−£5,990
vs Sept 2024Active08692352Private limited companyGrantchester
QUANTUM MATERIALS
C51/10001
Summary
QUANTUM MATERIALS is an active private limited company (company number 08692352) incorporated on 16 September 2013, registered in Grantchester. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest micro accounts cover the period ending 30 September 2025, showing net assets of −£5,990, 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 rose 40% on the prior period (−£10k).
Peer position · net assets
By net assets it sits in the bottom quarter of 193 comparable companies in Cambridge (median £6,914, upper quartile £134k).
02
Key dates
- Incorporated
- 16 September 201313 yrs ago
- Next accounts due
- 30 June 2027in 251 days
- Confirmation statement due
- 30 September 2027in 343 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
04
Financials
Not reported
Not disclosed
0
vs Sept 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | −£5,990 | — | — | — | — | — | 0 |
| 30 September 2024 | −£10k | — | — | — | — | — | 0 |
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.
05
Firmoscan score
51 / 100 · grade C
| 50 | Starting scoreEvery scored company starts here |
| −15 | Negative net assetsNet assets £-5,990 at 2025-09-30 |
| +8 | Net assets growing+40.2% vs prior period |
| +8 | EstablishedIncorporated 2013-09-16 (13 years) |
| 51 | Score, grade C |
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice. How the score is computed.
06
Ownership and control
- Mr Douglas Walter George Calder
- owns 25–50% of shares
- Mrs Deborah June Calder
- owns 25–50% of shares
- Dr John Tully
- has significant influence or control
- Auriel 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.
07
Timeline
- Confirmation statement duein 343 days
- Next accounts duein 251 days
- Accounts period endNet liabilities £5,990 · micro accounts
- Accounts period endNet liabilities £10k · micro accounts
- Incorporated
08
Similar companies in Cambridge
- PULSIV LIMITEDCambridge · inc. Nov 2013
- SENSORHUT LTDHiston · inc. Dec 2013
- AUTOFINA LIMITEDCambridge · inc. May 2013
- SUPERDIELECTRICS LTDSaffron Walden · inc. May 2013
- GRAVITEC SENSOR SYSTEMS LTDSaffron Walden · inc. Jan 2014
- CAMBRIDGE APPLIED RESEARCH LTDCambridge · inc. Jan 2014
All companies incorporated on 16 September 2013 · in Sept 2013.
09
Reminders for QUANTUM MATERIALS
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.