Maximise your uptime by utilising our fully redundant core, which operates over 3 UK data centres with multiple Tier 1 connectivity.
Outstanding support by dedicated engineers with many years of expertise and experience in keeping your systems running.
Building a channel with our partners, maximising margin with a product set that delivers solid results across voice and data.
Voiceflex is a channel-driven business. We deliver flexible and reliable communication solutions and give peace of mind that comes with working with a respected established service provider.
Our 3-layer model transforms how partners approach the market. Moving beyond commodity telephony margins, partners deliver strategic value across Infrastructure (connectivity, platforms, security), Platforms (UCaaS, CCaaS, Microsoft Teams, Zoom, Webex), and Intelligence (AI-powered voice analytics, conversational interfaces, automated workflows). This framework elevates partners from telco resellers to technology consultants commanding premium market positions.
The way we communicate has changed, the workplace as we know it has changed. The channel must deliver agile solutions and the implementation of technology-based solutions has enabled our partners to quickly adapt to growing challenges, remote working requirements and win and retain business. We continue to evaluate and invest in our R&D to enhance our portfolio to ensure our partners can meet and pursue new opportunities.
We deliver agile solutions and are flexible in our approach. We work closely with our partners to provide the best possible solutions.
Use our robust, resilient network with geo-redundancy and no points of failure to maximise uptime and ensure your customers stay connected.
A seamless, integrated portal for all our products provides you with easy ordering, quick deployment, and management of your customer's services and numbers.
Competitive products built on stable, scalable platforms give your customers the ability to scale up or down on demand.
Get increased levels of efficiency in the quoting and provisioning processes to help you retain and win business.
Dedicated account managers and first-line technical support to ensure seamless service transition.
Our partners are an essential part of the product delivery, as the technology we use to bring communications into the modern day.
Continued innovation and portfolio enhancements enable you to easily facilitate change and deliver unique applications that keep you ahead and offer differentiation.
Providers are not all the same. Our 'My IP Voice' application as well as our fraud prevention & call recording give our SIP Trunks real value and added revenue.
Want a partner you can rely on?
Outstanding support & a robust network to deliver calls and services when and how you want them.
Since our inception in 1998, our focus has always been the success of our partners. Our solutions are designed to help address the challenges of a distributed workforce and ever-changing voice and connectivity requirements.
Our people bring a wealth of knowledge and expertise of telecoms, IT, and cloud services, dedicated to supporting our growing partner community.
Our people are the backbone of our business. We work together and work with our partners to make things happen.
Chief Executive Officer
Chief Financial Officer
Chief Commercial Officer
Chief Technical Officer
Chief Operations Officer
Your dedicated Account Manager provides hands-on assistance and support to help you grow your business.
Our Support Team is there to provide support and assistance with any technical issue across our portfolio of products.
The Provisioning Team is there to assist and ensure your ports and provisioning go as smoothly as possible.
Our Accounts Team provides your invoices and CDRs on the first day of the month to ensure you get your bill runs done on time.
The Network Team is there to ensure that your traffic routes as smoothly as it can. They also keep your calls flowing.
The Development Team enhance and deliver the products and applications that keep you and your customers one step ahead.
27 years of Innovation | 20 years leading the Voice Revolution
Since 2005, Voiceflex has been the UK's leading channel-exclusive wholesale communications carrier, empowering over 1,000 partners with intelligent voice, collaboration, and AI-driven solutions. We're not just connecting calls, we're enabling the Voice Renaissance, where voice technology becomes the strategic front door to every business.
Incorporated as Frontier Systems on 14 April 1998, we began with a vision to deliver leading-edge IT services and consultancy. Our early focus on technology innovation and development expertise established the foundation for everything that followed; a commitment to building solutions uncompromised by legacy thinking.
In December 2005, we launched our commercial SIP trunk services with an entirely in-house developed platform. This marked our transformation into a voice-focused telecommunications provider, becoming one of the UK's longest and most established SIP trunk pioneers. We designed infrastructure without legacy constraints, creating one of the most flexible, secure, and resilient SIP networks in the market, purpose-built for our partners' success.
