# GOOD DIAGNOSTICS INC. LIMITED (13805100)

> 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.

- Status: Active
- Incorporated: 2021-12-16
- Registered office: Newcastle Upon Tyne, NE1 3DX
- 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
- Next accounts due: 2026-12-31
- Confirmation statement due: 2026-12-30
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 2,418 comparable companies in the UK (median £1,000, upper quartile £92k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | £98k | — | £63k | — | — | — | 1 |
| 2024-03-31 | £98k | — | £63k | — | — | — | 0 |

size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £98,424 at 31 March 2025
- Incorporated two to five years ago: Incorporated 16 December 2021

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Great North Research And Innovation Ltd (corporate-entity) — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2021-12-16

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/13805100
HTML: https://firmoscan.com/company/13805100-good-diagnostics-inc-limited