APTAMER GROUP PLC
Active Company number 09061413
APTAMER GROUP PLC (company number 09061413) is a public limited company incorporated on 29 May 2014. Its status on the Companies House register is Active. Its registered office is in York, YO10 5BR. Its nature of business (SIC 2007) is research and experimental development on biotechnology (72110). Its latest accounts we hold, for the period ending 30 June 2025, report turnover of £1.2m and net assets of £1.4m.
Source: Companies House register, as at 29 September 2026. How to cite this page
Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.
Company Report on APTAMER GROUP PLC (PDF)
Page 1 answers whether we would trade with it, and on what terms, by rules stated on the page. The register, the accounts and the people behind the company in one PDF, for your own business use.
- The verdict: would we trade with it, on what terms: a starting credit limit from the latest balance sheet, the risk grade with its reasons, and the checks to make before you sign
- Summary and Health Score: with the reasons behind the score
- Red flags: and what changed in the last 12 months
- Key figures: the accounts to 30 Jun 2025 against the year before
- Filing deadlines: accounts due 31 Dec 2026; confirmation statement due 12 Jun 2027
- Financials ledger: 7 years of filed accounts held (2015–2025)
- Who runs and owns it: 1 PSC
- Charges: none on the register
- Filing history and methodology: with sources and a disclaimer
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Company details
- Company number
- 09061413
- Status
- Active
- Company type
- Public Limited Company
- Incorporated
- 29 May 2014
- Country of origin
- United Kingdom
- Registered office
- WINDMILL HOUSE
INNOVATION WAY
YORK
YO10 5BR
ENGLAND
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 30 June
- Accounts category
- GROUP
- Accounts last made up to
- 30 June 2025
- Next accounts due
- 31 December 2026
- Confirmation statement last made up to
- 29 May 2026
- Next confirmation statement due
- 12 June 2027
Financial summary
| Period ending | 30 June 2025 | 30 June 2024 | 31 March 2020 | 31 March 2019 | 31 March 2017 | 31 March 2016 | 31 May 2015 |
|---|---|---|---|---|---|---|---|
| Turnover | £1.2m | £860k | — | — | — | — | — |
| Gross profit | £579k | £250k | — | — | — | — | — |
| Operating profit | −£2.5m | −£3.1m | — | — | — | — | — |
| Profit before tax | −£2.6m | −£3.1m | — | — | — | — | — |
| Profit after tax | — | — | — | −£355k | −£239k | — | — |
| Total assets | £2.8m | £2.8m | £2.3m | £2.2m | £1.2m | £870k | £532k |
| Cash at bank | — | — | £64k | £239k | £179k | £15k | £248k |
| Current liabilities | £1.2m | £1.3m | £221k | £113k | £157k | £34k | £403k |
| Net current assets / (liabilities) | — | — | £1.6m | £1.7m | £652k | £402k | (£8,207) |
| Total liabilities | — | £1.9m | £222k | £113k | £157k | £41k | £403k |
| Net assets | £1.4m | £887k | £2.1m | £2.1m | £1.1m | £829k | £129k |
| Employees | — | — | 26 | 19 | 9 | — | — |
—: no figure read from the filing.
Figures read from filings at Companies House (group) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.
Control, officers and charges
- Persons with significant control
- 1 current (3 including ceased)
Previous names
- BLUEBIRD 123 LIMITED (changed 20 April 2015)
Questions about APTAMER GROUP PLC
Is APTAMER GROUP PLC active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)
When was APTAMER GROUP PLC incorporated?
APTAMER GROUP PLC was incorporated on 29 May 2014, according to the Companies House register. (Companies House register, as at 29 September 2026.)
Where is APTAMER GROUP PLC registered?
Its registered office is in York, YO10 5BR. (Companies House register, as at 29 September 2026.)
Who controls APTAMER GROUP PLC?
The register lists 1 current person with significant control (3 including those who have ceased). The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/09061413/persons-with-significant-control. (Companies House register, as at 29 September 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are APTAMER GROUP PLC's next accounts due?
The register shows the next accounts as due by 31 December 2026. Its latest accounts on the register were made up to 30 June 2025. (Companies House register, as at 29 September 2026.)
Does APTAMER GROUP PLC file dormant accounts?
Not in its latest accounts. The register gives their category as “Group accounts”, made up to 30 June 2025. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file
Is APTAMER GROUP PLC on a sanctions list?
No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 10 October 2026. A name screen is not legal clearance.
Related companies
More research and experimental development on biotechnology companies
- IQVIA LABORATORIES DISCOVERY UK LTD
- CENTRE FOR PROCESS INNOVATION LIMITED
- GROW GROUP LIMITED
- CHARLES RIVER U.K. LIMITED
- MEDICINES DISCOVERY CATAPULT LIMITED
- ORIGIO LIMITED
- AVIADOBIO LTD
- THERADEX (EUROPE) LIMITED
Industry overview: 4,014 active companies in SIC 72110
Other active companies registered at YO10 5BR
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About CompanyStack
CompanyStack turns Companies House records into answers you can act on: who a company is, who runs and owns it, whether it keeps up with its filings and how its finances are moving. Every figure traces back to a public record, and we say when a record is missing.
Sources for company pages: Companies House (register, accounts, officers, PSCs, charges and filings), The Gazette (company insolvency notices only), the ONS Postcode Directory, official sanctions lists, including those of the UK (with UN designations), the EU, the US, Canada, Australia, New Zealand and France, and copies taken in April 2026 of the ICO register, the Charity Commission, CQC, Ofsted, Food Standards Agency and Environment Agency registers. Contains public sector information licensed under the Open Government Licence v3.0. CompanyStack is not affiliated with or endorsed by Companies House.
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Use this data
Official register entry: APTAMER GROUP PLC on Companies House.
Developers can fetch this profile as JSON with GET https://api.companystack.co.uk/company/09061413 — see the API documentation and pricing.