We became an Internet Service Provider in 2008, converging voice and data connectivity. By 2010, we launched FTTC fibre technology and our Nebula hosted telephony platform, establishing the integrated infrastructure that would define our channel-focused approach. Our fraud protection and PBX threat analysis capabilities became standard across every platform, delivering enterprise-grade security as a fundamental feature.
We officially became Voiceflex Limited in October 2015, cementing our identity as the UK's premier voice-focused carrier. Strategic partnerships with global technology leaders accelerated our evolution. In March 2022, we launched Voiceflex Flow, our award-winning UCaaS platform developed with Telavox, marking our definitive shift from traditional telco to cloud-first techco. Recognition followed: UC Vendor of the Year, Cloud Services Vendor of the Year, and multiple channel awards validated our partner-first approach.
We launched Voca CIC, a Microsoft Teams-native contact centre platform via AudioCodes partnership bringing enterprise CCaaS to the channel. AI capabilities transformed our portfolio: Conversational IVR, AI Meeting transcription, and intelligent analytics positioned voice as a strategic business asset rather than commodity infrastructure. Awards continued: Best Microsoft Teams Contact Centre, Innovation Partner of the Year, and consecutive Service Provider Sales & Account Management Team honours.
Voiceflex today is fundamentally different from traditional carriers. Our API-first approach, comprehensive technology stack spanning SIP, UCaaS, CCaaS, hosted services, and AI-enabled platforms positions us uniquely in the UK market. We're the only carrier that's 100% channel focused. Every solution, every innovation, every investment is designed to accelerate partner success. With 1,000+ partners, 100,000+ SIP trunks deployed, and multi-award-winning platforms, we've proven that voice, enhanced by intelligence, represents the future of business communication.
The industry dismissed voice as legacy. We recognised its potential. Voice isn't just another channel, it's the most natural, accessible, and powerful interface for business communication. Enhanced by AI and intelligence layers, voice creates entirely new categories of business value that collaboration tools alone cannot deliver.
Our 3-layer model transforms how partners approach the market. Moving beyond commodity telephony margins, partners deliver strategic value across Infrastructure (connectivity, platforms, security), Platforms (UCaaS, CCaaS, Microsoft Teams, Zoom, Webex), and Intelligence (AI-powered voice analytics, conversational interfaces, automated workflows). This framework elevates partners from telco resellers to technology consultants commanding premium market positions.
Business communication isn't about choosing between voice, video, messaging, or collaboration, it's about intelligent orchestration with voice as the strategic entry point. Voiceflex is investing in next-generation AI voice intelligence, conversational interfaces that understand context and intent, and deep platform integrations that position our partners at the forefront of transformation.
Current development includes advanced AI call analysis with sentiment detection, automated workflow triggers from voice interactions, WhatsApp Business Platform with PCI-compliant payment processing, and omnichannel orchestration that makes voice the command centre for all customer engagement. Every capability we develop creates new revenue streams and competitive differentiation for our channel partners.
Our vision: become the Voice Enablement Partner of the voice marketplace, where partners access comprehensive technology solutions through simple, powerful APIs, enabling them to build exactly what their customers need without infrastructure complexity. Where voice intelligence becomes as fundamental to business operations as email or CRM systems are today.
The journey from Frontier Systems to Voiceflex represents more than name changes and service additions. It's a fundamental transformation in how we think about communication technology, from delivering dial tone to enabling intelligent business experiences. As we continue evolving from telco to techco, one commitment remains absolute: the success of our channel partners comes first, always.
From specialist IT consultancy in 1998 to UK's premier voice-focused techco today; built on over 20 years of innovation, trusted by over 1,000 partners, focused relentlessly on enabling channel success in the era of intelligent communications.
Want to know more?
If you have a question or would like to know more about Voiceflex and our products, get in touch, we are here to help.
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