£54k
−6%vs Apr 2025Active15675158Private limited companyLondon
GRAMICS BIO LTD
Significant control: Alice Preston (25–50%), Oliver Charles Rayner (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Gramics Bio Ltd 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
GRAMICS BIO LTD is an active private limited company (company number 15675158) incorporated on 24 April 2024, registered in London. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest micro accounts cover the period ending 30 April 2026, showing net assets of £54k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 6% on the prior period (£58k).
Peer position · net assets
By net assets it sits in the upper half of 603 comparable companies in London (median £440, upper quartile £92k).
02
Ownership and control
- Dr Alice Preston
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr Oliver Charles Rayner
- owns 25–50% of shares
- Dr Duygu Yilmaz
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Cystic Fibrosis Foundation
- 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
- 24 April 20242 yrs ago
- Next accounts due
- 30 January 2028in 462 days
- Confirmation statement due
- 8 May 2027in 195 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
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
−33%vs Apr 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 April 2026 | £54k | — | — | — | — | — | 2 |
| 30 April 2025 | £58k | — | — | — | — | — | 3 |
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 £53,968 at 30 April 2026
- Incorporated two to five years agoIncorporated 24 April 2024
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 462 days
- Confirmation statement duein 195 days
- Accounts period endNet assets £54k · micro accounts
- Accounts period endNet assets £58k · micro accounts
- Incorporated
08
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All companies incorporated on 24 April 2024 · in Apr 2024.
09
Reminders for GRAMICS BIO LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.