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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Humphrey, Simon Thomas

    Related profiles found in government register
  • Humphrey, Simon Thomas

    Registered addresses and corresponding companies

    • icon of address York Biotech Campus, Sand Hutton, York, YO41 1LZ, England

      IIF 1
  • Humphrey, Simon Thomas
    British

    Registered addresses and corresponding companies

    • icon of address 74 St Margaret's Road, Twickenham, Middlesex, TW1 2LP

      IIF 2
  • Humphrey, Simon Thomas
    British director

    Registered addresses and corresponding companies

    • icon of address 74 St Margaret's Road, Twickenham, Middlesex, TW1 2LP

      IIF 3
  • Humphrey, Simon Thomas
    British born in June 1966

    Resident in England

    Registered addresses and corresponding companies

    • icon of address York Biotech Campus, Sand Hutton, York, YO41 1LZ, England

      IIF 4 IIF 5
  • Humphrey, Simon Thomas
    British accountant born in June 1966

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 74 St Margaret's Road, Twickenham, Middlesex, TW1 2LP

      IIF 6 IIF 7
  • Humphrey, Simon Thomas
    British director born in June 1966

    Resident in England

    Registered addresses and corresponding companies

    • icon of address C/o Smith & Williamson Llp, 25 Moorgate, London, EC2R 6AY

      IIF 8 IIF 9

    • icon of address 74 St Margaret's Road, Twickenham, Middlesex, TW1 2LP

      IIF 10

    • icon of address C/o Modern Water Plc, York Biotech Campus, Sand Hutton, York, YO41 1LZ, England

