What Are the Best VoIP Companies in the UK?

Look for a VoIP provider with a simple setup process that doesn’t require an engineer or switchboard hardware. It should also offer reliable performance and low call costs.

Look for a provider that offers high-utility features to help manage call centers and improve customer satisfaction. Moreover, the best UK business VoIP providers should provide an easy way to scale up or down.


Gamma offers a range of business VoIP solutions including cloud, mobile and on-premise PBX systems. They are known for providing a resilient and reliable network and offer a free trial for their VoIP service. They also offer a number of features, including call recording, click to call and voicemail transcriptions.

Their pricing is fair with no line rental or hefty upfront setup costs. They also feature integration with CRM and connections to various cloud platforms like Office 365 and GSuite for better unified communications. They also include a plethora of essential features like virtual receptionist, trendy hold music and call routing.

DialPad is a highly reputable VoIP service provider in the UK. Its features include unlimited SMS, calls, and video meetings on its standard plan. Its AI-powered voicemail transcriptions are another plus. Its cheapest plan is PS9 per user, and its 30-day money back guarantee allows users to try their VoIP services risk-free. Its customer support is also excellent.


A US company with European headquarters in London, Nextiva offers a robust and unified communications system. Their VoIP service can be used by businesses of all sizes without hefty upfront costs or line rental. Their mobile and desktop apps allow users to have a more seamless work experience. In addition to cloud PBX and SIP trunking, they also offer call analytics, auto-attendant, and video conferencing.

In addition to the standard VoIP features like personalised voicemail greetings, call flow and hold music, Nextiva also offers valuable sales and service tools that help businesses enhance customer experiences and improve productivity. For example, their Call Pop feature displays essential caller details on a computer screen when the phone rings, ensuring that the call is handled by the right person the first time.

BT controls the majority of the UK’s business communication infrastructure and as such can offer cost effective call packages which include VoIP phones/handsets and connectivity bundled into one. This makes them an excellent choice for businesses of any size who want a full range of UC services.


For a small business looking for a VoIP solution, Mitel is a great option. They offer a wide range of features and excellent customer support. They also offer competitive call bundles, which can be billed monthly or annually. In addition, they offer a free trial and an online dashboard to manage your service. You can even add a new user without an engineer being called out.

Another VoIP provider worth checking out is BT. They offer a range of VoIP solutions, including SIP trunking and cloud voice. Their services are backed up by a UK team, so they are ideally suited to the needs of UK businesses. Moreover, their services are affordable and easy to install.

Aside from the usual PBX features, BT VoIP phone systems offer additional features such as a call management system and a secure call recording. Additionally, they allow you to make calls from any device, regardless of location. The only requirement is that you have an internet connection.


DialerHQ offers a comprehensive VoIP solution for small businesses. They have a wide range of features, including unlimited calling, mobile apps, and video conferencing. In addition, they have a number of security and productivity tools to help improve business operations. They also offer a free trial for new users.

When choosing a UK VoIP provider, it’s important to consider the features and customer service that are offered. Look for a service that provides excellent reliability and uptime and has a proven track record of success. You should also look for a flexible system that can be customised to fit your needs.

The cheapest UK VoIP providers include bOnline, which promises to give small businesses enterprise-level call features at an affordable price. They also provide a comprehensive list of call management and collaboration features such as auto-attendant, voicemail to email, call recording, and trendy hold music. They also have CRM integrations and connections to different cloud platforms for better unified communications.

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