COLT TECHNOLOGY SERVICES
Company number 02452736 · Monitor this company
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Overview
- Company type
- Private Unlimited
- Incorporated
- 1989-12-15
- Registered office
- Colt House, 20 Great Eastern Street, London, England, EC2A 3EH
- Postcode
- EC2A 3EH
- Capital
- 519,518,474 GBP
- Accounts category
- Full
- Charges
- 4 outstanding
Accounts
- Last made up to
- 2024-12-31
- Financial year end
- 31 December
Confirmation statement
- Last statement dated
- 2026-04-04
- Next due by
- 2027-04-18
Nature of business (SIC)
- 61900 Other telecommunications activities
Officers 7 current · 53 resigned
Group structure 2 subsidiaries
Controlled by COLT TELECOM LIMITED — since 2016-04-21
From persons-with-significant-control filings on the public register.
Public contracts won 15
£750,865 total awarded value where published.
Showing the 5 most recent of 15.
Contains public sector information licensed under the Open Government Licence v3.0 (Contracts Finder).
Modern slavery statement
Registered a modern slavery statement for 2024 (period to 2023-12-31) as part of the COLT GROUP HOLDINGS LIMITED group statement — 2 years on the registry.
Read the statement summary on the government modern slavery statement registry. Contains public sector information licensed under the Open Government Licence v3.0.
Gender pay gap
23.9%
Women's median hourly pay below men's, 2025/26 · in the bottom quarter for parity
Contact details
- Website
- colt.net
- Phone
- 08066405121, 06565909008, 02073903900
Simplifying digital infrastructure to deliver effortless experiences. Trusted global connectivity, cloud, security & voice services for enterprise.
Previous company names
| Name | Date changed |
|---|---|
| COLT TELECOMMUNICATIONS | 2010-03-04 |
| ADVANCED MOBILE COMMUNICATIONS INTERNATIONAL LIMITED | 1995-01-11 |
| EARNTWIN LIMITED | 1990-01-26 |
Previous registered addresses 4
| Address | Changed on |
|---|---|
| BEAUFORT HOUSE, 15 ST BOTOLPH STREET, LONDON, ENGLAND, EC3A 7QN | 2016-11-22 |
| BISHOPSGATE COURT, 4 NORTON FOLGATE, LONDON, E1 6DQ | 2003-03-08 |
| GRANT THORNTON HOUSE, 206 SILBURY BOULEVARD, CENTRAL MILTON KEYNES, MK9 1LV | 1995-01-08 |
| 2 BACHES STREET, LONDON, N1 6UB | 1992-01-09 |
Among its peers
Among the oldest 25%
of 493 similar companies in EC, trading since 1989
The class of 1989
50%
of the 21,096 companies incorporated in 1989 are still active today; 44% have since been dissolved.
A fact about the year, not a forecast for this company.
Property in England & Wales 20 titles
- Leasehold
- 20
- Most recent registration
- 2024-01-18
- Where
- Greater London (4), Kent (3), Hertfordshire (3)
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| AGL613800 | Greater London | Leasehold | 2024-01-18 | — |
| AGL586429 | Greater London | Leasehold | 2023-01-18 | — |
| TT128312 | Kent | Leasehold | 2021-08-10 | — |
| TT125573 | Kent | Leasehold | 2021-06-18 | — |
| MAN372623 | Greater Manchester | Leasehold | 2021-01-22 | — |
| NGL985773 | Greater London | Leasehold | 2019-02-27 | — |
| MM119663 | West Midlands | Leasehold | 2019-02-05 | — |
| WK495447 | Warwickshire | Leasehold | 2018-02-02 | — |
| TT74983 | Kent | Leasehold | 2018-01-03 | — |
| AGL417489 | Greater London | Leasehold | 2017-07-11 | — |
| GR415524 | South Gloucestershire | Leasehold | 2017-06-30 | — |
| ON333318 | Oxfordshire | Leasehold | 2017-06-07 | — |
| YY82348 | West Yorkshire | Leasehold | 2017-04-03 | — |
| BK482985 | Windsor And Maidenhead | Leasehold | 2017-03-28 | — |
| DY509759 | Derbyshire | Leasehold | 2017-01-18 | — |
| NN338034 | West Northamptonshire | Leasehold | 2016-02-18 | — |
| DY462017 | Derbyshire | Leasehold | 2011-09-28 | — |
| HD482126 | Hertfordshire | Leasehold | 2008-06-04 | — |
| HD480743 | Hertfordshire | Leasehold | 2008-04-21 | — |
| HD475259 | Hertfordshire | Leasehold | 2007-11-13 | — |
For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).
Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.