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

English

Mainstack UK Limited

Age2 years
older than 60% of its sector
Same activity, United Kingdom17,860live companies · 7199th oldest
In Cardiff53,764live companies · 274 in the same activity
At this address1only this company
Latest accounts2025micro-entity accounts, made up to 31 Jul 2025

In brief

Mainstack UK Limited is a private limited company incorporated in England and Wales on 30 July 2024. At 2 years old it is older than 60% of the 17,860 live companies whose main activity is other software publishing. Its registered office is in Cardiff, Wales. 274 live companies in Cardiff share the same main activity. Its latest accounts were made up to 31 July 2025 and filed as micro-entity accounts.

Register details

Registered nameMAINSTACK UK LIMITED
Company number15864700
Company typePrivate Limited Company
Registered office15864700 - Companies House Default Address, CF14 8LH Cardiff
JurisdictionEngland and Wales
Nature of business (UK SIC 2007)58290 Other software publishing · 62012 Business and domestic software development · 63120 Web portals · 63990 Other information service activities n.e.c.
International sector (ISIC Rev.4)J · 58 Publishing activities

Timeline

Register events, newest first.

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

Filings and charges

Deadlines and charge counts from the register.

Next accounts due30 April 2027
Accounting reference date31 July
Next confirmation statement7 August 2026
Last confirmation statement24 July 2025
Charges registered0
Outstanding · satisfied0 · 0

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

Other software publishing in the United Kingdom

Live companies whose main activity is 58290: 17,860 in total, median age 1 years, 7,176 incorporated in the past 12 months.

All 17,860 companies
This company's decadeOther decades
05,00010,00015,00020,0001940s: 111940s1960s: 441960s1970s: 991970s1980s: 90901980s1990s: 2312311990s2000s: 6556552000s2010s: 2,0902,0902010s2020s: 14,78014,7802020s
Incorporated per year, still live
02,0004,0006,0008,0002011: 7620112012: 1012013: 9020132014: 1242015: 14120152016: 1692017: 31920172018: 4012019: 58420192020: 6562021: 69320212022: 8082023: 1,10420232024: 1,6272025: 3,39720252026: 6,495

Location

Registered office in Cardiff, Wales.

Cardiff
Live companies in Cardiff53,764
Same activity in Cardiff274
New in Cardiff, past 12 months5,547

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.