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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

Callahan, Mark

    Related profiles found in government register
  • Callahan, Mark
    British director born in July 1981

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 166, College Road, Harrow, HA1 1RA, England

      IIF 1 IIF 2
  • Callahan, Mark
    British software solutions born in July 1981

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 81, Grove Way, Esher, KT10 8HG, England

      IIF 3
  • Callahan, Mark
    British company director born in February 1961

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Mortimer House, 40 Chatsworth Parade, Petts Wood, Orpington, Kent, BR5 1DE, England

      IIF 4
  • Callahan, Mark
    British consultant born in February 1961

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Willow Barn, Broad Street Green Road, Great Totham, Maldon, CM9 8NX, England

      IIF 5
  • Callahan, Mark
    British director born in February 1961

    Resident in England

    Registered addresses and corresponding companies

    • icon of address Willow Barn, Broad Street Green Road, Great Totham, Maldon, Essex, CM9 8NX, United Kingdom

      IIF 6

    • icon of address Mortimer House, 40 Chatsworth Parade, Petts Wood, Kent, BR5 1DE, United Kingdom

      IIF 7
  • Callahan, Mark Ronald
    British company director born in February 1961

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 40, Chatsworth Parade, Petts Wood, Orpington, BR5 1DE, England

      IIF 8 IIF 9
  • Callahan, Mark
    British director born in February 1962

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address Willow Barn, Broadstreet Green Road, Great Totham, Maldon, Essex, CM9 8NX, United Kingdom

      IIF 10

    • icon of address Mortimer House, 40 Chatsworth Parade, Petts Wood, Orpington, Kent, BR5 1DE, United Kingdom

      IIF 11
  • Mr Mark Callahan
    British born in July 1981

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 81, Grove Way, Esher, KT10 8HG, England

      IIF 12

    • icon of address 166, College Road, Harrow, HA1 1BH, England

      IIF 13

    • icon of address 166, College Road, Harrow, HA1 1RA, England

      IIF 14
  • Callahan, Mark Ronald

    Registered addresses and corresponding companies

    • icon of address Willow Barn, Broad Street Green Road, Maldon, CM9 8NX, United Kingdom

      IIF 15
  • Callahan, Mark Ronald
    British company director born in February 1961

    Registered addresses and corresponding companies

    • icon of address 20 De Vere Close, Hatfield Peverel, Chelmsford, Essex, CM3 2LS

      IIF 16
  • Callahan, Mark Ronald
    British director born in February 1961

    Registered addresses and corresponding companies

    • icon of address 20 De Vere Close, Hatfield Peverel, Chelmsford, Essex, CM3 2LS

      IIF 17
  • Mr Mark Callahan
    British born in February 1961

    Resident in England

    Registered addresses and corresponding companies

    • icon of address 5 Brayford Square, 5 Brayford Square, London, E1 0SG, England

      IIF 18

    • icon of address Willow Barn, Broad Street Green Road, Great Totham, Maldon, CM9 8NX, United Kingdom

      IIF 19

    • icon of address Mortimer House, 40 Chatsworth Parade, Petts Wood, Orpington, BR5 1DE, England

      IIF 20

    • icon of address Mortimer House, Chatsworth Parade, Petts Wood, Orpington, BR5 1DE, England

      IIF 21

    • icon of address Mortimer House, 40 Chatsworth Parade, Petts Wood, BR5 1DE, United Kingdom

      IIF 22
  • Callahan, Mark

    Registered addresses and corresponding companies

    • icon of address Willow Barn, Broad Street Green Road, Great Totham, Maldon, Essex, CM9 8NX, United Kingdom

      IIF 23

    • icon of address Willow Barn, Broadstreet Green Road, Great Totham, Maldon, Essex, CM9 8NX, United Kingdom

      IIF 24

    • icon of address Mortimer House, 40 Chatsworth Parade, Petts Wood, Orpington, Kent, BR5 1DE, United Kingdom

      IIF 25

    • icon of address 166, Moor Lane, Cranham, Upminster, Essex, RM14 1HE, England

      IIF 26

    • icon of address 166, Moor Lane, Cranham, Upminster, Essex, RM14 1HE, United Kingdom

      IIF 27
  • Callahan, Mark Ronald
    British company director born in February 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address Willow Barn, Broad Street Green Road, Great Totham, Essex, CM9 8NX

