£100
No changevs Nov 2024Active15316648Private limited companyEltham
QUANTUM DYNAMICS BIOSYSTEMS LIMITED
Significant control: Jan-Lukas Robertus (25–50%), Emmanouil Karteris (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Specialists medical practice activities (SIC 86220). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
QUANTUM DYNAMICS BIOSYSTEMS LIMITED is an active private limited company (company number 15316648) incorporated on 29 November 2023, registered in Eltham. Its registered activity is specialists medical practice activities (SIC 86220). Latest dormant accounts cover the period ending 30 November 2025, showing net assets of £100 and cash of £100, with 0 employees on average. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the bottom quarter of 2,817 comparable companies in London (median £16k, upper quartile £103k).
02
Ownership and control
- Dr Jan-Lukas Robertus
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Dr Emmanouil Karteris
- owns 25–50% of shares
- holds 25–50% 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
- 29 November 20232 yrs ago
- Next accounts due
- 30 August 2027in 311 days
- Confirmation statement due
- 13 December 2026in 51 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 86220
- Specialists medical practice activities
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
05
Financials
£100
No changevs Nov 2024Not reported
0
Not reported the period before| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | £100 | £100 | — | — | — | — | 0 |
| 30 November 2024 | £100 | £100 | — | — | — | — | — |
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 £100 at 30 November 2025
- Incorporated two to five years agoIncorporated 29 November 2023
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 51 days
- Accounts period endNet assets £100 · dormant accounts
- Accounts period endNet assets £100 · dormant accounts
- Incorporated
08
Similar companies in London
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- WARNER GASTROENTEROLOGY LIMITEDLondon · inc. Nov 2023
- LONDON PSYCHIATRY SERVICES LTDLondon · inc. Dec 2023
All companies incorporated on 29 November 2023 · in Nov 2023.
09
Reminders for QUANTUM DYNAMICS BIOSYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.