Company · Ross on Wye
Magna Laboratories Limited
Other business support service activities n.e.c.
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 2
- Karel Eugene Victor Jollie 2011-2018 View profile
- Andrew Keith Walker 2011-2016 View profile
Directors and secretaries as filed at Companies House.
Do you help lead this organisation? Set up its network · How it works
Public contracts won
1 contract · £80,000 totalFrom Contracts Finder and Find a Tender, the UK Government's public procurement notices, under the Open Government Licence v3.0. Matched to this organisation by company number, charity number or exact name and postcode; every figure links to its source notice.
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Clozapine Assay Testing
Clozapine Assay Testing
About
- What it does
- Other business support service activities n.e.c.
- Incorporated
- 04/04/2011
- Registered office
- Ross on Wye
Ownership
Owned by (3) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- Willem Meijndert Van Rijn
25-50% shares, 25-50% voting, appoints directors · notified 2016-04-06 - Marinka Helthuis-Jollie
25-50% shares, 25-50% voting, appoints directors · notified 2024-05-01 - Karel Eugene Victor Jollie ceased 2018-07-28
25-50% shares, 25-50% voting, appoints directors · notified 2016-04-06
Group
- Magna Laboratories Limited
is controlled by Willem Meijndert Van Rijn
Evidence
active 25-50% shares, 25-50% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
Ultimately controlled by Willem Meijndert Van Rijn.
3 other companies in this group
Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.
Financials
- Net assets
- £457,967
- Total assets
- £457,967
- Cash
- £21,892
- Employees
- 10
- Turnover
- Not reported (small or micro-entity accounts)
Five-year trend
| Period ending | Turnover | Net assets |
|---|---|---|
| 2025-12-31 | Not reported | £457,967 |
| 2025-12-31 | Not reported | £457,967 |
| 2024-12-31 | Not reported | £146,521 |
Figures from accounts filed at Companies House (iXBRL), period ending 2025-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.
Board analysis
Board DNA
How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
2 directors on the board
- Maria Johanna Aleida Helthuis Director · appointed 2013
- Willem Meijndert Van Rijn Director · appointed 2011
Directors past 6 years
- Maria Johanna Aleida Helthuis Director · appointed 2013
- Willem Meijndert Van Rijn Director · appointed 2011
First-time vs portfolio directors
Portfolio (2)
- Maria Johanna Aleida Helthuis Director · appointed 2013
- Willem Meijndert Van Rijn Director · appointed 2011
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Gaps to watch
- Several long-serving directors could step down together
Where to look Suggested search: succession planning for long-tenured seats.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 07588847
- Status
- Active
- Type
- Private Limited Company
- Accounts next due
- 30/09/2027
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data