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Company number
07824836

CASTLEGATE I.T. LIMITED

Active
✓ Active company on the official register. Next accounts due 30 September 2026.

Company details

Registered name
CASTLEGATE I.T. LIMITED
Company number
07824836
Registered office
BLAKE HOUSE, 18 BLAKE STREET, YORK, YO1 8QG, ENGLAND
Company type
Private Limited Company
Incorporated on
26 October 2011
Status
Active
Age
14 years
Nature of business (SIC)
62090 — Other information technology service activities
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
09 Nov 2026
Confirmation statement — last
26 Oct 2025

People with significant control

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

Louisa Frances Waite Machado
owns 25–50% of shares
Notified 06/03/2019
Mr Andrew John Reading
owns 25–50% of shares · holds 25–50% of voting rights
Notified 06/03/2019
Mr James Joseph Semlyen
owns 50–75% of shares · holds 50–75% of voting rights
Notified 01/10/2016

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 Andrew John Reading
born 07/1987 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Notified 06/03/2019
Mr James Joseph Semlyen
born 01/1968 · England owns 50–75% of shares · holds 50–75% of votes Notified 01/10/2016
Louisa Frances Waite Machado
born 08/1964 · United Kingdom owns 25–50% of shares Control ended 06/03/2019

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
06/03/2019 Person with significant control ceased Louisa Frances Waite Machado
06/03/2019 Person with significant control added Mr Andrew John Reading
06/03/2019 Person with significant control added Louisa Frances Waite Machado
01/10/2016 Person with significant control added Mr James Joseph Semlyen

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 75
▲ 42.5%
53
Net assets 66
▲ 68.9%
39
Employees (avg) 9 9

Documents for CASTLEGATE I.T. 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

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

Castlegate I.T. Limited — YO1 8QG
Trading as SEMLYEN IT
Tier 1 · renews 21/06/2027
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

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Frequently asked questions

What is the company number of CASTLEGATE I.T. LIMITED?
According to the official registry, the company number of CASTLEGATE I.T. LIMITED is 07824836.
Where is CASTLEGATE I.T. LIMITED registered?
The registered office is BLAKE HOUSE, 18 BLAKE STREET, YORK, YO1 8QG, ENGLAND.
What is the SIC code of CASTLEGATE I.T. LIMITED?
The nature of business is recorded under SIC code 62090 — Other information technology service activities.
Who controls CASTLEGATE I.T. LIMITED?
Louisa Frances Waite Machado is recorded as a person with significant control, and owns 25–50% of shares.
When are the next accounts of CASTLEGATE I.T. LIMITED due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About CASTLEGATE I.T. LIMITED (07824836)

CASTLEGATE I.T. LIMITED is a private limited company incorporated on 26 October 2011 and registered in the United Kingdom under company number 07824836. Its registered office is at BLAKE HOUSE, 18 BLAKE STREET, YORK, YO1 8QG, ENGLAND. The recorded nature of business is other information technology service activities (SIC 62090). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Louisa Frances Waite Machado. 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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