Company · London
Wall Street Systems UK LTD
Information technology consultancy activities
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 20
- Timothy James Ampstead 2015-2016 View profile
- Mandy Rutter 2013-2024 View profile
- Aram John Hoare 2012-2015 View profile
- Keith William Grehan 2011-2014 View profile
- Karl Jaeger 2006-2012 View profile
- Joel Ira Mandelbaum 2006-2011 View profile
- Paul Michael Wheeler 2004-2013 View profile
- Michele Fitzpatrick 2003-2006 View profile
- Sinikka Hannele Jarvinen 2002-2006 View profile
- Mark Dijon 1997-1998 View profile
- Kaj Hed 1995-2003 View profile
- Kari Makela 1995-2004 View profile
- Risto Uronen 1995-1997 View profile
- Neil Griffin 2021-2026 View profile
- Ashley Graham Woods 2014-2021 View profile
- Perttu Pessa 2006-2011 View profile
- Robert Bell 2005-2006 View profile
- Stephen-Hill Limited 2001-2005 View profile
- Dracliffe Company Services Limited 2000-2001 View profile
- Paul Marcus George Voller 1995-2000 View profile
Directors and secretaries as filed at Companies House.
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About
- What it does
- Information technology consultancy activities
- Incorporated
- 19/07/1995
- Registered office
- London
- Previous names
- Trema (U.K) Limited (until 03/04/2007)
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.
- Andrea Pignataro
significant influence · notified 2023-01-01
Group
- Wall Street Systems UK LTD
is controlled by Andrea Pignataro
Evidence
active significant influence · notified 2023-01-01 · source: Companies House PSC register
Ultimately controlled by Andrea Pignataro.
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- 13932836
- 11135444
- ION Capital Markets UK Limited
- Computasoft Research Limited
- Canops Limited
- Dealogic Japan Limited
- Caplin Group Limited
- The Technancial Company LTD
- I-Logic Technologies UK Limited
- Mergermarket Bidco Limited
- Fidessa BUY-Side Limited
- Backstop Solutions UK, LTD
- Modernelite Limited
- Computasoft Consulting Limited
- Capital NET Limited
- Fidessa Trading UK Limited
- Ffastfill Limited
- Aspect Enterprise Solutions Limited
- Open Link International Limited
- 11029577
- Credit Rubric Limited
- Fidessa Software Limited
- Patsystems Limited
- Orion Capital Structure Solutions UK Limited
- Acuris Bidco Limited
- Dealogic Americas Limited
- Acuris International Limited
- 12965796
- Patsystems (UK) Limited
- 08928795
- Mergermarket (Overseas) Limited
- Aphelion EFX Trading Limited
- Youdevise Limited
- Dealogic Apac Limited
- Diamond Midco Limited
- Junction RDS LTD
- Rolfe & Nolan Systems Limited
- Computasoft Employee Share Schemes Limited
- Hoxton Holdings Limited
- I-Logic Technologies Bidco Limited
- Ffastfill Europe Limited
- Diamond Topco Limited
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.
2 directors on the board
- Colm Casey Director · appointed 2024
- Paul Robert Evans Director · appointed 2014
Directors past 6 years
- Paul Robert Evans Director · appointed 2014
First-time vs portfolio directors
Portfolio (2)
- Colm Casey Director · appointed 2024
- Paul Robert Evans Director · appointed 2014
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.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 03081375
- Status
- Active
- Type
- Private Limited Company
- Accounts next due
- 30/09/2026
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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