nextiva — Ideal for larger businesses looking for a cheap alternative to traditional landlines as it offers free calling to 50+ countries, advanced call-tracking, and loads more for just £19.32/user/month.
- DialPad — A solid option for businesses of all sizes looking for a tool that packs a punch with features at a reasonable price. This includes unlimited video meetings, call routing, and ring groups.
- MightyCall — The best solution if you’re looking for toll-free and international numbers to boost your business’ presence. Beyond this, it comes with nifty features like call routing and an IVR.
- Ooma — A popular VoIP for both business and residential needs, and it boasts useful features like call forwarding and a virtual receptionist. Plus, the home plan is free, and there’s a 60-day free trial.
Top 7 Best Unlimited VoIP Providers in the UK Reviewed
Let’s take a closer look at the 7 best unlimited VoIP UK providers for 2023.
1. 8×8 — Overall, the Best Virtual Landline UK Provider
8×8 is the perfect solution for both residential and small businesses in the UK — anyone looking for a feature-rich, affordable VoIP provider to place calls and keep in touch with family, friends, or colleagues.
| Cheapest Plan | Top 3 Features | Voicemail Transcription | Toll-free Numbers |
| £10/user/month | 1. SMS, MMS, and team chat
2. Unlimited voice calling to 14 countries 3. Integration with third-party apps |
Yes | Yes |
With its SMS, MMS, and team chat features, 8×8 provides an all-in-one communication solution that’s easy to use and manage. So, whether you’re working with colleagues or clients nationwide, this UK VoIP ensures reliable connection quality and secure conversations every time.
Beyond this, 8×8’s unlimited voice calling to 14 countries is an invaluable asset for businesses that frequently collaborate with people in other countries. With no extra charges or hidden fees, everyone can stay connected regardless of location.
This makes international collaboration a lot easier and much more cost effective than traditional phone services. Moreover, 8×8 boasts integration capabilities for popular third-party apps like Slack and Zoom. This allows businesses to incorporate VoIP into their existing workflow easily for a seamless experience when switching between different apps.
Pros
- Unlimited international calls
- Excellent mobile and desktop apps
- Seamless integrations
Cons
- Not the best after-sales support
Pricing
8×8 offers a comprehensive suite of features to help your business grow at an affordable rate of £10/user/month. This includes unlimited calls to 14 countries, including the United Kingdom.
Overall, 8×8 is an excellent choice for small businesses in the UK looking for a cost-effective VoIP provider with ample call management and collaboration features. Beyond this, it offers reliable connection quality and secure conversations. Take advantage of the 30-day risk-free trial now.
2. Vonage — An Incredibly Popular Option for Unlimited International Calling
Vonage is one of the top unlimited VoIP providers in the UK. Its services are designed to be an affordable replacement for traditional landlines and provide excellent value for money.
That said, Vonage is an excellent choice for those looking to reduce their phone bill. With its unlimited international calling capabilities, you can stay connected with your family and friends abroad without worrying about the cost of long-distance calls.
| Cheapest Plan | Top 3 Features | Voicemail Transcription | Toll-free Numbers |
| £9/user/month | 1. Unlimited International Calling
2. Robust Security 3. Toll-Free Numbers |
Yes | Yes |
The connection quality is also excellent, ensuring that conversations remain clear and uninterrupted. Beyond this, one of the concerns with VoIP services is security. Vonage ensures that you stay safe and secure with its robust encryption capabilities.
Your calls are also completely private, meaning your conversations will remain confidential and secure. This makes it an ideal choice for business owners who must keep their discussions safe from prying eyes.
On top of this, Vonage’s toll-free numbers make it easy for customers to reach you without paying long-distance charges. This is ideal to ensure that customers can easily contact you, regardless of location. Plus, the numbers are easy to remember, making it convenient for customers to contact you.
Pros
- Excellent security
- Comprehensive features
- Very reliable uptime
Cons
- No extensions
Pricing
Vonage offers two additional plans if you require more features after its most basic plan. The Pro plan incorporates everything in the Select plan and adds unlimited international calling and call recording.
As the most extensive option, the Ultimate package provides advanced call routing, API access, an integration suite, and extra features.
Overall, Vonage provides excellent quality, affordability, and security in its services. It’s definitely a worthy placement in our top 3 for the best unlimited VoIP providers in the UK.
3. Phone.com — Perfect for Freelancers Looking for an Inexpensive UK VoIP
Phone.com is one of the oldest and most reliable VoIP providers in the UK. It offers a robust system with excellent features, such as unlimited minutes and international calls, at competitive prices.
