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Person
Andrew Brown Ritchie
Andrew Brown Ritchie is a director of 3 companies. Source: Companies House records.
Director at Cibus25 H2 LTD · Director at Diffusion Technologies Limited
- 3 current roles
- 10 previous roles
- Served alongside 87 people
Official record Companies House · updated 11th October 2026
Roles
13 roles across 13 organisations (3 current, 10 previous)Current roles (3)
-
Cibus25 H2 LTDDirector · 2025-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Cibus25 H2 LTD
- Role
- Director
- Appointed
- 2025-05-19
- Record reference
- Company 16458316
Current -
Diffusion Technologies LimitedDirector · 2025-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Diffusion Technologies Limited
- Role
- Director
- Appointed
- 2025-01-15
- Record reference
- Company 13274106
Current -
Cranworth Consulting LimitedDirector · 2014-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Cranworth Consulting Limited
- Role
- Director
- Appointed
- 2014-07-21
- Record reference
- Company 09139946
Current
Previous roles (10)
-
CLC Utility Holdings LimitedDirector · 2024
Official record · Companies House
- Source
- Companies House
- Organisation
- CLC Utility Holdings Limited
- Role
- Director
- Appointed
- 2024-05-01
- Ended
- 2024-07-31
- Record reference
- Company 13956743
Previous -
UPP Corporation LimitedDirector · 2021-2023
Official record · Companies House
- Source
- Companies House
- Organisation
- UPP Corporation Limited
- Role
- Director
- Appointed
- 2021-01-21
- Ended
- 2023-10-30
- Record reference
- Company 12442219
Previous -
Atmosclear Energy LTDDirector · 2020
Official record · Companies House
- Source
- Companies House
- Organisation
- Atmosclear Energy LTD
- Role
- Director
- Appointed
- 2020-03-30
- Ended
- 2020-06-16
- Record reference
- Company 08517142
Previous -
Lightspeed Networks LTDDirector · 2020
Official record · Companies House
- Source
- Companies House
- Organisation
- Lightspeed Networks LTD
- Role
- Director
- Appointed
- 2020-03-30
- Ended
- 2020-08-20
- Record reference
- Company 08671303
Previous -
Group Utilities LTDDirector · 2020
Official record · Companies House
- Source
- Companies House
- Organisation
- Group Utilities LTD
- Role
- Director
- Appointed
- 2020-03-30
- Ended
- 2020-06-23
- Record reference
- Company 08685481
Previous -
Lightspeed Broadband LimitedDirector · 2020
Official record · Companies House
- Source
- Companies House
- Organisation
- Lightspeed Broadband Limited
- Role
- Director
- Appointed
- 2020-03-30
- Ended
- 2020-08-20
- Record reference
- Company 12487672
Previous -
UK Water Industry Research LimitedDirector · 2018
Official record · Companies House
- Source
- Companies House
- Organisation
- UK Water Industry Research Limited
- Role
- Director
- Appointed
- 2018-07-26
- Ended
- 2018-09-30
- Record reference
- Company 02862807
Previous -
Major Projects AssociationDirector · 2014-2015
Official record · Companies House
- Source
- Companies House
- Organisation
- Major Projects Association
- Role
- Director
- Appointed
- 2014-02-01
- Ended
- 2015-11-10
- Record reference
- Company 02157656
Previous -
Currie & Brown UK LimitedDirector · 2013-2014
Official record · Companies House
- Source
- Companies House
- Organisation
- Currie & Brown UK Limited
- Role
- Director
- Appointed
- 2013-09-17
- Ended
- 2014-07-11
- Record reference
- Company 01300409
Previous
- Amey Rail LimitedDirector · 2005-2008Previous
Company roles, current and past, as filed at Companies House.
People Andrew has served alongside
87 people across 13 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.
