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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

Williamson, David Barclay

    Related profiles found in government register
  • Williamson, David Barclay
    British born in July 1965

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, EX1 3LH, England

      IIF 1

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, EX1 3LH, United Kingdom

      IIF 2 IIF 3

    • Tater Du, Atlantic View Lodges, Marine Drive, Widemouth Bay, Cornwall Ex23 0ag

      IIF 4
  • Williamson, David Barclay
    British accountant born in July 1965

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Williamson, David Barclay
    British company director born in July 1965

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, EX1 3LH, United Kingdom

      IIF 17

    • Keystone Law Second Floor, Audley House, 13 Palace Street, London, SW1E 5HX

      IIF 18
  • Williamson, David Barclay
    British director born in July 1965

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH, United Kingdom

      IIF 19

    • 2nd Floor, 13 Berkeley Street, London, W1J 8DU, United Kingdom

      IIF 20 IIF 21
  • Williamson, David Barclay
    British none born in July 1965

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH

      IIF 22

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH, England

      IIF 23

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH, United Kingdom

      IIF 24

    • Pitt Meadow, Minchin Lane, Aylesbeare, Exeter, EX5 2FH, United Kingdom

      IIF 25
  • Williamson, David Barclay
    born in July 1965

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Centenary House, Peninsula Park, Rydon Lane, Exeter, EX2 7XE