The user interface is easy to understand and use, making it an ideal choice for freelancers who don’t want to be bogged down by technicalities.
| Cheapest Plan | Top 3 Features | Voicemail Transcription | Toll-free Numbers |
| £9.67/user/month | 1. Unlimited International Calling
2. Robust Security 3. Toll-Free Numbers |
Yes | Yes |
Beyond this, it also allows for conversational text messaging in real-time with colleagues and clients alike. This is extremely useful for those who need to stay connected with their team from anywhere in the world; no more worrying about spotty connections or dropped calls.
Plus, you’ll also be covered when it comes to HIPAA-compliant video conferencing. This is ideal for those who need to conduct sensitive meetings or conversations, ensuring that private information stays private. With end-to-end encryption and server-side security protocols, you can rest assured knowing your data is safe and secure.
Furthermore, Phone.com is IP desk phone compatible, making it an excellent choice for businesses that require reliable hands-free communication. With the ability to make and receive calls directly from your desktop, you can free up more time to focus on other important tasks.
Pros
- Flexible pricing
- Free number porting
- Very affordable
Cons
- Fewer integrations
Pricing
The Plus Plan, which costs £12.90/user/month, is ideal for freelancers as it provides unlimited calls, video conferencing for up to 25 people, and custom greetings. Additionally, all plans are covered by a 30-day money-back guarantee, so you can switch your plan if needed:
- Basic users: £9.67/user/month
- Plus users: £12.90/user/month
- Pro users: £19.35/user/month
Overall, Phone.com is an excellent choice for UK freelancers looking for a reliable yet inexpensive VoIP provider. With features such as unlimited minutes and international calls, video conferencing, and IP desk phone compatibility – you’re sure to find exactly what you need.
4. Nextiva — Affordable Option for Larger Enterprises
Nextiva is undoubtedly one of the best unlimited VoIP providers in the UK, offering an affordable and reliable solution for larger enterprises. With features like free calling to over 50 countries, unlimited local and long-distance calls within the US, and advanced call-tracking capabilities as a softphone, it’s an ideal choice for businesses.
| Cheapest Plan | Top 3 Features | Voicemail Transcription | Toll-free Numbers |
| £19.32/user/month | 1. Auto Attendant
2. Voicemail Transcription 3. Call Forwarding |
Yes | Yes |
For scaling businesses, there’s nothing more valuable than an auto-attendant. With Nextiva, businesses can automatically manage incoming calls with a professional voice greeting and menu system. This allows customers to get the information they need quickly and efficiently while freeing time for employees to focus on core tasks.
Nextiva also offers advanced voicemail transcription capabilities that allow you to convert audio messages into text in seconds. This makes it easy to review important messages without having to listen through them, saving you precious time and energy. Plus, the transcription is highly accurate, so you can trust that you won’t miss any important details.
For businesses that need to stay connected on the go, you’ll also get advanced call-forwarding features. This allows you to forward incoming calls to any number or device to take business calls from wherever you are.
Pros
- Personally branded call attendant
- Professional call management
- Personal account manager
Cons
- Not the best small business VoIP
Pricing
Nextiva has published prices in US dollars, with no specific pricing page for the UK. The Essential plan includes unlimited calling and basic features such as call forwarding and caller ID.
- Essential: £19.32/user/month
- Professional: £22.55/user/month
- Enterprise: £30.62/user/month
Moving up to the Enterprise plan comes with extra extras like call recording and analytics. Overall, Nextiva is an excellent option for large businesses seeking a reliable and affordable VoIP solution. Its powerful call-tracking capabilities and free international calling options will make it an excellent choice for your business.
5. DialPad — Great for Businesses of All Sizes and Boasts Ample Features
DialPad is an AI-powered business landline system best known for its robust range of features. From managing call quality with customers to creating a seamless flow of communication within your team, everything can be managed through DialPad.
For internal team communication, DialPad also offers 5-hour long online video meetings complete with in-meeting chats and waiting rooms. If you prefer audio calls, you can also get on a three-way call directly through DialPad and record the entire conversation in case you want to refer back to some of the points made during the call.
| Cheapest Plan | Top 3 Features | Voicemail Transcription | Toll-free Numbers |
| £12/user/month | 1. AI-powered call and voicemail transcriptions 2. Unlimited video meetings 3. Web and chat support |
Yes | Yes |
For customers, DialPad offers countless advanced call management features such as call routing, call forwarding, and creating multiple ring groups. All these features together ensure that you can attend to every caller as soon as possible, connect them to the best-suited agent, and offer them a wonderful experience.
