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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.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Clarkson, Iain Geoffrey

    Related profiles found in government register
  • Clarkson, Iain Geoffrey
    British born in February 1967

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Clarkson, Iain Geoffrey
    British chartered accountant born in February 1967

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Clarkson, Iain Geoffrey
    British born in February 1967

    Resident in England

    Registered addresses and corresponding companies

    • 68 Hill Top Avenue, Cheadle Hulme, Cheadle, Cheshire, SK8 7JA

      IIF 13 IIF 14 IIF 15

    • C/o Calder Industrial Materials, Jupiter Drive, Chester, CH1 4EX

      IIF 16

    • C/o Calder Industrial Materials, Limited Jupiter Drive, Chester, CH1 4EX

      IIF 17

    • C/o Cim Limited, Jupiter Drive, Chester West Employment Park, Chester, CH1 4EX

      IIF 18 IIF 19

    • Jupiter Drive, Chester West Employment Park, Chester, Cheshire, CH1 4EX

      IIF 20

    • Jupiter Drive, Chester West Employment Park, Chester, Cheshire, CH1 4EX, United Kingdom

      IIF 21

    • Number 1, Jupiter Drive, Chester West Employment Park, Chester, CH1 4EX

      IIF 22

    • Booths Park, Chelford Road, Knutsford, Cheshire, WA16 8QZ, England

      IIF 23

    • Unit 2b, Silver Royd Business Park, Silver Royd Hill, Leeds, United Kingdom, LS12 4QQ, England

      IIF 24

    • Unit 4a, Castlewood Business Park, Farmwell Lane, Sutton In Ashfield, Nottinghamshire, NG17 1BX

      IIF 25

    • Chadwick House, Warrington Road, Birchwood Park, Warrington, WA3 6AE

      IIF 26
  • Clarkson, Iain Geoffrey
    British chartered accountant born in February 1967

    Resident in England

    Registered addresses and corresponding companies
  • Clarkson, Iain Geoffrey
    British company director born in February 1967

    Resident in England

    Registered addresses and corresponding companies

    • 68 Hill Top Avenue, Cheadle Hulme, Cheadle, Cheshire, SK8 7JA

      IIF 40

    • Edf Energy, Gso Business Park, East Kilbride, Scotland, G74 5PG, Scotland

      IIF 41
  • Clarkson, Iain Geoffrey
    British director born in February 1967

    Resident in England

    Registered addresses and corresponding companies

    • Unit 17 Hazeley Enterprise Park, Hazeley Road, Twyford, Winchester, SO21 1QA

      IIF 42
  • Clarkson, Iain
    British born in February 1967

    Resident in England

    Registered addresses and corresponding companies

    • C/o Calder Industrial Materials, Jupiter Drive, Chester, CH1 4EX

      IIF 43
  • Clarkson, Iain
    British group finance director born in February 1967

    Resident in England

    Registered addresses and corresponding companies

    • Kennet Close, Tewkesbury Business Park, Northway Lane, Tewkesbury Glos, GL20 8HF

