ACTIVE DEVICE DEVELOPMENT LIMITED
Company number 07416410 · Active · York YO32 9LE
ACTIVE DEVICE DEVELOPMENT LIMITED is an active private limited company (company number 07416410) incorporated on 22 October 2010, registered in York. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest small accounts cover the period ending 31 October 2025, showing net assets of £3.35m and cash of £1.22m, with 1 employee on average. Net assets rose 9% on the prior period (£3.08m).
By net assets it sits in the top quarter of 631 comparable companies in Other (median £700, upper quartile £44k).
Key dates
- Incorporated
- 22 October 2010
- Next accounts due
- 31 July 2027 — in 282 days
- Confirmation statement due
- 5 November 2026 — in 14 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 October 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £3.35m | £1.22m | £170k | — | — | — | 1 |
| 31 October 2024 | £3.08m | £1.01m | £106k | — | — | — | 1 |
- Cash per employee
- £1.22m
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 72/100 (grade B)
- +10 Positive net assets — Net assets £3,353,997 at 2025-10-31
- +4 Cash reserves — Cash £1,219,550
- +8 Established — Incorporated 2010-10-22 (16 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
- Dr Bryan Greener — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 22 October 2016
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 the UK
Same activity (other research and experimental development on natural sciences and engineering), closest in incorporation date.
- ENERGY DIAGNOSTICS LIMITED — Stirling, inc. Oct 2010
- DF&G LTD — Aldeburgh, inc. Sept 2010
- ENERGY ELECTRONICS LTD — Carlisle, inc. Aug 2010
- ABBEY SCIENTIFIC LIMITED — Amersham, inc. Aug 2010
- ST ANDREWS INNOVATION LIMITED — St. Andrews, inc. Jan 2011
- RESUS TECHNOLOGY LIMITED — Cheltenham,, inc. Jul 2010
All companies incorporated on 22 October 2010 · in Oct 2010.
Reminders for ACTIVE DEVICE DEVELOPMENT LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.