JJ DIAGNOSTICS LTD
Active Company number 15971783
JJ DIAGNOSTICS LTD (company number 15971783) is a private limited company incorporated on 23 September 2024. Its status on the Companies House register is Active. Its registered office is in Hitchin, SG5 4LL. Its nature of business (SIC 2007) is hospital activities (86101). Its latest accounts we hold, for the period ending 30 September 2025, report net assets of £4,607.
Source: Companies House register, as at 2 October 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 JJ DIAGNOSTICS LTD (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 Sep 2025 against the year before
- Filing deadlines: accounts due 30 Jun 2027; confirmation statement due 6 Oct 2027
- Financials ledger: 1 year of filed accounts held (2025)
- Who runs and owns it: 1 PSC
- Shareholders: the current register from the filings: each holder, class, shares and percentage
- Charges: none on the register
- Filing history and methodology: with sources and a disclaimer
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Company details
- Company number
- 15971783
- Status
- Active
- Company type
- Private Limited Company
- Incorporated
- 23 September 2024
- Country of origin
- United Kingdom
- Registered office
- 23 High Street
Stotfold
Hitchin
Hertfordshire
SG5 4LL
England
Nature of business (SIC 2007)
Accounts and confirmation statement
- Accounting reference date
- 30 September
- Accounts category
- MICRO ENTITY
- Accounts last made up to
- 30 September 2025
- Next accounts due
- 30 June 2027
- Confirmation statement last made up to
- 22 September 2026
- Next confirmation statement due
- 6 October 2027
Financial summary
| Period ending | 30 September 2025 |
|---|---|
| Total assets | £14k |
| Current liabilities | £9,599 |
| Net current assets | £4,607 |
| Total liabilities | £9,599 |
| Net assets | £4,607 |
| Employees | 1 |
Figures read from filings at Companies House (ixbrl) 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 (1 including ceased)
Questions about JJ DIAGNOSTICS LTD
Is JJ DIAGNOSTICS LTD active?
Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 2 October 2026.)
When was JJ DIAGNOSTICS LTD incorporated?
JJ DIAGNOSTICS LTD was incorporated on 23 September 2024, according to the Companies House register. (Companies House register, as at 2 October 2026.)
Where is JJ DIAGNOSTICS LTD registered?
Its registered office is in Hitchin, SG5 4LL. (Companies House register, as at 2 October 2026.)
Who controls JJ DIAGNOSTICS LTD?
The register lists 1 current person with significant control (1 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/15971783/persons-with-significant-control. (Companies House register, as at 2 October 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows
When are JJ DIAGNOSTICS LTD's next accounts due?
The register shows the next accounts as due by 30 June 2027. Its latest accounts on the register were made up to 30 September 2025. (Companies House register, as at 2 October 2026.)
Does JJ DIAGNOSTICS LTD file dormant accounts?
Not in its latest accounts. The register gives their category as “Micro-entity accounts”, made up to 30 September 2025. (Companies House register, as at 2 October 2026.) What a dormant company is and what it must file
Is JJ DIAGNOSTICS LTD 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 11 October 2026. A name screen is not legal clearance.
Related companies
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- CYGNET HEALTH UK LIMITED
- LIVEWELL SOUTHWEST CIC
- GENESIS SPECIALIST CARE HOLDING UK LIMITED
- CARE FERTILITY GROUP LIMITED
- CATALYST HEALTHCARE (ROMFORD) HOLDINGS LIMITED
- LOCALA COMMUNITY PARTNERSHIPS C.I.C.
- THE HOSPITAL COMPANY (QAH PORTSMOUTH) HOLDINGS LIMITED
Industry overview: 9,460 active companies in SIC 86101
Other active companies registered at SG5 4LL
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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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Official register entry: JJ DIAGNOSTICS LTD on Companies House.
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