      IIF 44
  • Clarkson, Iain Geoffrey

    Registered addresses and corresponding companies

    • C/o Cim Limited, Jupiter Drive, Chester West Employment Park, Chester, CH1 4EX

      IIF 45 IIF 46

    • Jupiter Drive, Chester West Employment Park, Chester, Cheshire, CH1 4EX

      IIF 47

    • Number 1, Jupiter Drive, Chester West Employment Park, Chester, CH1 4EX

      IIF 48
child relation
Offspring entities and appointments 44
  • 1
    AMEC FOCUS PENSIONS TRUSTEE LIMITED
    - now 01716459
    CAITHNESS SOLUTIONS LIMITED - 2012-12-18
    AMEC (WSPS) PENSIONS TRUSTEE LIMITED - 2010-04-30
    WATSON STEEL PENSIONS TRUSTEE LIMITED - 2001-06-29
    MATTHEW HALL MINING & MINERALS LIMITED - 1992-04-10
    MINTWOVE LIMITED - 1983-06-21
    Booths Park, Chelford Road, Knutsford, Cheshire
    Dissolved Corporate (23 parents)
    Officer
    2012-12-19 ~ 2016-01-21
    IIF 11 - Director → ME
  • 2
    AMEC NUCLEAR M & O LIMITED
    - now 05664844
    AMEC NUCLEAR LIMITED - 2007-09-03
    Booths Park, Chelford Road, Knutsford, Cheshire
    Dissolved Corporate (16 parents)
    Officer
    2008-02-01 ~ 2016-01-21
    IIF 8 - Director → ME
  • 3
    AMEC NUCLEAR OVERSEAS LIMITED
    - now 04037762
    AMEC NNC OVERSEAS LIMITED - 2007-09-03
    NNC OVERSEAS LIMITED - 2005-08-08
    NNC ENVIRONMENTAL LIMITED - 2003-12-30
    INHOCO 2111 LIMITED - 2000-10-13
    Booths Park, Chelford Road, Knutsford, Cheshire
    Dissolved Corporate (23 parents, 1 offspring)
    Officer
    2008-02-01 ~ 2014-03-31
    IIF 6 - Director → ME
  • 4
    AMEC NUCLEAR PROJECTS LIMITED
    05664962
    Booths Park, Chelford Road, Knutsford, Cheshire
    Dissolved Corporate (15 parents)
    Officer
    2008-02-01 ~ 2016-01-21
    IIF 5 - Director → ME
  • 5
    AMENTUM CLEAN ENERGY INTERNATIONAL LIMITED - now
    JACOBS CLEAN ENERGY INTERNATIONAL LIMITED - 2024-09-30
    AMEC FOSTER WHEELER NUCLEAR INTERNATIONAL LIMITED - 2020-03-18
    AMEC NUCLEAR INTERNATIONAL LIMITED
    - 2014-12-16 03260477 03203966
    NNC LIMITED
    - 2008-09-24 03260477 01120437... (more)
    TECHNICA LIMITED - 2005-08-18
    UNITED DECOMMISSIONING TECHNOLOGIES LIMITED - 2003-04-16
    LEADERS IN BUSINESS LIMITED - 1996-11-18
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (33 parents, 1 offspring)
    Officer
    2008-02-01 ~ 2014-03-31
    IIF 1 - Director → ME
  • 6
    AMENTUM CLEAN ENERGY LIMITED - now
    JACOBS CLEAN ENERGY LIMITED - 2024-09-30
    WOOD NUCLEAR LIMITED - 2020-03-17
    AMEC FOSTER WHEELER NUCLEAR UK LIMITED
    - 2018-09-03 01120437
    AMEC NUCLEAR UK LIMITED
    - 2014-12-12 01120437
    AMEC NNC LIMITED - 2007-09-03
    NNC LIMITED - 2005-08-08
    NATIONAL NUCLEAR CORPORATION LIMITED - 1989-04-01
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (45 parents, 4 offsprings)
    Officer
    2008-02-01 ~ 2016-01-21
    IIF 4 - Director → ME
  • 7
    AMERCARE LIMITED
    - now 02350378
    AMERCARE ENCLOSURES LIMITED - 1989-06-08
    AMERCARE LIMITED - 1989-05-09
    LANGLEYLAKE LIMITED - 1989-04-17
    Unit B & C Broadlink, Middleton, Manchester, United Kingdom
    Active Corporate (18 parents)
    Officer
    1997-12-18 ~ 1998-12-15
    IIF 31 - Director → ME
  • 8
    AQUILA NUCLEAR ENGINEERING LIMITED
    07442871
    Unit 17 Hazeley Enterprise Park, Hazeley Road, Twyford, Winchester
    Active Corporate (24 parents)
    Officer
    2020-05-08 ~ 2021-12-23
    IIF 42 - Director → ME
  • 9
    CALDER FINCO UK LTD
    05721362
    Jupiter Drive, Chester West Employment Park, Chester, Cheshire
    Active Corporate (14 parents, 1 offspring)
