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Costar UK Limited

Costar UK Limited is an active UK company (number 01789170), incorporated 1984, with 3 current directors including Robin Jack Rossmann and Frank Simuro. Source: Companies House, updated 4th October 2026.

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Official record Companies House · updated 4th October 2026 · Sources

Network

The large node is Costar UK Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 30

  1. Giles Robert Newman 2013-2018 Director View profile
  2. Simon Paul Law 2012-2014 Director View profile
  3. Eric Robinson 2009-2012 Director View profile
  4. Simon Anthony Durkin 2008-2010 Director View profile
  5. Brian Radecki 2007-2015 Director View profile
  6. Colin Barber 2007-2008 Director View profile
  7. Paul Nicholas Campbell Marples 2007-2013 Director View profile
  8. Matthew Barnaby Green 2003-2024 Director View profile
  9. Matthew Jonathan Rooke Hopkinson 2003-2007 Director View profile
  10. Frank Anthony Carchedi 2003-2007 Director View profile
  11. Jan Thompson 2001-2003 Director View profile
  12. Adrian Howard Martin 2001-2003 Director View profile
  13. Jeremy Douglas Carr-Smith 1999-2009 Director View profile
  14. Peter John Melville 1998-1999 Director View profile
  15. Peter Benjamin Whitby 1998-2001 Director View profile
  16. Christian Guy 1997-2003 Director View profile
  17. Trevor Stanley Barratt 1997-2003 Director View profile
  18. Jonathan Michael Bray 1997-2007 Director View profile
  19. William Hamilton 1997-1998 Director View profile
  20. George Anthony Twentyman Turnbull 1996-2003 Director View profile
  21. Inger Mehlsen 1996-2001 Director View profile
  22. Andrew Heselgrave 1994-1998 Director View profile
  23. Robert William Ashburnham Swannell 2001 Director View profile
  24. Geoffrey Kent Dowsett Marsh 1994 Director View profile
  25. Jonathan Michael Lever Stone 1998 Director View profile
  26. Neville Simeon Conrad 2003 Director View profile
  27. Ralph Thomas Ludwig Kanter 1994 Director View profile
  28. William Horace Adams 1994 Director View profile
  29. RB Secretariat Limited 2003-2003 Corporate-secretary View profile
  30. Michael John Lothian Nicholson 2001-2003 Secretary View profile

Directors and secretaries as filed at Companies House.

Do you help lead this organisation? Set up its network · How it works

Public contracts won

4 contracts · £60,386 total

From Contracts Finder and Find a Tender, the UK Government's public procurement notices, under the Open Government Licence v3.0. Matched to this organisation by company number, charity number or exact name and postcode; every figure links to its source notice.

  • Digital Intelligence Platform for the Commercial Property Market Buyer: City of York Council £11,280 2026-06-25 Source: Find a Tender

    The City of York Council Requires a digital intelligence platform that provides detailed insight into the commercial property market across York and the wider region. The system brings together key market data, including rental levels, inve…

  • CoStar Licences for 1 Year for real estate data Buyer: NHS PROPERTY SERVICES LIMITED £49,106 2025-09-30 CPV 48000000 Source: Contracts Finder

    Real Estate information platform

  • Homes England - Commercial Real Estate Performance Database Buyer: Homes England Value not published Date not published Source: Find a Tender

    Provision of access to a fully integrated single platform of data related to commercial property markets nationally, enabling an analysis of performance at a building, sub-market (Local Authority) and market level.

  • Commercial Property Analytics Platform Buyer: London Borough of Hammersmith and Fuham (LBHF) Value not published Date not published Source: Find a Tender

    The London Borough of Hammersmith and Fulham Council is seeking to procure a Commercial Property Analytics Platform. The platform will be required to provide user licences and must offer advanced search and mapping tools, comprehensive prop…

About

Incorporated
06/02/1984

Group

No further corporate or individual controller is recorded above Costar UK Limited on the PSC register - it appears to be the top of its group.

4 other companies in this group

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.

3 directors on the board

15.7y median 19y
average tenure
23.5y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (2)

Portfolio (1)

0
also govern a charity
0
left in the last 12 months

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.

Tech and media 3Finance 1

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

  • Several long-serving directors could step down together

Where to look Suggested search: succession planning for long-tenured seats.

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
01789170
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 4th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data