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Company number
05350457

WHITEBOX ARCHITECTURE LIMITED

Active
✓ Active company on the official register. Next accounts due 31 December 2026.

Company details

North West, 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
WHITEBOX ARCHITECTURE LIMITED
Company number
05350457
Registered office
SUITE 9 TO 25, KING STREET, KNUTSFORD, WA16 6DW, ENGLAND · 67 other companies at this postcode
Company type
Private Limited Company
Incorporated on
2 February 2005
Status
Active
Age
21 years
Nature of business (SIC)
70100 — Activities of head offices
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
29 Mar 2027
Confirmation statement — last
15 Mar 2026

People with significant control

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

Katy Armstrong
owns 25–50% of shares · holds 25–50% of voting rights
Notified 12/04/2016
Mr Ivor William Smits
owns 50–75% of shares · holds 50–75% of voting rights · can appoint and remove directors
Notified 01/11/2024
Mr Phillip John Armstrong
owns 50–75% of shares
Notified 06/04/2016
Mrs Kathryn Smits
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 01/11/2024

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Mr Ivor William Smits
born 05/1981 · United Kingdom owns 50–75% of shares · holds 50–75% of votes · can appoint and remove directors Notified 01/11/2024
Mrs Kathryn Smits
born 08/1981 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Notified 01/11/2024
Katy Armstrong
born 05/1980 · England owns 25–50% of shares · holds 25–50% of votes Control ended 01/11/2024
Mr Phillip John Armstrong
born 06/1971 · England owns 50–75% of shares Control ended 12/12/2023

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
01/11/2024 Person with significant control ceased Katy Armstrong
01/11/2024 Person with significant control added Mrs Kathryn Smits
01/11/2024 Person with significant control added Mr Ivor William Smits
12/12/2023 Person with significant control ceased Mr Phillip John Armstrong
12/04/2016 Person with significant control added Katy Armstrong
06/04/2016 Person with significant control added Mr Phillip John Armstrong

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 167
▲ 55.4%
107
Net assets 128
▲ 36.3%
94
Employees (avg) 5 5

Documents for WHITEBOX ARCHITECTURE LIMITED

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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.

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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.

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Data protection register

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

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Frequently asked questions

What is the company number of WHITEBOX ARCHITECTURE LIMITED?
According to the official registry, the company number of WHITEBOX ARCHITECTURE LIMITED is 05350457.
Where is WHITEBOX ARCHITECTURE LIMITED registered?
The registered office is SUITE 9 TO 25, KING STREET, KNUTSFORD, WA16 6DW, ENGLAND.
What is the SIC code of WHITEBOX ARCHITECTURE LIMITED?
The nature of business is recorded under SIC code 70100 — Activities of head offices.
Who controls WHITEBOX ARCHITECTURE LIMITED?
Katy Armstrong is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights.
When are the next accounts of WHITEBOX ARCHITECTURE LIMITED due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About WHITEBOX ARCHITECTURE LIMITED (05350457)

WHITEBOX ARCHITECTURE LIMITED is a private limited company incorporated on 2 February 2005 and registered in the United Kingdom under company number 05350457. Its registered office is at SUITE 9 TO 25, KING STREET, KNUTSFORD, WA16 6DW, ENGLAND. The recorded nature of business is activities of head offices (SIC 70100). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Katy Armstrong. 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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