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Dem Infrastructure Engineering Ltd

ActiveCompany number 11859068Private limited companyEst. 201942120 · Construction of railways and underground railwaysCity of Westminster, London
Official record ↗
Age7 years
older than 44% of its sector
Same activity, United Kingdom3,414live companies · 1925th oldest
In City of Westminster163,540live companies · 32 in the same activity
At this address2,671live companies incl. this one
Latest accounts2025total exemption full accounts, made up to 31 May 2025

In brief

Dem Infrastructure Engineering Ltd is a private limited company incorporated in England and Wales on 4 March 2019. It is 7 years old; 56% of the 3,414 live companies whose main activity is construction of railways and underground railways are older. Its registered office is in City of Westminster, Westminster, London, at an address shared with 2,670 other live companies. 32 live companies in City of Westminster share the same main activity. Its latest accounts were made up to 31 May 2025 and filed as total exemption full accounts.

Register details

Registered nameDEM INFRASTRUCTURE ENGINEERING LTD
Company number11859068
Company typePrivate Limited Company
Registered office101 New Cavendish Street, 1ST Floor South, W1W 6XH London
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)42120 Construction of railways and underground railways · 42990 Construction of other civil engineering projects n.e.c. · 49100 Passenger rail transport, interurban · 49311 Urban and suburban passenger railway transportation by underground, metro and similar systems
International sector (ISIC Rev.4)F · 42 Civil engineering

Timeline

Register events, newest first.

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

Filings and charges

Deadlines and charge counts from the register.

Next accounts due28 February 2027
Accounting reference date30 May
Next confirmation statement17 March 2027
Last confirmation statement3 March 2026
Charges registered0
Outstanding · satisfied0 · 0

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

Construction of railways and underground railways in the United Kingdom

Live companies whose main activity is 42120: 3,414 in total, median age 8 years, 183 incorporated in the past 12 months.

All 3,414 companies
This company's decadeOther decades
01,0002,0003,0004,0001930s: 111930s1940s: 111940s1980s: 551980s1990s: 17171990s2000s: 1071072000s2010s: 2,1062,1062010s2020s: 1,1771,1772020s
Incorporated per year, still live
02004006008002011: 3220112012: 412013: 5720132014: 2392015: 28320152016: 3232017: 29720172018: 4312019: 38820192020: 1382021: 10820212022: 1442023: 22120232024: 1692025: 26420252026: 133

Location

Registered office in City of Westminster, Westminster, London.

City of Westminster
Live companies in City of Westminster163,540
Same activity in City of Westminster32
Live companies in Westminster164,765
New in City of Westminster, past 12 months19,587

Also registered at this address

2,670 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
H
Hueckermann LtdCity of Westminster, London
Number 11632921Est. 2018
MN
Marlon Nkuni LtdCity of Westminster, London
Number 11570558Est. 2018
MW
MR Walsh's Rail Company LimitedBrent, London
Number 11497464Est. 2018
BR
BG Rail Services LimitedCity of Westminster, London
Number 12269522Est. 2019
SI
Sence International Trade LtdCity of Westminster, London
Number 12389278Est. 2020
RC
Remus Constantin Electrification LtdCity of Westminster, London
Number 11311622Est. 2018

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.