−£19k
vs Oct 2024ActiveSC579331Private limited companyRoslin
CYTOCHROMA LIMITED
Significant control: Katherine Rachel Cameron (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Cytochroma Limited sell?
Registered activity: Research and experimental development on biotechnology (SIC 72110). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
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.
Peer position · net assets
By net assets it sits in the bottom quarter of 62 comparable companies in Edinburgh (median £4,168, upper quartile £51k).
02
Ownership and control
- Dr Katherine Rachel Cameron
- owns 75–100% of shares
- holds 75–100% of voting rights
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 19 October 20179 yrs ago
- Next accounts due
- 31 July 2027in 281 days
- Confirmation statement due
- 2 November 2026in 10 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 72110
- Research and experimental development on biotechnology
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£290k
+851%vs Oct 2024Not reported
3
No changevs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | −£19k | £290k | £46k | £85k | — | — | 3 |
| 31 October 2024 | −£43k | £31k | £33k | £77k | — | — | 3 |
| 31 October 2023 | −£93k | £687 | £32k | £105k | — | — | 2 |
Current ratio3.96Current assets ÷ creditors within one year
Cash per employee£97kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets below zeroNet 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 yearCurrent ratio 3.96
- Cash at bank of £50,000 or moreCash £290,057
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 19 October 2017
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 281 days
- Confirmation statement duein 10 days
- Accounts period endNet liabilities £19k · small accounts
- Accounts period endNet liabilities £43k · small accounts
- Accounts period endNet liabilities £93k · small accounts
- Incorporated
08
Similar companies in Edinburgh
- CUMULUS ONCOLOGY LIMITEDEdinburgh · inc. Nov 2017
- BANGLEY QUARRY BIOGAS LTDEdinburgh · inc. Mar 2018
- THE AQUAPONICS GARDEN LIMITEDEdinburgh · inc. Apr 2018
- ADORX THERAPEUTICS LIMITEDEdinburgh · inc. Feb 2017
- CARCINOTECH LTDEdinburgh · inc. Jul 2018
- ORIGIN PEPTIDES LIMITEDLinlithgow · inc. Sept 2018
All companies incorporated on 19 October 2017 · in Oct 2017.
09
Reminders for CYTOCHROMA LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.