      IIF 26
  • Williamson, David Barclay
    British born in July 1965

    Resident in England

    Registered addresses and corresponding companies

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH, England

      IIF 27

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, EX1 3LH, England

      IIF 28

    • 167-169, Great Portland Street, Fifth Floor, London, W1W 5PF, England

      IIF 29
  • Mr David Barclay Williamson
    British born in July 1965

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Williamson, David Barclay

    Registered addresses and corresponding companies

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH

      IIF 49 IIF 50 IIF 51

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH, England

      IIF 52
  • Mr David Barclay Williamson
    British born in July 1965

    Resident in England

    Registered addresses and corresponding companies

    • Oxygen House, Grenadier Road, Exeter Business Park, Exeter, EX1 3LH, England

      IIF 53
child relation
Offspring entities and appointments 31
  • 1
    ATASS ENERGY LIMITED
    07367708
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon
    Dissolved Corporate (3 parents)
    Officer
    2010-09-07 ~ dissolved
    IIF 23 - Director → ME
    2010-09-07 ~ dissolved
    IIF 52 - Secretary → ME
  • 2
    ATASS LIMITED
    04807405
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon
    Active Corporate (14 parents)
    Officer
    2006-04-26 ~ 2018-09-12
    IIF 10 - Director → ME
    Person with significant control
    2016-04-06 ~ 2018-09-12
    IIF 34 - Has significant influence or control → OE
  • 3
    ATASS RESPECT LIMITED
    07531045
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon
    Dissolved Corporate (3 parents)
    Officer
    2011-02-15 ~ dissolved
    IIF 22 - Director → ME
    2011-02-15 ~ dissolved
    IIF 50 - Secretary → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 35 - Has significant influence or control → OE
  • 4
    ATASS SOLAR LIMITED
    07325737
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon
    Active Corporate (9 parents)
    Officer
    2010-07-26 ~ 2024-08-06
    IIF 24 - Director → ME
    2010-07-26 ~ 2020-09-08
    IIF 51 - Secretary → ME
    Person with significant control
    2016-04-06 ~ 2024-08-06
    IIF 36 - Has significant influence or control → OE
  • 5
    AVL MARINE DRIVE MANAGEMENT COMPANY LIMITED
    11735400
    Pearce House Brannam Crescent, Roundswell Business Park, Barnstaple, England
    Active Corporate (9 parents)
    Officer
    2020-06-04 ~ now
    IIF 4 - Director → ME
  • 6
    BROCKSMOOR HOTEL LIMITED
    05611751
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon, United Kingdom
    Dissolved Corporate (6 parents)
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 44 - Has significant influence or control → OE
  • 7
    ELWILL RESEARCH LIMITED
    09904592
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, England, England
    Dissolved Corporate (3 parents)
    Officer
    2015-12-07 ~ dissolved
    IIF 15 - Director → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 46 - Has significant influence or control → OE
  • 8
    GRENADIER 29 LIMITED
    09105418
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, England
    Active Corporate (10 parents)
    Officer
    2014-06-27 ~ 2021-06-10
    IIF 13 - Director → ME
    Person with significant control
    2016-04-06 ~ 2021-06-10
    IIF 38 - Has significant influence or control → OE
  • 9
    GRENADIER BRISTOL LIMITED
    10404018
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, England, England
    Dissolved Corporate (3 parents)
    Officer
    2016-09-30 ~ dissolved
    IIF 16 - Director → ME
    Person with significant control
    2016-09-30 ~ dissolved
    IIF 42 - Has significant influence or control → OE
  • 10
    GRENADIER CORNWALL LIMITED
    08773857
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon
    Dissolved Corporate (7 parents, 1 offspring)
    Officer
    2013-11-13 ~ dissolved
    IIF 9 - Director → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 45 - Has significant influence or control → OE
  • 11
    GRENADIER EMPEROR LIMITED
    10404076
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, England
    Active Corporate (10 parents)
    Officer
    2016-09-30 ~ 2018-06-01
    IIF 12 - Director → ME
    Person with significant control
    2016-09-30 ~ 2018-06-01
    IIF 41 - Has significant influence or control → OE
  • 12
    GRENADIER ESTATES LTD
    - now 05442100
    DIXON PROPERTY LIMITED
    - 2012-08-23 05442100
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon
    Active Corporate (19 parents, 10 offsprings)
    Officer
    2006-11-14 ~ 2025-05-31
    IIF 5 - Director → ME
    Person with significant control
    2016-04-06 ~ 2025-05-31
    IIF 32 - Has significant influence or control → OE
  • 13
    GRENADIER EXMOUTH LIMITED
    09627200 09585219
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon, United Kingdom
    Active Corporate (9 parents, 1 offspring)
    Officer
    2015-06-08 ~ 2021-06-10
    IIF 8 - Director → ME
    Person with significant control
    2016-04-06 ~ 2021-06-10
    IIF 39 - Has significant influence or control → OE
  • 14
    GRENADIER HUB LIMITED
    10344753
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon, United Kingdom
    Dissolved Corporate (7 parents)
    Officer
    2016-08-24 ~ 2018-06-01
    IIF 7 - Director → ME
    Person with significant control
    2016-08-24 ~ 2018-06-01
    IIF 40 - Has significant influence or control → OE
  • 15
    LOW CARBON GENERAL PARTNER LIMITED