      IIF 11

    • icon of address York Biotech Campus, Sand Hutton, York, YO41 1LZ, England

      IIF 12 IIF 13 IIF 14
  • Humphrey, Simon Thomas
    British born in June 1966

    Resident in United Kingdom

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments
Active 16
  • 1
    COGENT ENVIRONMENTAL LIMITED - 2012-10-17
    JETSTREAM TRADING LIMITED - 2008-10-01
    MODERN WATER MONITORING LIMITED - 2019-08-02
    icon of address C/o Smith & Williamson Llp, 25 Moorgate, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2011-02-02 ~ dissolved
    IIF 8 - Director → ME
  • 2
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 24 - Director → ME
  • 3
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 28 - Director → ME
  • 4
    HYDRO RESEARCH & DEVELOPMENT (UK) LIMITED - 1985-11-01
    HRD LTD - 2004-01-16
    HYDRO RESEARCH & DEVELOPMENT LIMITED - 1997-09-01
    H.R.D. LIMITED - 1997-09-12
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 20 - Director → ME
  • 5
    AQUAFINE ENGINEERING SERVICES LIMITED - 1998-05-19
    WATERLINK (UK) LIMITED - 2002-07-19
    VEXAMUS WATER LIMITED - 2009-05-16
    ANGLIAN ENGINEERING SERVICES LIMITED - 1993-05-10
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 30 - Director → ME
  • 6
    HYDRO-LOGIC SERVICES (INTERNATIONAL) LIMITED - 2024-01-10
    HRD (ASIA PACIFIC) LTD - 2016-03-11
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents, 2 offsprings)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 19 - Director → ME
  • 7
    M. & N. ELECTRICAL AND MECHANICAL SERVICES LIMITED - 2024-01-10
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 22 - Director → ME
  • 8
    OUSTSTAR LIMITED - 1982-04-19
    HYDRO INTERNATIONAL PLC - 2016-09-12
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents, 5 offsprings)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 27 - Director → ME
  • 9
    PEBBLEBERRY LIMITED - 1985-03-25
    HYDRO-LOGIC SYSTEMS LIMITED - 1985-05-07
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents, 1 offspring)
    Total Assets Less Current Liabilities (Company account)
    268,542 GBP2016-03-08
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 25 - Director → ME
  • 10
    icon of address C/o Smith & Williamson Llp, 25 Moorgate, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2007-07-18 ~ dissolved
    IIF 9 - Director → ME
  • 11
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 21 - Director → ME
  • 12
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 23 - Director → ME
  • 13
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 26 - Director → ME
  • 14
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 31 - Director → ME
  • 15
    icon of address Unit 2 Rivermead Court, Kenn Business Park Windmill Road, Kenn, Clevedon, England
    Active Corporate (4 parents, 2 offsprings)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 29 - Director → ME
  • 16
    VEXAMUS WATER (SCO) LIMITED - 2002-08-02
    WATERLINK (SCOTLAND) LIMITED - 2002-07-19
    icon of address Deloitte & Touche Llp, 4th Floor Saltire Court, 20 Castle Terrace, Edinburgh
    Active Corporate (4 parents)
    Officer
    icon of calendar 2024-07-10 ~ now
    IIF 18 - Director → ME
Ceased 12
  • 1
    icon of address York Biotech Campus, Sand Hutton, York, England
    Active Corporate (2 parents)
    Equity (Company account)
    34,138 GBP2021-12-31
    Officer
    icon of calendar 2008-12-05 ~ 2021-04-19
    IIF 5 - Director → ME
  • 2
    icon of address C12 Marquis Court Marquis Court, Team Valley Trading Estate, Gateshead, England
    Active Corporate (2 parents)
    Equity (Company account)
    -734,165 GBP2021-12-31
    Officer
    icon of calendar 2006-12-14 ~ 2021-04-19
    IIF 4 - Director → ME
  • 3
    CONTINENTAL SHELF 356 LIMITED - 2006-02-13
    icon of address Third Floor Broad Quay House, Prince Street, Bristol, United Kingdom
    Active Corporate (7 parents, 1 offspring)
    Officer
    icon of calendar 2006-02-10 ~ 2006-12-21
    IIF 7 - Director → ME
  • 4
    CONTINENTAL SHELF 357 LIMITED - 2006-02-16
    icon of address Third Floor Broad Quay House, Prince Street, Bristol, United Kingdom
    Active Corporate (6 parents)
    Officer
    icon of calendar 2006-02-10 ~ 2006-12-21
    IIF 6 - Director → ME
  • 5
    icon of address York Biotech Campus, Sand Hutton, York, England
    Dissolved Corporate (2 parents)
    Equity (Company account)
    1 GBP2021-12-31
    Officer
    icon of calendar 2008-09-26 ~ 2021-04-19
    IIF 16 - Director → ME
  • 6
    icon of address C12 Marquis Court Marquis Court, Team Valley Trading Estate, Gateshead, England
    Active Corporate (1 parent)
    Equity (Company account)
    774,048 GBP2021-12-31
    Officer
    icon of calendar 2011-04-01 ~ 2021-04-19
    IIF 15 - Director → ME
  • 7
    MODERN WATER PLC - 2022-06-07
    MODERN WATER LIMITED - 2007-06-04
    icon of address C12 Marquis Court Marquis Way, Team Valley Trading Estate, Gateshead, England
    Active Corporate (1 parent, 7 offsprings)
    Equity (Company account)
    1,000 GBP2020-12-31
    Officer
    icon of calendar 2006-12-01 ~ 2021-12-31
    IIF 14 - Director → ME
    icon of calendar 2020-04-17 ~ 2021-05-05
    IIF 1 - Secretary → ME
  • 8
    icon of address C/o Smith & Williamson Llp, 25 Moorgate, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2007-07-18 ~ 2007-08-23
    IIF 10 - Director → ME
    icon of calendar 2007-07-18 ~ 2007-07-18
    IIF 2 - Secretary → ME
  • 9
    icon of address C12 Marquis Court Marquis Court, Team Valley Trading Estate, Gateshead, England
    Active Corporate (1 parent)
    Equity (Company account)
    -2,234,554 GBP2021-12-31
    Officer
    icon of calendar 2011-10-14 ~ 2021-04-19
    IIF 17 - Director → ME
  • 10
    icon of address C12 Marquis Court Marquis Court, Team Valley Trading Estate, Gateshead, England
    Active Corporate (1 parent, 3 offsprings)
    Equity (Company account)
    2,716,339 GBP2021-12-31
    Officer
    icon of calendar 2011-01-17 ~ 2021-04-19
    IIF 13 - Director → ME
  • 11
    icon of address C/o Modern Water Plc York Biotech Campus, Sand Hutton, York, England
    Dissolved Corporate (4 parents)
    Equity (Company account)
    33,873 GBP2020-12-31
    Officer
    icon of calendar 2006-12-14 ~ 2021-05-10
    IIF 11 - Director → ME
  • 12
    icon of address York Eco Business Centre, Amy Johnson Way, York, England
    Dissolved Corporate (2 parents)
    Equity (Company account)
    100 GBP2022-12-31
    Officer
    icon of calendar 2007-06-07 ~ 2021-04-19
    IIF 12 - Director → ME
    icon of calendar 2007-06-07 ~ 2008-08-19
    IIF 3 - Secretary → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.