Best UCaaS Platforms in the UK - Page 2

Find and compare the best UCaaS platforms in the UK in 2026

Use the comparison tool below to compare the top UCaaS platforms in the UK on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

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    Fusion Connect Reviews

    Fusion Connect

    Fusion Connect

    $19.95/month/user
    One call can connect your entire business. Fusion Connect is your Managed Services Provider, providing business internet solutions for your SDWAN, business VoIP (UCaaS), internet accessibility, secure networking, and other requirements. Fusion Connect's Business VoIP includes Internet-based faxing and softphones. Compatible with Windows and Mac as well as other devices.
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    Nextiva Reviews

    Nextiva

    Nextiva

    $19.95 per month
    Nextiva combines AI, automation, and omnichannel communication into a single platform that transforms customer experience. It empowers businesses to meet customers on their preferred channels—voice, SMS, email, chat, social, or video—while providing teams with a unified interface to manage interactions. The platform’s customer journey orchestration engine delivers real-time actionable insights, allowing companies to anticipate needs and automate key workflows. With AI-driven automation, organizations can increase self-service containment, reduce costs per interaction, and improve resolution rates. Nextiva is also designed to enhance workforce engagement with tools that prevent agent fatigue, streamline collaboration, and boost retention. Its open architecture and REST API foundation ensure scalability, security, and compliance, even in hybrid or regulated environments. Recognized by TrustRadius, G2, and Gartner, Nextiva has become a top choice for organizations seeking both innovation and reliability. By consolidating technology and reducing IT overhead, businesses maximize ROI while unlocking better customer outcomes.
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    ClarityTel Reviews

    ClarityTel

    ClarityTel

    $19.99 per month
    For affordable and user-friendly phone system options tailored to your business, ClarityTel is your go-to choice. Renowned for offering sophisticated cloud-based phone systems, ClarityTel enables organizations to fulfill their communication requirements at a significantly lower cost compared to conventional landlines. Experience the future of VoIP technology with ClarityTel, designed to accommodate your specific needs. Our VoIP solutions are tailored to suit businesses of all sizes, allowing you to save as much as 60 percent and enjoy transparent savings. We provide a comprehensive business VoIP package for one low month-to-month fee, free from hidden charges. This commercial-grade VoIP service offers advanced features such as voicemail delivered via email, conference calling, live answering, and automated attendants, making it an ideal choice for small, medium, large, and enterprise-level businesses. With ClarityTel, you gain not only cost savings but also a robust communication platform that enhances your business operations.
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    BCM One Reviews
    BCM One delivers a wide range of managed technology solutions that assist companies in simplifying their networks, making communication, collaboration, and connectivity both straightforward and budget-friendly. The inherent complexity of business networks can become even more challenging when there are multiple locations, various vendors, differing work methods, and changing technological requirements, leading to potential chaos in infrastructure management. In the absence of adequate transparency, oversight, and specialized knowledge, organizations often find themselves dependent on outdated systems, creating unsustainable networks, and incurring unnecessary expenses for services that do not align with their needs. BCM One is dedicated to tailoring your technology solutions to fit your current networking requirements while ensuring you have the capacity to scale as your business expands. While your network might be complicated, it can still be manageable with the right approach, and BCM One is here to guide you through the process. By optimizing your network, BCM One ensures that it effectively supports your collaboration and communication needs both now and as your company continues to develop. Ultimately, their expertise can transform your network challenges into streamlined solutions.
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    UniVoIP Reviews
    UniVoIP's innovative software and solutions drive productivity, efficiency, and performance while embracing and surpassing today's most challenging business communication trends. OfficeConnect™ is the principal product. It delivers 500+ PBX, Omnichannel Contact Center, and Unified Communication features via private or public networking options in a multiinstance infrastructure. UniVoIP also offers UniBridge which is a powerful, high-definition audio, video, and web conferencing solution, screen sharing sharing and meeting logs. It offers summaries, timestamps and summaries and no software download.
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    Output Messenger Reviews