To help you really understand your customer satisfaction with the call, you’ll also be provided an automated post-call summary where you’ll have all the details of your caller, recordings (if any), and other call details. You can combine this data with real-time call analytics and transcriptions to see if your team is falling short somewhere.
While DialPad is truly a diverse business phone system, it surely cannot have all the features you’ll need to run your team. That’s why it offers seamless integration with other business apps such as Salesforce, Google Workspace, Microsoft Teams, or HubSpot. Integrate with as many tools as you like and run your entire business through one simple platform — DialPad.
Pros
- One of the few AI-powered VoIP services
- Excellent interface and dashboard
- Records voicemail with clear audio
Cons
- The international calling feature isn’t that good yet
Pricing
DialPad’s Standard plan is feature-packed with unlimited MMS, SMS, video meetings, and of course, calling too. Such a range isn’t available even in some VoIP providers’ most lavish plans.
That said, one of the unique pricing options by DialPad is its Enterprise plan, which is fully customizable for large-scale businesses with never-ending VoIP requirements. So, is DialPad for you? Find out risk-free now with the 14-day free trial.
6. MightyCall — The Best if You’re After Toll-Free and International Numbers for Your Business
MightyCall offers various advanced communication tools to help UK businesses stay connected. It offers unlimited VoIP services with various features such as virtual numbers and call forwarding and recording.
| Cheapest Plan | Top 3 Features | Voicemail Transcription | Toll-free Numbers |
| £12.10/user/month | 1. Toll-Free Numbers
2. Extra Phone Number 3. International Phone Number |
Yes | Yes |
That said, MightyCall helps UK businesses stand out from the competition with its toll-free numbers. These numbers are great for providing customers with a way to reach you without incurring long-distance charges. On top of that, it also allows businesses to create a local presence in other parts of the country, opening up new markets and opportunities.
Plus, MightyCall provides an extra phone number for companies that want to keep their personal and business calls separate. This is especially useful for entrepreneurs looking to stay organized while fielding multiple calls at once.
Finally, MightyCall’s international phone number feature allows businesses to establish a presence in other countries. This is great for companies looking to expand their reach and build new relationships internationally.
Pros
- After-hours call routing
- Branded IVR
- Softphone supported
Cons
- Device syncing issues
Pricing
MightyCall’s pricing is kept straightforward, with all prices in USD. We’ve done a conversion, so these prices are subject to change:
- Small Team: £12.10/user/month
- Business: £16.14/user/month
- Enterprise: £121.03/month
Overall, MightyCall provides an array of advanced communication tools beyond the basics, making it a worthy name on our list of the top unlimited VoIP providers in the UK.
7. Ooma — A Popular VoIP for Both Business and Residential Needs
Ooma’s landline system is available for both residential and commercial needs. While most VoIP systems today are only available through a mobile app, Ooma still believes in old-school phone systems and gives you the option to choose a landline.
If you choose the landline for residential purposes, you’ll get free shipping and a 60-day trial to check it out. The installation will be fairly simple as Ooma will walk you through the entire process through their beginner tutorials. As per the company, most users are able to set up and start using the phone within 15 minutes.
| Cheapest Plan | Top 3 Features | Voicemail Transcription | Toll-free Numbers |
| £16.12/user/month | 1. Caller info matches 2. Hot desking 3. White Glove Onboarding |
Yes | Yes |
That said, Ooma’s commercial phone systems have a lot more call management options. Features such as call forwarding, virtual receptionists, music-on-hold, and ring groups ensure that your callers have a wonderful experience.
For example, a virtual receptionist will attend to your callers when you’re away. It’ll note their reason for calling and redirect them to the right team member. This way, your caller will find the best person to handle their case right from the beginning and won’t have to wait too long in the queue.
Another call management feature that stands out is calling parking. With this feature, you can put the call on hold on one device and then take it up from a different device without disconnecting the connection. In a situation where a coworker desperately needs to use the phone you’re on, this feature will help you transfer the call seamlessly to another device. After all, it might not be the best idea to make your customer disconnect the call and wait for a ring back.
Pros
- Robust connection speeds
- A long 60-day free trial period
- Excellent voice transcription
- One of the best virtual landline UK solutions for home
Cons
- Can take time to get a hang of
Pricing
While Ooma Home starts free and then you pay for individual features, Ooma Office’s pricing looks like this:
- Standard: £16.12/user/month
- Enhanced: £22.58/user/month
- Call Center: £40.33/user/month
If you’re a small business with basic VoIP requirements, the Standard plan will serve both you and your pocket well. Need CRM integration, video meetings, and unlimited call queues too? Upgrade to either the Enhance or Call Center plan, depending on your preference for features.