    Officer
    2020-05-11 ~ 2025-10-29
    IIF 20 - Director → ME
    2020-05-11 ~ 2025-10-29
    IIF 47 - Secretary → ME
  • 10
    CALDER GROUP (TRUSTEES) LIMITED
    - now 04427519
    115CR (153) LIMITED - 2002-11-19
    C/o Calder Industrial Materials, Jupiter Drive, Chester
    Active Corporate (19 parents)
    Officer
    2025-12-01 ~ now
    IIF 43 - Director → ME
  • 11
    CALDER GROUP HOLDINGS LIMITED
    09457820
    Jupiter Drive, Chester West Employment Park, Chester, Cheshire, United Kingdom
    Active Corporate (11 parents, 1 offspring)
    Officer
    2020-05-11 ~ 2025-10-29
    IIF 21 - Director → ME
  • 12
    CALDER GROUP LIMITED
    - now 03491249
    GRIFFINHILL LIMITED - 1998-07-16
    C/o Cim Limited, Jupiter Drive, Chester West Employment Park, Chester
    Active Corporate (18 parents, 6 offsprings)
    Officer
    2020-05-07 ~ 2025-10-29
    IIF 18 - Director → ME
    2021-09-16 ~ 2025-10-29
    IIF 45 - Secretary → ME
  • 13
    CALDER HOLDINGS LIMITED
    - now 03491252
    LENNOXGREEN LIMITED - 1998-08-13
    Number 1 Jupiter Drive, Chester West Employment Park, Chester
    Active Corporate (18 parents, 1 offspring)
    Officer
    2020-05-11 ~ 2025-10-29
    IIF 22 - Director → ME
    2021-09-16 ~ 2025-10-29
    IIF 48 - Secretary → ME
  • 14
    CALDER INDUSTRIAL MATERIALS LIMITED
    - now 00028073
    COOKSON INDUSTRIAL MATERIALS LIMITED - 1994-06-01
    ASSOCIATED LEAD MANUFACTURERS LIMITED - 1986-04-01
    C/o Calder Industrial Materials, Jupiter Drive, Chester
    Active Corporate (45 parents, 2 offsprings)
    Officer
    2020-05-11 ~ 2025-10-29
    IIF 16 - Director → ME
  • 15
    CALDER INTERNATIONAL HOLDINGS LIMITED
    - now 03491092
    PLANETVALE LIMITED - 1998-07-15
    C/o Cim Limited, Jupiter Drive, Chester West Employment Park, Chester
    Active Corporate (17 parents)
    Officer
    2020-05-11 ~ 2025-10-29
    IIF 19 - Director → ME
    2020-05-11 ~ 2025-10-29
    IIF 46 - Secretary → ME
  • 16
    ENERGY, SAFETY AND RISK CONSULTANTS (UK) LIMITED
    - now 07825532
    SAFETY CONSULTING (UK) LIMITED - 2012-03-29
    SERCO GENERAL SERVICES LIMITED - 2012-03-23
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (29 parents)
    Officer
    2012-06-29 ~ 2014-03-31
    IIF 23 - Director → ME
  • 17
    F2 CHEMICALS LIMITED
    - now 02680159
    BNFL FLUOROCHEMICALS LIMITED - 1997-04-07
    F2 Chemicals Ltd, Lea Lane Lea Town, Preston, Lancashire
    Active Corporate (68 parents, 1 offspring)
    Officer
    1997-09-03 ~ 2000-03-28
    IIF 28 - Director → ME
  • 18
    F2 CHEMICALS PENSION TRUSTEE COMPANY LIMITED - now
    BNFL FLUOROCHEMICALS PENSION TRUSTEE COMPANY LIMITED
    - 2000-03-09 02781304 02680159
    F2 Chemicals Ltd, Lea Lane Lea Town, Preston, Lancashire
    Dissolved Corporate (25 parents)
    Officer
    1997-11-26 ~ 1999-09-07
    IIF 32 - Director → ME
  • 19
    FAST REACTOR TECHNOLOGY LIMITED
    01853864
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (44 parents)
    Officer
    2008-02-01 ~ 2016-01-21
    IIF 3 - Director → ME
  • 20
    HELANDER PRECISION ENGINEERING LIMITED
    02739330
    Kennet Close, Tewkesbury Business Park, Northway Lane, Tewkesbury Glos
    Active Corporate (25 parents)
    Officer
    2020-05-07 ~ 2025-05-21
    IIF 44 - Director → ME
  • 21
    LEEDS BRONZE ENGINEERING LIMITED
    - now 03491043
    SABREMARSH LIMITED - 1998-04-01
    Unit 2b Silver Royd Business Park, Silver Royd Hill, Leeds, United Kingdom, England
    Active Corporate (25 parents)
    Officer
    2020-05-08 ~ 2025-05-21
