# CYTOCHROMA LIMITED (SC579331)

> CYTOCHROMA LIMITED is an active private limited company (company number SC579331) incorporated on 19 October 2017, registered in Roslin. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest small accounts cover the period ending 31 October 2025, showing net assets of −£19k and cash of £290k, with 3 employees on average. Net assets rose 55% on the prior period (−£43k). Across the last 3 periods on record the net-asset trend is rising.

- Status: Active
- Incorporated: 2017-10-19
- Registered office: Roslin, EH25 9RG
- SIC 72110: Research and experimental development on biotechnology
- Next accounts due: 2027-07-31
- Confirmation statement due: 2026-11-02
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the bottom quarter of 62 comparable companies in Edinburgh (median £4,168, upper quartile £51k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-10-31 | −£19k | £290k | £46k | £85k | — | — | 3 |
| 2024-10-31 | −£43k | £31k | £33k | £77k | — | — | 3 |
| 2023-10-31 | −£93k | £687 | £32k | £105k | — | — | 2 |

current ratio 3.96; net assets trend rising; size band micro.

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

- Net assets below zero: Net assets £-19,336 at 31 October 2025
- Net assets up 10% or more on the prior period: +54.7% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 3.96
- Cash at bank of £50,000 or more: Cash £290,057
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 19 October 2017

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

## Persons with significant control

- Dr Katherine Rachel Cameron — owns 75–100% of shares; holds 75–100% of voting rights, since 2017-10-19

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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/SC579331
HTML: https://firmoscan.com/company/SC579331-cytochroma-limited