Voice over Internet Protocol (VoIP) has become a cornerstone for business communications, offering flexibility, reduced costs, and a host of features that traditional telephony struggles to match. With a plethora of providers in the market, choosing the right one can be challenging. Here, our experts at PhonePrices.co.uk review the top 13 business VoIP providers, considering factors like reliability, cost-effectiveness, customer support, and feature sets to help UK businesses make an informed decision.
Best business VoIP providers
| Name | Starting Price (£ per user/month) | Best Suited For | Estimated Domestic Minutes | Estimated International Minutes | Free Trial Offered |
|---|---|---|---|---|---|
| RingCentral | £9.99 | Comprehensive and scalable solutions | Unlimited | 100-1000 (varies by plan) | Yes |
| 8×8 | £10 | Multinational businesses | Unlimited | Unlimited to over 40 countries | Yes |
| Vonage | £12 | SMEs needing CRM integration | Unlimited | 100-800 (varies by plan) | Yes |
| BT Cloud Voice | Custom | UK businesses needing secure VoIP services | Unlimited | 100-500 (varies by plan) | No |
| Ooma | £15.99 | Small businesses needing easy setup | Unlimited | Paid per minute | Yes |
| Nextiva | £17 | All-in-one communication platform | Unlimited | 100-1000 (varies by plan) | Yes |
| Mitel | Custom | Healthcare and education sectors | Unlimited | 100-700 (varies by plan) | No |
| Avaya | Custom | Large corporations using AI in communications | Unlimited | 100-800 (varies by plan) | No |
| Dialpad | £12 | Leveraging AI for communication | Unlimited | 100-1000 (varies by plan) | Yes |
| Gamma | Custom | UK businesses requiring strong business continuity | Unlimited | 100-500 (varies by plan) | No |
| Fusion Connect | Custom | High reliability and security needs | Unlimited | 100-500 (varies by plan) | No |
| TalkTalk Business | £10.50 | Cost-effective solutions for UK SMEs | Unlimited | 100-500 (varies by plan) | Yes |
| GoTo | £14.95 | Highly customisable solutions | Unlimited | 100-1000 (varies by plan) | Yes |
This table provides estimated values based on typical offerings. However, to ensure accuracy and the best fit for your business needs, it’s recommended to directly consult the business VoIP providers for the most current and detailed plan specifics, especially regarding minute allocations and international call rates.
1. RingCentral
RingCentral offers a robust and versatile VoIP solution for businesses of all sizes. Known for its reliability and extensive integration capabilities with apps like Salesforce and Google Workspace, it provides a comprehensive communication suite including video, messaging, and phone services.
| Metric | Details |
|---|---|
| Core Features | Voicemail, call forwarding, call screening, SMS, fax, video conferencing |
| Supported Integrations | Salesforce, Zendesk, Office 365, G Suite, Slack |
| Customer Service | 24/7 support via phone, chat, and email; dedicated account management |
| Platform Compatibility | Windows, macOS, Android, iOS |
| Additional Services | Cloud PBX, team messaging, automatic call recording |
| Security and Compliance | End-to-end encryption, GDPR compliance |
Key features
- Unified communications: voice, video, messaging
- Extensive integration with CRM and productivity tools
- Advanced call handling features like call forwarding and voicemail-to-text
Best suited for
- Businesses seeking a comprehensive and scalable communication solution
- Companies requiring robust integration capabilities with existing software
Pricing
- Offers multiple plans, starting from £9.99 per user per month for basic services, scaling up with more features and integrations
Customer reviews
- Reviews.io: 2.6 out of 5 (based on 10 ratings)
- Trustpilot: 4.5 out of 6 (based on 610 ratings)
- Yell.com: Unrated (no ratings)
More information
Visit the RingCentral website.
