The red node is Mark. Pale nodes are charities, grey nodes are companies, and darker grey nodes are the people who sit on them. Dashed links are historical or inferred. Click any node to explore.
Person
Mark Clouston Wallace
Mark Clouston Wallace is a trustee of The Keepers and Governors of the Possessions, Revenues and Goods of the Free Grammar School of John Lyon, Within the Town of Harrow-on-the-Hill (since 2022) and a director of 5 companies. Source: Companies House and Charity Commission records.
Director at Working Energy Limited · Trustee at The Keepers and Governors of the Possessions, Revenues and Goods of the Free Grammar School of John Lyon, Within the Town of Harrow-on-the-Hill
- 7 current roles
- 4 previous roles
- Served alongside 78 people
Official record Companies House and Charity Commission · updated 18th October 2026
Roles
11 roles across 9 organisations (7 current, 4 previous)Current roles (7)
-
Working Energy LimitedDirector · 2023-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Working Energy Limited
- Role
- Director
- Appointed
- 2023-03-06
- Record reference
- Company 14707632
Current -
The Keepers and Governors of the Possessions, Revenues and Goods of the Free Grammar School of John Lyon, Within the Town of Harrow-on-the-HillTrustee · 2022-present
Official record · Charity Commission
- Source
- Charity Commission
- Organisation
- The Keepers and Governors of the Possessions, Revenues and Goods of the Free Grammar School of John Lyon, Within the Town of Harrow-on-the-Hill
- Role
- Trustee
- Appointed
- 2022-11-26
- Record reference
- Charity 310033
Current -
Weil Holdings LimitedDirector · 2021-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Weil Holdings Limited
- Role
- Director
- Appointed
- 2021-10-20
- Record reference
- Company SC712719
Current -
Hrossey Investments LimitedDirector · 2013-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Hrossey Investments Limited
- Role
- Director
- Appointed
- 2013-03-28
- Record reference
- Company 08466514
Current -
Birsay Energy LimitedDirector · 2000-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Birsay Energy Limited
- Role
- Director
- Appointed
- 2000-03-15
- Record reference
- Company 03948272
Current -
Birsay Energy LimitedSecretary · 2000-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Birsay Energy Limited
- Role
- Secretary
- Appointed
- 2000-03-15
- Record reference
- Company 03948272
Current -
Datoma LTDDirector · 1999-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Datoma LTD
- Role
- Director
- Appointed
- 1999-01-29
- Record reference
- Company 03704497
Current
Previous roles (4)
-
59 North LimitedDirector · 2015-2022
Official record · Companies House
- Source
- Companies House
- Organisation
- 59 North Limited
- Role
- Director
- Appointed
- 2015-05-18
- Ended
- 2022-11-28
- Record reference
- Company 09596069
Previous -
59 North LimitedSecretary · 2015-2022
Official record · Companies House
- Source
- Companies House
- Organisation
- 59 North Limited
- Role
- Secretary
- Appointed
- 2015-05-18
- Ended
- 2022-10-28
- Record reference
- Company 09596069
Previous -
Aysgarth School Trust LimitedDirector · 2012-2022
Official record · Companies House
- Source
- Companies House
- Organisation
- Aysgarth School Trust Limited
- Role
- Director
- Appointed
- 2012-09-01
- Ended
- 2022-11-07
- Record reference
- Company 00898078
Previous -
Analyst Investments LimitedDirector · 2005-2007
Official record · Companies House
- Source
- Companies House
- Organisation
- Analyst Investments Limited
- Role
- Director
- Appointed
- 2005-02-16
- Ended
- 2007-03-01
- Record reference
- Company 03687441
Previous
Charity trustee roles come from the current Charity Commission register, which lists serving trustees only. Company roles, current and past, come from Companies House.
People Mark has served alongside
78 people across 9 organisationsBased on overlapping official board records. Calculated from official records It does not mean they know each other. Only formal co-service is listed: people are never joined on a matching name alone.
