Company
Tetra Tech Management Services Limited
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 22
- Timothy Arthur Holden 2014-2016 View profile
- Graham Dudley Olver 2009-2014 View profile
- David Charles Wilton 2009-2010 View profile
- Paul Christopher Hamer 2008-2010 View profile
- Clive Drummond Anderson 2008-2019 View profile
- Lawrence John Haynes 2007-2009 View profile
- David Graham Ward 2006-2011 View profile
- John Russell Peters 2006-2008 View profile
- Kieran Michael Rainsford 2006-2008 View profile
- David Leslie Duncalf 2006-2008 View profile
- Keith Durham Wood 2006-2008 View profile
- Peter Rowland Swift 2006-2011 View profile
- Paul Michael Dennison 2006-2011 View profile
- Michael Denis Evans 2006-2008 View profile
- John George Purvis 2006-2007 View profile
- John Philip Ashall 2003-2008 View profile
- Andrew Bertrand Longden Taylor 2003-2010 View profile
- Benjamin Warwick Whitworth 2011-2019 View profile
- Gareth George Arber 2010-2026 View profile
- Caroline Louise Farbridge 2008-2010 View profile
- Denis Patrick Connery 2006-2008 View profile
- Robert Hartley 2006-2009 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 23/06/2003
Ownership
Owned by (1) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- Tetra Tech Group Limited
75-100% shares, 75-100% voting · notified 2016-04-06
Group
- Tetra Tech Management Services Limited
is controlled by Tetra Tech Group Limited
Evidence
active 75-100% shares, 75-100% voting · notified 2016-04-06 · source: Companies House PSC register - Tetra Tech Group Limited
is controlled by Tetra Tech UK Consulting Group Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register - Tetra Tech UK Consulting Group Limited
is controlled by Tetra Tech UK Holdings Limited
Evidence
active 75-100% shares, 75-100% voting, appoints directors · notified 2019-07-09 · source: Companies House PSC register
Ultimately controlled by Tetra Tech UK Holdings Limited.
74 other companies in this group
- RPS Trustees Limited
- ECL Technology Limited
- NI020346
- ECL Resources Management, Limited
- R P S Group Limited
- Energy Innovations Limited
- Coffey Geotechnics Limited
- 06596951
- Tetra Tech RPS Energy Limited
- Emulous Limited
- Tetra Tech Consulting Limited
- Trench Farrow Limited
- Tetra Tech Europe Executive Services Limited
- Nuclear Decommissioning Limited
- Tetra Tech Environment Planning Transport Limited
- RPS Laboratories Limited
- Tetra Tech Environmental and Planning (Northern Ireland) Limited
- Hoare LEA Holdings Limited
- Isochrone Holdings Limited
- RPS Ireland Limited
- Hydrosearch Associates Limited
- Waste Management Research Limited
- Tetra Tech RPS Energy Consultants Limited
- 05111508
- FMW Consultancy LTD
- Signet Planning Limited
- Tetra Tech Consulting (NI) Limited
- Utility Technical Services Limited
- Geocon Group Services Limited
- Tetra Tech Limited
- 07092778
- North Associates (Cumbria) Limited
- Tetra Tech UK Limited
- RPS Group US Holdings Limited
- Geophysical Safety Resources Limited
- Tetra Tech Environmental Management Limited
- Hoare LEA Europe Limited
- Piteau Associates UK Limited
- Nautilus (Seaa) Limited
- R W Gregory Limited
- Nautilus Limited
- RPS Consultants Limited
- RPS Planning & Development Limited
- Arcadis Tetra Tech 1 Limited
- Tetra Tech International Development Europe Limited
- 06596966
- Tetra Tech Group Limited
- Basicshare Limited
- RPS Finance AAP Limited
- 10470582
Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.
Board analysis
Board DNA
How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
1 directors on the board
- Andrew James Gillespie Director · appointed 2010
Directors past 6 years
- Andrew James Gillespie Director · appointed 2010
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Gaps to watch
- A single director - no second pair of eyes on any decision
Where to look Suggested search: a second director to remove single-point control.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 04807864
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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