BRAINWAVEBANK LTD.

NI673252 · incorporated 2020-10-08 · Active

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

Registered office

UNIT 5, CONCOURSE BUILDING 3, QUEENS ROAD, BELFAST, ANTRIM, NORTHERN IRELAND, BT3 9DT

Accounts overdue

No

Current ownership (bands, not exact percentages)

Cumulus Neuroscience 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

Sigurdur Saevarsson — 31 March 2022 (appointed)

What the company does

Business and domestic software development

Other research and experimental development on natural sciences and engineering

Other human health activities

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

Latest accounts (2025-10-31)

Net assets: £1

Timeline