Top VoIP Providers in London

Researched by:Goodfirms Research TeamUpdated:October 29, 2026

Goodfirms has reviewed 38 VoIP Providers in London as of October 2026. The top-ranked firm is SoluLab (4.9 stars, 102 verified reviews, $25 - $49/hr, founded 2014, London). Across the category, the median hourly rate is $37, median client rating is 4.9, and 29% of firms employ 50+ members. Explore the vetted VoIP Providers in London companies below, compare their strengths, and connect with the provider best suited to your requirements.

Are you looking for VoIP providers in London? VoIP offers you the feature of sharing images, texts, videos while you are in a video conference, or on the phone to help resolve issues in the document on time. VoIP services in London hold a team of experts understanding your business needs quickly and providing reliable assistance. Professionals focus on integrating VoIP with ease in your business, allowing mobility in various communication methods. After conducting a thorough analysis, Goodfirms has made a list of the most versatile VoIP service providers in London. Refer to the list below for more details.

Goodfirms has verified 38 VoIP Providers in London - part of 1,889+ VoIP Providers, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.

Top 10 at Glance

Compare the highest-ranked firms first side by side.

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Company
Rating
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Hourly Rate
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List of Top VoIP service providers in London

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Service
Hourly Rate
Employees
ReviewsAll Companies
Industry
Client Type
  • Using AI Tools

    • ChatGPTChatGPT

    SoluLab is a premier AI-native, Blockchain, and Web3 development firm dedicated to engineering "AI-First" solutions that redefine industry standards. From Generative AI and AI agents to blockchain and tokenized platforms, we design and build technology that drives measurable business outcomes. With a team of 250+ ... read SoluLab reviews & insights

    SoluLab is a premier AI-native, Blockchain, and Web3 development firm dedicated to engineering "AI-First" solutions ... read SoluLab reviews & insights

    $25 - $49/hr
    250 - 999
    2014
    London, United Kingdom
    Great experience, operations and value in one place - Anonymous
    Visit Website

    Why SoluLab?

    • ISO-Certified Development Team
    • 10 plus Years of Digital Innovation
    • Custom AI Solutions for Every Business
  • TWC (TransWorldCom) provides world-leading IT and Communication solutions across a range of services including IT support, Cloud telephony, contact centre , business connectivity, cybersecurity, systems integration, unified communications & disaster recovery capabilities. TWC is trusted by over 3,000 clients, has an NPS score of 50, ... read TWC IT Solutions reviews & insights

    TWC (TransWorldCom) provides world-leading IT and Communication solutions across a range of services including IT ... read TWC IT Solutions reviews & insights

    NA
    10 - 49
    2011
    London, United Kingdom
    TWC IT Solutions efficiently managed all of our IT needs. - Managing Director
  • At Sereno we make people the focus of IT Support. Our people-centric approach ensures we always deliver impeccable customer service while also providing technology insight and consultancy to make your business a success. We’re motivated by how the right, proactive IT advice delivers mutually beneficial ... read Sereno IT Support reviews & insights

    At Sereno we make people the focus of IT Support. Our people-centric approach ensures we ... read Sereno IT Support reviews & insights

    NA
    10 - 49
    2022
    London, United Kingdom
    Sereno IT delivers fast, reliable IT support services with great communication, and it truly feels l - CMO
  • Metaswitch is a recognized leader in the development of ultra high performance, cloud native communications software. Our software solutions equip, accelerate and transform communications service and platform providers, worldwide.

    Metaswitch is a recognized leader in the development of ultra high performance, cloud native communications ... read Metaswitch Networks reviews & insights

    < $25/hr
    250 - 999
    1981
    London, United Kingdom
  • We are an experienced business VoIP service provider with a difference, allowing our subscribers to use their system anywhere in the world. We offer a reliable, low-cost service, that is trusted by thousands of users from over 60 countries, including the USA, Canada, and the UK.

    We are an experienced business VoIP service provider with a difference, allowing our subscribers to ... read VoIPstudio reviews & insights

    < $25/hr
    10 - 49
    2009
    London, United Kingdom
  • Easy4Cloud originated and grew from the merging of research and technology development with the strength of the cloud. Supported by professionals in fields ranging from engineering to marketing, technical assistance and customer care, we provide a complete answer for the demands of various business environments.

