Top UK Telecommunication and Wireless Companies

Last updated: August 15, 2025 Country: United Kingdom Industry: Technology & Telecom Companies listed: 20

This B2B directory page highlights 20 companies in United Kingdom within the Technology & Telecom sector, helping you identify relevant suppliers, partners, and service providers faster.

Top Telephony & Wireless Services in the United Kingdom

Telephony and wireless services keep United Kingdom residents and businesses connected. Whether you need reliable broadband, mobile coverage, or business solutions, these trusted providers deliver quality across the country.

Telecommunications services in the UK cover everything from home broadband and mobile plans to business VoIP and enterprise networks. Common needs include fast internet for remote work, seamless mobile coverage, and scalable solutions for growing businesses. With varying infrastructure demands across urban and rural areas, choosing the right provider ensures smooth connectivity.

In the UK, factors like regional coverage, network reliability, and customer support matter when selecting a provider. London’s high-density areas may prioritize speed, while rural regions need consistent signal strength. Look for providers with strong local presence, transparent pricing, and responsive support—especially during peak usage or adverse weather.

  • BT Group – A cornerstone of UK telecommunications, BT offers broadband, mobile, and business solutions nationwide. With over 170 years in operation, they’re known for extensive fibre coverage and 24/7 customer support.
    Website: www.bt.com
    Contact: 0800 800 150, customer.service@bt.com
    Address: 81 Newgate Street, London, EC1A 7AJ
  • Vodafone UK – Serving the UK since 1985, Vodafone provides mobile, broadband, and IoT solutions. Their 5G network covers major cities like Manchester and Birmingham, with flexible plans for homes and businesses.
    Website: www.vodafone.co.uk
    Contact: 0333 304 0191, support@vodafone.co.uk
    Address: Vodafone House, The Connection, Newbury, RG14 2FN
  • EE – Merging Orange and T-Mobile, EE delivers high-speed mobile and broadband services across the UK. Their 4G and 5G networks are popular for streaming and gaming, with reliable coverage even in rural areas.
    Website: www.ee.co.uk
    Contact: 0800 956 6000, help@ee.co.uk
    Address: Trident Place, Mosquito Way, Hatfield, AL10 9BW
  • Three UK – Known for unlimited data plans, Three serves over 10 million customers with mobile and home broadband. Their 5G rollout targets busy urban centers like Edinburgh and Bristol.
    Website: www.three.co.uk
    Contact: 0333 338 1001, support@three.co.uk
    Address: Green Park, 450 Longwater Avenue, Reading, RG2 6GF
  • Sky Broadband – Part of Sky Group, this provider offers bundled TV, broadband, and phone services. Their fibre packages are favored by households for consistent speeds and Sky Q integration.
    Website: www.sky.com
    Contact: 0333 7591 018, help@sky.com
    Address: Sky Central, Grant Way, Isleworth, TW7 5QD
  • Virgin Media – Delivering ultrafast broadband via its cable network, Virgin Media covers major cities like Liverpool and Glasgow. Their Oomph bundles combine internet, TV, and mobile for seamless connectivity.
    Website: www.virginmedia.com
    Contact: 0345 454 1111, help@virginmedia.com
    Address: 500 Brook Drive, Reading, RG2 6UU
  • TalkTalk – A budget-friendly option, TalkTalk provides broadband and phone services with no-frills pricing. Their fibre plans are popular in suburban areas like Croydon and Leeds.
    Website: www.talktalk.co.uk
    Contact: 0345 172 0088, support@talktalk.co.uk
    Address: 11 Evesham Street, London, W11 4AJ
  • O2 – Operating since 2002, O2 offers mobile plans and business solutions with priority access to events at The O2 Arena. Their Refresh contracts allow flexible upgrades.
    Website: www.o2.co.uk
    Contact: 0344 809 0202, help@o2.co.uk