      IIF 28

    • icon of address Centre 645, 2 Old Brompton Road, Souyh Kensington, London, SW7 3DQ

      IIF 29
  • Callahan, Mark Ronald
    British director born in February 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address Future House, Bromley Common, Bromley, Kent, BR2 9LS, England

      IIF 30

    • icon of address Willow Barn, Broad Street Green Road, Great Totham, Maldon, Essex, CM9 8NX

      IIF 31

    • icon of address Willow Barn, Broad Street Green Road, Maldon, CM9 8NX, United Kingdom

      IIF 32

    • icon of address Willow Barn, Broad Street Green Road, Maldon, Essex, CM9 8NX, United Kingdom

      IIF 33
  • Callahan, Mark Ronald
    British it consultant born in February 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • icon of address 166, Moor Lane, Cranham, Upminster, Essex, RM14 1HE, England

      IIF 34

    • icon of address 166, Moor Lane, Cranham, Upminster, Essex, RM14 1HE, United Kingdom

      IIF 35
child relation
Offspring entities and appointments
Active 14
  • 1
    icon of address Willow Barn Broadstreet Green Road, Great Totham, Maldon, Essex, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2008-06-23 ~ dissolved
    IIF 28 - Director → ME
  • 2
    icon of address Mortimer House 40 Chatsworth Parade, Petts Wood, Orpington, Kent
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2013-10-03 ~ dissolved
    IIF 11 - Director → ME
    icon of calendar 2013-10-03 ~ dissolved
    IIF 25 - Secretary → ME
  • 3
    icon of address Willow Barn Broad Street Green Road, Great Totham, Maldon, Essex, United Kingdom
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2022-11-17 ~ dissolved
    IIF 6 - Director → ME
    icon of calendar 2022-11-17 ~ dissolved
    IIF 23 - Secretary → ME
    Person with significant control
    icon of calendar 2022-11-17 ~ dissolved
    IIF 19 - Right to appoint or remove directors → OE
    IIF 19 - Ownership of voting rights - 75% or more → OE
    IIF 19 - Ownership of shares – 75% or more → OE
  • 4
    icon of address 166 College Road, Harrow, England
    Active Corporate (4 parents, 1 offspring)
    Equity (Company account)
    6,212,381 GBP2024-04-30
    Officer
    icon of calendar 2016-12-13 ~ now
    IIF 2 - Director → ME
    Person with significant control
    icon of calendar 2016-12-13 ~ now
    IIF 14 - Has significant influence or control → OE
  • 5
    icon of address 5 Brayford Square, 5 Brayford Square, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    -42,406 GBP2024-07-31
    Officer
    icon of calendar 2023-03-15 ~ now
    IIF 5 - Director → ME
    Person with significant control
    icon of calendar 2023-03-15 ~ now
    IIF 18 - Ownership of shares – More than 25% but not more than 50% → OE
  • 6
    GRAVICUS LTD. - 2023-03-03
    icon of address 81 Grove Way, Esher, England
    Active Corporate (2 parents)
    Equity (Company account)
    5,750 GBP2024-04-30
    Officer
    icon of calendar 2015-02-25 ~ now
    IIF 3 - Director → ME
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    IIF 12 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 12 - Ownership of shares – More than 25% but not more than 50% → OE
  • 7
    icon of address Victory House, Quayside, Chatham Maritime, Kent
    Dissolved Corporate (5 parents)
    Officer
    icon of calendar 2011-05-05 ~ dissolved
    IIF 33 - Director → ME
  • 8
    icon of address 166 Moor Lane, Cranham, Upminster, Essex, England
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2012-11-20 ~ dissolved
    IIF 26 - Secretary → ME
  • 9
    icon of address Willow Barn Broadstreet Green Road, Great Totham, Maldon, Essex, United Kingdom
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2012-01-05 ~ dissolved
    IIF 10 - Director → ME
    icon of calendar 2012-01-05 ~ dissolved
    IIF 24 - Secretary → ME
  • 10
    icon of address Mortimer House, 40 Chatsworth Parade, Petts Wood, Kent, United Kingdom
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2020-01-10 ~ dissolved
    IIF 7 - Director → ME
    Person with significant control
