opendata.bot
Company number
06254134

ARGONAUT SYSTEMS LTD

Active
✓ Active company on the official register. Next accounts due 28 February 2027.

Company details

Wales, Wales Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
ARGONAUT SYSTEMS LTD
Company number
06254134
Registered office
FLOOR 2 CAPITAL TOWER, GREYFRIARS ROAD, CARDIFF, CF10 3AG, WALES · 27 other companies at this postcode
Company type
Private Limited Company
Incorporated on
21 May 2007
Status
Active
Age
19 years
Nature of business (SIC)
62012 — Business and domestic software development
Accounts — next due
28 Feb 2027
Accounts — last made up to
31 May 2025
Confirmation statement — next due
15 May 2027
Confirmation statement — last
01 May 2026

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Mr Stephen Christopher Coleman
owns 25–50% of shares
Notified 22/05/2016

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Stephen Christopher Coleman
born 12/1976 · Wales owns 25–50% of shares Control ended 20/12/2021 Controls 3 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
20/12/2021 Person with significant control ceased Mr Stephen Christopher Coleman
22/05/2016 Person with significant control added Mr Stephen Christopher Coleman

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024
Total assets less current liabilities 617
▲ 7.1%
576
Net assets 617
▲ 7.1%
576
Employees (avg) 4

Documents for ARGONAUT SYSTEMS LTD

Need this one company on file? Buy the document on its own — no plan required.

Company extract£1.99

The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.

PDF Order
Financial statements£3.99

Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.

PDF + CSV Order
Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

PDF Order

Data protection register

No entry found on the ICO register of fee payers under this name.

Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.

Get this company via API

Every field on this page is available as structured JSON behind one endpoint and one API key.

GET /v1/company/gb/06254134
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of ARGONAUT SYSTEMS LTD?
According to the official registry, the company number of ARGONAUT SYSTEMS LTD is 06254134.
Where is ARGONAUT SYSTEMS LTD registered?
The registered office is FLOOR 2 CAPITAL TOWER, GREYFRIARS ROAD, CARDIFF, CF10 3AG, WALES.
What is the SIC code of ARGONAUT SYSTEMS LTD?
The nature of business is recorded under SIC code 62012 — Business and domestic software development.
Who controls ARGONAUT SYSTEMS LTD?
Mr Stephen Christopher Coleman is recorded as a person with significant control, and owns 25–50% of shares.
When are the next accounts of ARGONAUT SYSTEMS LTD due?
The next annual accounts are due by 28 February 2027, and the last accounts were made up to 31 May 2025.

About ARGONAUT SYSTEMS LTD (06254134)

ARGONAUT SYSTEMS LTD is a private limited company incorporated on 21 May 2007 and registered in the United Kingdom under company number 06254134. Its registered office is at FLOOR 2 CAPITAL TOWER, GREYFRIARS ROAD, CARDIFF, CF10 3AG, WALES. The recorded nature of business is business and domestic software development (SIC 62012). The company is currently active , with statutory accounts last made up to 31 May 2025. , and the person with significant control is Mr Stephen Christopher Coleman. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

Business and domestic software development across UK registers

The same sector and the same company, seen through every register we hold

Explore by sector

Every UK company records what it does as a SIC code — browse the sectors around this one.