£35k
−57%vs Jan 2025Active12421858Private limited companyWoodstock
UPSTART BIO LTD
Significant control: Matthew Alun Crow (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Upstart Bio Ltd sell?
Registered activity: Other professional, scientific and technical activities n.e.c. (SIC 74909). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
UPSTART BIO LTD is an active private limited company (company number 12421858) incorporated on 23 January 2020, registered in Woodstock. Its registered activity is other professional, scientific and technical activities n.e.c. (SIC 74909). Latest micro accounts cover the period ending 31 January 2026, showing net assets of £35k, 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 57% on the prior period (£82k).
Peer position · net assets
By net assets it sits in the upper half of 644 comparable companies in Oxford (median £9,763, upper quartile £74k).
02
Ownership and control
- Dr Matthew Alun Crow
- 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
- 23 January 20206 yrs ago
- Next accounts due
- 31 October 2027in 373 days
- Confirmation statement due
- 6 February 2027in 106 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 74909
- Other professional, scientific and technical activities n.e.c.
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
No changevs Jan 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 January 2026 | £35k | — | — | — | — | — | 2 |
| 31 January 2025 | £82k | — | — | — | — | — | 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 £35,329 at 31 January 2026
- Net assets down 25% or more on the prior period-57.2% vs prior period
- Incorporated five or more years agoIncorporated 23 January 2020
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 373 days
- Confirmation statement duein 106 days
- Accounts period endNet assets £35k · micro accounts
- Accounts period endNet assets £82k · micro accounts
- Incorporated
08
Similar companies in Oxford
- LIVESEY BUILDING CONSULTANCY LTDThame · inc. Jan 2020
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- JWS MARKING LIMITEDBicester · inc. Jan 2020
- SYDEREK LIMITEDThame · inc. Jan 2020
- PEASE HOLDING LIMITEDChipping Norton · inc. Feb 2020
- HIGH HAZARD MANAGEMENT LTDAbingdon · inc. Feb 2020
All companies incorporated on 23 January 2020 · in Jan 2020.
09
Reminders for UPSTART BIO LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.