The Keepers and Governors of the Possessions, Revenues and Goods of the Free Grammar School of John Lyon, Within the Town of Harrow-on-the-Hill 22 people · 2022-present
- Andrew Butler KCServing together now · since 2022
- Anna Paola Porcella da Silveira PinheiroServing together now · since 2022
- Caroline Elizabeth ArtisServing together now · since 2022
- Charles Hubert GallagherServing together now · since 2022
- David Geoffrey Philip Eyton CBE FrengServing together now · since 2022
- Dr David Alexander TaylorServing together now · since 2022
- Dr David James PayneServing together now · since 2022
- Dr Shenila Vivek RawalServing together now · since 2022 Likely the same person
- General Sir Charles Roland Vincent WalkerServing together now · since 2022
- Heyrick John Rufus Bond GunningServing together now · since 2022
- James Christopher SeppalaServing together now · since 2022
- James Philip John GloverServing together now · since 2022
- Judith Rowena Murray BA Oxon KCServing together now · since 2022
- Liam James HalliganServing together now · since 2022
- Melvin Leon MrowiecServing together now · since 2022
- Neil James EnrightServing together now · since 2022
- Peter Adrian FerrariServing together now · since 2022
- Professor Daniel Gordon AltshulerServing together now · since 2022
- Sally Kathleen Mcnair ScottServing together now · since 2022 Likely the same person
- Sir Jonathan Richard SymondsServing together now · since 2022
- Stephanie Margaret PalmerServing together now · since 2022
- Timothy Montfort BoucherServing together now · since 2022
Birsay Energy Limited 5 people · 2000-present
- Richard GauldServing together now · since 2007
- David Clouston Wallace2007-2025
- Bradshaw2000-2007
- David Stuart Mentz2000-2007
- Patrick Julian Hickey2000
Datoma LTD 2 people · 1999-present
- David Stuart MentzServing together now · since 1999
- Thomas Robert John Gorry BrownServing together now · since 1999
Hrossey Investments Limited 2 people · 2013-present
- Laura WallaceServing together now · since 2013
- David Clouston Wallace2013-2025
Working Energy Limited 2 people · 2023-present
- Richard GauldServing together now · since 2023
- David Clouston Wallace2023-2025
Weil Holdings Limited 1 person · 2021-present
- David Alexander NeilServing together now · since 2021
Aysgarth School Trust Limited 37 people · 1990-2022
- Antonia Consett2022
- Robert James Brooksbank2022
- Claire Lorraine Faithorn Cadogan2021-2022
- Victoria Sian Savile2021-2022
- Alastair William Martin Land2018-2022
- Sarah Guthe2017-2022
- Thomas Edmund Justin Nolan2017-2022
- James Luke Bourne-Arton2017-2022
- Peter John Stuart Thompson2017-2022
- Lucinda Mary Hoskyns-Abrahall2015-2022
- Christy York2015-2022
- KAY-Shuttleworth, William James, Hon2015-2019
- Rebecca Jane Falkingham2015-2018
- Bennet Mansel Leigh Hoskyns-Abrahall2014-2022
- Melissa Ann Bowring2014-2022
- David James Christian Faber2012-2022
- Dr Andrew Louis Hamilton Gailey2012-2017
- James Bruce Hawkins2012-2018
- James Mark Ptarmigan Douglas Stroyan2012-2018
- Katharine Alexandra Fenwick2012-2017
- Lady Sarah Helen Macandrew2012-2015
- Revd Simon Neil Austen2012-2015
- Richard Brooking Trant2012
- Robert Alexander Dickinson2012-2017
- Sarah Lucy Louise Linzee Gordon2012-2014
- Toby John Stephenson2012-2017
- William James Roe2012-2022
- Honourable Elizabeth Susan Cunliffe-Lister2002-2022 dates incomplete
- Phillipa Anne Ord-Powlett2002-2022 dates incomplete
- Sir Anthony Frederick Milbank Bart1995-2022 dates incomplete
- Robert John Sale1994-2022 dates incomplete
- Christopher William Robson1994-2022 dates incomplete
- Isabel Mary Paton1992-2022 dates incomplete
- Henry Stuart Ramsay Watson1992-2022 dates incomplete
- Malcolm Graham Strang Steel1991-2022 dates incomplete
- Brian Stanley Raper1990-2022 dates incomplete
- William Drewett Chaytor1990-2022 dates incomplete
Analyst Investments Limited 10 people · 2005-2007
- Bharat Amin2005-2007
- Robert Ernest Lambourne2005-2007
- Ade Jonathan Roberts2005-2007
- Andrew David Barrett2005-2006
- Bbr Secretaries Limited2005
- Jeremy Charles Utton2005
- Keith Richard Ashworth-Lord2005
- Michael Stuart Kenyon2005
- Paul Melvin Heydon2005
- Richard Graham Prime2005
59 North Limited 1 person · 2019-2022
- James Robert Ian Mcintosh2019-2022
- James Robert Ian Mcintosh2019-2022
People marked “Likely the same person” are reached through a record that is a likely relationship to Mark: there is sufficient evidence to suggest it concerns the same individual, but it is not established as confirmed.
Sources
- Companies House
- Officer appointments and resignations.
- Charity Commission
- Register of Charities: current trustees and appointment dates.
- Edition
- Register edition compiled 18th October 2026
- Identity
- Records are treated as the same person only where our identity-matching rules support it. Confirmed relationships are supported by the approved identity-matching evidence and rules. Likely relationships are supported by sufficient evidence to suggest the records concern the same individual, but are not established as confirmed; they are shown with the label “Likely the same person”. How people are matched
Report an issue with this record · How we handle data · Object or ask for removal