2. 8×8
8×8 excels in providing international calling capabilities without hefty charges, making it ideal for businesses with a global presence. Its service includes advanced features such as call analytics and voice recognition software, all within a cloud-based system that ensures ease of use and management.
| Metric | Details |
|---|---|
| Core Features | Auto attendant, call recording, extension dialing, conference bridge |
| Supported Integrations | Microsoft Teams, Salesforce, Zendesk, Google Workspace |
| Customer Service | 24/7 technical support, online knowledge base, training resources |
| Platform Compatibility | Windows, macOS, Linux, Android, iOS |
| Additional Services | Video conferencing, team chat, contact center solutions |
| Security and Compliance | Encryption, compliance with HIPAA, GDPR, FISMA |
Key features
- Unlimited international calling to over 40 countries
- Advanced call analytics
- Voice recognition capabilities
Best suited for
- Multinational businesses needing extensive international calling
- Companies focused on leveraging data analytics in communications
Pricing
- Plans start from £10 per user per month, with advanced features available at higher-tier plans
Customer reviews
- Reviews.io: 5 out of 5 (based on 1 rating)
- Trustpilot: 2.1 out of 5 (based on 406 ratings)
- Yell.com: Unrated (no ratings)
More information
Visit the 8×8 website.
3. Vonage
A pioneer in the VoIP industry, Vonage offers flexible and scalable communication solutions that cater to both small businesses and large enterprises. Its feature-rich platform includes capabilities for SMS, video conferencing, and even CRM integrations.
| Metric | Details |
|---|---|
| Core Features | Voicemail transcription, call announce, call queue, group calls |
| Supported Integrations | HubSpot, Salesforce, Microsoft Dynamics, Google Cloud |
| Customer Service | 24-hour support, online community, dedicated tech support |
| Platform Compatibility | Windows, macOS, Android, iOS |
| Additional Services | Virtual receptionist, visual voicemail, mobile apps |
| Security and Compliance | Two-factor authentication, GDPR and HIPAA compliance |
Key features
- Flexible and scalable solutions
- Integration with major CRM systems
- Supports SMS and video conferencing
Best suited for
- Small to medium-sized businesses looking for a flexible system
- Businesses needing integration with customer relationship management (CRM) software
Pricing
- Basic plans start from around £12 per user per month, with options for add-ons and advanced features
Customer reviews
- Reviews.io: 4 out of 5 (based on 1 rating)
- Trustpilot: 4.7 out of 5 (based on 2,793 ratings)
- Yell.com: Unrated (no ratings)
More information
Visit the Vonage website.
4. BT Cloud Voice
Specifically designed for UK businesses, BT Cloud Voice offers a secure and customisable VoIP solution. It integrates seamlessly with existing BT services, providing features like call forwarding, conferencing, and a mobile app for remote work.
| Metric | Details |
|---|---|
| Core Features | Hunt groups, call transfer, voicemail, flexible numbering |
| Supported Integrations | Compatible with BT broadband services, direct routing for Microsoft Teams |
| Customer Service | UK-based support available during business hours, online ticketing system |
| Platform Compatibility | Windows, iOS, Android |
| Additional Services | Broadband and internet packages, bespoke configurations |
| Security and Compliance | Secure connections, compliance with UK and EU regulations |
Key features
- Seamless integration with other BT services
- Secure communications enabled by default
- Mobile app for iOS and Android
Best suited for
- Existing BT customers and UK businesses
- Companies needing reliable and secure VoIP services
Pricing
- Custom pricing based on business needs and existing services
Customer reviews
- Reviews.io: 1.4 out of 5 (based on 692 ratings)
- Trustpilot: 1.4 out of 5 (based on 1,286 ratings)
More information
Visit the BT Cloud Voice website.