    Address: 260 Bath Road, Slough, SL1 4DX
  • Plusnet – Acquired by BT, Plusnet retains its Yorkshire roots with straightforward broadband and phone packages. Their UK-based support team is praised for quick issue resolution.
    Website: www.plus.net
    Contact: 0800 432 0200, help@plus.net
    Address: The Balance, 2 Pinfold Street, Sheffield, S1 2GU
  • Giffgaff – A mobile virtual network operator (MVNO) using O2’s infrastructure, Giffgaff offers pay-as-you-go and SIM-only plans. Their community-driven support appeals to tech-savvy users.
    Website: www.giffgaff.com
    Contact: 0330 159 6622, help@giffgaff.com
    Address: PO Box 72859, London, EC1P 1NY
  • Tesco Mobile – A joint venture with O2, Tesco Mobile provides affordable pay-monthly and pay-as-you-go options. Clubcard points add value for regular shoppers.
    Website: www.tescomobile.com
    Contact: 0345 301 4455, help@tescomobile.com
    Address: Tesco House, Shire Park, Welwyn Garden City, AL7 1GA
  • Shell Energy Broadband – Formerly First Utility, Shell Energy offers broadband powered by the Openreach network. Their green energy bundles attract eco-conscious households.
    Website: www.shellenergy.co.uk
    Contact: 0330 094 5800, broadband@shellenergy.co.uk
    Address: 4th Floor, 2 Croydon Advertiser Building, Surrey Street, Croydon, CR0 1NG
  • Hyperoptic – Specializing in gigabit broadband for apartments, Hyperoptic serves high-rise buildings in London, Manchester, and Birmingham. Their no-contract options suit renters.
    Website: www.hyperoptic.com
    Contact: 0333 332 1111, hello@hyperoptic.com
    Address: 2nd Floor, 40 Gracechurch Street, London, EC3V 0BT
  • NOW Broadband – A subsidiary of Sky, NOW provides flexible broadband and TV without long-term contracts. Ideal for students and short-term residents in cities like Nottingham.
    Website: www.nowtv.com
    Contact: 0330 024 7777, help@nowtv.com
    Address: Sky Central, Grant Way, Isleworth, TW7 5QD
  • Zen Internet – An independent provider since 1995, Zen delivers reliable broadband with no price hikes. Their business packages include static IPs and dedicated support lines.
    Website: www.zen.co.uk
    Contact: 01706 902 781, hello@zen.co.uk
    Address: Zen House, Sandbrook Park, Rochdale, OL11 1RY
  • Lebara Mobile – Focused on low-cost international calls, Lebara caters to the UK’s multicultural communities. Their SIM cards are available at corner shops nationwide.
    Website: www.lebara.co.uk
    Contact: 020 7031 0791, care@lebara.co.uk
    Address: 2nd Floor, 1 Ropemaker Street, London, EC2Y 9AW
  • Lyca Mobile – Another MVNO targeting international callers, Lyca offers competitive pay-as-you-go rates. Their stores are common in London’s diverse neighborhoods.
    Website: www.lycamobile.co.uk
    Contact: 020 7132 0322, care@lycamobile.co.uk
    Address: Lyca House, 12-15 Hanger Green, London, W5 3EL
  • ID Mobile – Using Three’s network, ID Mobile provides flexible data plans with unused data rollover. Their app makes managing allowances simple.
    Website: www.idmobile.co.uk
    Contact: 0333 003 7777, help@idmobile.co.uk
    Address: 1 Roundwood Avenue, Stockley Park, Uxbridge, UB11 1FG
  • Post Office Mobile – Backed by EE’s network, Post Office Mobile combines affordability with widespread retail support. Ideal for rural customers near Post Office branches.
    Website: www.postoffice.co.uk
    Contact: 0345 722 3344, mobile@postoffice.co.uk
    Address: Finsbury Dials, 20 Finsbury Street, London, EC2Y 9AQ
  • Utility Warehouse – A multi-service provider offering broadband, mobile, and utilities in one bill. Their cashback discounts appeal to budget-conscious families.
    Website: www.utilitywarehouse.co.uk
    Contact: 0333 777 0777, help@utilitywarehouse.co.uk
    Address: 508 Edgware Road, London, NW9 5AB

Compare plans and coverage to find the best telephony and wireless services for your needs.

Explore more company lists on DistriList: Browse all categories.