# OPTELLUM LTD (09846477)

> OPTELLUM LTD is an active private limited company (company number 09846477) incorporated on 28 October 2015, registered in Oxford. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest small accounts cover the period ending 31 December 2025, showing net assets of £6.57m and cash of £3.25m, with 34 employees on average. Net assets rose 63% on the prior period (£4.02m). Across the last 3 periods on record the net-asset trend is volatile.

- Status: Active
- Incorporated: 2015-10-28
- Registered office: Oxford, OX2 0DP
- SIC 72110: Research and experimental development on biotechnology
- Next accounts due: 2027-09-30
- Confirmation statement due: 2026-11-11
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 152 comparable companies in Oxford (median £10k, upper quartile £474k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | £6.57m | £3.25m | £4.75m | £1.46m | — | — | 34 |
| 2024-12-31 | £4.02m | £2.15m | £2.66m | £819k | — | — | 36 |
| 2024-06-30 | £5.15m | £3.53m | £2.22m | £642k | — | — | 35 |

current ratio 5.48; net assets trend volatile; size band small.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £6,572,438 at 31 December 2025
- Net assets up 10% or more on the prior period: +63.3% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 5.48
- Cash at bank of £50,000 or more: Cash £3,248,182
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 28 October 2015

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- null (persons-with-significant-control-statement) — , since 2016-10-27

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/09846477
HTML: https://firmoscan.com/company/09846477-optellum-ltd