SEPRIFY (UK) LTD.
Company number 13763753 · Active · London N1 7GU
SEPRIFY (UK) LTD. is an active private limited company (company number 13763753) incorporated on 24 November 2021, registered in London. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest small accounts cover the period ending 31 December 2025, showing net assets of −£42k and cash of £7,511, with 1 employee on average. Net assets rose 14% on the prior period (−£49k).
By net assets it sits in the bottom quarter of 654 comparable companies in London (median £101, upper quartile £41k).
Key dates
- Incorporated
- 24 November 2021
- Next accounts due
- 30 September 2027 — in 343 days
- Confirmation statement due
- 8 December 2026 — in 47 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 December 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | −£42k | £7,511 | — | — | — | — | 1 |
| 31 December 2024 | −£49k | £11k | — | — | — | — | 0 |
- Cash per employee
- £7,511
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 47/100 (grade D)
- -15 Negative net assets — Net assets £-42,236 at 2025-12-31
- +8 Net assets growing — +14.2% vs prior period
- +4 Past first filings — Incorporated 2021-11-24
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
No active person with significant control is registered.
- (persons with significant control statement) — · since 12 March 2026
- Prof Silvia Vignolini — owns 25–50% of shares · since 24 November 2021 · ceased 6 December 2021
- Dr Lukas Schertel — owns 25–50% of shares · since 24 November 2021 · ceased 24 October 2022
- Mr Oliver Polcher — owns 25–50% of shares · since 24 November 2021 · ceased 24 October 2022
- Seprify Ag (corporate entity, Switzerland) — owns 75–100% of shares; holds 75–100% of voting rights · since 24 October 2022 · ceased 12 March 2026
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in London
Same activity (other research and experimental development on natural sciences and engineering), closest in incorporation date.
- BITOMIX LTD — London, inc. Nov 2021
- THE FIRST ELEMENT GROUP LTD — London, inc. Dec 2021
- GREEN GRID ENERGY LTD — London, inc. Nov 2021
- RATCHET AND PAWL LTD — London, inc. Dec 2021
- ORB MONITOR LTD — London, inc. Nov 2021
- JULIUS CLINICAL RESEARCH UK LTD — London, inc. Dec 2021
All companies incorporated on 24 November 2021 · in Nov 2021.
Reminders for SEPRIFY (UK) LTD.
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.