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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

Hammer, Jan

    Related profiles found in government register
  • Hammer, Jan
    British born in September 1976

    Resident in England

    Registered addresses and corresponding companies
    • C/o S&w Partners Llp, Onslow House, Onslow Street, Guildford, GU1 4TL, United Kingdom

      IIF 1
    • 201, Bishopsgate, London, EC2M 3AB, England

      IIF 2
    • 3, Burlington Gardens, London, W1S 3EP, England

      IIF 3
    • Suite A, 6 Honduras Street, London, EC1Y 0TH, United Kingdom

      IIF 4
  • Hammer, Jan
    British investor born in September 1976

    Resident in England

    Registered addresses and corresponding companies
    • 3b Burlington Gardens, Burlington Gardens, London, W1S 3EP, England

      IIF 5
  • Hammer, Jan
    born in September 1976

    Resident in England

    Registered addresses and corresponding companies
    • 5 To 8, Lower John Street, London, W1F 9DY, England

      IIF 6
  • Hammer, Jan
    British director born in September 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Index Ventures, 3 Burlington Gardens, London, W1S 3EP, United Kingdom

      IIF 7
  • Mr Jan Hammer
    British born in September 1976

    Resident in England

    Registered addresses and corresponding companies
    • C/o S&w Partners Llp, Onslow House, Onslow Street, Guildford, GU1 4TL, United Kingdom

      IIF 8
  • Hammer, Jan
    Czech inv manager born in September 1976

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 36 St George's Drive, London, SW1V 4BN

      IIF 9
child relation
Offspring entities and appointments 8
  • 1
    36 ST. GEORGE'S DRIVE FLAT MANAGEMENT LIMITED
    - now 04473088
    THORNELL FLAT MANAGEMENT LIMITED - 2002-08-13
    Stonemead House, 95 London Road, Croydon, Surrey, United Kingdom
    Active Corporate (11 parents)
    Equity (Company account)
    9,986 GBP2024-06-30
    Officer
    2005-08-30 ~ 2012-08-03
    IIF 9 - Director → ME
  • 2
    APRON PAYMENTS LTD
    - now 13779960
    HELLO CASH LTD - 2023-02-17
    201 Bishopsgate, London, England
    Active Corporate (5 parents)
    Equity (Company account)
    11,507,187 GBP2023-12-31
    Officer
    2023-07-28 ~ now
    IIF 2 - Director → ME
  • 3
    CODAT LIMITED
    10480375
    15 Long Lane, London, England
    Active Corporate (8 parents)
    Profit/Loss (Company account)
    -20,378,071 GBP2024-01-01 ~ 2024-12-31
    Officer
    2020-05-22 ~ 2021-10-04
    IIF 7 - Director → ME
  • 4
    CREDIT BENCHMARK LIMITED
    08065100 07182348
    Suite A, 6 Honduras Street, London, United Kingdom
    Active Corporate (11 parents)
    Equity (Company account)
    -5,125,427 GBP2024-12-31
    Officer
    2014-06-23 ~ now
    IIF 4 - Director → ME
  • 5
    INDEX VENTURES (UK) LLP
    - now OC344205
    INDEX VENTURE MANAGEMENT LLP
    - 2014-11-28 OC344205 04672531
    INDEX VENTURE MANAGEMENT SERVICES LLP - 2009-06-29 04672531
    5 To 8 Lower John Street, London, England
    Active Corporate (17 parents, 1 offspring)
    Officer
    2011-12-01 ~ now
    IIF 6 - LLP Designated Member → ME
  • 6
    IVXS UK LIMITED
    08964733
    86-90 Paul Street, London, United Kingdom
    Active Corporate (7 parents)
    Equity (Company account)
    18,511,919 GBP2019-03-31
    Officer
    2018-12-27 ~ now
    IIF 3 - Director → ME
  • 7
    RADICAL HQ LIMITED
    12580247
    6a Nesbitts Alley, Barnet, England
    Liquidation Corporate (4 parents)
    Equity (Company account)
    6,155,289 GBP2024-04-30
    Officer
    2020-12-09 ~ 2024-06-13
    IIF 5 - Director → ME
  • 8
    TIGER JENNIE
    12185165
    C/o S&w Partners Llp Onslow House, Onslow Street, Guildford, United Kingdom
    Active Corporate (2 parents)
    Officer
    2019-09-02 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2019-09-02 ~ now
    IIF 8 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 8 - Ownership of shares – 75% or more OE

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