UK Water Industry Research Limited 15 people · 2018-present
- Richard WarnefordServing together now · since 2018
- Steven Kaye2018
- Christopher David Newsome2018
- Dr Alison Jane Hoyle2018
- Dr Bob Stear2018
- Hans Jensen2018
- Helen Mary Grace Orton2018
- Joanne Elizabeth Harrison2018
- John Casey2018
- Mark John Worsfold2018
- Patrick John Brow2018
- Professor Anthony Christopher Robert Harrington2018
- Professor Simon Anthony Parsons2018
- Simon Nicholas Barnes2018
- Steve George2018
Currie & Brown UK Limited 13 people · 1993-present
- Sandra HoggServing together now · since 2013
- Andrew Alexander Loudon2013
- Brian Christopher Thorpe-Tracey2013-2014
- Simon Peter Lee2013-2014
- Stephen Gemmell2013-2014
- Stephen Graham Jessup2013-2014
- Alan Charles Curtis2000-2014 dates incomplete
- David Richard Derek Ainsley2000-2014 dates incomplete
- Douglas James Leedham2000-2014 dates incomplete
- Ronald George Valente2000-2014 dates incomplete
- Martin John Wade1999-2014 dates incomplete
- Brian George Wheeler1994-2014 dates incomplete
- Robert Sloan Hamilton1993-2014 dates incomplete
UPP Corporation Limited 13 people · 2021-present
- Julie AgnewServing together now · since 2023
- Mark David HardmanServing together now · since 2023
- Julia Louise BoyleServing together now · since 2023
- Eryl William Stafford2021-2023
- Marvin William Luttrell2021-2023
- Christopher Rickert Devereux2021-2023
- Nicolas Samer Slim2021-2023
- Robert James Campbell Easton2021-2023
- Peter Gerardus Johannes Kamphuis2021-2023
- Philippa Jane Dunn2021-2023
- Simon Anthony Roache2021
- Christopher James Powell2021
- Eryl William Stafford2021
- Sally Pryce2021
Amey Rail Limited 7 people · 2005-present
- Andrew Latham NelsonServing together now · since 2006
- Sherard Secretariat Services LimitedServing together now · since 2005
- Christopher Charles Webster2005-2008
- John Watson Teasdale Snowdon2005
- Jose Leo2005-2006
- Melvyn Ewell2005-2008
- Stephen John Helliwell2005-2008
Diffusion Technologies Limited 7 people · 2025-present
- John GreenServing together now · since 2026
- Nicholas Charles LakingServing together now · since 2025
- Kenelm George Comerford GreenServing together now · since 2025
- Martin Craig TurnerServing together now · since 2025
- Nicolaas Leonardus Christiaan RoemerServing together now · since 2025
- Peter Henry StarkServing together now · since 2025
- Stuart David Andrew WhiteheadServing together now · since 2025
Atmosclear Energy LTD 6 people · 2020-present
- Graham Robert BellServing together now · since 2020
- Harts LimitedServing together now · since 2020
- Alexander David Marshall2020
- Eryl William Stafford2020
- Henry Hugo Humphrey Sykes2020
- Wil Imran Wadsworth2020
Lightspeed Broadband Limited 4 people · 2020-present
- Harts LimitedServing together now · since 2020
- Eryl William Stafford2020
- Graham Robert Bell2020
- Wil Imran Wadsworth2020
Lightspeed Networks LTD 3 people · 2020-present
- Harts LimitedServing together now · since 2020
- Graham Robert Bell2020
- Wil Imran Wadsworth2020
Group Utilities LTD 3 people · 2020-present
- Graham Robert BellServing together now · since 2020
- Harts LimitedServing together now · since 2020
- Wil Imran Wadsworth2020
CLC Utility Holdings Limited 3 people · 2024-present
- Alan EnglandServing together now · since 2024
- Derek NorthropServing together now · since 2024
- Connor Jupp2024
Cibus25 H2 LTD 2 people · 2025-present
- Kenelm George Comerford GreenServing together now · since 2025
- Nicholas Charles LakingServing together now · since 2025
Cranworth Consulting Limited 1 person · 2014-present
- Nicola RitchieServing together now · since 2014
Major Projects Association 23 people · 1992-2015
- Anna Marie Stewart2015
- Murray Simpson Easton2014-2015
- Claire Michelle Gordon2014-2015
- David Arthur Smith2014-2015
- Graham Edward Dalton2014-2015
- Laurence, Timothy James Hamilton, Vice Admiral Sir2014-2015
- Michael Ian Robertson2014-2015
- Prof Denise Ann Bower2014-2015
- Sally Jean Roe2014-2015
- Simon Neil Kirby2014-2015
- Simon Webb2014-2015
- David Suratgar2012-2015 dates incomplete
- Glyndwr Pritchard2009-2015 dates incomplete
- Kenneth Turnbull2000-2015 dates incomplete
- Derek Charles Fraser1997-2015 dates incomplete
- Terence Heath Lewis1997-2015 dates incomplete
- David John Hall1997-2015 dates incomplete
- Allen Sykes1995-2015 dates incomplete
- Sir Nigel Cooper Thompson1995-2015 dates incomplete
- Sydney Hugh Lawrence1994-2015 dates incomplete
- Sir Alistair Gilchrist Frame1993-2015 dates incomplete
- Graham Stanley Galer1993-2015 dates incomplete
- John Dean1992-2015 dates incomplete
Sources
- Companies House
- Officer appointments and resignations.
- Edition
- Register edition compiled 11th October 2026
- Identity
- Records are treated as the same person only where the evidence confirms it. How people are matched
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