5. Ooma
Ooma provides a cost-effective solution for small to medium-sized businesses, focusing on simplicity and ease of use. Its basic plan includes features like virtual receptionist, mobile app functionality, and toll-free number support.
| Metric | Details |
|---|---|
| Core Features | Virtual receptionist, voicemail, call forwarding, on-hold music |
| Supported Integrations | Amazon Echo and other smart devices, Dropbox, Google Sheets |
| Customer Service | 24/7 customer support via phone and email, comprehensive online guides |
| Platform Compatibility | Windows, macOS, iOS, Android |
| Additional Services | Ooma Office for mobile, enhanced call blocking |
| Security and Compliance | Encrypted communications, compliant with standard regulations |
Key features
- Virtual receptionist
- Mobile app access
- Toll-free number support
Best suited for
- Small businesses looking for an easy-to-use and cost-effective solution
Pricing
- Offers a basic service plan starting from £15.99 per month per user, with additional features available for higher costs
Customer reviews
- Reviews.io: Unrated (no reviews)
- Trustpilot: 2 out of 5 (based on 1,536 ratings)
More information
Visit the Ooma website.
6. Nextiva
Nextiva is highly rated for its customer support and user-friendly interface. It offers more than just VoIP services, with tools for sales and customer service, making it a holistic business communication platform.
| Metric | Details |
|---|---|
| Core Features | Unlimited calling, call routing, automated attendants, call queuing |
| Supported Integrations | Salesforce, HubSpot, Zendesk, Microsoft Outlook |
| Customer Service | 24/7 live support, dedicated account management, onboarding assistance |
| Platform Compatibility | Windows, macOS, Android, iOS |
| Additional Services | Online faxing, Nextiva Analytics, business texting |
| Security and Compliance | Data encryption, HIPAA compliance, enterprise-grade security |
Key features
- Excellent customer service
- Comprehensive communication tools beyond VoIP
- User-friendly interface
Best suited for
- Businesses that prioritise customer support and service
- Companies looking for an all-in-one communication platform
Pricing
- Starts at £17 per user per month with a variety of plans increasing in features and support
Customer reviews
- Trustpilot: 4.6 out of 5 (based on 3,106 ratings)
More information
Visit the Nextiva website.
7. Mitel
Mitel offers tailored solutions for various business needs, focusing on industries like healthcare and education. Its VoIP products are known for their high reliability and integration with mobile devices.
| Metric | Details |
|---|---|
| Core Features | Call recording, conferencing, mobile twinning, voicemail management |
| Supported Integrations | Salesforce, Microsoft Dynamics, Oracle, SAP |
| Customer Service | 24/7 global support, dedicated project managers, technical support |
| Platform Compatibility | Windows, macOS, Linux, iOS, Android |
| Additional Services | Mitel MiCloud Flex, unified communications as a service |
| Security and Compliance | Secure real-time protocol, GDPR, MiFID II compliance |
Key features
- Tailored industry solutions
- Mobile-first design
- High reliability and uptime
Best suited for
- Industries like healthcare and education
- Businesses requiring a highly reliable communication system
Pricing
- Pricing varies based on specific industry solutions and user needs
Customer reviews
- Trustpilot: 3.7 out of 5 (based on 1 rating)
- Yell.com: Unrated (no ratings)
More information
Visit the Mitel website.
8. Avaya
Avaya provides high-end VoIP solutions that are particularly suited for large enterprises requiring a scalable and feature-rich telecommunications system. Its platform also supports AI-powered call routing and analytics.
| Metric | Details |
|---|---|
| Core Features | AI-enhanced communications, one-touch video calling, multi-level auto attendants |
| Supported Integrations | Salesforce, Microsoft Office 365, Slack, Teams |
| Customer Service | 24/7 support, global network of support technicians |
| Platform Compatibility | Avaya devices, Windows, macOS, iOS, Android |
| Additional Services | Avaya Spaces for collaboration, contact center solutions |
| Security and Compliance | End-to-end encryption, compliance with international standards |
Key features
- AI-powered call routing
- Scalable and robust solutions
- Extensive feature set for large enterprises
Best suited for
- Large corporations with complex communication needs
- Companies interested in using AI to improve customer interactions
Pricing
- Typically offers bespoke pricing based on the scale and requirements of the business
Customer reviews
- Trustpilot: 2.9 out of 5 (based on 5 ratings)
- Yell.com: Unrated (no ratings)
More information
Visit the Avaya website.
