The largest wireless telecommunications activities companies in London

Ranked by shareholders' funds, from 87 active companies in the EC postcode area.

"Largest" here means shareholders' funds — what the most recent balance sheet says the company is worth. It is the only measure of size filed by enough companies to rank on.

Companies that have never filed accounts cannot appear, however big they are. Figures are as filed at Companies House and can be a year or more old.

Wireless telecommunications activities in London top 20

1. CELLXION LTD

£35,584,200 04780952 since 2003
2. SUREFLOW LTD

£9,686,502 13801779 since 2021
3. MKODO LIMITED

£8,074,341 03991840 since 2000
4. RAKUTEN SYMPHONY UK LTD

£5,355,406 07722775 since 2011
5. GME TOWERS LTD

£4,751,948 10311104 since 2016
6. GME PICO LTD

£4,722,682 11001459 since 2017
7. INTERDIGITAL EUROPE, LTD

£4,686,875 08853262 since 2014
8. M AND D UNITED LTD

£4,454,089 10314823 since 2016
9. GME SITES LTD

£3,692,177 10311050 since 2016
10. KRY MEDICAL LIMITED

£2,203,367 02313464 since 1988
11. TRIBE CONNECT LTD

£1,023,206 09306051 since 2014
12. FIELDBASE SERVICES LTD

£1,009,420 10637893 since 2017
13. PURE BROADBAND LTD

£753,401 06823313 since 2009
14. TELEV LTD

£621,899 13168782 since 2021
15. 4RDIGITAL LIMITED

£442,179 12522090 since 2020
16. V365 LTD

£246,668 12001684 since 2019
17. TARIFF LOGIC LIMITED

£190,729 08141751 since 2012
18. WICASTR LIMITED

£173,300 08535137 since 2013
19. CYMBA INTEGRATED SOLUTIONS LTD

£168,005 05104538 since 2004
20. OPENEXCHANGE, INC. LIMITED

£102,427 11638583 since 2018