£4.53m
No changevs Dec 2023Active03141527Private limited companyBoldon
IMMUNODIAGNOSTIC SYSTEMS LIMITED
Significant control: Immunodiagnostic Systems Holdings Limited (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Immunodiagnostic Systems Limited sell?
Registered activity: Other manufacturing n.e.c. (SIC 32990). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
IMMUNODIAGNOSTIC SYSTEMS LIMITED is an active private limited company (company number 03141527) incorporated on 27 December 1995, registered in Boldon. Its registered activity is other manufacturing n.e.c. (SIC 32990). Latest full accounts cover the period ending 29 December 2024, showing net assets of £4.53m and cash of £1.12m, with 58 employees on average. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the top quarter of 247 comparable companies in Newcastle (median £10k, upper quartile £185k).
02
Ownership and control
- Immunodiagnostic Systems Holdings Limited
- owns 75–100% of shares
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
- 27 December 199530 yrs ago
- Next accounts due
- 29 September 202629 days overdue
- Confirmation statement due
- 10 January 2027in 74 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 32990
- Other manufacturing n.e.c.
- Accounts type
- Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£1.12m
−28%vs Dec 2023Not reported
58
+4%vs Dec 2023| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 29 December 2024 | £4.53m | £1.12m | £7.14m | £10.58m | — | −£19k | 58 |
| 31 December 2023 | £4.55m | £1.56m | £13.08m | £16.54m | — | £3.51m | 56 |
| 31 December 2022 | — | — | — | — | — | — | — |
Current ratio1.04Current assets ÷ creditors within one year
Cash per employee£19kCash ÷ average employees
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 £4,528,001 at 29 December 2024
- Cash at bank of £50,000 or moreCash £1,121,586
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 27 December 1995
- Accounts past their due dateDue 29 September 2026
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
- Confirmation statement duein 74 days
- Next accounts due29 days overdue
- Accounts period endNet assets £4.53m · full accounts
- Accounts period endNet assets £4.55m · full accounts
- Accounts period end
- Incorporated
08
Similar companies in Newcastle
- SEKURA TRADE FRAMES LIMITEDWashington · inc. Mar 1996
- CREATIVE PARK LIMITEDLangley Park · inc. Sept 1995
- SEAVIEW PLASTICS LTDSeaham · inc. May 1995
- HARD TARGET LIMITEDNewcastle Upon Tyne · inc. Sept 1996
- GOFER A.G.V.'S LTD.Houghton Le Spring · inc. Sept 1996
- GS HYDRO LIMITEDSunderland · inc. Sept 1996
All companies incorporated on 27 December 1995 · in Dec 1995.
09
Reminders for IMMUNODIAGNOSTIC SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.