£7.78m
−17%vs Mar 2025Active13965733Private limited companyCambridge
SYNDEX BIO LTD
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Syndex Bio Ltd: 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 Syndex 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.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
SYNDEX BIO LTD is an active private limited company (company number 13965733) incorporated on 9 March 2022, registered in Cambridge. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest small accounts cover the period ending 31 March 2026, showing net assets of £7.78m and cash of £7.19m, with 15 employees on average. Net assets fell 17% on the prior period (£9.43m).
Peer position · net assets
By net assets it sits in the top quarter of 196 comparable companies in Cambridge (median £15k, upper quartile £347k).
02
Ownership and control
No active person with significant control is registered.
- Mr Geoffrey Paul Smith
- 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
- 9 March 20224 yrs ago
- Next accounts due
- 31 December 2027in 433 days
- Confirmation statement due
- 23 March 2027in 150 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
- SmallCompanies Act thresholds
05
Financials
£7.19m
−21%vs Mar 2025Not reported
15
+114%vs Mar 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2026 | £7.78m | £7.19m | £582k | — | — | — | 15 |
| 31 March 2025 | £9.43m | £9.06m | £343k | — | — | — | 7 |
Cash per employee£479kCash ÷ 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 above zeroNet assets £7,782,439 at 31 March 2026
- Cash at bank of £50,000 or moreCash £7,185,333
- Incorporated two to five years agoIncorporated 9 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
- Next accounts duein 433 days
- Confirmation statement duein 150 days
- Accounts period endNet assets £7.78m · small accounts
- Accounts period endNet assets £9.43m · small accounts
- Incorporated
08
Similar companies in Cambridge
09
Reminders for SYNDEX BIO LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.