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Open Building Systems Ltd

ActiveCompany number 04420926Private limited companyEst. 200243999 · Other specialised construction activities n.e.c.City of Westminster, London
Official record ↗
Age24 years
older than 93% of its sector
Same activity, United Kingdom53,956live companies · 3880th oldest
In City of Westminster163,540live companies · 461 in the same activity
At this address2,774live companies incl. this one
Latest accounts2026total exemption full accounts, made up to 31 Mar 2026

In brief

Open Building Systems Ltd is a private limited company incorporated in England and Wales on 19 April 2002. At 24 years old it is older than 93% of the 53,956 live companies whose main activity is other specialised construction activities n.e.c.. Its registered office is in City of Westminster, Westminster, London, at an address shared with 2,773 other live companies. 461 live companies in City of Westminster share the same main activity. Its latest accounts were made up to 31 March 2026 and filed as total exemption full accounts.

Register details

Registered nameOPEN BUILDING SYSTEMS LTD
Company number04420926
Company typePrivate Limited Company
Registered office167-169 Great Portland Street, Fifth Floor, W1W 5PF London
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)43999 Other specialised construction activities n.e.c.
International sector (ISIC Rev.4)F · 43 Specialised construction activities

Timeline

Register events, newest first.

  • Accounts made upTotal exemption full accounts
  • Confirmation statement made up
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due31 December 2027
Accounting reference date31 March
Next confirmation statement30 March 2027
Last confirmation statement16 March 2026
Charges registered0
Outstanding · satisfied0 · 0

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

Other specialised construction activities n.e.c. in the United Kingdom

Live companies whose main activity is 43999: 53,956 in total, median age 7 years, 5,260 incorporated in the past 12 months.

All 53,956 companies
This company's decadeOther decades
010,00020,00030,00040,0001890s: 21890s1910s: 51910s1920s: 31920s1930s: 161930s1940s: 241940s1950s: 571950s1960s: 1311960s1970s: 3671970s1980s: 8241980s1990s: 1,7371990s2000s: 6,4152000s2010s: 20,6112010s2020s: 23,7642020s
Incorporated per year, still live
02,0004,0006,0008,0002011: 1,20520112012: 1,3952013: 1,67420132014: 2,3592015: 2,53220152016: 2,4082017: 2,43820172018: 2,6812019: 2,93720192020: 2,2162021: 2,43920212022: 2,6222023: 3,25120232024: 3,6532025: 5,23620252026: 4,347

Location

Registered office in City of Westminster, Westminster, London.

City of Westminster
Live companies in City of Westminster163,540
Same activity in City of Westminster461
Live companies in Westminster164,765
New in City of Westminster, past 12 months19,587

Also registered at this address

2,773 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
UM
United Media (UK) LimitedCity of Westminster, London
Number 04429316Est. 2002
CI
Construction Industry Trust for YouthCity of Westminster, London
Number 04461612Est. 2002
CC
Caxton Construction LimitedCity of Westminster, London
Number 04240103Est. 2001
P
Pennmen LtdCity of Westminster, London
Number 04239817Est. 2001
CL
CS (London) LimitedCity of Westminster, London
Number 04706833Est. 2003
LM
Line Management Group LimitedCity of Westminster, London
Number 04215303Est. 2001

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.