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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

Mr Mark Callahan

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

    Resident in England

    Registered addresses and corresponding companies

    • 81, Grove Way, Esher, KT10 8HG, England

      IIF 1

    • 166, College Road, Harrow, HA1 1BH, England

      IIF 2

    • 166, College Road, Harrow, HA1 1RA, England

      IIF 3
  • Mr Mark Callahan
    British born in February 1961

    Resident in England

    Registered addresses and corresponding companies

    • 5 Brayford Square, 5 Brayford Square, London, E1 0SG, England

      IIF 4

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

      IIF 5

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

      IIF 6

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

      IIF 7

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

      IIF 8
  • Callahan, Mark
    British born in July 1981

    Resident in England

    Registered addresses and corresponding companies

    • 81, Grove Way, Esher, KT10 8HG, England

      IIF 9

    • 166, College Road, Harrow, HA1 1RA, England

      IIF 10 IIF 11
  • Callahan, Mark
    British born in February 1961

    Resident in England

    Registered addresses and corresponding companies

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

      IIF 12
  • Callahan, Mark
    British company director born in February 1961

    Resident in England

    Registered addresses and corresponding companies

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

      IIF 13
  • Callahan, Mark
    British director born in February 1961

    Resident in England

    Registered addresses and corresponding companies

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

      IIF 14

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

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

    Resident in England

    Registered addresses and corresponding companies

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

      IIF 16 IIF 17
  • Callahan, Mark Ronald
    British born in February 1961

    Registered addresses and corresponding companies

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

      IIF 18
  • Callahan, Mark Ronald
    British director born in February 1961

    Registered addresses and corresponding companies

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

      IIF 19
  • Callahan, Mark
    British born in July 1981

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 166, College Road, Harrow, Middlesex, HA1 1RA, United Kingdom

      IIF 20
  • Callahan, Mark
    British director born in February 1962

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 21

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

      IIF 22
  • Callahan, Mark Ronald
    British born in February 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • Future House, Bromley Common, Bromley, Kent, BR2 9LS, England

      IIF 23
  • Callahan, Mark Ronald
    British company director born in February 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 24

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

      IIF 25
  • Callahan, Mark Ronald
    British director born in February 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 26

