−£2,808
vs Mar 2024Active14391353Private limited companyLondon
BOSS DIAGNOSTICS LIMITED
Significant control: Denis Cornel Lonergan (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Boss Diagnostics Limited sell?
Registered activity: Manufacture of medical and dental instruments and supplies (SIC 32500). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
BOSS DIAGNOSTICS LIMITED is an active private limited company (company number 14391353) incorporated on 2 October 2022, registered in London. Its registered activity is manufacture of medical and dental instruments and supplies (SIC 32500). Latest micro accounts cover the period ending 31 March 2025, showing net assets of −£2,808, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 117% on the prior period (−£1,295).
Peer position · net assets
By net assets it sits in the lower half of 318 comparable companies in London (median £100, upper quartile £35k).
02
Ownership and control
- Mr Denis Cornel Lonergan
- owns 75–100% of shares
- holds 75–100% of voting rights
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
- 2 October 20224 yrs ago
- Next accounts due
- 31 December 2026in 67 days
- Confirmation statement due
- 16 October 2027in 356 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 32500
- Manufacture of medical and dental instruments and supplies
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
0
Not reported the period before| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | −£2,808 | — | — | — | — | — | 0 |
| 31 March 2024 | −£1,295 | — | — | — | — | — | — |
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 below zeroNet assets £-2,808 at 31 March 2025
- Net assets down 25% or more on the prior period-116.8% vs prior period
- Incorporated two to five years agoIncorporated 2 October 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
- Confirmation statement duein 356 days
- Next accounts duein 67 days
- Accounts period endNet liabilities £2,808 · micro accounts
- Accounts period endNet liabilities £1,295 · micro accounts
- Incorporated
08
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All companies incorporated on 2 October 2022 · in Oct 2022.
09
Reminders for BOSS DIAGNOSTICS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.