    Output Messenger

    Srimax Software Technology

    $14.00/one-time/user
    The rapid, secure, and private instant LAN messenger is specifically crafted to keep remote teams and various office locations in sync. Leverage the benefits of Output Messenger to empower your team to communicate, collaborate, and engage seamlessly from any location and on any device. This exceptional messaging solution features an API for smooth integration with other third-party applications. You can host it on your own server to meet all your organization's security requirements, as we prioritize your privacy. Conversations are safeguarded by industry-standard SSL and TLS protocols, ensuring protection from external threats. Additionally, you can import user accounts from a global directory and create local user profiles on the server. Record voice messages directly from the Output Messenger chat window and send them to your colleagues with just one click. Furthermore, you can capture your desktop screen, make edits, and share the content instantly with your team members, enhancing overall collaboration. This comprehensive tool is essential for fostering effective communication and teamwork within your organization.
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    VIPole Reviews

    VIPole

    VIPole

    $5.99 per month
    The ability to edit and erase messages, as well as automatically delete them, clear chat windows, and completely wipe history is essential. Users can remotely disconnect devices, utilize a false secret phrase, and enable auto-lock and auto-logout features when inactive. There are options to hide contacts and create blacklists, along with tailored visibility settings for each contact and the ability to configure contact permissions. Tasks can be assigned to oneself and coworkers, with progress tracking to ensure accountability. Additionally, users can securely store and manage passwords, sharing them with contacts when necessary. Collaboration is enhanced by establishing team goals and overseeing the resolution of various issues, fostering a productive work environment. This comprehensive set of features significantly improves communication and organization within any team.
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    Zero Reviews

    Zero

    Zero

    $8 per user per month
    Zero consolidates all your enterprise communication needs—voice, video, and messaging—into a singular, mobile-friendly cloud platform tailored for today’s workforce. With Zero's comprehensive solution, you can effortlessly integrate all business communications. Features include multi-level auto attendants, ring groups, designated business hours, voicemail, and additional functionalities. Enjoy instant provisioning and the activation of phone numbers spanning over 50 countries. Reduce costs on mobile and internal calls within your organization by utilizing our complimentary VoIP applications. Organize conference calls accommodating as many as 40 participants and facilitate video meetings with up to 6 attendees. Enhance team interactions with secure messaging options for both individual and group chats. Other features include simultaneous ringing, call transfers, three-way calls, call holding, and recording capabilities. You can make and receive calls from your desktop, mobile device, or landline while maintaining your business phone number. Additionally, you can access your voicemail, enterprise messaging system, and conferencing services from virtually anywhere, ensuring seamless communication for your team. This all-in-one solution is designed to empower your workforce and streamline your communication processes effectively.
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    CallHarbor Reviews

    CallHarbor

    CallHarbor

    $18/month/user
    CallHarbor offers UCaaS systems for small and medium-sized businesses. Our platform gives you statistics about your employees, integrates to your existing applications, allows you to access full functionality even if you are not in the office. We do more than just make outgoing calls. CallHarbor works with companies in many industries and provides industry-leading systems to improve communication workflow. CallHarbor offers top mobile and web apps that allow you to work from anywhere. We have everything you need, from making calls on your desktop to checking your voicemail in an email, to calling your friends from your mobile device. CallHarbor doesn't limit the number of Queues or Auto-Attendants, Parking Lots or Users that your system can have. This allows you to grow small and start big. We are there for you every step of your journey. You don't need to worry about dropped calls because we have reliable geo-redundant servers. We offer 25+ world-class features as part of your original plan and one flat rate.
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    Avaya Cloud Office Reviews

