£20k
+34%vs Dec 2023Active11115912Private limited companyLondon
JEMYLL LIMITED
Significant control: Lidia Castagneto Gissey (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Jemyll Limited: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does Jemyll 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.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
JEMYLL LIMITED is an active private limited company (company number 11115912) incorporated on 18 December 2017, registered in London. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest micro accounts cover the period ending 31 December 2024, showing net assets of £20k, with 6 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 34% on the prior period (£15k).
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 Lidia Castagneto Gissey
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
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
- 18 December 20178 yrs ago
- Next accounts due
- 30 September 202624 days overdue
- Confirmation statement due
- 1 January 2027in 69 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
6
No changevs Dec 2023| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2024 | £20k | — | — | — | — | — | 6 |
| 31 December 2023 | £15k | — | — | — | — | — | 6 |
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 £20,000 at 31 December 2024
- Net assets up 10% or more on the prior period+34.0% vs prior period
- Incorporated five or more years agoIncorporated 18 December 2017
- Accounts past their due dateDue 30 September 2026
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 69 days
- Next accounts due24 days overdue
- Accounts period endNet assets £20k · micro accounts
- Accounts period endNet assets £15k · micro accounts
- Incorporated
08
Similar companies in London
- CHRONOMICS LIMITEDLondon · inc. Dec 2017
- RESOLUTION THERAPEUTICS LIMITEDLondon · inc. Dec 2017
- LIFEARC INNOVATIONS LIMITEDLondon · inc. Dec 2017
- CRAIG-TIDOU LTD.London · inc. Jan 2018
- CELEGENCE LIMITEDLondon · inc. Jan 2018
- REMEDY LABS RESEARCH GROUP LTDLondon · inc. Nov 2017
All companies incorporated on 18 December 2017 · in Dec 2017.
09
Reminders for JEMYLL LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.