9. Dialpad
Dialpad is known for its AI capabilities, which help in transcribing calls and providing real-time customer insights. It’s a great choice for businesses looking to harness technology to enhance customer interaction.
| Metric | Details |
|---|---|
| Core Features | Voice Intelligence technology, call controls, AI call summaries |
| Supported Integrations | Google Workspace, Office 365, Salesforce, Okta |
| Customer Service | 24/7 support, comprehensive online resources, community forums |
| Platform Compatibility | Windows, macOS, Android, iOS |
| Additional Services | UberConference by Dialpad, real-time analytics |
| Security and Compliance | Data loss prevention, GDPR, SOC 2 Type II compliance |
Key features
- AI for real-time call transcription and insights
- Easy integration with other business tools
- Voice Intelligence technology
Best suited for
- Businesses focused on leveraging AI for enhanced communication
- Dynamic companies needing scalable solutions
Pricing
- Plans start at approximately £12 per user per month, with advanced features available for an additional cost
Customer reviews
- Trustpilot: 4.4 out of 5 (based on 1,978 reviews)
More information
Visit the Dialpad website.
10. Gamma
Gamma focuses on providing VoIP solutions to UK businesses with an emphasis on security and reliability. Its services include call handling, conferencing, and disaster recovery options.
| Metric | Details |
|---|---|
| Core Features | Call monitoring, call recording, desktop integration, voicemail to email |
| Supported Integrations | Broadsoft, Microsoft Teams, various CRM systems |
| Customer Service | UK-based support, dedicated account managers |
| Platform Compatibility | Windows, iOS, Android |
| Additional Services | SIP trunking, cloud PBX, business mobile solutions |
| Security and Compliance | ISO certifications, secure data centers, compliance with UK standards |
Key features
- Focus on security and business continuity
- Call handling and conferencing features
- Robust disaster recovery options
Best suited for
- UK businesses needing reliable and secure communication systems
- Companies requiring strong support for business continuity
Pricing
- Pricing information available upon request, typically tailored to business size and needs
Customer reviews
- Trustpilot: 1.3 out of 5 (based on 87 ratings)
- Yell.com: Unrated (no ratings)
More information
Visit the Gamma website.
11. Fusion Connect
Fusion Connect stands out for its reliability and excellent quality of service. It offers a broad range of features including voice security and prioritised technical support.
| Metric | Details |
|---|---|
| Core Features | Enterprise WiFi, automatic call distribution, SIP trunking |
| Supported Integrations | Microsoft Outlook, Salesforce |
| Customer Service | 24/7 US-based technical support, account management |
| Platform Compatibility | Windows, macOS |
| Additional Services | Managed security services, unified threat management |
| Security and Compliance | PCI compliance, redundant network infrastructure |
Key features
- Prioritised technical support
- Voice security as a standard
- Quality of service guarantees
Best suited for
- Businesses requiring a high level of reliability and support
- Companies concerned with voice security
Pricing
- Custom pricing depending on the services chosen and the level of support required
Customer reviews
- Trustpilot: 3 out of 5 (based on 3 ratings)
More information
Visit the Fusion Connect website.
