# Top 26 Telecoms Startups in London by Funding (2026)

> The 26 best-funded telecoms startups in London, ranked by total funding raised: $3.3B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/telecom-startups-london (Millionrounds; every figure on the page links to its filing or article)

- 1 [**EXA Infrastructure** EXA Infrastructure is the largest dedicated digital infrastructure platform in Europe, linking North America and Asia via the Middle East.](https://millionrounds.com/company/exa-infrastructure) EXA Infrastructure is the largest dedicated digital infrastructure platform in Europe, linking North America and Asia via the Middle East. *Founded* 2021 London, United Kingdom **$1.5B** last round Oct 2025
- 2 [**Netomnia** Netomnia is a full-fibre network company.](https://millionrounds.com/company/netomnia) Netomnia is a full-fibre network company. *Founded* 2019 London, United Kingdom **$607M** last round Apr 2026
- 3 [**Community Fibre** Community Fibre is a broadband company that exclusively serves London's residents and businesses.](https://millionrounds.com/company/community-fibre) Community Fibre is a broadband company that exclusively serves London's residents and businesses. *Founded* 2013 London, United Kingdom **$519M** last round Dec 2025
- 4 [**Synthesia** Synthesia is a British multinational AI company based in London, founded in 2017.](https://millionrounds.com/company/synthesia) Synthesia is a British multinational AI company based in London, founded in 2017. *Founded* 2017 London, United Kingdom **$506M** last round Jan 2026
- 5 [**Symbian Foundation** Symbian Foundation was a non-profit organization dedicated to the Symbian mobile operating system.](https://millionrounds.com/company/symbian-foundation) Symbian Foundation was a non-profit organization dedicated to the Symbian mobile operating system. *Founded* 2009 London, United Kingdom **$60M** last round Nov 2010
- 6 [**Muzicall** Muzicall is a ringback tone service provider for operators and media companies.](https://millionrounds.com/company/muzicall) Muzicall is a ringback tone service provider for operators and media companies. *Founded* 2004 London, United Kingdom **$16M** last round Feb 2010
- 7 [**PacketExchange** Global network services provider](https://millionrounds.com/company/packetexchange) Global network services provider *Founded* 2001 London, United Kingdom **$15M** last round Jul 2008
- 8 [**Peanut App** Peanut App is a social networking platform designed to connect women through all stages of motherhood.](https://millionrounds.com/company/peanut-app) Peanut App is a social networking platform designed to connect women through all stages of motherhood. *Founded* 2016 London, United Kingdom **$14M** last round Apr 2025
- 9 [**Connectd** Connectd is a London-based fintech and media information services platform that connects early-stage startups, scale-ups, and investors with fractional executiv](https://millionrounds.com/company/connectd) Connectd is a London-based fintech and media information services platform that connects early-stage startups, scale-ups, and investors with fractional executiv *Founded* 2019 London, United Kingdom **$10M** last round Jul 2025
- 10 [**Sedna** Sedna is a data-driven communication platform that pushes profitability.](https://millionrounds.com/company/sedna) Sedna is a data-driven communication platform that pushes profitability. *Founded* 2017 London, United Kingdom **$10M** last round Apr 2025
- 11 [**Telecel Global Services** Telecel Global Services is a telecommunication company based in London.](https://millionrounds.com/company/telecel-global-services) Telecel Global Services is a telecommunication company based in London. *Founded* 2017 London, United Kingdom **$10M** last round Jul 2025
- 12 [**Avealto** Avealto is a UK-based telecommunications infrastructure company that specializes in high-altitude wireless platforms (WIP/HAPS).](https://millionrounds.com/company/avealto) Avealto is a UK-based telecommunications infrastructure company that specializes in high-altitude wireless platforms (WIP/HAPS). *Founded* 2013 London, United Kingdom **$9.3M** last round Dec 2025
- 13 [**Lucida AI** Lucida AI is a technology company that specializes in artificial intelligence solutions for language learning and professional communication.](https://millionrounds.com/company/lucida-ai) Lucida AI is a technology company that specializes in artificial intelligence solutions for language learning and professional communication. *Founded* 2024 London, United Kingdom **$7.8M** last round Jun 2026
- 14 [**PlayJam** PlayJam is a bespoke software development company that creates tailored software solutions for both startups and established businesses.](https://millionrounds.com/company/playjam) PlayJam is a bespoke software development company that creates tailored software solutions for both startups and established businesses. *Founded* 1999 London, United Kingdom **$5.0M** last round Oct 2011
- 15 [**Slashwork** Slashwork is a London-based software startup focused on enhancing workplace communication through its AI-driven platform.](https://millionrounds.com/company/slashwork) Slashwork is a London-based software startup focused on enhancing workplace communication through its AI-driven platform. *Founded* 2025 London, United Kingdom **$3.5M** last round Feb 2026
- 16 [**AirSense Wireless** AirSense Wireless Limited was a UK-based company that specialized in software development for Wi-Fi and cellular network interoperability.](https://millionrounds.com/company/airsense-wireless) AirSense Wireless Limited was a UK-based company that specialized in software development for Wi-Fi and cellular network interoperability. *Founded* 2010 London, United Kingdom **$2.5M** last round Sept 2011
- 17 [**LM Technologies** LM Technologies Ltd, Design & Manufacture of Wireless Technology for Industry.](https://millionrounds.com/company/lm-technologies) LM Technologies Ltd, Design & Manufacture of Wireless Technology for Industry. *Founded* 2004 London, United Kingdom **$1.4M** last round Apr 2022
- 18 [**rocketphone.ai** RocketPhone.ai is a London-based AI-powered conversation processing platform designed for businesses using Salesforce.](https://millionrounds.com/company/rocketphone-ai) RocketPhone.ai is a London-based AI-powered conversation processing platform designed for businesses using Salesforce. *Founded* 2015 London, United Kingdom **$1.1M** last round Aug 2021
- 19 [**Anonymised** Anonymised is a SaaS platform that enables marketers to reach audiences in a privacy-preserving way using only anonymous data.](https://millionrounds.com/company/anonymised) Anonymised is a SaaS platform that enables marketers to reach audiences in a privacy-preserving way using only anonymous data. *Founded* 2019 London, United Kingdom **$1.0M** last round Apr 2023
- 20 [**ZIM Connections** ZIM Connections is a London-based telecommunications firm established in 2020.](https://millionrounds.com/company/zim-connections) ZIM Connections is a London-based telecommunications firm established in 2020. *Founded* 2020 London, United Kingdom **$790K** last round Oct 2023
- 21 [**Klink Labs** Klink Labs is a global performance-based rewarded marketing network founded in July 2022.](https://millionrounds.com/company/klink-labs) Klink Labs is a global performance-based rewarded marketing network founded in July 2022. *Founded* 2023 London, United Kingdom **$675K** last round Feb 2025
- 22 [**Kasookoo** Kasookoo is a cloud communications and business phone system company that offers a software-based alternative to traditional office telephony.](https://millionrounds.com/company/kasookoo) Kasookoo is a cloud communications and business phone system company that offers a software-based alternative to traditional office telephony. *Founded* 2018 London, United Kingdom **$500K** last round Nov 2021
- 23 [**Sliide** Sliide is a London-based mobile technology company founded in 2013.](https://millionrounds.com/company/sliide) Sliide is a London-based mobile technology company founded in 2013. *Founded* 2013 London, United Kingdom **$495K** last round Feb 2015
- 24 [**Vorboss** Vorboss believe that these crucial decisions should be made with a technical expert, rather than someone driven by margins.](https://millionrounds.com/company/vorboss) Vorboss believe that these crucial decisions should be made with a technical expert, rather than someone driven by margins. *Founded* 2006 London, United Kingdom **$328K** last round Dec 2022
- 25 [**Bondio** Bondio is a telecommunications and connectivity company based in London, specializing in the eSIM market.](https://millionrounds.com/company/bondio) Bondio is a telecommunications and connectivity company based in London, specializing in the eSIM market. *Founded* 2023 London, United Kingdom **$191K** last round Nov 2023
- 26 [**NextUp** The home of stand-up, showcasing all the wonders of live comedy worldwide.](https://millionrounds.com/company/nextup) The home of stand-up, showcasing all the wonders of live comedy worldwide. *Founded* 2016 London, United Kingdom **$62K** last round Jun 2023

