−£1.29m
vs Feb 2025Active10665979Private limited companySalisbury
SOTERIOS LIMITED
Significant control: Mark Edward Brimble (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Soterios Limited sell?
Registered activity: Research and experimental development on biotechnology (SIC 72110). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SOTERIOS LIMITED is an active private limited company (company number 10665979) incorporated on 13 March 2017, registered in Salisbury. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest small accounts cover the period ending 28 February 2026, showing net assets of −£1.29m and cash of £276k, with 1 employee on average. Net assets fell 100% on the prior period (−£646k).
Peer position · net assets
By net assets it sits in the bottom quarter of 278 comparable companies in Other (median £129, upper quartile £59k).
02
Ownership and control
- Mr Mark Edward Brimble
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr David Martyn Fleet
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 13 March 20179 yrs ago
- Next accounts due
- 28 November 2027in 396 days
- Confirmation statement due
- 27 March 2027in 150 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 72110
- Research and experimental development on biotechnology
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£276k
−52%vs Feb 2025Not reported
1
No changevs Feb 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 28 February 2026 | −£1.29m | £276k | £65k | — | — | — | 1 |
| 28 February 2025 | −£646k | £575k | £345k | — | — | — | 1 |
Cash per employee£276kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets below zeroNet assets £-1,290,499 at 28 February 2026
- Net assets down 25% or more on the prior period-99.6% vs prior period
- Cash at bank of £50,000 or moreCash £276,158
- Incorporated five or more years agoIncorporated 13 March 2017
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 396 days
- Confirmation statement duein 150 days
- Accounts period endNet liabilities £1.29m · small accounts
- Accounts period endNet liabilities £646k · small accounts
- Incorporated
08
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- ACTIVIROSOMES LIMITEDFersfield · inc. Jan 2017
All companies incorporated on 13 March 2017 · in Mar 2017.
09
Reminders for SOTERIOS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.