Telephony & VoIP
Business phone systems and VoIP solutions
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Hosted Telecom Limited
Hosted Telecom Limited is a Woking-based telecommunications provider supplying hosted VoIP telephone systems, telephone lines and internet broadband to small and medium-sized businesses. Its hosted telephony runs from secure cloud data centres, removing the need for on-site PBX equipment, with free office-to-office calls and lease options. The company also provides voice and data circuits, including ADSL, fibre and leased lines, with access to major carriers.
I T Communications Ltd
IT Communications Ltd is a Southend-on-Sea based telecommunications provider supplying business voice and connectivity services across the UK. It delivers hosted 3CX phone systems, its own Soft-Switch hosted PBX platform, SIP trunks, telephone numbers with porting, business broadband including EoFTTC/EoFTTP options, and fibre leased lines. Supplementary services cover web hosting, virtual and dedicated servers, colocation in London, IP transit and domain registration, backed by UK-based support and 24/7 network monitoring.
ICUK
UK ISP and telecoms wholesaler providing broadband, hosting and voice services to resellers.
IDNet
Reliable, ultra fast broadband from a high performance ISP. Providing the best connections for business, working from home or gaming since 1996.
IRIS CLARITY
IRIS Audio Technologies provides AI-powered audio enhancement and noise cancellation solutions for communication platforms, hardware, and desktop applications. Their technology extracts audio as a data source to improve clarity and accuracy in mission-critical environments across industries such as contact centres, motorsport, and defence. They serve organisations requiring precise voice communication where environmental noise impacts performance and security.
IT Zero
IT Zero provides business IT support to companies in London and Hertfordshire, covering managed IT services, VoIP telephony, and wired and wireless network infrastructure. The company monitors and manages client systems to reduce unplanned downtime rather than waiting for faults to occur, and offers remote IT support that resolves most issues without an on-site technician visit. IT Zero's IT security services include monitoring and protecting client data, and its compliance support covers GDPR and industry-specific regulations. The company also handles domain registration, broadband and leased line products.
IT-C Support Solutions
IT-C Support Solutions provides IT support and business computer support services to small and mid-size organisations across Norfolk, Suffolk and Essex, with offices in Great Yarmouth and Bury St Edmunds. The company covers desktop, server and network support, IT consultancy and continuity services for hospitality, service, manufacturing and charity clients. As Fujitsu Select Experts, it supports Fujitsu server and client computing hardware, and provides business telephone systems, hosted VoIP, cloud backup and cyber security services including security awareness training, anti-virus, anti-spam and firewall management.
ITC.
itc is an independent telecoms consultancy based in Bradford, serving UK businesses since 2006. It supplies and manages business broadband from ADSL to full-fibre, leased lines with guaranteed uptime and service level agreements, cloud-hosted VoIP phone systems, and business mobile plans. Clients get a dedicated account manager and a single point of contact. The company also advises on the January 2027 PSTN switch-off and offers same-day line setup.
Indy IT
Indy IT provides IT support, telecoms and hardware services to businesses from its Northampton office. The company offers proactive IT support contracts alongside security and backup services covering document, database and Microsoft 365 backup, plus email security. Telecom services include hosted VoIP telephony, on-premise telephony, leased lines and broadband connectivity. Indy IT also supplies computers, laptops, servers and printers, and provides Microsoft 365 and Azure cloud integration alongside software licensing for education and charity customers.
Infinet Solutions
Top Cardiff telecoms companies & South Wales telecoms companies. Infinet Solutions – telecoms companies Cardiff, Swansea, UK. VoIP, broadband, mobiles, WiFi, IT support.
Infocom Systems
Brighton-based supplier of specialised communications products, including ATEX explosion proof telephones, weatherproof and vandal resistant phones, emergency help points and call points. Products from manufacturers such as Le Las, Depaepe and Viking serve the transport, petrochemical, energy and pharmaceutical sectors, plus government authorities, academic institutions and the NHS. The range also covers clean room, control room, hotel and hospital telephones for professional operational use.
Intech Group
Intech Group provides telephone systems, IT support, business internet, mobiles, cloud hosted services and AI solutions to businesses from its Hampshire base, established in 2001. The company supports more than 500 businesses with 24-hour monitoring and offers a single point of contact for all six service areas. Its telephone systems cover Wildix, Splicecom and Microsoft Teams, delivered as cloud, on-site or hybrid deployments, with a service helping clients migrate ahead of the 2027 PSTN switch-off. Intech Group also manages business mobile fleets across O2, Vodafone, EE and Three, and migrates clients to Microsoft 365 and Azure.
