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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

Holman, Rhona Mary

child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 42
  • 1
    AMENTUM CLEAN ENERGY INTERNATIONAL LIMITED - now
    JACOBS CLEAN ENERGY INTERNATIONAL LIMITED
    - 2024-09-30 03260477
    AMEC FOSTER WHEELER NUCLEAR INTERNATIONAL LIMITED - 2020-03-18
    AMEC NUCLEAR INTERNATIONAL LIMITED - 2014-12-16
    NNC LIMITED - 2008-09-24 01120437, 02290928
    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 (5 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 9 - Secretary → ME
  • 2
    AMENTUM CLEAN ENERGY LIMITED - now
    JACOBS CLEAN ENERGY LIMITED
    - 2024-09-30 01120437
    WOOD NUCLEAR LIMITED - 2020-03-17
    AMEC FOSTER WHEELER NUCLEAR UK LIMITED - 2018-09-03
    AMEC NUCLEAR UK LIMITED - 2014-12-12
    AMEC NNC LIMITED - 2007-09-03
    NNC LIMITED - 2005-08-08 03260477, 02290928
    NATIONAL NUCLEAR CORPORATION LIMITED - 1989-04-01 02290928
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (5 parents, 4 offsprings)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 35 - Secretary → ME
  • 3
    AMENTUM E&C LIMITED - now
    JACOBS E&C LIMITED
    - 2024-09-30 04967961
    AKER SOLUTIONS E&C LTD - 2011-03-01
    AKER KVAERNER ENGINEERING SERVICES LIMITED - 2008-04-03
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 5 - Secretary → ME
  • 4
    AMENTUM ENTERPRISE ASSET SOLUTIONS CONSTRUCTION LIMITED - now
    JACOBS STOBBARTS LIMITED
    - 2024-09-30 08584259
    STOBBARTS (NUCLEAR) LIMITED - 2013-12-30
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 16 - Secretary → ME
  • 5
    AMENTUM ENTERPRISE ASSET SOLUTIONS LIMITED - now
    JACOBS FIELD SERVICES LIMITED
    - 2024-09-30 01172655
    JACOBS LES LIMITED - 2015-10-22
    L.E.S. ENGINEERING LIMITED - 2009-01-20
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (5 parents, 1 offspring)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 6 - Secretary → ME
  • 6
    AMENTUM INTERNATIONAL NUCLEAR SERVICES LIMITED - now
    CH2M HILL INTERNATIONAL NUCLEAR SERVICES LTD
    - 2024-09-30 05532606
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 23 - Secretary → ME
  • 7
    CH2M HILL EUROPE LIMITED
    - now 07262036
    CH2M HILL ACQUIRECO LIMITED - 2011-09-16
    CH2M HILL STAR HOLDINGS LIMITED - 2010-08-16
    INTERCEDE 2359 LIMITED - 2010-06-25 05569424, 06378165, 06300210... (more)
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents, 5 offsprings)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 32 - Secretary → ME
  • 8
    CH2M HILL HOLDINGS LIMITED
    12661700
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents, 4 offsprings)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 39 - Secretary → ME
  • 9
    CH2M HILL ONE LIMITED
    12661623
    Cottons Centre, Cottons Lane, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 14 - Secretary → ME
  • 10
    CH2M HILL SERVICES LIMITED
    - now 04263139
    MALBERY LIMITED - 2001-08-07
    Cottons Centre, Cottons Lane, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 3 - Secretary → ME
  • 11
    CH2M HILL UNITED KINGDOM
    02533469
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 26 - Secretary → ME
  • 12
    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 (3 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 1 - Secretary → ME
  • 13
    FAST REACTOR TECHNOLOGY LIMITED
    01853864
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (5 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 33 - Secretary → ME
  • 14
    GIBB HOLDINGS LTD
    - now 02387714
    GIBB LIMITED - 1996-12-05 02387707, 03281002
    CHULSAVALE LIMITED - 1989-09-18
    Cottons Centre, Cottons Lane, London, United Kingdom
    Dissolved Corporate (4 parents, 1 offspring)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 40 - Secretary → ME
  • 15
    HALCROW (CONSULTING ENGINEERS & ARCHITECTS) LIMITED
    - now 01045458
    HALCROW & CO. (CONSULTING ENGINEERS & ARCHITECTS) - 1989-02-10
    HALCROW & CO.(CONSULTING ENGINEERS) - 1982-01-28
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 30 - Secretary → ME
  • 16
    HALCROW ASIA LIMITED
    - now 02458827
    FACTORCHECK LIMITED - 1990-02-15
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 28 - Secretary → ME
  • 17
    HALCROW ASIA PARTNERSHIP LIMITED
    - now 02490667
    EARNMEET LIMITED - 1990-05-11
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2024-04-30
    IIF 42 - Secretary → ME
  • 18
    HALCROW CANADA LIMITED
    05296410
    Cottons Centre, Cottons Lane, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 21 - Secretary → ME
  • 19
    HALCROW CONSULTING LIMITED
    - now 02326761
    TRENDTOTAL LIMITED - 1989-01-17
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents, 2 offsprings)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 18 - Secretary → ME
  • 20
    HALCROW GROUP LIMITED
    03415971
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents, 5 offsprings)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 27 - Secretary → ME
  • 21
    HALCROW HOLDINGS LIMITED
