£152k
+54%vs Mar 2024Active13979783Private limited companyLondon
CITY OPTOTECH LTD
Significant control: Matthias Fabian (25–50%), Prof Tong Sun (25–50%) and 1 more
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 City Optotech Ltd sell?
Registered activity: Other research and experimental development on natural sciences and engineering (SIC 72190). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
CITY OPTOTECH LTD is an active private limited company (company number 13979783) incorporated on 16 March 2022, registered in London. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest micro accounts cover the period ending 31 March 2025, showing net assets of £152k, with 3 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 54% on the prior period (£99k).
Peer position · net assets
By net assets it sits in the top quarter of 654 comparable companies in London (median £101, upper quartile £41k).
02
Ownership and control
- Dr Matthias Fabian
- owns 25–50% of shares
- holds 25–50% of voting rights
- Prof Tong Sun
- owns 25–50% of shares
- holds 25–50% of voting rights
- Prof Kenneth Thomas Victor Grattan
- owns 25–50% of shares
- holds 25–50% 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
- 16 March 20224 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 30 March 2027in 158 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
3
+50%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £152k | — | — | — | — | — | 3 |
| 31 March 2024 | £99k | — | — | — | — | — | 2 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £152,350 at 31 March 2025
- Net assets up 10% or more on the prior period+53.8% vs prior period
- Incorporated two to five years agoIncorporated 16 March 2022
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
- Confirmation statement duein 158 days
- Next accounts duein 69 days
- Accounts period endNet assets £152k · micro accounts
- Accounts period endNet assets £99k · micro accounts
- Incorporated
08
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All companies incorporated on 16 March 2022 · in Mar 2022.
09
Reminders for CITY OPTOTECH LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.