    IIF 24 - Director → ME
  • 22
    MIDLAND AEROSPACE LIMITED
    - now 04326476
    EDGER 155 LIMITED - 2002-02-19
    Unit 4a Castlewood Business Park, Farmwell Lane, Sutton In Ashfield, Nottinghamshire
    Active Corporate (24 parents)
    Officer
    2020-05-07 ~ 2025-10-29
    IIF 25 - Director → ME
  • 23
    NATIONAL NUCLEAR CORPORATION LIMITED
    - now 02290928 01120437
    NNC LIMITED - 1989-04-01
    DASHBULGE LIMITED - 1989-02-27
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (39 parents)
    Officer
    2008-02-01 ~ 2009-03-02
    IIF 13 - Director → ME
  • 24
    NIRAS ANALYTICAL LIMITED
    04701858
    Booths Park, Chelford Road, Knutsford, Cheshire
    Dissolved Corporate (8 parents)
    Officer
    2008-02-01 ~ dissolved
    IIF 14 - Director → ME
  • 25
    NUCLEAR MANAGEMENT PARTNERS LIMITED
    - now 05894268
    WASHINGTON BUSINESS DEVELOPMENT (UK) LIMITED - 2007-04-02
    Booths Park, Chelford Road, Knutsford, Cheshire
    Dissolved Corporate (47 parents)
    Officer
    2010-07-28 ~ 2016-01-21
    IIF 10 - Director → ME
  • 26
    PWR POWER PROJECTS LIMITED
    - now 02281663
    POLARSTOCK LIMITED - 1988-10-14
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (50 parents)
    Officer
    2008-02-01 ~ 2016-01-21
    IIF 7 - Director → ME
  • 27
    SOLUTIONS-NNC LIMITED
    - now 01691539
    FASTEC LIMITED - 2004-12-07
    BOOTHS PARK PROJECTS LIMITED - 1991-04-03
    MEDART LIMITED - 1984-11-27
    Booths Park, Chelford Road, Knutsford, Cheshire
    Dissolved Corporate (13 parents)
    Officer
    2008-02-01 ~ dissolved
    IIF 15 - Director → ME
  • 28
    SPRINGFIELDS FUELS LIMITED
    - now 03857770
    UNATEC LIMITED - 2004-04-29
    Springfields, Salwick, Preston, Lancashire
    Active Corporate (37 parents, 1 offspring)
    Officer
    2005-04-01 ~ 2007-12-31
    IIF 29 - Director → ME
  • 29
    STAMPTREE LIMITED
    05636469
    C/o Calder Industrial Materials, Limited Jupiter Drive, Chester
    Active Corporate (14 parents, 1 offspring)
    Officer
    2020-05-11 ~ 2025-10-29
    IIF 17 - Director → ME
  • 30
    STATS-NNC LIMITED
    - now 04339062
    INHOCO 2584 LIMITED - 2002-02-27
    Booths Park, Chelford Road, Knutsford, Cheshire
    Dissolved Corporate (17 parents)
    Officer
    2008-02-01 ~ 2012-11-28
    IIF 9 - Director → ME
  • 31
    STORNOWAY WIND FARM LIMITED - now
    LEWIS WIND POWER LIMITED
    - 2016-03-21 SC225262
    C/o Edf Renewables, Atria One, 144 Morrison Street, Edinburgh, Scotland
    Active Corporate (39 parents)
    Officer
    2010-10-05 ~ 2015-12-23
    IIF 41 - Director → ME
  • 32
    TECHNICA-NNC LIMITED
    - now SC235856
    HALDENBAY LIMITED - 2002-11-06
    Citygate, Altens Farm Road, Aberdeen, Aberdeenshire
    Dissolved Corporate (20 parents)
    Officer
    2008-02-01 ~ 2012-11-28
    IIF 27 - Director → ME
  • 33
    TETRA TECH GROUP LIMITED - now
    WYG GROUP LIMITED
    - 2020-12-16 06595608
    3 Sovereign Square, Sovereign Street, Leeds, England
    Active Corporate (21 parents, 4 offsprings)
    Officer
    2016-06-07 ~ 2019-02-25
    IIF 36 - Director → ME
  • 34
    TETRA TECH INTERNATIONAL DEVELOPMENT PROJECTS LIMITED - now
    WYG INTERNATIONAL PROJECTS LIMITED
    - 2020-03-05 03195423
    IMC PROJECTS LIMITED - 2008-01-03
    BROOMCO (1090) LIMITED - 1996-06-17
    1 Northfield Road, Reading, England
    Active Corporate (35 parents, 3 offsprings)
    Officer
    2016-06-07 ~ 2019-02-25
    IIF 37 - Director → ME
  • 35
    TETRA TECH UK CONSULTING GROUP LIMITED - now
    TETRA TECH UK GROUP CONSULTING LIMITED - 2020-12-17