    01674044
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents, 2 offsprings)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 41 - Secretary → ME
  • 22
    HALCROW INTERNATIONAL LIMITED
    - now 02326765
    TRENDTERM LIMITED - 1989-01-17
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents, 5 offsprings)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 37 - Secretary → ME
  • 23
    HALCROW INTERNATIONAL PARTNERSHIP
    02809680
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 10 - Secretary → ME
  • 24
    JACOBS CANADA (UK) LIMITED
    14089240
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 4 - Secretary → ME
  • 25
    JACOBS ENGINEERING UK LIMITED
    - now 02527622 08111269, 02594504
    JACOBS INDUSTRIAL SERVICES U.K. LIMITED - 2015-12-21 08111269
    JACOBS CATALYTIC (UK) LIMITED - 2007-05-10
    DELTA CATALYTIC (UK) LIMITED - 2001-12-24
    CATALYTIC SEAFORTH LIMITED - 1992-12-14
    HEATGUARD LIMITED - 1990-09-05
    Cottons Centre, Cottons Lane, London, United Kingdom
    Dissolved Corporate (4 parents, 1 offspring)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 11 - Secretary → ME
  • 26
    JACOBS EUROPE HOLDCO LIMITED
    09188414
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 7 - Secretary → ME
  • 27
    JACOBS ONE LIMITED
    - now SC141100 08111269
    JACOBS U.K. LIMITED - 2012-07-30 02594504
    BABTIE GROUP LIMITED - 2004-08-17
    95 Bothwell Street, Glasgow
    Active Corporate (4 parents, 3 offsprings)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 2 - Secretary → ME
  • 28
    JACOBS SINGAPORE (UK) LIMITED
    14094582
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 22 - Secretary → ME
  • 29
    JACOBS TWO LIMITED
    SC580155
    95 Bothwell Street, Glasgow, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 8 - Secretary → ME
  • 30
    JACOBS U.K. LIMITED
    - now 02594504 SC141100
    JACOBS ENGINEERING U.K. LIMITED - 2012-07-30 02527622, 08111269
    JACOBS ENGINEERING LIMITED - 1999-08-03
    H&G PROCESS CONTRACTING LIMITED - 1993-12-17
    687TH SHELF TRADING COMPANY LIMITED - 1992-01-21
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (9 parents, 11 offsprings)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 24 - Secretary → ME
  • 31
    JACOBS UK HOLDINGS LIMITED
    - now 04420029
    SHAPELEASE LIMITED - 2002-09-30
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 13 - Secretary → ME
  • 32
    JACOBSGIBB LTD
    - now 02387707 03281002
    GIBB LTD - 2001-10-22 02387714, 03281002
    SIR ALEXANDER GIBB & PARTNERS LIMITED - 1996-12-05
    CAXTONCROFT LIMITED - 1989-06-20
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 38 - Secretary → ME
  • 33
    JEG ACQUISITION COMPANY LIMITED
    06678113
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (3 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 36 - Secretary → ME
  • 34
    L.E.S. CONSTRUCTION LIMITED
    - now 02857923
    I.C.I.T. COLDSTAR (UK) LIMITED - 1999-11-08
    INDUSTRIAL CONTROL INFORMATION TECHNOLOGY LIMITED - 1996-01-30
    Cottons Centre, Cottons Lane, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 25 - Secretary → ME
  • 35
    LEIGHFISHER HOLDINGS LIMITED
    - now 07462876
    SHOO 521 LIMITED - 2011-08-19 09043284, 08237567, 07033281... (more)
    Cottons Centre, Cottons Lane, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 12 - Secretary → ME
  • 36
    LEIGHFISHER LIMITED
    - now 02591354
    JACOBS CONSULTANCY U.K. LIMITED - 2011-06-01
    JACOBS/H&G ENGINEERING LIMITED - 2001-09-24
    H&G COMPUTER SERVICES LIMITED - 1993-12-17
    EARL AND WRIGHT TECHNOLOGY LIMITED - 1992-02-26
    WIDDISON LIMITED - 1991-05-22
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 20 - Secretary → ME
  • 37
    LEIGHFISHER U.K. LIMITED
    - now 02653755
    FAWLEY AQUATIC RESEARCH LABORATORIES LIMITED - 2010-07-28
    Cottons Centre, Cottons Lane, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 34 - Secretary → ME
  • 38
    NATIONAL NUCLEAR CORPORATION LIMITED
    - now 02290928 01120437
    NNC LIMITED - 1989-04-01 03260477, 01120437
    DASHBULGE LIMITED - 1989-02-27
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 17 - Secretary → ME
  • 39
    PWR POWER PROJECTS LIMITED
    - now 02281663
    POLARSTOCK LIMITED - 1988-10-14
    305 Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (6 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 15 - Secretary → ME
  • 40
    SIR WILLIAM HALCROW & PARTNERS LIMITED
    - now 01722541
    HALCROW SURVEYS - 1985-04-17
    Cottons Centre, Cottons Lane, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 19 - Secretary → ME
  • 41
    TRANSCEND PARTNERS LIMITED
    06853136
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (6 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 29 - Secretary → ME
  • 42
    TRANSMARK ASIA LIMITED
    - now 02815214
    SOLVESTART SERVICES LIMITED - 1993-06-07
    Cottons Centre, Cottons Lane, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2023-02-10 ~ 2023-08-21
    IIF 31 - Secretary → ME

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.