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Complexio Limited

ActiveCompany number 14463365Private limited companyEst. 202262090 · Other information technology service activitiesCity and County of the City of London, London
Official record ↗
Age3 years
older than 34% of its sector
Same activity, United Kingdom54,755live companies · 36138th oldest
In City and County of the City of London64,110live companies · 1,081 in the same activity
At this address539live companies incl. this one
Latest accounts2025total exemption full accounts, made up to 31 Dec 2025

In brief

Complexio Limited is a private limited company incorporated in England and Wales on 4 November 2022. It is 3 years old; 66% of the 54,755 live companies whose main activity is other information technology service activities are older. Its registered office is in City and County of the City of London, City of London, London, at an address shared with 538 other live companies. 1,081 live companies in City and County of the City of London share the same main activity. Its latest accounts were made up to 31 December 2025 and filed as total exemption full accounts. It was previously called Quintessential AI Limited, a name it changed on 1 May 2024.

Register details

Registered nameCOMPLEXIO LIMITED
Company number14463365
Company typePrivate Limited Company
Registered officeFirst Floor, 5 Fleet Place, EC4M 7RD London
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)62090 Other information technology service activities
International sector (ISIC Rev.4)J · 62 Computer programming, consultancy and related activities

Timeline

Register events, newest first.

  • Accounts made upTotal exemption full accounts
  • Confirmation statement made up
  • Name changedPreviously Quintessential AI Limited
  • Incorporated

Filings and charges

Deadlines and charge counts from the register.

Next accounts due30 September 2027
Accounting reference date31 December
Next confirmation statement17 November 2026
Last confirmation statement3 November 2025
Charges registered0
Outstanding · satisfied0 · 0

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

Other information technology service activities in the United Kingdom

Live companies whose main activity is 62090: 54,755 in total, median age 7 years, 6,201 incorporated in the past 12 months.

All 54,755 companies
This company's decadeOther decades
010,00020,00030,00040,0001890s: 11890s1910s: 11910s1920s: 21920s1930s: 11930s1950s: 11950s1960s: 161960s1970s: 601970s1980s: 4501980s1990s: 2,4821990s2000s: 8,7202000s2010s: 17,7932010s2020s: 25,2282020s
Incorporated per year, still live
02,0004,0006,0008,0002011: 1,46420112012: 1,5182013: 1,63420132014: 1,8552015: 1,98920152016: 1,7962017: 1,86020172018: 2,0472019: 2,17420192020: 2,2772021: 2,28520212022: 2,4252023: 3,18220232024: 3,9302025: 6,24520252026: 4,884

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 London1,081
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

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

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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.