    Easy4Cloud originated and grew from the merging of research and technology development with the strength ... read Easy4Cloud reviews & insights

    < $25/hr
    2 - 9
    London, United Kingdom
  • AoneVoice, a sub-ordinate branch of principal company Angstle Technologies Pvt.Ltd. At the threshold of AoneVoice we deploy telephony Solutions, softwares, applications. AoneVoice officially got it’s wings as a Company in the year 2010. It’s been half a decade and the crew of AoneVoice has attained huge prosperity in developing and deploying ample number of VoIP ... read AoneVoice reviews & insights

    AoneVoice, a sub-ordinate branch of principal company Angstle Technologies Pvt.Ltd. At the threshold of AoneVoice ... read AoneVoice reviews & insights

    < $25/hr
    2 - 9
    2010
    London, United Kingdom
  • AERTEL is one of the leading providers of telecommunications services in the UK, enabling service providers and enterprises to deliver a range of voice data and communications solutions to end users. Our products have a global reach and are complemented by customer service that aims to empower organisations in the delivery of business-critical tools and ... read Xinix World reviews & insights

    AERTEL is one of the leading providers of telecommunications services in the UK, enabling service ... read Xinix World reviews & insights

    < $25/hr
    10 - 49
    2013
    London, United Kingdom
  • PC Docs are an industry leading IT Support company with one goal – to provide reliable, cost-effective professional IT Support Services to businesses of all sizes. IT infrastructure should support your business and be scalable enough to grow along with you while providing a reliable and robust foundation. For every second a business wastes trying ... read PC Docs IT Support London reviews & insights

    PC Docs are an industry leading IT Support company with one goal – to provide ... read PC Docs IT Support London reviews & insights

    < $25/hr
    10 - 49
    2003
    London, United Kingdom
  • Emerald Cloud Phone System, offers both high quality traditional telephone lines and cloud phone system packages. At Emerald, our products have been built with two priorities; offering solutions to operational requirements and improving service levels to our customers’ customers.

    Emerald Cloud Phone System, offers both high quality traditional telephone lines and cloud phone system ... read Emerald Telecom reviews & insights

    < $25/hr
    2 - 9
    London, United Kingdom
  • VoIP Business is an MSP in cloud communications and provides cloud based phone systems in the UK.

    VoIP Business is an MSP in cloud communications and provides cloud based phone systems in ... read VoIP Business reviews & insights

    < $25/hr
    2 - 9
    London, United Kingdom
  • Telappliant have been strengthening business communications for UK SMEs for almost 20 years. With a product portfolio that covers a range of managed services (including telephony, business internet, IT services, cybersecurity and cloud infrastructure) we can provide all the features our customers need to work as efficiently as they want to.

    Telappliant have been strengthening business communications for UK SMEs for almost 20 years. With a ... read Telappliant reviews & insights

    < $25/hr
    2 - 9
    London, United Kingdom
  • DID Global provides high-quality and efficient premium IP telephony services for business and personal communications that allow you to scale quickly, save advertising budgets and increase sales. Advantages of working with us: 1) Savings. You can save your budget in two ways: We provide advantageous rates for our clients. The banal phrase "price = quality" ... read DID Global reviews & insights

    DID Global provides high-quality and efficient premium IP telephony services for business and personal communications ... read DID Global reviews & insights

    $25 - $49/hr
    10 - 49
    2021
    London, United Kingdom
  • Microtalk: Your Global Voice & Messaging Partner. Since 2004, Microtalk has been empowering our customers and partners with a Unified Communications portfolio comprising: UCaaS & CPaaS A2P/ P2P SMS Cloud Phone PBX Voice Termination Virtual DID Numbers (mobile, premium & geographic). UK 5G Mobile MVNO Contact Centre Solutions Bespoke mobile Apps We are headquartered in ... read Microtalk Europe Limited reviews & insights

    Microtalk: Your Global Voice & Messaging Partner. Since 2004, Microtalk has been empowering our customers ... read Microtalk Europe Limited reviews & insights

    $50 - $99/hr
    10 - 49
    2008
    London, United Kingdom
  • Using AI Tools

    • ChatGPTChatGPT
    • GeminiGemini

    Wavetel Business provides scalable, secure, and cost-effective cloud-based phone systems and VoIP solutions across the UK. Designed for businesses of all sizes, its services help improve communication, streamline call management, and support flexible working environments with reliable and modern business telephony solutions.

