Best UCaaS Platforms in the UK
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Compare the Top UCaaS Platforms in the UK as of October 2026
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What are UCaaS Platforms in the UK?
Unified Communications as a Service (UCaaS) platforms deliver cloud-based communication and collaboration tools that enable organizations to connect employees, customers, and partners through a single integrated solution. These platforms combine voice calling, video conferencing, team messaging, SMS, file sharing, presence, voicemail, and collaboration capabilities while eliminating the need for on-premises communications infrastructure. UCaaS solutions often include enterprise telephony, mobile and desktop applications, call routing, meeting management, contact synchronization, and administrative controls to support hybrid and remote workforces. Many platforms integrate with CRM systems, contact center software, productivity suites, identity providers, and business applications to streamline communications and workflows. By consolidating business communications into a scalable cloud service, UCaaS platforms help organizations improve collaboration, increase productivity, reduce IT complexity, and lower communication costs. Compare and read user reviews of the best UCaaS platforms in the UK currently available using the table below. This list is updated regularly.
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1
Zoom
Zoom Communications
Zoom Meetings is an AI-powered video conferencing platform that enables individuals and organizations to host virtual meetings, collaborate remotely, and communicate across devices. The software provides HD video and audio conferencing, screen sharing, meeting recording, breakout rooms, and interactive collaboration tools. Its built-in AI capabilities generate meeting summaries, identify action items, answer questions about discussions, and organize meeting notes. Zoom Meetings also supports live captions, multilingual caption translation, background effects, and noise suppression to improve accessibility and communication quality. Integration with Zoom Team Chat, Whiteboard, Calendar, and third-party applications allows users to coordinate meetings and collaborate on shared content. The platform is available on desktop computers, mobile devices, and web browsers, with administrative controls and security features for business and enterprise use.Starting Price: $14.99 per user per month -
2
Microsoft Teams
Microsoft
Solving today's complex business problems takes teams of engaged people working together. We’ve built an online guide to teach you and your team the secrets of successful teamwork. When you have a place to create and make decisions as a team, there’s no limit to what you can achieve. Teams brings everything together in a shared workspace where you can chat, meet, share files, and work with business apps. Get your team on the same page with group chat, online meetings, calling, and web conferencing. Collaborate on files with built-in Microsoft 365 (formerly Office 365) apps like Word, Excel, PowerPoint, and SharePoint. Add in your favorite Microsoft apps and third-party services to keep the business moving forward. Get end-to-end security, administrative control, and compliance—all powered by Microsoft 365. Teams is designed for groups of all kinds. Get started with the free, no-commitments version. You can also get Teams as part of the best-in-class suite of productivity tools.Starting Price: $12.50 per user per month -
3
Zello
Zello
Push-to-Talk Mobile App. Talk in real-time to individuals and groups anywhere in the world. Hear messages in real time from all contacts and channels. Focused on one contact or group. Other messages go to History. Don’t want to be interrupted. Messages go to History. Messages go to History and can be replayed up to 7 days later. Zello stores recent and missed messages and alerts on your device. Use the History button, which is on every screen, to retrieve and replay anything, anytime. Send alerts to individuals or groups. Send alerts, with optional text messages attached. Recipients get a sonic or vibrating notification until they respond or clear the alert. Display your most recent messages and alerts from contacts and channels. Tapping on a recent brings up Talk screen.Starting Price: $6.80 per user per month -
4
Yeastar Linkus UC Softphone
Yeastar
Coordinated with on-premises and cloud PBX, Yeastar Linkus Unified Communications App provides you with easy access to enhanced call efficiency with enterprise-grade telephony features across all devices at your choice, and gives you remote working agility with softphone, instant messaging, presence, file sharing and CRM integration, etc. -
5
2600Hz
2600Hz
An unrivaled UCaaS solution designed to empower Service Provider success. Differentiate your brand and offering in the market with a completely customizable, white label solution. KAZOO is 2600Hz's turnkey UC platform, offering the flexibility you need to provide a superior communication experience. Give your customers a communication solution that will make them successful. 300+ APIs enable you to customize a solution to help your customers do business better. White label your solution to build and maintain your brand recognition in the market. Low upfront costs let you get started quicker and stay cost competitive. Reliability and geo-redundancy ensures your customers are always online. Mobile ready lets your customers get business done when and where they need to. KAZOO is a multi-tenant platform and gives you the ability to open your sales channels. Bring on resellers, go direct, or have an agent model.Starting Price: $3.50/month -
6
BCM One
BCM One
BCM One provides comprehensive, managed technology solutions to help businesses streamline their network to make communications, collaboration and connectivity simple and cost-effective. Business networks are complex by nature. Add in multiple locations and vendors, different ways of working, and evolving technology needs and the infrastructure can quickly get out of control. Without proper transparency, oversight, and expertise, companies end up relying on insufficient legacy systems, building out unsustainable networks, and overspending on services they don’t need. BCM One can help you right-fit your technology to meet your current network needs and scale as you grow. Your network may be complex, but it doesn’t have to be unmanageable. Let BCM One show you how. BCM One will optimize your network to meet all of your collaboration and communications needs now and as your business grows. -
7
Output Messenger
Srimax Software Technology
The fast, secure & private instant lan messenger is designed specifically for keeping remote employees and multiple offices synchronous. Take the advantage of Output Messenger to Give your team the freedom to chat, talk, share and interact together from anywhere, on any device. Especially this Ideal Messenger comes with API to integrate easily with other 3rd party Apps. Host in your own server & meet all your organisation's security needs. Your Privacy matters a lot to us. Industry-standard SSL and TLS protect your conversation from outside the network. Import user accounts from a global catalog and creates local users on server. Record Voice messages directly from the Output messenger chat window & send to your colleagues in a single click. Capture your desktop screen, edit and share instantly with your coworkers.Starting Price: $14.00/one-time/user -
8
VIPole
VIPole
Message editing and deleting, auto-delete messages, chat window clearing and complete history wiping. Disconnecting devices remotely, fake secret phrase, auto lock and auto logout on inactivity. Hidden and blacklist contacts, individual visibility settings for contacts, configurable contact authorization. Assign tasks to yourself and colleagues, track the progress. Store and organize passwords, securely share them with contacts. Foster collaboration by setting goals for the team and monitoring the solved issues.Starting Price: $5.99 per month
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