    Avaya Cloud Office

    Avaya

    $19.99/user/month
    Avaya Cloud Office is a comprehensive cloud-based communication platform that integrates voice, video, messaging, meetings, and collaboration tools into one cohesive system. It effectively links office-based, remote, and mobile employees across various devices, enabling uninterrupted and uniform communication. With functionalities such as business phone numbers, voicemail transcription, team messaging, and document sharing, it significantly boosts productivity and teamwork. The platform also places a strong emphasis on security through encryption and connects with more than 100 business applications, like Salesforce, Office 365, and G Suite, which assists companies in optimizing their workflows and enhancing overall efficiency. This all-in-one solution is designed to adapt to the evolving needs of modern businesses.
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    ZIRO Reviews
    Are you frustrated with telecom and UCaaS providers that fail to listen, offer generic solutions, and leave you feeling overwhelmed? We simplify the complexities of UCaaS by breaking down the advantages and disadvantages, enabling you to select the perfect tools for calls, meetings, and messaging. Our dedicated team advocates for your needs behind the scenes, ensuring you receive precisely what you desire. Enjoy the empowerment that comes with streamlined management of your communication technology, even as you support thousands of users. We take care of the setup and are always available for assistance when required. You deserve to confidently choose, implement, and support your UC technology, and our fully managed unified communications services are designed to do just that! We collaborate with you to create your ideal collaboration solution, assist with cloud migration, and provide ongoing support. With our unified communications software, user provisioning becomes a breeze. You can easily integrate and manage UC tools and platforms such as Cisco and Microsoft Teams all from a single dashboard, allowing you to onboard or offboard users in just a few clicks without any hassle. Plus, our commitment to your satisfaction means that we are always looking for ways to enhance your experience and ensure your success.
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    FortiVoice Reviews
    FortiVoice and FortiFone provide a unified communication experience that encompasses calling, conferencing, chat, fax, and mobility solutions. Fortinet's enterprise-grade phone systems merge the comprehensive FortiVoice system with high-definition audio from FortiFone, ensuring organizations can adapt to the dynamic demands of communication stemming from advancements in infrastructure, remote or hybrid work environments, and bring-your-own-device policies. This cohesive platform unifies various communication tools, enabling teams to collaborate effectively and adapt to modern communication challenges without incurring additional resource or cost burdens. By integrating calling, conferencing, chat, fax, and mobile capabilities, FortiVoice enhances organizational connectivity and streamlines communication processes. Furthermore, FortiVoice's extensive suite of communication and security features is housed within a user-friendly platform, simplifying management across various devices, users, and locations. The solution is designed for easy deployment and customization, allowing businesses to tailor it to their specific workflows, thus maximizing operational efficiency. Additionally, built with cutting-edge security and encryption technologies, FortiVoice ensures the protection of business conversations and the safeguarding of sensitive information, reinforcing trust and security in corporate communications. Ultimately, this combination of functionality and security makes FortiVoice an essential tool for modern enterprises.
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    Broadvoice Reviews
    Broadvoice enhances communication for small and medium-sized enterprises (SMEs) by integrating robust cloud PBX, unified communications, and collaboration tools with a virtual call center into a single, award-winning Unified Communications as a Service (UCaaS) platform that offers enterprise-level functionalities at competitive prices. This platform operates on Broadvoice’s secure and redundant network and hosting infrastructure, allowing SMEs to connect securely with their customers from any location and through any device. Additionally, Broadvoice has earned recognition in the Deloitte Technology Fast 500 and has been listed among the Inc. 500 Fastest Growing Private Companies in the United States, underscoring its rapid growth and strong market presence. This combination of innovative technology and affordability positions Broadvoice as a leader in the communications industry for SMEs.
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    GlobalMeet Webcast Reviews
    GlobalMeet®, Webcast is the global standard in live webcasting and video streaming, both for Fortune™, 500 and enterprise companies. Cloud-based SaaS webcast solutions provide businesses with an easy to use, secure, and scalable environment to create high-profile, engaging webcasts that can be viewed by thousands of people worldwide.
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    NetFortris Comm-unity Reviews