    07707586 09391281
    2nd Floor 13 Berkeley Street, London, United Kingdom
    Dissolved Corporate (7 parents)
    Officer
    2011-07-18 ~ 2011-09-05
    IIF 18 - Director → ME
  • 16
    LOW CARBON GROUP LIMITED
    - now 07853501 09675601... (more)
    LOW CARBON LIMITED
    - 2021-11-29 07853501 13356797... (more)
    INTERCEDE 2437 LIMITED - 2012-01-10
    Stirling Square, 5-7 Carlton Gardens, London, United Kingdom
    Active Corporate (11 parents, 42 offsprings)
    Officer
    2015-08-25 ~ now
    IIF 1 - Director → ME
  • 17
    LOW CARBON OXYGEN LIMITED
    09510670
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, England
    Active Corporate (11 parents, 8 offsprings)
    Officer
    2015-03-26 ~ now
    IIF 2 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 37 - Has significant influence or control → OE
  • 18
    LOW CARBON VENTURES LIMITED
    - now 07853554
    INTERCEDE 2438 LIMITED - 2011-12-21
    Stirling Square, 5-7 Carlton Gardens, London, United Kingdom, United Kingdom
    Active Corporate (10 parents, 9 offsprings)
    Officer
    2012-12-19 ~ 2017-06-26
    IIF 21 - Director → ME
  • 19
    OCP1 OLDCO LIMITED - now
    OXYGEN CONSERVATION PORTFOLIO 1 LIMITED
    - 2025-07-09 15407639 16374100
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon, England
    Active Corporate (6 parents, 5 offsprings)
    Officer
    2024-01-12 ~ 2025-06-25
    IIF 27 - Director → ME
  • 20
    OXYGEN CONSERVATION LIMITED
    13340769
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, England
    Active Corporate (9 parents, 6 offsprings)
    Officer
    2021-04-16 ~ now
    IIF 28 - Director → ME
    Person with significant control
    2021-04-16 ~ 2025-05-01
    IIF 53 - Has significant influence or control → OE
  • 21
    OXYGEN CONSERVATION PORTFOLIO 1 LIMITED - now
    OCP1 OLDCO LIMITED
    - 2025-07-09 16374100 15407639
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon, United Kingdom
    Active Corporate (7 parents, 8 offsprings)
    Officer
    2025-04-08 ~ 2025-06-25
    IIF 17 - Director → ME
  • 22
    OXYGEN HOUSE GROUP LIMITED
    - now 08306319
    OXYGEN HOUSE INVESTMENTS LIMITED
    - 2018-04-06 08306319
    ANDROMEDA CAPITAL PARTNERS (INVESTMENTS) LIMITED
    - 2016-01-25 08306319
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon
    Active Corporate (7 parents, 21 offsprings)
    Officer
    2012-11-23 ~ 2025-05-31
    IIF 19 - Director → ME
    Person with significant control
    2016-04-06 ~ 2025-05-31
    IIF 47 - Has significant influence or control → OE
  • 23
    OXYGEN HOUSE LIMITED
    - now 06626390
    ANDROMEDA CAPITAL LIMITED
    - 2016-01-21 06626390
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon
    Active Corporate (6 parents, 1 offspring)
    Officer
    2008-06-23 ~ 2022-10-01
    IIF 11 - Director → ME
    2008-06-23 ~ 2022-10-01
    IIF 49 - Secretary → ME
    Person with significant control
    2016-04-06 ~ 2022-10-01
    IIF 31 - Has significant influence or control → OE
  • 24
    OXYGEN HOUSE PROPERTIES LLP
    - now OC397066
    ANDROMEDA REAL ESTATE LLP
    - 2016-01-28 OC397066
    Centenary House, Peninsula Park, Rydon Lane, Exeter
    Dissolved Corporate (2 parents, 9 offsprings)
    Officer
    2014-12-12 ~ dissolved
    IIF 26 - LLP Designated Member → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 48 - Has significant influence or control → OE
  • 25
    PATERNOSTER (EXETER) LIMITED - now
    GRENADIER PATERNOSTER LIMITED
    - 2023-07-27 09585219
    GRENADIER TOPSHAM LIMITED
    - 2017-05-03 09585219
    GRENADIER NEWCO 1 LIMITED
    - 2016-09-13 09585219
    GRENADIER EXMOUTH LIMITED
    - 2015-06-03 09585219 09627200
    Ground Floor Cooper House, 316 Regents Park Road, London, United Kingdom
    Active Corporate (13 parents)
    Officer
    2015-05-11 ~ 2021-06-10
    IIF 14 - Director → ME
    Person with significant control
    2016-04-06 ~ 2021-06-10
    IIF 33 - Has significant influence or control → OE
  • 26
    SGC WANDSWORTH COMMON LTD
    - now 15805075
    FAIRWAY CLUB I LTD - 2024-08-12
    167-169 Great Portland Street, Fifth Floor, London, England
    Active Corporate (4 parents, 1 offspring)
    Officer
    2025-11-13 ~ now
    IIF 29 - Director → ME
  • 27
    ST MARGARET'S RESIDENCES (EXETER) LIMITED
    08699395
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon
    Active Corporate (11 parents, 1 offspring)
    Officer
    2013-09-20 ~ 2022-02-15
    IIF 6 - Director → ME
    Person with significant control
    2016-04-06 ~ 2022-02-15
    IIF 43 - Has significant influence or control → OE
  • 28
    THE DIXON FOUNDATION
    12572438
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, United Kingdom
    Active Corporate (7 parents, 2 offsprings)
    Officer
    2020-04-27 ~ now
    IIF 3 - Director → ME
  • 29
    TRENOUTH SOLAR INVESTMENT COMPANY LIMITED
    08598465
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, England
    Active Corporate (12 parents, 1 offspring)
    Officer
    2015-03-23 ~ 2015-06-04
    IIF 20 - Director → ME
  • 30
    WIDEMOUTH MANOR HOTEL LIMITED
    06851503
    Oxygen House Grenadier Road, Exeter Business Park, Exeter, Devon
    Dissolved Corporate (4 parents)
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 30 - Has significant influence or control → OE
  • 31
    WITHEBY MANAGEMENT COMPANY LIMITED
    00960426
    Hillsdon Management, High Street, Sidmouth, England
    Active Corporate (71 parents)
    Officer
    2017-03-01 ~ 2018-06-12
    IIF 25 - Director → ME

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