Integer IT & Telecom Services
Integer IT & Telecom provides business telecommunications and IT services to companies across South Wales and South West England. It supplies and supports telephone systems including cloud-based VoIP, hybrid and on-premise options, alongside business broadband, leased lines and mobile packages. Its IT services cover infrastructure, remote support and security management. Based at Taffs Well near Cardiff, it also offers phone lines, conference calling, guest wifi and related extras.
Integrate Telecom Solutions Ltd
Glasgow-based independent telecoms supplier serving start-ups, SMEs and government organisations. Provides cloud VoIP phone systems, business mobiles on O2, Vodafone and EE networks, fixed-IP IoT and M2M SIMs, and connectivity including fibre broadband, leased lines and rural broadband. Also supplies guest Wi-Fi with a marketing portal for hospitality venues, card payment terminals, and digital marketing through UK partners. Offers support seven days a week.
Intelecomm (UK) Limited
Established in 2002 and based in Worcester, Intelecomm (UK) Limited is an independent communications company serving clients throughout the UK. It provides hosted voice, business mobile, unified communications, connectivity, IoT and 5G solutions, cyber security and IT managed services. The company also offers telecom solutions for businesses preparing for the PSTN switch off, with support delivered by its own technical staff.
Interface Advantage Ltd
Interface Advantage Ltd is a Reading-based telecommunications provider with over 20 years' experience supplying IP and internet solutions to businesses. Services include MobeX softphone communicators integrated with Liquid V cloud telephony, Liquid E ethernet lines, hosted voice handsets, Direct Routing for Microsoft Teams, and multi-network data eSIMs. The company also offers IT support, security, mobiles and cloud services, with published case studies covering phone system migrations.
Internetwork Comms Ltd
Northampton-based telecommunications provider with over 25 years' experience supplying business communications. Services include internet connectivity from SoGEA and FTTP through dedicated Ethernet, SD-WAN and MPLS networks; business mobiles across all major networks including IoT and M2M; and UCaaS telephony plus CCaaS contact centre solutions. Offers consultation, network cabling and end-to-end installation, with cloud interconnects to Azure and AWS.
Invoco Telecom
From virtual numbers to fully hosted telephony services, you'll never need to go anywhere else for your business phone needs.
Itbcomms
UK telecom broker providing voice, connectivity, cloud and mobile services to businesses.
JHL Communications
Glasgow-based telecommunications company designing, delivering and maintaining telecom solutions for businesses. Products include business mobiles, fixed lines and calls, data connectivity, converged and hosted telephony, mobile device management, machine-to-machine and IoT connectivity, fixed infrastructure, telematics and business utilities. Every client receives consultation, project management and account management, with performance tracked through a telecoms-specific CRM that lets customers rate completed tasks.
JV Communications Ltd.
JV Communications Ltd supplies VoIP business phone systems and broadband to companies across the UK. Based in Blackpool, Lancashire, it advises on moving to VoIP, covering required equipment, connectivity types and costs. Systems are deployed within 24–48 hours on rolling 30-day terms rather than fixed contracts, and the company runs a referral scheme. It also offers a downloadable guide to VoIP for prospective customers.
Jaguar Telecom Ltd
Jaguar Telecom provides telephone systems, broadband and office network solutions to SME businesses across South East England, typically those with between 10 and 100 users. Based in St Albans, the company supplies and supports business communication systems, offering advice on upgrades and office moves alongside ongoing customer care. It explains technology in plain terms and states its pricing is simple, transparent and accurate.
Jet Telecom
Jet Telecom is a Bournemouth-based business telecommunications provider serving companies across Dorset. It offers voice services including SIP trunks, fully managed hosted telephony, conventional landlines ahead of the ISDN switch-off, inbound number services and SIM only mobile tariffs. Data services cover leased lines, fibre broadband, SOGEA, EoFTTC and bonded ADSL, with handsets and hardware also supplied. Calls route via the BT IP Exchange.
Johnson IP Technology
Johnson IP Technology provides IT support, implementation and consultancy services to businesses across London, Surrey, East Sussex and the wider South East, available on an ad-hoc or contract basis, on-site or remote. The company plans for business continuity risks such as data loss, cybercrime and malware, and supports network upgrades, WiFi performance and remote access or VPN setups. Its VOIP services cover Asterisk and Microsoft Teams-based phone systems, including Microsoft Teams Business Voice, delivered on-premise or in the cloud. Johnson IP Technology also provides field engineer support for data centre hardware in the London area, and resells Acronis, Adobe, LastPass and Fortinet products.
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