    NetFortris Comm-unity

    NetFortris

    $19.99/month/user
    Unify Your Communications! All your communications are in one place! You can chat, text, fax and conference as well as call, chat, text, conference, collaborate, and more. NetFortris Community unifies all communication -- voice, video and messaging, collaboration, conferencing and meetings, as well as call center -- in one platform that is easy to use. We also put it in the Cloud so your team can collaborate on any device, from anywhere, whether they are at work, home, or on the move. NetFortris Community is built to meet your business communication needs today and tomorrow. Comm-unity is easy to scale as your business grows. It always works when you need and gives your team the most recent functionality. Having all communication channels in one place will streamline teamwork and increase productivity. Comm-unity is available to your team from any internet-enabled device. You can work at home or on the move. Comm-unity grows with your business, whether you add hundreds or one user.
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    KANDY Reviews
    In the race to attract enterprise clients, you face competition from emerging players utilizing cloud-based communication platforms with APIs to deliver services that promise to improve customer engagement experiences. Kandy's distinctive and leading white-label CPaaS provides far more than just programmable APIs; it features ready-made applications known as Kandy Wrappers, a marketplace and ecosystem for independent software vendors to develop vertical market solutions, as well as the capability to enhance existing SIP and UCaaS infrastructures through our Kandy Link WebRTC Gateway. The concept of Embedded Communications allows for seamless interactions, such as sales representatives making calls directly from a CRM system, healthcare professionals conducting video consultations with patients via their electronic health record systems while sharing X-rays and medical images in real time, and students checking tutor availability to start a session instantly. This all occurs with high-definition voice and video quality while integrating presence, messaging, chat, collaboration, and much more, ensuring a comprehensive communication experience for users. Ultimately, Kandy empowers enterprises to fully leverage technology in their communication strategies, fostering deeper connections and greater operational efficiency.
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    OfficeSuite UC Reviews
    In today's unpredictable environment, businesses must adapt swiftly to significant social and economic transformations. A major change is occurring in our daily operations and interactions. Consequently, executives are turning to innovative collaboration and virtual team tools to propel their companies forward, as the necessity arises from business demands and customer expectations. OfficeSuite UC stands out as a user-friendly, entirely cloud-based UCaaS solution that merges intuitive design with cutting-edge technology. It offers a comprehensive array of voice and collaboration features, customizable to fit the specific requirements of various organizations, and has the capability to scale to accommodate up to 20,000 users. The WE Connect portal enhances the digital experience by providing real-time insights, administrative oversight, and effective communication tools for end-users. Additionally, it allows users to securely host and participate in high-definition video, audio, and web conferences with up to 1,000 participants, accessible from any phone, computer, or mobile device, ensuring connectivity and collaboration remain seamless. This adaptability and functionality make it an essential tool for modern enterprises striving to thrive in a rapidly evolving landscape.
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    MiCloud Connect Reviews
    MiCloud Connect offers a user-friendly, comprehensive solution for cloud communications, collaboration, and contact center needs. It merges a straightforward user interface with the trusted dependability of Google Cloud, ensuring that every feature is both simple and secure. With Google Cloud's top-notch reliability, security, and scalability, users can count on consistent uptime along with SOC 2 and HIPAA compliance. The modern and intuitive design allows both end users and administrators to swiftly complete tasks through single-click options, a smooth cross-device experience, and real-time management capabilities. Transitioning to this service is made seamless with clearly defined expectations and timelines, allowing for a quick and assured switch. Administrators find it straightforward to enhance functionality and adjust permissions instantly through the admin portal. Its robust PBX capabilities, sophisticated call management, and versatile communication options—including softphone, mobile, and IP desk phones—empower users to communicate and collaborate effortlessly from anywhere. Ultimately, MiCloud Connect redefines how teams interact in a dynamic work environment.
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    8x8 Work Reviews
    8x8 Work delivers a comprehensive communications suite that unifies calling, messaging, meetings, and AI-powered productivity features into one platform. Teams can benefit from enterprise-grade PBX capabilities, advanced call handling, SMS, and global coverage powered by machine learning to maintain crystal-clear connections. The platform goes beyond simple calling by offering video conferencing with built-in collaboration tools like polls, whiteboards, and automated meeting transcripts. Messaging, team chat, and file sharing keep workflows moving asynchronously, ensuring alignment even across distributed workforces. Its AI-powered capabilities capture insights from calls, chats, and meetings, making information accessible without adding manual overhead. Additionally, the platform offers seamless integration with leading applications such as Microsoft Teams, Salesforce, and Zendesk to unify work across multiple tools. Security and compliance are central, with certifications including HIPAA, PCI DSS, SOC 2, and GDPR adherence. For organizations seeking a scalable, reliable, and secure solution, 8x8 empowers them to modernize communication while driving collaboration and customer engagement.
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    CIS (Consumer Information Solutions) Reviews

    CIS (Consumer Information Solutions)

    Consumer Information Solutions

    $20 per month
    Discover a cost-effective enterprise phone system tailored for small businesses. Our VoIP phone system caters to enterprises of any size, providing hosted PBX services from CIS that include Unlimited Calling throughout the Continental USA and Canada. Combine your Phone System with Voice Services for a singular, affordable package. Experience the benefits of having one vendor for a comprehensive telecom solution that not only saves you money but also enhances productivity. Through our conversations with numerous SMB owners, we've recognized a common misconception: many businesses assume that a call center requires a large setup with numerous agents handling customer inquiries. This perspective is outdated! In today's world, especially in light of Covid-19's impact, businesses should adopt call center solutions that accommodate the growing trend of remote work. Embracing this modern approach can significantly improve customer engagement and operational efficiency.
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    Smart Choice Communications Reviews

