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 16
£1,031,089 total awarded value where published.
Showing the 5 most recent of 16.
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.
Data protection registration
Registered with the ICO as a data protection fee payer — Z7121003 (Tier 3), registered since 2002.
Information Commissioner's Office register of fee payers, licensed under the Open Government Licence.
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 496 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.