GB · Company with significant control

Castle Top Holding Limited

Castle Top Holding Limited is recorded as a controlling entity on the Companies House register of people with significant control for 8 UK companies.

Register details

Facts

Name on the register
Castle Top Holding Limited
Type
Corporate entity
Registration number
12357407
Registered in
United Kingdom
Significant control now
8 UK companies
First notified
10 December 2019
Source
Companies House register of people with significant control, 20 September 2026

At a glance

Castle Top Holding Limited's companies

  • Castle Top Holding Limited holds 75% or more of the shares in 1 of the 8 companies listed below.
  • Main lines of business: information technology consultancy activities (3), activities of head offices (2) and activities of other holding companies n.e.c. (1).
  • Registered offices in London (8).
  • The companies were incorporated between 1966 and 2019.
  • 6 of the companies also list other people or companies with significant control.

These details come from the register as published on 20 September 2026. The register can change at any time: check the current entry live before relying on it.

Companies

Significant control now

UK companies that list Castle Top Holding Limited as a company with significant control, with the nature of that control as registered.

CompanyStatusIncorporatedTownBusinessNature of controlSince
CANYON UK INVESTMENTS LTD.
09062485 · Private Limited Company
Active29 May 2014LondonInformation technology consultancy activitiesOwns 75% or more of the shares; Holds 75% or more of the voting rights; Can appoint or remove a majority of the board of directors1 January 2021
CISION GROUP LIMITED
00874637 · Private Limited Company
Active22 March 1966LondonWeb portalsHas significant influence or control1 January 2021
PR NEWSWIRE BENELUX LIMITED
04094536 · Private Limited Company
Active23 October 2000LondonActivities of head officesHas significant influence or control1 January 2021
PR NEWSWIRE EUROPE LIMITED
01543272 · Private Limited Company
Active4 February 1981LondonActivities of head officesHas significant influence or control1 January 2021
PRIME RESEARCH UK LIMITED
06165420 · Private Limited Company
Active16 March 2007LondonOther business support service activities n.e.c.Has significant influence or control1 January 2021
PWW INTERNATIONAL LTD
09921214 · Private Limited Company
Active17 December 2015LondonInformation technology consultancy activitiesHas significant influence or control1 January 2021
PWW ACQUISITION INTERNATIONAL II LTD
09941848 · Private Limited Company
Active8 January 2016LondonInformation technology consultancy activitiesHas significant influence or control30 December 2020
CASTLE INTERMEDIATE HOLDING LIMITED
12357620 · Private Limited Company
Active10 December 2019LondonActivities of other holding companies n.e.c.Owns more than 50% but less than 75% of the shares; Holds more than 50% but less than 75% of the voting rights; Can appoint or remove a majority of the board of directors10 December 2019

Connections

Others with significant control of these companies

  • Gtcr Canyon Uk Investments LimitedCISION GROUP LIMITED
  • Pr Newswire Europe LimitedPR NEWSWIRE BENELUX LIMITED
  • Pww International LtdPR NEWSWIRE EUROPE LIMITED
  • Canyon Uk Investments LtdPRIME RESEARCH UK LIMITED
  • Canyon Uk Investments LimitedPWW INTERNATIONAL LTD

Explained

What significant control means

Every UK company must keep a register of the people with significant control over it and file it with Companies House. Someone has significant control if they own more than 25% of the shares or voting rights, can appoint or remove a majority of the board, or otherwise have significant influence or control. Companies can also be controlled through another company, which then appears on the register itself.

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