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JAMMJAR LIMITED

15294462 · incorporated 2023-11-20 · Active

Data as of — company details 1 October 2026 · ownership 9 October 2026 · directors 9 October 2026 · filing history 9 October 2026

Registered office
71-75 SHELTON STREET, COVENT GARDEN, LONDON, UNITED KINGDOM, WC2H 9JQ
Accounts overdue
No
Current ownership (bands, not exact percentages)
Mr Karl Griffin — 50-75% (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
Karl Griffin — 20 November 2023 (appointed)
Richard Thomas Anstey Hadden — 1 January 2026 (appointed)
Chris Underhill — 29 September 2025 (appointed)
What the company does
Business and domestic software development
Other information technology service activities
Data processing, hosting and related activities
Web portals

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

Latest accounts (2025-12-31)
Net assets: £189,731
Average employees: 5

Timeline

See everything that has happened at JAMMJAR LIMITED, in date order

The full timeline puts every director change, ownership change, accounts filing, charge and share issue on one page, with figures from the company’s accounts charted alongside — and you can download it as CSV or Excel. Full access is needed to view it.