OPTALYSYS LTD
Company number 08575493 · Active · Leeds LS1 4JB
OPTALYSYS LTD is an active private limited company (company number 08575493) incorporated on 19 June 2013, registered in Leeds. 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 £24.67m and cash of £24.65m, with 50 employees on average. Net assets rose 97% on the prior period (£12.50m).
By net assets it sits in the top quarter of 77 comparable companies in Leeds (median £100, upper quartile £63k).
Key dates
- Incorporated
- 19 June 2013
- Next accounts due
- 30 September 2027 — in 345 days
- Confirmation statement due
- 3 July 2027 — in 256 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
- Small
- Size band
- Small (Companies Act thresholds)
Financials — 3 periods on record, latest ending 31 December 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £24.67m | £24.65m | £790k | £1.11m | — | −£12.18m | 50 |
| 31 December 2024 | £12.50m | £12.77m | £459k | £874k | — | −£7.23m | 32 |
| 31 December 2023 | — | — | — | — | — | — | — |
- Current ratio
- 23.13 — comfortable
- Cash per employee
- £493k
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 93/100 (grade A)
- +10 Positive net assets — Net assets £24,672,812 at 2025-12-31
- +8 Net assets growing — +97.3% vs prior period
- +8 Comfortable liquidity — Current ratio 23.13
- +4 Cash reserves — Cash £24,647,597
- +5 Multi-year filing history — 3 periods on record
- +8 Established — Incorporated 2013-06-19 (13 years)
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
- Lingotto Investment Management Llp (corporate entity, England And Wales) — holds 25–50% of voting rights · since 12 July 2023
- Northern Gritstone Limited (corporate entity, England And Wales) — holds 25–50% of voting rights · since 22 December 2025
- (persons with significant control statement) — · since 5 June 2017 · ceased 12 July 2023
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 Leeds
Same activity (other research and experimental development on natural sciences and engineering), closest in incorporation date.
- RGL INNOVATIONS LIMITED — Castleford, inc. Apr 2013
- ARTOS INNOVATION LTD — Leeds, inc. Feb 2013
- ETHOSS REGENERATION LTD — Keighley, inc. Feb 2013
- LOGICOR (R&D) LIMITED — Wetherby, inc. Dec 2012
- NOBLEMARSH LIMITED — Keighley, inc. Jan 2014
- GLISSADE LIMITED — Leeds, inc. Feb 2014
Reminders for OPTALYSYS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.