£1,521
−88%vs Nov 2024Active14493451Private limited companyChatham
JSM DIAGNOSTICS LTD
Significant control: John Samuel Maynard (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Other engineering activities (SIC 71129). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
JSM DIAGNOSTICS LTD is an active private limited company (company number 14493451) incorporated on 18 November 2022, registered in Chatham. Its registered activity is other engineering activities (SIC 71129). Latest micro accounts cover the period ending 30 November 2025, showing net assets of £1,521, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 88% on the prior period (£12k). Across the last 3 periods on record the net-asset trend is falling.
Peer position · net assets
By net assets it sits in the lower half of 516 comparable companies in Kent (median £5,727, upper quartile £50k).
02
Ownership and control
- John Samuel Maynard
- 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
- 18 November 20223 yrs ago
- Next accounts due
- 30 August 2027in 311 days
- Confirmation statement due
- 2 December 2026in 40 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71129
- Other engineering activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
−50%vs Nov 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | £1,521 | — | — | £41k | — | — | 1 |
| 30 November 2024 | £12k | — | — | £57k | — | — | 2 |
| 30 November 2023 | £19k | — | — | £64k | — | — | 2 |
Current ratio0.17Current assets ÷ creditors within one year
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £1,521 at 30 November 2025
- Net assets down 25% or more on the prior period-87.6% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.17
- Three or more accounting periods on record3 periods on record
- Incorporated two to five years agoIncorporated 18 November 2022
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 311 days
- Confirmation statement duein 40 days
- Accounts period endNet assets £1,521 · micro accounts
- Accounts period endNet assets £12k · micro accounts
- Accounts period endNet assets £19k · micro accounts
- Incorporated
08
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All companies incorporated on 18 November 2022 · in Nov 2022.
09
Reminders for JSM DIAGNOSTICS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.