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SDT Ltd

ActiveCompany number 02938419Private limited companyEst. 199461900 · Other telecommunications activitiesCity and County of the City of London, London
Official record ↗
Age32 years
older than 97% of its sector
Same activity, United Kingdom9,787live companies · 269th oldest
In City and County of the City of London64,110live companies · 203 in the same activity
At this address20live companies incl. this one
Latest accounts2025micro-entity accounts, made up to 31 Mar 2025

In brief

SDT Ltd is a private limited company incorporated in England and Wales on 13 June 1994. At 32 years old it is older than 97% of the 9,787 live companies whose main activity is other telecommunications activities. Its registered office is in City and County of the City of London, City of London, London, at an address shared with 19 other live companies. 203 live companies in City and County of the City of London share the same main activity. Its latest accounts were made up to 31 March 2025 and filed as micro-entity accounts.

Register details

Registered nameSDT LTD
Company number02938419
Company typePrivate Limited Company
Registered office77 Cornhill, EC3V 3QQ London
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)61900 Other telecommunications activities · 62020 Information technology consultancy activities · 62090 Other information technology service activities
International sector (ISIC Rev.4)J · 61 Telecommunications

Timeline

Register events, newest first.

  • Confirmation statement made up
  • Accounts made upMicro-entity accounts
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due31 December 2026
Accounting reference date31 March
Next confirmation statement29 August 2027
Last confirmation statement15 August 2026
Charges registered1
Outstanding · satisfied0 · 1

Charges are security interests (such as mortgages) registered against the company.

Other telecommunications activities in the United Kingdom

Live companies whose main activity is 61900: 9,787 in total, median age 9 years, 735 incorporated in the past 12 months.

All 9,787 companies
This company's decadeOther decades
02,0004,0006,0008,0001870s: 21870s1920s: 21920s1940s: 11940s1950s: 11950s1960s: 21960s1970s: 261970s1980s: 1171980s1990s: 5521990s2000s: 1,7132000s2010s: 3,5622010s2020s: 3,8092020s
Incorporated per year, still live
02505007501,0002011: 23620112012: 3232013: 34120132014: 3832015: 37520152016: 3652017: 40020172018: 4332019: 48220192020: 4732021: 42420212022: 4742023: 49320232024: 5512025: 81120252026: 583

Location

Registered office in City and County of the City of London, City of London, London.

City and County of the City of London
Live companies in City and County of the City of London64,110
Same activity in City and County of the City of London203
Live companies in City of London65,207
New in City and County of the City of London, past 12 months4,148

Also registered at this address

19 other live companies share this registered office; shown are those incorporated closest in time to this one.

Similar companies

Live companies with the same main activity, nearest first.

Compare all
A
Avaya UKCity and County of the City of London, London
Number 03049861Est. 1995
LU
LCC, United Kingdom LimitedCity and County of the City of London, London
Number 03072423Est. 1995
GB
Giacom (Billing) LimitedCity and County of the City of London, London
Number 03089574Est. 1995
CT
Cortel Telecom LimitedCity and County of the City of London, London
Number 02724112Est. 1992
AD
Active Digital Communications LimitedCity and County of the City of London, London
Number 03285713Est. 1996
ME
Maintel Europe LimitedCity and County of the City of London, London
Number 02665837Est. 1991

Sources

Register data: Companies House, Free Company Data Product, delivery of 1 October 2026. Places: ONS Postcode Directory (Open Government Licence v3.0). Sector names: Eurostat NACE Rev. 2. Context figures are computed by FirmsDB from these sources. This page is not an official register; check the official record before relying on it.