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back telecoms startups in London in the app, with filters, lists and exports.

[Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists)

## More telecoms lists

[See all](https://millionrounds.com/top-lists?t=Telecoms)

[*L* *C* *DE* **Telecoms startups that raised in 2026** 97 companies · $14B in 2026](https://millionrounds.com/top-lists/telecom-startups-raised-2026)[*L* *C* *A* **Telecoms startups in the United States that raised in 2026** 50 companies · $9.4B in 2026](https://millionrounds.com/top-lists/telecom-startups-united-states-raised-2026)[*T* *T* *A* **Telecoms startups in Canada** 42 companies · $2.3B](https://millionrounds.com/top-lists/telecom-startups-canada)[*M* *C* *X* **Telecoms startups in San Francisco** 30 companies · $686M](https://millionrounds.com/top-lists/telecom-startups-san-francisco)[*L* *A* *NL* **Telecoms startups in New York** 26 companies · $571M](https://millionrounds.com/top-lists/telecom-startups-new-york)[*N* *U* *BF* **Telecoms startups founded in 2019** 25 companies · $1.8B](https://millionrounds.com/top-lists/telecom-startups-founded-2019)[*EI* *HN* *A* **Telecoms startups founded in 2021** 24 companies · $2.1B](https://millionrounds.com/top-lists/telecom-startups-founded-2021)[*NQ* *F* *SI* **Telecoms startups founded in 2018** 23 companies · $430M](https://millionrounds.com/top-lists/telecom-startups-founded-2018)

## More lists for London

[See all](https://millionrounds.com/top-lists?r=London)

[*F* *IL* *PD* **Startups in London** 3,521 companies · $51B](https://millionrounds.com/top-lists/startups-london)[*IL* *W* *U* **AI startups in London** 479 companies · $18B](https://millionrounds.com/top-lists/ai-startups-london)[*K* *F* *F* **IT Services startups in London** 400 companies · $3.0B](https://millionrounds.com/top-lists/it-services-startups-london)[*IL* *VB* *S* **Health startups in London** 300 companies · $9.9B](https://millionrounds.com/top-lists/health-startups-london)[*F* *FC* *R* **Financial Services startups in London** 282 companies · $22B](https://millionrounds.com/top-lists/financial-services-startups-london)[*IL* *OT* *M* **Healthcare startups in London** 191 companies · $6.9B](https://millionrounds.com/top-lists/healthcare-startups-london)[*FC* *R* *C* **Fintech startups in London** 166 companies · $15B](https://millionrounds.com/top-lists/fintech-startups-london)[*Q* *BS* *E* **Big Data & Analytics startups in London** 164 companies · $3.3B](https://millionrounds.com/top-lists/big-data-startups-london)