    Wavetel Business provides scalable, secure, and cost-effective cloud-based phone systems and VoIP solutions across the ... read wavetell busniess reviews & insights

    $25 - $49/hr
    250 - 999
    2010
    London, United Kingdom

    Why wavetell busniess?

    • Choose Wavetel for reliable and flexible business
    • We provide Hosted VoIP, VoIP Phone Systems, SIP Tr
    • Our services are designed to help businesses
  • We are a leading provider of wholesale routes for call termination, offering high-quality services in over 30 directly connected destinations worldwide. With a strong network and cutting-edge technology, we ensure reliable and efficient call termination solutions for your business needs. At Rush Telecom PLC, we prioritize customer satisfaction and strive to deliver the best-in-class services ... read Rush Telecom PLC reviews & insights

    We are a leading provider of wholesale routes for call termination, offering high-quality services in ... read Rush Telecom PLC reviews & insights

    NA
    10 - 49
    2008
    London, United Kingdom
  • At BTBIZ Group, we make global business communications simple, secure, and scalable. With VoIP Service Provider licenses in the US, UK, and India, and a worldwide network spanning over 100 nations, we’re trusted by enterprises and service providers who rely on us for mission-critical connectivity. Our Expertise: Licensed Everywhere That Matters: Fully compliant, licensed in ... read BTBIZ LTD reviews & insights

    At BTBIZ Group, we make global business communications simple, secure, and scalable. With VoIP Service ... read BTBIZ LTD reviews & insights

    $50 - $99/hr
    10 - 49
    2023
    London, United Kingdom
  • Telephone systems London – Mint Network was founded in 2007, with the strategy to help small and medium sized businesses boost their bottom line, through the efficient and effective deployment of telecommunications technology. We are focused on servicing customers in the small to medium size sector and to provide them with bespoke solutions, which are ... read Mint Network reviews & insights

    Telephone systems London – Mint Network was founded in 2007, with the strategy to help ... read Mint Network reviews & insights

    < $25/hr
    2 - 9
    2007
    London, United Kingdom
  • Lascom Solutions best mobile phone deals for business in London and the UK. Lascom Solutions London has over 14 years of experience supplying mobile phones for business. Boost your business with 6 telecoms solutions, VoIP telephone systems, broadband, lease line, text message marketing and business telephone numbers

    Lascom Solutions best mobile phone deals for business in London and the UK. Lascom Solutions ... read Lascom Solutions Ltd reviews & insights

    $50 - $99/hr
    2 - 9
    2008
    London, United Kingdom
  • We’re making communications more flexible, intelligent, and personal, to help enterprises the world over stay ahead. We provide unified communications, contact centers and programmable communications APIs, built on the world's most flexible cloud communications platform.

    We’re making communications more flexible, intelligent, and personal, to help enterprises the world over stay ... read Vonage reviews & insights

    < $25/hr
    2 - 9
    London, United Kingdom
  • VoIPinger, based in the United Kingdom, is a multinational telecommunications service provider that provides SME and corporate businesses with high-quality, low-cost telecom solutions. VoIP services, network services, data services, system services, and mobile solutions are among our specialties. We design a product range that is reliable, cost-effective, scalable and customised to your unique needs using ... read VoIPinger reviews & insights

    VoIPinger, based in the United Kingdom, is a multinational telecommunications service provider that provides SME ... read VoIPinger reviews & insights

    $25 - $49/hr
    10 - 49
    London, United Kingdom
  • We provide trusted IT management and support, which we tailor to your business and develop to be adaptable enough to withstand the rapidly evolving modern workplace. We've been putting you at the forefront of everything that we do since 2006. The solutions and support that we offer is practical, flexible and based on the newest ... read Streym Ltd reviews & insights

    We provide trusted IT management and support, which we tailor to your business and develop ... read Streym Ltd reviews & insights

    NA
    10 - 49
    2006
    London, United Kingdom
  • Founded in 2000, 1st-IT is a London-based IT managed services provider helping SMBs and charities get the most from their technology. Over 25 years, we've built a reputation for reliable, jargon-free IT support across the City, West End, and Greater London. Our team handles everything from day-to-day IT support and cloud migrations to cybersecurity audits ... read 1st-it LTD reviews & insights

    Founded in 2000, 1st-IT is a London-based IT managed services provider helping SMBs and charities ... read 1st-it LTD reviews & insights

    $25 - $49/hr
    10 - 49
    2000
    London, United Kingdom

    Why 1st-it LTD?