12. TalkTalk Business
TalkTalk Business provides VoIP solutions tailored for UK companies, offering competitive pricing and dedicated business support. It also provides options for broadband and fibre connectivity.
| Metric | Details |
|---|---|
| Core Features | Caller display, voicemail, call divert, three-way calling |
| Supported Integrations | Compatible with TalkTalk broadband services |
| Customer Service | UK-based customer service, dedicated business support |
| Platform Compatibility | Windows, iOS, Android |
| Additional Services | Broadband options, business grade security products |
| Security and Compliance | Secure network operations, follows UK data protection laws |
Key features
- Competitive pricing for UK companies
- Dedicated business support
- Bundled options for broadband and VoIP
Best suited for
- UK small and medium enterprises looking for cost-effective solutions
- Businesses needing bundled internet and phone services
Pricing
- Starts at around £10.50 per user per month, with discounts available for bundled services
Customer reviews
- Reviews.io: 1.2 out of 5 (based on 1,409 ratings)
- Trustpilot: 4.8 out of 5 (based on 16,889 ratings)
More information
Visit the TalkTalk Business website.
13. GoTo
GoTo offers a unified communication solution that is both scalable and user-friendly. Its services include advanced VoIP features like auto attendants and custom greetings.
| Metric | Details |
|---|---|
| Core Features | Auto attendants, custom greetings, call analytics, virtual fax |
| Supported Integrations | Google, Microsoft, Salesforce, Zoho CRM |
| Customer Service | 24/7 support, dedicated customer success managers |
| Platform Compatibility | Windows, macOS, Android, iOS |
| Additional Services | GoToMeeting integration, LogMeIn collaboration tools |
| Security and Compliance | Robust encryption protocols, compliance with global standards |
Key features
- Unified communications platform
- Advanced features like auto attendants and custom greetings
- Scalable to any business size
Best suited for
- Businesses of all sizes looking for a scalable and comprehensive solution
- Companies that require a high degree of customisability in their communications system
Pricing
- Plans typically start from £14.95 per user per month, with costs varying based on features and scale
Customer reviews
- Trustpilot: 2 out of 5 (based on 10 ratings)
More information
Visit the GoTo website.
Choosing from the leading business VoIP providers
When comparing business VoIP providers, consider your business size, the geographical spread of your operations, the specific features you need, and your budget. A trial period can also be invaluable in assessing whether a provider’s service matches your expectations.
VoIP technology continues to evolve, offering ever more innovative ways to communicate. With the right business VoIP providers, businesses can significantly enhance their communication capabilities, leading to improved operational efficiency and customer satisfaction.
FAQ about business VoIP providers
A business VoIP (Voice over Internet Protocol) provider offers telephony services that use the internet to make and receive calls, rather than traditional telephone lines. These services often include additional communication features such as video calls, SMS, conferencing, and faxing.
VoIP converts voice into digital packets and transmits it over the internet. Businesses can use VoIP through various devices such as VoIP phones, computers, or smartphones. It integrates with existing software systems, providing features like call forwarding, automatic call recording, customer CRM integration, and advanced analytics.
The main benefits include cost savings, especially on long-distance and international calls, greater scalability, enhanced mobility (employees can connect from anywhere), and access to advanced telephony features. VoIP solutions are also typically easier to install and manage than traditional phone systems.
Potential drawbacks can include dependency on internet connectivity (no internet, no phone service), variable call quality depending on internet bandwidth, and potential security vulnerabilities if not properly managed.
Yes, most VoIP providers offer number portability, allowing you to retain your existing business phone numbers when you switch to their service.
Yes, most business VoIP providers offer extensive customer support, including 24/7 phone support, live chats, email, and comprehensive online resources such as guides and tutorials.
A stable and reliable high-speed internet connection is crucial for VoIP systems to function optimally. The required speed may vary depending on the number of concurrent calls and other internet usage within your business.
You can ensure good call quality by:
1. Using a high-quality router and configuring Quality of Service (QoS) settings to prioritize voice traffic.
2. Ensuring your internet connection speed and bandwidth support your VoIP call volume.
3. Regularly updating and maintaining your VoIP hardware and software.
Yes, VoIP services are highly scalable, making them suitable for businesses of all sizes, from startups to large enterprises. Business VoIP providers often offer a range of plans and features that can cater to various needs and budgets.