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

      IIF 27

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

      IIF 28
  • Callahan, Mark Ronald
    British it consultant born in February 1961

    Resident in United Kingdom

    Registered addresses and corresponding companies

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

      IIF 29

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

      IIF 30
  • Callahan, Mark Ronald

    Registered addresses and corresponding companies

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

      IIF 31
  • Callahan, Mark

    Registered addresses and corresponding companies

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

      IIF 32

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

      IIF 33

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

      IIF 34

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

      IIF 35

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

      IIF 36
child relation
Offspring entities and appointments
Active 15
  • 1
    BIG IMAGE PHOTOGRAPHY LIMITED
    06626241
    Willow Barn Broadstreet Green Road, Great Totham, Maldon, Essex, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    2008-06-23 ~ dissolved
    IIF 24 - Director → ME
  • 2
    BROADSTREET BUSINESS CONSULTING LIMITED
    08716142
    Mortimer House 40 Chatsworth Parade, Petts Wood, Orpington, Kent
    Dissolved Corporate (1 parent)
    Officer
    2013-10-03 ~ dissolved
    IIF 22 - Director → ME
    2013-10-03 ~ dissolved
    IIF 34 - Secretary → ME
  • 3
    ESSENZ DIGITAL LTD
    14491165
    Willow Barn Broad Street Green Road, Great Totham, Maldon, Essex, United Kingdom
    Dissolved Corporate (1 parent)
    Officer
    2022-11-17 ~ dissolved
    IIF 14 - Director → ME
    2022-11-17 ~ dissolved
    IIF 32 - Secretary → ME
    Person with significant control
    2022-11-17 ~ dissolved
    IIF 5 - Ownership of voting rights - 75% or more → OE
    IIF 5 - Ownership of shares – 75% or more → OE
    IIF 5 - Right to appoint or remove directors → OE
  • 4
    GRAVICUS SOLUTIONS LIMITED
    17012811
    166 College Road, Harrow, Middlesex, United Kingdom
    Active Corporate (2 parents)
    Officer
    2026-02-04 ~ now
    IIF 20 - Director → ME
  • 5
    GRAVICUS TECHNOLOGIES LIMITED
    10523409
    166 College Road, Harrow, England
    Active Corporate (3 parents, 2 offsprings)
    Equity (Company account)
    6,212,381 GBP2024-04-30
    Officer
    2016-12-13 ~ now
    IIF 11 - Director → ME
    Person with significant control
    2016-12-13 ~ now
    IIF 3 - Has significant influence or control → OE
  • 6
    HARLEY MEDICAL SERVICES LTD
    09129627
    5 Brayford Square, 5 Brayford Square, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    -42,406 GBP2024-07-31
    Officer
    2023-03-15 ~ now
    IIF 12 - Director → ME
    Person with significant control
    2023-03-15 ~ now
    IIF 4 - Ownership of shares – More than 25% but not more than 50% → OE
  • 7
    HYPERPLANES LTD
    - now 09457136
    GRAVICUS LTD.
    - 2023-03-03 09457136
    81 Grove Way, Esher, England
    Active Corporate (2 parents)
    Equity (Company account)
    5,750 GBP2024-04-30
    Officer
    2015-02-25 ~ now
    IIF 9 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 1 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 1 - Ownership of shares – More than 25% but not more than 50% → OE
  • 8
    IPROFILE LIMITED
    07623865
    Victory House, Quayside, Chatham Maritime, Kent
    Dissolved Corporate (5 parents)
    Officer
    2011-05-05 ~ dissolved
    IIF 28 - Director → ME
  • 9
    IPROFILE TECHNOLOGIES LIMITED
    08300968
    166 Moor Lane, Cranham, Upminster, Essex, England
    Dissolved Corporate (2 parents)
    Officer
    2012-11-20 ~ dissolved
    IIF 35 - Secretary → ME
  • 10
    NOVANTIUM LIMITED
    07898227
    Willow Barn Broadstreet Green Road, Great Totham, Maldon, Essex, United Kingdom
    Dissolved Corporate (1 parent)
    Officer
    2012-01-05 ~ dissolved
    IIF 21 - Director → ME
    2012-01-05 ~ dissolved
    IIF 33 - Secretary → ME
  • 11
    RCI HOLDINGS LTD
    12397557
    Mortimer House, 40 Chatsworth Parade, Petts Wood, Kent, United Kingdom
    Dissolved Corporate (1 parent)
    Officer
    2020-01-10 ~ dissolved
    IIF 15 - Director → ME
    Person with significant control
    2020-01-10 ~ dissolved
    IIF 8 - Ownership of shares – 75% or more → OE
    IIF 8 - Ownership of voting rights - 75% or more → OE
    IIF 8 - Right to appoint or remove directors → OE
  • 12
    SKILLS PROFILE LIMITED
    - now 08301002
    IPROFILE U.K. LTD
    - 2013-01-24 08301002
    166 Moor Lane, Cranham, Upminster, Essex, England
    Dissolved Corporate (2 parents)
    Officer
    2012-11-20 ~ dissolved
    IIF 36 - Secretary → ME
  • 13
    SKILLSPROFILE TECHNOLOGY LIMITED
    08446350
    C/o Bdo Llp, Thames Tower Level 12 Station Road, Reading, Berkshire
    Dissolved Corporate (1 parent)
    Officer
    2013-03-15 ~ dissolved
    IIF 27 - Director → ME
    2013-03-15 ~ dissolved
    IIF 31 - Secretary → ME
  • 14
    SMARTBOX.AI LIMITED
    12679974
    166 College Road, Harrow, England
    Active Corporate (4 parents)
    Equity (Company account)
    -4,800,368 GBP2024-04-30
    Officer
    2020-09-17 ~ now
    IIF 10 - Director → ME
  • 15
    VERTIFI LTD
    08932068
    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
    2016-07-06 ~ dissolved
    IIF 25 - Director → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 6 - Has significant influence or control → OE
Ceased 9
  • 1
    CLOUDTEC LIMITED
    09329683
    Future House, Bromley Common, Bromley, Kent, England
    Active Corporate (2 parents)
    Equity (Company account)
    824 GBP2024-11-30
    Officer
    2016-12-07 ~ 2022-07-27
    IIF 23 - Director → ME
    Person with significant control
    2016-12-07 ~ 2022-07-27
    IIF 7 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 7 - Ownership of shares – More than 25% but not more than 50% → OE
  • 2
    EXCELLERATE SERVICES UK LIMITED - now 02498745, 04998433
    LCC SUPPORT SERVICES LIMITED
    - 2020-07-16 02770135
    OVERSCAN LIMITED
    - 1994-02-21 02770135
    65 Leonard Street, Shoreditch, London, United Kingdom
    Active Corporate (5 parents, 5 offsprings)
    Equity (Company account)
    2,869,633 GBP2021-06-30
    Officer
    1994-01-01 ~ 1996-11-25
    IIF 18 - Director → ME
  • 3
    FESTIVAL4STARS LIMITED
    05335181
    147 Station Road, North Chingford, London
    Dissolved Corporate (2 parents)
    Officer
    2009-08-07 ~ 2011-05-27
    IIF 26 - Director → ME
  • 4
    HYPERPLANES LTD - now
    GRAVICUS LTD.
    - 2023-03-03 09457136
    81 Grove Way, Esher, England
    Active Corporate (2 parents)
    Equity (Company account)
    5,750 GBP2024-04-30
    Person with significant control
    2016-04-06 ~ 2018-04-03
    IIF 2 - Ownership of shares – 75% or more → OE
  • 5
    IPROFILE TECHNOLOGIES LIMITED
    08300968
    166 Moor Lane, Cranham, Upminster, Essex, England
    Dissolved Corporate (2 parents)
    Officer
    2012-11-20 ~ 2014-01-01
    IIF 29 - Director → ME
  • 6
    JOBZOOMA LIMITED
    - now 10127824
    RECRUITERBASE LIMITED - 2017-12-05
    RECRUITER BASE LIMITED - 2016-04-18
    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
    2020-05-01 ~ 2022-07-27
    IIF 16 - Director → ME
    2019-05-31 ~ 2020-04-23
    IIF 17 - Director → ME
  • 7
    MITIE CLEANING (SOUTH EAST) LIMITED
    02092056 03600065, 01000450
    8 Monarch Court, The Brooms, Emersons Green, Bristol
    Active Corporate (3 parents)
    Officer
    ~ 1992-11-02
    IIF 19 - Director → ME
  • 8
    SKILLS PROFILE LIMITED
    - now 08301002
    IPROFILE U.K. LTD
    - 2013-01-24 08301002
    166 Moor Lane, Cranham, Upminster, Essex, England
    Dissolved Corporate (2 parents)
    Officer
    2012-11-20 ~ 2014-01-01
    IIF 30 - Director → ME
  • 9
    WELLING UNITED FOOTBALL CLUB C.I.C.
    08055420 02584003
    The Ground, Park View Road, Welling, Kent
    Active Corporate (2 parents)
    Equity (Company account)
    -637,147 GBP2024-05-31
    Officer
    2019-04-02 ~ 2022-07-08
    IIF 13 - Director → ME

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