opendata.bot
Company number
05921027

OPEN SYSTEM SOLUTIONS LIMITED

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

Company details

South East, England 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
OPEN SYSTEM SOLUTIONS LIMITED
Company number
05921027
Registered office
UNIT 33 MITCHELL POINT ENSIGN WAY, HAMBLE, SOUTHAMPTON, HAMPSHIRE, SO31 4RF · 97 other companies at this postcode
Company type
Private Limited Company
Incorporated on
31 August 2006
Status
Active
Age
20 years
Previous names
OPEN SYSTEMS SOLUTIONS LIMITED (to 25 Sept 2006)
Nature of business (SIC)
26120 — Manufacture of loaded electronic boards · 62090 — Other information technology service activities
Accounts — next due
28 Feb 2027
Accounts — last made up to
31 May 2025
Confirmation statement — next due
13 Aug 2027
Confirmation statement — last
30 Jul 2026

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

People with significant control

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

Mr Iain Mcinnes
owns 25–50% of shares
Notified 06/04/2016
Mr Laurence Leon Sigournay
owns 25–50% of shares
Notified 06/04/2016
Mr Steven Charles Brown
owns 25–50% of shares
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

3 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Iain Mcinnes
born 03/1951 · England owns 25–50% of shares Notified 06/04/2016 Controls 17 companies
Mr Laurence Leon Sigournay
born 07/1964 · England owns 25–50% of shares Notified 06/04/2016
Mr Steven Charles Brown
born 01/1962 · England owns 25–50% of shares Notified 06/04/2016 Controls 2 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
06/04/2016 Person with significant control added Mr Steven Charles Brown
06/04/2016 Person with significant control added Mr Laurence Leon Sigournay
06/04/2016 Person with significant control added Mr Iain Mcinnes
25/09/2006 Registered name changed OPEN SYSTEMS SOLUTIONS LIMITED OPEN SYSTEM SOLUTIONS LIMITED

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 794
▲ 13.0%
703
Net assets 738
▲ 20.3%
613
Employees (avg) 6
▲ 50.0%
4

Documents for OPEN SYSTEM SOLUTIONS LIMITED

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.

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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

Registered with the Information Commissioner's Office as a data protection fee payer.

Open System Solutions Limited — SO31 4RF
Tier 1 · renews 02/11/2026
ICO entry

The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.

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/05921027
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of OPEN SYSTEM SOLUTIONS LIMITED?
According to the official registry, the company number of OPEN SYSTEM SOLUTIONS LIMITED is 05921027.
Where is OPEN SYSTEM SOLUTIONS LIMITED registered?
The registered office is UNIT 33 MITCHELL POINT ENSIGN WAY, HAMBLE, SOUTHAMPTON, HAMPSHIRE, SO31 4RF.
What is the SIC code of OPEN SYSTEM SOLUTIONS LIMITED?
The nature of business is recorded under SIC code 26120 — Manufacture of loaded electronic boards, 62090 — Other information technology service activities.
Who controls OPEN SYSTEM SOLUTIONS LIMITED?
Mr Iain Mcinnes is recorded as a person with significant control, and owns 25–50% of shares.
When are the next accounts of OPEN SYSTEM SOLUTIONS LIMITED due?
The next annual accounts are due by 28 February 2027, and the last accounts were made up to 31 May 2025.

About OPEN SYSTEM SOLUTIONS LIMITED (05921027)

OPEN SYSTEM SOLUTIONS LIMITED is a private limited company incorporated on 31 August 2006 and registered in the United Kingdom under company number 05921027. Its registered office is at UNIT 33 MITCHELL POINT ENSIGN WAY, HAMBLE, SOUTHAMPTON, HAMPSHIRE, SO31 4RF. The recorded nature of business is manufacture of loaded electronic boards (SIC 26120). The company is currently active , with statutory accounts last made up to 31 May 2025. , and the person with significant control is Mr Iain Mcinnes. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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