Unified Communications as a Service (UCaaS) for UK Businesses
Enhancing Team Collaboration with UCaaS
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4th Platform delivers Unified Communications as a Service (UCaaS) for UK businesses — giving your teams a single, cloud-based platform for voice, video, instant messaging, and collaboration, accessible from any device, anywhere. With the UK PSTN network switching off in January 2027, now is the right time to move to a modern communications infrastructure that is built for how your business actually works. Our UCaaS solutions ensure a consistent, unified experience across all devices — fixed or mobile — improving productivity and reducing the cost and complexity of managing multiple communication tools.
Telephony Solutions
Modernise your business telephony with a hosted solution that replaces traditional on-premises phone systems. Manage inbound calls, monitor performance, and give your team the flexibility to work from anywhere — without compromising call quality or customer experience.
Mobile Solutions
Keep your mobile workforce connected with reliable business mobile data services. We provide access to the UK’s most robust mobile networks, ensuring your team has the connectivity they need wherever they’re working.
Video Conferencing
Bring remote and hybrid teams together with cloud-based video conferencing that works reliably across devices and locations. Reduce travel costs, improve collaboration, and run client meetings that feel as productive as being in the room.
Microsoft Teams for Business
Microsoft Teams, part of the Microsoft 365 suite, provides a single workspace for chat, voice and video calls, file sharing, and collaboration. We deploy, configure, and support Teams for business — ensuring your organisation gets the full value of the platform from day one.
Voice: Lines and Calls
Reduce your call costs by routing your business telephony through 4th Platform’s award-winning network — one of the UK’s largest and most reliable. Straightforward pricing, no hidden costs, and the resilience your business depends on.







