Data from the official company registers of 12 countries. Not an official register.

English

AI Complex Constructions Ltd

Age2 years
older than 23% of its sector
Same activity, United Kingdom119,361live companies · 91814th oldest
In Bradford23,655live companies · 371 in the same activity
At this address1only this company
Latest accounts2025micro-entity accounts, made up to 31 Mar 2025

In brief

AI Complex Constructions Ltd is a private limited company incorporated in England and Wales on 12 March 2024. It is 2 years old; 77% of the 119,361 live companies whose main activity is development of building projects are older. Its registered office is in Bradford, Yorkshire and The Humber. 371 live companies in Bradford share the same main activity. Its latest accounts were made up to 31 March 2025 and filed as micro-entity accounts. It was previously called Hill Side Security Systems Limited, a name it changed on 27 May 2025.

Register details

Registered nameAI COMPLEX CONSTRUCTIONS LTD
Company number15557492
Company typePrivate Limited Company
Registered officeUnit 3, 215 Lumb Lane, BD8 7SG Bradford
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)41100 Development of building projects · 43999 Other specialised construction activities n.e.c. · 74909 Other professional, scientific and technical activities n.e.c.
International sector (ISIC Rev.4)F · 41 Construction of buildings

Timeline

Register events, newest first.

  • Confirmation statement made up
  • Name changedPreviously Hill Side Security Systems Limited
  • 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 statement25 March 2027
Last confirmation statement11 March 2026
Charges registered0
Outstanding · satisfied0 · 0

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

Development of building projects in the United Kingdom

Live companies whose main activity is 41100: 119,361 in total, median age 7 years, 10,953 incorporated in the past 12 months.

All 119,361 companies
This company's decadeOther decades
020,00040,00060,00080,0001850s: 11850s1860s: 11860s1870s: 21870s1880s: 71880s1890s: 131890s1900s: 181900s1910s: 141910s1920s: 691920s1930s: 1381930s1940s: 1761940s1950s: 4661950s1960s: 8661960s1970s: 1,1601970s1980s: 2,3631980s1990s: 3,9951990s2000s: 11,9272000s2010s: 40,2572010s2020s: 57,8882020s
Incorporated per year, still live
05,00010,00015,00020,0002011: 1,73820112012: 2,0562013: 2,71420132014: 3,5072015: 4,19320152016: 4,7812017: 5,88620172018: 6,5712019: 7,40220192020: 7,1382021: 7,25320212022: 6,8202023: 7,38720232024: 8,8602025: 11,45620252026: 8,974

Location

Registered office in Bradford, Yorkshire and The Humber.

Bradford
Live companies in Bradford23,655
Same activity in Bradford371
New in Bradford, past 12 months4,231

Similar companies

Live companies with the same main activity, nearest first.

Compare all

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.