    • 25 years serving London businesses
    • Cyber Essentials certified provider
    • Fast response, no jargon IT support
  • Cloudscape are IT experts based in Central London, providing IT support services to companies in the city and the Greater London area. We specialise in business IT support services of all kinds and work predominantly with SMEs. However, we also have a loyal customer base with larger international companies thanks to our fully serviced managed ... read Cloudscape IT Support London reviews & insights

    Cloudscape are IT experts based in Central London, providing IT support services to companies in ... read Cloudscape IT Support London reviews & insights

    < $25/hr
    50 - 249
    1985
    London, United Kingdom
  • Infinity Group are one of the leading providers of IT Support in London. From our central base in the Shard quarters, we have been the chosen provider of Business IT Support services for 1000’s of businesses since 2001. We service a wide range of clients across many industries. Our London IT Support clients vary in ... read Infinity Group reviews & insights

    Infinity Group are one of the leading providers of IT Support in London. From our ... read Infinity Group reviews & insights

    < $25/hr
    50 - 249
    2002
    London, United Kingdom
  • At Cloudscape IT Services we offer complete IT services and computer support for businesses in the London area. With over 30 years’ experience, we aim to provide first-class computer support, we help businesses with day-to-day IT Support, Project Management and Cloud Services. From new server installations to individual desktops and laptops we have the expert ... read Cloudscape reviews & insights

    At Cloudscape IT Services we offer complete IT services and computer support for businesses in ... read Cloudscape reviews & insights

    < $25/hr
    50 - 249
    1985
    London, United Kingdom
  • 24/7 Award-winning IT support and cybersecurity support Trusted by over 250 clients globally, CloudTech24 supports businesses with cybersecurity and IT support services. We leverage real-time monitoring to proactively secure your devices, cloud platforms and end-users.

    24/7 Award-winning IT support and cybersecurity support Trusted by over 250 clients globally, CloudTech24 supports ... read CloudTech24 reviews & insights

    $100 - $149/hr
    10 - 49
    2016
    London, United Kingdom
  • At IT AND GENERAL, we stand as a trailblazing technological force, dedicated to shaping exceptional digital solutions. With a legacy of over two decades, we have honed our expertise in providing avant-garde IT services, spanning consulting, development, and support. Our unwavering commitment to innovation has propelled us to serve a diverse clientele across industries, including ... read IT AND GENERAL reviews & insights

    At IT AND GENERAL, we stand as a trailblazing technological force, dedicated to shaping exceptional ... read IT AND GENERAL reviews & insights

    $100 - $149/hr
    2 - 9
    2014
    London, United Kingdom
  • HTL Support was initially founded in 2009 by Managing Director Justin Dean, to provide specialist IT support and IT consultancy services to financial services sector clients. Since its launch, HTL has rapidly evolved to offer a full range of cutting-edge, integrated and flexible products and services to a worldwide client base across all industries. Our ... read HTL Support reviews & insights

    HTL Support was initially founded in 2009 by Managing Director Justin Dean, to provide specialist ... read HTL Support reviews & insights

    < $25/hr
    10 - 49
    2009
    London, United Kingdom
  • Founded on customer service in 1987, we have been providing premium IT support services to small and medium sized businesses in London and beyond for almost four decades. We see IT not as a commodity, but as an investment that acts as a catalyst for growth and success. Our experienced, qualified and committed team exists ... read The Final Step reviews & insights

    Founded on customer service in 1987, we have been providing premium IT support services to ... read The Final Step reviews & insights

    NA
    10 - 49
    1987
    London, United Kingdom
  • Teck Genius is London and Essex's premier Managed IT Support Partner specialising in IT Support, Cybersecurity and IT Consultancy. With a 24/7 Support and Help Desk we are redefining what IT Support should be.

