£98k
No changevs Mar 2024Active13805100Private limited companyNewcastle Upon Tyne
GOOD DIAGNOSTICS INC. LIMITED
Significant control: Great North Research And Innovation Ltd (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Good Diagnostics Inc. 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.
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01
Summary
GOOD DIAGNOSTICS INC. LIMITED is an active private limited company (company number 13805100) incorporated on 16 December 2021, registered in Newcastle Upon Tyne. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest small accounts cover the period ending 31 March 2025, showing net assets of £98k, with 1 employee on average. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the top quarter of 2,418 comparable companies in the UK (median £1,000, upper quartile £92k).
02
Ownership and control
- Great North Research And Innovation Ltd
- 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
- 16 December 20214 yrs ago
- Next accounts due
- 31 December 2026in 66 days
- Confirmation statement due
- 30 December 2026in 65 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
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- SIC 74909
- Other professional, scientific and technical activities n.e.c.
- SIC 77400
- Leasing of intellectual property and similar products, except copyright works
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not reported
1
vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £98k | — | £63k | — | — | — | 1 |
| 31 March 2024 | £98k | — | £63k | — | — | — | 0 |
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 £98,424 at 31 March 2025
- Incorporated two to five years agoIncorporated 16 December 2021
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 66 days
- Confirmation statement duein 65 days
- Accounts period endNet assets £98k · small accounts
- Accounts period endNet assets £98k · small accounts
- Incorporated
08
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All companies incorporated on 16 December 2021 · in Dec 2021.
09
Reminders for GOOD DIAGNOSTICS INC. LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.