    icon of calendar 2020-01-10 ~ dissolved
    IIF 22 - Right to appoint or remove directors → OE
    IIF 22 - Ownership of voting rights - 75% or more → OE
    IIF 22 - Ownership of shares – 75% or more → OE
  • 11
    IPROFILE U.K. LTD - 2013-01-24
    icon of address 166 Moor Lane, Cranham, Upminster, Essex, England
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2012-11-20 ~ dissolved
    IIF 27 - Secretary → ME
  • 12
    icon of address C/o Bdo Llp, Thames Tower Level 12 Station Road, Reading, Berkshire
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2013-03-15 ~ dissolved
    IIF 32 - Director → ME
    icon of calendar 2013-03-15 ~ dissolved
    IIF 15 - Secretary → ME
  • 13
    icon of address 166 College Road, Harrow, England
    Active Corporate (5 parents)
    Equity (Company account)
    -4,800,368 GBP2024-04-30
    Officer
    icon of calendar 2020-09-17 ~ now
    IIF 1 - Director → ME
  • 14
    icon of address C/o, Kirker & Co, Centre 645 2 Old Brompton Road Souyh Kensington, London
    Dissolved Corporate (2 parents)
    Equity (Company account)
    2,000 GBP2017-03-31
    Officer
    icon of calendar 2016-07-06 ~ dissolved
    IIF 29 - Director → ME
    Person with significant control
    icon of calendar 2016-04-06 ~ dissolved
    IIF 20 - Has significant influence or control → OE
Ceased 9
  • 1
    icon of address Future House, Bromley Common, Bromley, Kent, England
    Active Corporate (2 parents)
    Equity (Company account)
    824 GBP2024-11-30
    Officer
    icon of calendar 2016-12-07 ~ 2022-07-27
    IIF 30 - Director → ME
    Person with significant control
    icon of calendar 2016-12-07 ~ 2022-07-27
    IIF 21 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 21 - Ownership of shares – More than 25% but not more than 50% → OE
  • 2
    OVERSCAN LIMITED - 1994-02-21
    LCC SUPPORT SERVICES LIMITED - 2020-07-16
    icon of address 65 Leonard Street, Shoreditch, London, United Kingdom
    Active Corporate (6 parents, 5 offsprings)
    Equity (Company account)
    2,869,633 GBP2021-06-30
    Officer
    icon of calendar 1994-01-01 ~ 1996-11-25
    IIF 16 - Director → ME
  • 3
    icon of address 147 Station Road, North Chingford, London
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2009-08-07 ~ 2011-05-27
    IIF 31 - Director → ME
  • 4
    GRAVICUS LTD. - 2023-03-03
    icon of address 81 Grove Way, Esher, England
    Active Corporate (2 parents)
    Equity (Company account)
    5,750 GBP2024-04-30
    Person with significant control
    icon of calendar 2016-04-06 ~ 2018-04-03
    IIF 13 - Ownership of shares – 75% or more → OE
  • 5
    icon of address 166 Moor Lane, Cranham, Upminster, Essex, England
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2012-11-20 ~ 2014-01-01
    IIF 34 - Director → ME
  • 6
    RECRUITER BASE LIMITED - 2016-04-18
    RECRUITERBASE LIMITED - 2017-12-05
    icon of address 1 Vicarage Lane, Stratford, London, England, England
    Active Corporate (2 parents, 1 offspring)
    Profit/Loss (Company account)
    -331,695 GBP2019-05-01 ~ 2020-04-30
    Officer
    icon of calendar 2019-05-31 ~ 2020-04-23
    IIF 9 - Director → ME
    icon of calendar 2020-05-01 ~ 2022-07-27
    IIF 8 - Director → ME
  • 7
    icon of address 8 Monarch Court, The Brooms, Emersons Green, Bristol
    Active Corporate (3 parents)
    Officer
    icon of calendar ~ 1992-11-02
    IIF 17 - Director → ME
  • 8
    IPROFILE U.K. LTD - 2013-01-24
    icon of address 166 Moor Lane, Cranham, Upminster, Essex, England
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2012-11-20 ~ 2014-01-01
    IIF 35 - Director → ME
  • 9
    icon of address The Ground, Park View Road, Welling, Kent
    Active Corporate (2 parents)
    Equity (Company account)
    -637,147 GBP2024-05-31
    Officer
    icon of calendar 2019-04-02 ~ 2022-07-08
    IIF 4 - Director → ME

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Contains public sector information retrieved at 16 October 2025 and licensed under the Open Government Licence v3.0.