    Teck Genius is London and Essex's premier Managed IT Support Partner specialising in IT Support, ... read TeckGenius reviews & insights

    NA
    10 - 49
    0
    London, United Kingdom
  • DSP offers comprehensive database management and development solutions for organisations of all sizes. We specialise in supporting Oracle, SQL Server, and Cloud-based technologies, ensuring security, stability, and optimal performance across on-premise, Cloud, and hybrid environments.With over 25 years of experience, DSP holds a unique position as experts in both Oracle and Microsoft database technologies, including ... read DSP reviews & insights

    DSP offers comprehensive database management and development solutions for organisations of all sizes. We specialise ... read DSP reviews & insights

    $25 - $49/hr
    2 - 9
    London, United Kingdom
  • We have over 20 years’ of experience supporting media, marketing and creative agencies. We’ll help your agency operate better with technology solutions.Sometimes a problem can be solved just by speaking to someone over the phone. Cubit Technology offers helpdesk support, where our phones are staffed with experienced and competent technicians. We can offer Remote Support ... read Cubit Technology reviews & insights

    We have over 20 years’ of experience supporting media, marketing and creative agencies. We’ll help ... read Cubit Technology reviews & insights

    NA
    10 - 49
    2004
    London, United Kingdom
  • Using AI Tools

    • Co-PilotCo-Pilot
    • ClaudeClaude
    • ChatGPTChatGPT
    • GeminiGemini
    • CanvaCanva

    Lucidica is a London-based managed IT services provider supporting small and medium businesses since 1999. We provide managed IT support, business cybersecurity and Cyber Essentials certification, alongside cloud migration, Microsoft 365 and Azure, hardware supply and support, web hosting and domain management, and web design. We work with SMEs across professional services, finance, legal, creative ... read Lucidica reviews & insights

    Lucidica is a London-based managed IT services provider supporting small and medium businesses since 1999. ... read Lucidica reviews & insights

    NA
    10 - 49
    2005
    London, United Kingdom

    Why Lucidica?

    • Bespoke IT contracts, never one-size-fits-all
    • Cyber Essentials certification for your business
    • Central London engineers onsite within the hour
  • Solid Rock IT UK is your go-to IT support company in London, providing top-notch onsite and remote IT services to businesses and residential customers alike. Our team of skilled engineers is dedicated to keeping your technology running smoothly, so you can focus on what matters most.

    Solid Rock IT UK is your go-to IT support company in London, providing top-notch onsite ... read Solid Rock IT UK reviews & insights

    NA
    2 - 9
    2011
    London, United Kingdom
  • Thingsmart is a UK-based IT consultancy specialising in modern digital solutions for small and medium-sized businesses. We help organisations design, build, and manage smart technology systems that improve efficiency, visibility, and scalability. Our core services include web design and development, e-commerce solutions, ERPNext implementation and consultancy, and business workflow automation. We develop IoT solutions such ... read Thingsmart Limited reviews & insights

    Thingsmart is a UK-based IT consultancy specialising in modern digital solutions for small and medium-sized ... read Thingsmart Limited reviews & insights

    $50 - $99/hr
    Freelancer
    2020
    London, United Kingdom

    Why Thingsmart Limited?

    • More than 20 years of industry experience
    • Solutions tailored to your business
    • Trusted long-term technology partner
  • We believe software should be built around your business, not the other way around. Your processes are unique, as should be the software the drives them. JDLT build bespoke software to help your business scale. AUTOMATION - We'll guide you through what can and should be automated, providing shortcuts to manual processes INTEGRATION - We'll ... read JDLT reviews & insights

    We believe software should be built around your business, not the other way around. Your ... read JDLT reviews & insights

    NA
    10 - 49
    2017
    London, United Kingdom
  • Using AI Tools

    • ClaudeClaude
    • ChatGPTChatGPT
    • CursorCursor
    • n8nn8n
    • GitHub CopilotGitHub Copilot

    AI is not new to us. We were publishing machine learning research and building intelligent systems years before the current rush, and we have spent over a decade turning that work into software that businesses use every day.T&M Consultants designs, builds, and runs AI voice agents, chatbots, and workflow automation for founders and small businesses, ... read T&M Consultants reviews & insights

    AI is not new to us. We were publishing machine learning research and building intelligent ... read T&M Consultants reviews & insights

    $25 - $49/hr
    2 - 9
    2020
    London, United Kingdom

    Why T&M Consultants?

    • Researchers treat AI as engineering not resellers.
    • Try live demos and case studies before committing
    • We build the right thing, then stay accountable

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