GB · Person with significant control

John Sydenham Whitelock

John Sydenham Whitelock is recorded on the Companies House register of people with significant control for 7 UK companies.

Register details

Facts

Name on the register
Mr John Sydenham Whitelock
Type
Individual
Nationality
British
Country of residence
United Kingdom
Year of birth
1949
Significant control now
7 UK companies
Earlier significant control
6 UK companies
First notified
6 April 2016
Source
Companies House register of people with significant control, 20 September 2026

At a glance

John Sydenham Whitelock's companies

  • John Sydenham Whitelock owns 75% or more of the shares in 2 of the 7 companies listed below.
  • Main lines of business: renting and operating of housing association real estate (3), activities of head offices (1) and construction of commercial buildings (1).
  • Registered offices in Poole (4), Bournemouth (1) and Dorset (1).
  • The companies were incorporated between 1936 and 2025.
  • 3 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 John Sydenham Whitelock as a person with significant control, with the nature of that control as registered.

CompanyStatusIncorporatedTownBusinessNature of controlSince
SAMPHIRE MANAGEMENT LIMITED
16919289 · PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Active18 December 2025RingwoodResidents property managementOwns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights18 December 2025
BOURNE HOLDINGS
00321484 · Private Unlimited Company
Active3 December 1936DorsetRenting and operating of Housing Association real estateOwns 75% or more of the shares; Holds 75% or more of the voting rights; Can appoint or remove a majority of the board of directors6 April 2016
BOURNE MANAGEMENT SERVICES LIMITED
07528098 · Private Limited Company
Active14 February 2011BournemouthOther business support service activities n.e.c.Owns more than 25% but not more than 50% of the shares; Holds 75% or more of the voting rights; Can appoint or remove a majority of the board of directors6 April 2016
HOYLE & CO (BOURNEMOUTH) LIMITED
00546723 · Private Limited Company
Active29 March 1955PooleRenting and operating of Housing Association real estateOwns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights6 April 2016
J.M.HARDING & PARTNERS LIMITED
00662311 · Private Limited Company
Active16 June 1960PooleRenting and operating of Housing Association real estateOwns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights6 April 2016
WHITELOCK & COMPANY LIMITED
03193922 · Private Limited Company
Active2 May 1996PooleConstruction of commercial buildingsOwns 75% or more of the shares6 April 2016
WHITELOCK INVESTMENTS
00315256 · Private Unlimited Company
Active15 June 1936PooleDevelopment of building projects; Activities of head officesOwns more than 50% but less than 75% of the shares; Holds more than 50% but less than 75% of the voting rights6 April 2016

History

Earlier significant control

Companies where John Sydenham Whitelock was registered as having significant control, and no longer is.

CompanyNature of controlFromUntil
HAWKHURST MANAGEMENT LIMITED
14154861 · PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Owns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights7 June 202226 September 2024
PENN PINES MANAGEMENT LIMITED
12674700 · PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Owns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights16 June 20205 May 2022
WINDWARD MANAGEMENT LIMITED
12277176 · PRI/LTD BY GUAR/NSC (Private, limited by guarantee, no share capital)
Owns more than 25% but not more than 50% of the shares; Holds more than 25% but not more than 50% of the voting rights23 October 201929 November 2021
THE SANCTUM MANAGEMENT LIMITED
10733944 · Private Limited Company
Has significant influence or control21 April 20173 September 2018
SENLAN SECURITIES LIMITED
01025861 · Private Limited Company
Owns more than 25% but not more than 50% of the shares, as a trustee of a trust; Holds more than 25% but not more than 50% of the voting rights6 April 201626 July 2023
THE CUTTINGS 2014 LIMITED
09042870 · Private Limited Company
Owns 75% or more of the shares; Holds 75% or more of the voting rights; Can appoint or remove a majority of the board of directors6 April 201619 August 2019

Connections

Others with significant control of these companies

  • Josh Sydenham Kennedy WhitelockSAMPHIRE MANAGEMENT LIMITED

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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