    WYG LIMITED - 2020-12-16
    WYG PLC
    - 2019-07-10 01869543 05111508... (more)
    WHITE YOUNG GREEN PLC - 2009-12-18
    ERNEST GREEN AND PARTNERS HOLDINGS PLC - 1997-07-21
    3 Sovereign Square, Sovereign Street, Leeds, England
    Active Corporate (40 parents, 7 offsprings)
    Officer
    2016-06-07 ~ 2019-02-25
    IIF 38 - Director → ME
  • 36
    TSB (INVESTMENT EUROPE) LIMITED
    - now 03976730
    BNFL (INVESTMENTS - EUROPE) LIMITED
    - 2006-12-05 03976730
    Springfields, Salwick, Preston, Lancashire
    Dissolved Corporate (15 parents)
    Officer
    2006-09-29 ~ 2007-12-31
    IIF 40 - Director → ME
  • 37
    UK NUCLEAR RESTORATION LIMITED
    08353690
    Booths Park, Chelford Road, Knutsford, Cheshire
    Dissolved Corporate (20 parents)
    Officer
    2013-01-09 ~ 2013-10-18
    IIF 12 - Director → ME
  • 38
    UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED
    - now 03857752
    NATIONAL NUCLEAR LABORATORY LIMITED
    - 2024-12-17 03857752
    NEXIA SOLUTIONS LIMITED - 2008-11-10
    UNITED NUCLEAR TECHNOLOGIES LIMITED - 2004-11-08
    Chadwick House Warrington Road, Birchwood Park, Warrington
    Active Corporate (43 parents, 1 offspring)
    Officer
    2019-10-01 ~ now
    IIF 26 - Director → ME
  • 39
    URANIUM ASSET MANAGEMENT LIMITED
    - now 03162046 07169369
    BNFL URANIUM ASSET MANAGEMENT COMPANY LIMITED
    - 2005-01-27 03162046 07169369
    Springfields, Salwick, Preston, Lancashire
    Active Corporate (33 parents, 1 offspring)
    Officer
    2004-12-20 ~ 2007-12-31
    IIF 35 - Director → ME
  • 40
    WESTINGHOUSE ELECTRIC COMPANY UK LIMITED - now
    WESTINGHOUSE PROJECTS UK LIMITED
    - 2009-05-13 04006213
    Springfields, Salwick, Preston, Lancashire
    Active Corporate (34 parents, 8 offsprings)
    Officer
    2004-01-01 ~ 2007-12-31
    IIF 34 - Director → ME
  • 41
    WESTINGHOUSE ELECTRIC ENERGY SYSTEMS UK LIMITED
    - now 03108756 04006213... (more)
    PETTER REFRIGERATION LIMITED - 1998-06-11
    ORCHIDCHASE LIMITED - 1995-12-11
    Springfields, Salwick, Preston, Lancashire
    Dissolved Corporate (19 parents)
    Officer
    2003-11-18 ~ 2007-12-31
    IIF 33 - Director → ME
  • 42
    WESTINGHOUSE ELECTRIC UK HOLDINGS LIMITED - now
    WESTINGHOUSE ELECTRIC UK LIMITED
    - 2009-05-13 02458109 05245506... (more)
    BRITISH NUCLEAR GROUP LIMITED - 2004-10-04
    BNFL (UK) LIMITED - 2003-10-28
    FLOWBRAND LIMITED - 1990-02-09
    Springfields, Salwick, Preston, Lancashire
    Active Corporate (49 parents, 8 offsprings)
    Officer
    2005-04-01 ~ 2007-12-31
    IIF 30 - Director → ME
  • 43
    WOOD FINANCE UK LIMITED - now
    WOOD NUCLEAR HOLDINGS LIMITED - 2022-01-24
    AMEC FOSTER WHEELER NUCLEAR HOLDINGS LIMITED - 2018-09-03
    AMEC NUCLEAR HOLDINGS LIMITED
    - 2014-12-12 03725076 00163609
    NNC HOLDINGS LIMITED - 2005-08-08
    Booths Park, Chelford Road, Knutsford, Cheshire
    Active Corporate (39 parents, 7 offsprings)
    Officer
    2008-02-01 ~ 2014-03-31
    IIF 2 - Director → ME
  • 44
    WYG INTERNATIONAL LIMITED
    - now 03195485
    IMC CONSULTING LIMITED - 2005-07-01
    IMC ECONOMIC AND ENERGY CONSULTANTS LIMITED - 1998-05-20
    BROOMCO (1087) LIMITED - 1996-06-17
    Arndale Court Otley Road, Headingley, Leeds
    Converted / Closed Corporate (40 parents, 5 offsprings)
    Officer
    2016-06-07 ~ now
    IIF 39 - Director → ME

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Contains public sector information retrieved at 22 April 2026 and licensed under the Open Government Licence v3.0.