    Smart Choice Communications

    Smart Choice Communications

    Stop jumping from one bill to another and switching vendors. With services like UCAAS, contact centers, and our groundbreaking collaboration platform, we stand out as the smartest choice by being your sole point of contact. Our approach, described as "marked by special care or attention," ensures a premium experience, positioning us as your technology partner first and service provider second. Enjoy the freedom to take calls on any device, as calls made to your desk phone can also ring on the Smart Phone app simultaneously. If you prefer making calls from your laptop or computer, our desktop app can be easily downloaded in just a few steps. Communicate seamlessly from anywhere with a remarkable 99.999% uptime, ensuring you capture every detail of your conversations. Unite your teams through high-definition video and audio meetings, securely share screens and files, and live stream webinars to engage your audience effectively. Our video meetings not only facilitate collaboration but also empower teams to work together with confidence, enhancing overall productivity and communication.
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    Windstream Enterprise UCaaS Reviews
    For astute IT and business professionals, modern communication methods are fundamentally cloud-based. With the emergence of fully remote teams, it's essential for virtual workers to be seamlessly connected, allowing for collaboration with all necessary tools for their tasks. Unified Communications as a Service (UCaaS) embodies this concept by providing reliable, cloud-hosted solutions that can be implemented more swiftly and at a lower cost than traditional on-premises alternatives. Offered by Windstream Enterprise, UCaaS unifies various enterprise communication methods, encompassing audio, video conferencing, messaging, and collaborative web capabilities. By merging these distinct tools, UCaaS significantly improves organizational workflows, boosts operational efficiency, and enhances overall productivity. Furthermore, when paired with Contact Center as a Service (CCaaS), it creates a robust solution for customer service, making it an invaluable asset for businesses aiming to optimize their communication strategies. This integration ultimately leads to a more agile and responsive organization, better equipped to meet the challenges of the modern marketplace.
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    Microtalk Reviews

    Microtalk

    Microtalk Europe Limited

    $20/month
    Microtalk is a leading provider of cloud communication services that help businesses of all sizes simplify their voice and connectivity needs. Its Cloud Phone System supports office, home, and remote work setups, offering IVR, secure call recording, team call queues, and WebRTC integration for seamless online calling. For larger operations, Microtalk’s Contact Centre solutions deliver high-performance VoIP trunks, skills-based routing, toll-free numbers, and a cloud-hosted predictive dialer to boost customer service efficiency. Businesses can also leverage Microtalk’s business-grade fibre internet, which supports speeds up to 10Gb with SD-WAN and MPLS integration for resilience. SMS solutions add further flexibility, allowing companies to launch mass texting campaigns, manage opt-outs automatically, and monitor performance in real time. With over 10,000 customers in 15 countries since 2008, Microtalk has built a reputation for reliable, innovative, and affordable communication technology. Its solutions require no capital investment, offering predictable per-user costs for easy scalability. Backed by 24/7 support and an in-house R&D team, Microtalk ensures continuous improvement and tailored solutions for every client.
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    Switchvox Reviews

    Switchvox

    Sangoma

    $12.99 per month
    Switchvox is tailored for businesses similar to yours, offering enterprise-level features, a comprehensive pricing structure, and a design that has garnered awards, making it more than just another VoIP system for business phones. It provides a smart approach for your organization to leverage Unified Communications (UC) and collaboration tools at a reasonable cost. With functionalities such as chat, video conferencing, quick dialing, status updates, presence indicators, and customizable call rules, your team and clients can communicate more effectively. Switchvox stands out as a highly adaptable and scalable UC platform. It features smooth integration with IP phones, SIP trunks, and PSTN connections, as well as various collaboration and productivity capabilities, allowing you to choose from multiple deployment options. In educational environments, effective communication is crucial, and Switchvox delivers an accessible, user-friendly solution that goes beyond a standard phone system that merely handles calls. This platform ensures that schools can maintain seamless interactions and foster an engaging learning atmosphere.
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    Newbridge Reviews

    Newbridge

    Newbridge Business Solutions

    Newbridge provides a comprehensive UCaaS cloud contact center technology platform that encompasses Omnichannel communication, IVR, Social Media integration, Workforce Management, and office phone systems. Renowned for its cutting-edge innovation, adaptability, and cost-effectiveness, Newbridge collaborates with industry experts and partners to tailor, enhance, and maintain the personnel and processes using advanced SaaS technology. Additionally, for various technological necessities including infrastructure, IT assistance, managed service provider requirements, and cabling solutions, we depend on our reliable partners to guarantee smooth integration and execution of their offerings. This collaborative approach ensures that all aspects of the contact center function efficiently and effectively.
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