Wizso
1 known investors
Find your way into Wizso
128 people in our graph share verified history with the Wizso team — schools, employers, funds. One of them is your warm intro.
Nessan Berminghamunlockedknows Arthur O'Brien · together at Queen's University Belfast (overlapped)
×3knows the team · via KPMG Ireland
knows the team · via Golder Associates
×3knows the team · via Queen's University Belfast
knows the team · via auditcomply
×3knows the team · via Ulster University
Wizso makes water-soluble pellets that eliminate the need to flush toilets, reducing water consumption and household costs. The product targets environmentally conscious consumers seeking sustainable bathroom practices.
Founders & leadership
MG

Mark GilliganinFounder, Chartered EngineerMark Gilligan is a Chartered Engineer with a B.Eng in Civil Engineering and MSc in Project Management from Ulster University. He has held business development and management roles in information technology, professional services, and waste management, including serving as Managing Director of a professional services firm with operations across the UK, Ireland, and Germany.
AO
Arthur O'BrieninFounder, Chartered AccountantArthur O'Brien is a Chartered Accountant and founder of Wizso, which develops water-soluble pellets designed to reduce toilet flushing and household water consumption.
Board
SC
Scott ChristieEntrepreneur, Investor, NED
Investors · 1
Companies House · registry record
View on Companies House ↗- Registered name
- WIZSO LIMITED
- Company number
- NI672747
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 Sept 2020
- Registered office
- 405 Lisburn Road, Belfast, BT9 7EW
- Nature of business (SIC)
- 74901 — Environmental consulting activities
- Accounts
- last made up to 31 Dec 2024 · next due 31 Dec 2026
- Confirmation statement
- last made up to 24 Sept 2025 · next due 8 Oct 2026
Current officers · 4
- Arthur O'Brien — secretary, appointed 18 Sept 2020
- Scott Somervaille Christie — director, appointed 2 Jan 2024
- Mark Fintan Gilligan — director, appointed 18 Sept 2020
- Arthur O'Brien — director, appointed 18 Sept 2020
Source: Companies House public register · retrieved 13 Sept 2026. Contains public sector information licensed under the Open Government Licence v3.0.
In the news
Frequently asked questions
- What does Wizso do?
- Wizso makes water-soluble pellets that eliminate the need to flush toilets, reducing water consumption and household costs. The product targets environmentally conscious consumers seeking sustainable bathroom practices.
- Who founded Wizso?
- Wizso was founded by Mark Gilligan, Arthur O'Brien.
- Who are Wizso's investors?
- Wizso's investors include Clarendon Fund Managers Ltd..