Take Ooma for a trial without risking a single penny, thanks to its 30-day full refund policy. There’s also a 60-day trial period for Ooma Premier subscribers.
Comparison of the Best Virtual Landline UK Services
As for comparing the seven providers, the table below shows their differences. From their pricing and features, check out the table and decide which is best for you:
| Virtual Phone Number | Cheapest Plan | Top 3 Features | Voicemail Transcription | Toll-free Numbers |
| 8×8 | £10/user/month | 1. SMS, MMS, and team chat
2. Unlimited voice calling to 14 countries 3. Integration with third-party apps |
Yes | Yes |
| Vonage | £9/user/month | 1. Unlimited International Calling
2. Robust Security 3. Toll-Free Numbers |
Yes | Yes |
| Phone.com | £9.67/user/month | 1. Conversational text messaging
2. HIPPA-Compliant Video Conferencing 3. IP Desk Phone Compatible |
Yes | Yes |
| Nextiva | £19.32/user/month | 1. Auto Attendant
2. Voicemail Transcription 3. Call Forwarding |
Yes | Yes |
| DialPad | £12/user/month | 1. AI-powered call and voicemail transcriptions
2. Unlimited video meetings 3. Web and chat support |
Yes | Yes |
| MightyCall | £12.10/user/month | 1. Toll-Free Numbers
2. Extra Phone Number 3. International Phone Number |
Yes | Yes |
| Ooma | £16.12/user/month | 1. Caller info matches
2. Hot desking 3. White Glove Onboarding |
Yes | Yes |
What is Unlimited VoIP Calling?
That said, the popularity of these systems is drastically on the rise, and it’s important to note that by 2025, the UK aims to phase traditional landlines out.
5 Key Benefits of Getting One of the Best UK VoIP Services
Aside from convenience and reliability, here are the key benefits of using an unlimited VoIP calling plan:
1. Cost Savings
Unlimited VoIP plans provide a cost-effective solution for users making frequent calls. These plans offer significant savings over traditional landline or cellphone services by eliminating costly roaming charges and international fees. Plus, there are no additional taxes or surcharges associated with VoIP services.
2. Flexible Plans
Unlimited VoIP plans come in various packages to suit the needs of different customers. These plans can be tailored to include specific features such as call forwarding, voicemail, and caller ID. That said, you’ll find some are best suited as business VoIPs and others for residential, or in the instance of Ooma, both.
3. Mobility
With the best VoIP services, users can access their phone lines from anywhere in the world. This makes it easy to stay connected while traveling or working remotely. Plus, many VoIP providers offer mobile applications that allow customers to make and receive calls on their smartphones or tablets.
4. Unrivaled Quality
Unlimited VoIPs provide crystal-clear sound quality for all types of conversations, whether local or international. Many providers also offer additional features like noise cancellation and echo suppression for an even more pleasant experience.
5. Enhanced Features
Lastly, unlimited VoIP plans come with various features that make communication easier and more efficient. For example, customers can store unlimited contacts in their address books, quickly access voicemail messages, and transfer calls to other lines.
How We Chose the Best Unlimited VoIP UK Providers
With so many UK VoIP providers on the market, it was difficult to determine which were the best. We took into consideration these factors:
- Features — We looked for providers that offer a wide range of features, including HD voice quality, call forwarding and voicemail, auto attendants, conference calling, and virtual numbers, amongst others.
- Selection of Numbers — We considered the selection of numbers available from each provider — both local and international — as well as any additional services such as toll-free or vanity numbers.
- Budget — We considered the cost of plans to ensure that they’re competitively priced and provide excellent value for money.
- Uptime — Service reliability is an important factor in choosing a VoIP provider, so we looked for providers with high uptime guarantees.
- Ease of Use — We evaluated each provider’s interface to ensure that it’s easy to use and offers intuitive features.
Unlimited VoIP FAQs
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Conclusion | What’s the Best UK VoIP Provider for Unlimited Calling in 2023?
Whether you’re a freelancer, a small business owner, or a large corporation, VoIP is the best way to make unlimited calls in the UK. With a virtual landline service, you can enjoy low-cost calling and international calls without additional charges.
Our research showed that 8×8 is the best UK VoIP provider for unlimited calling in 2023. They offer competitive prices and a reliable VoIP service that can be tailored to your business needs.
Additionally, they provide top-notch customer support and plenty of features such as team chat capabilities, easy integrations, solid mobile apps, and more. Try it now risk-free for a full month with the free trial.
