HACK THE BOX LTD

10826193 · incorporated 2017-06-20 · Active

Data as of — company details 1 September 2026 · ownership 27 September 2026 · directors 19 September 2026 · filing history 26 September 2026

Registered office

PLEXAL HERE EAST, QUEEN ELIZABETH OLYMPIC PARK, STRATFORD, LONDON, ENGLAND, E15 2GW

Accounts overdue

No

Current ownership (bands, not exact percentages)

Octachoron Bidco Limited — 75-100% (shares)

Only holders of 25% or more are registered as persons with significant control, so this list won’t add up to 100% — the remainder is held by people below that threshold, whom Companies House doesn’t name.

Current directors

Nikos Fountas — 5 April 2023 (appointed)

James Hooker — 8 March 2019 (appointed)

Charalampos Antonios Pylarinos — 20 June 2017 (appointed)

Gibbuda Emmett Witham — 7 January 2026 (appointed)

What the company does

Other information technology service activities

Self-reported to Companies House, not verified against actual trading activity.

Latest accounts (2021-12-31)

Net assets: £6,082,036
Average employees: 19

Timeline