SIMPLEX CLEANTECH LTD
Company number 08552153 · Active · London N3 1QA
SIMPLEX CLEANTECH LTD is an active private limited company (company number 08552153) incorporated on 31 May 2013, registered in London. Its registered activity is other business support service activities n.e.c. (SIC 82990). Latest micro accounts cover the period ending 31 May 2025, showing net assets of £49k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets were unchanged on the prior period.
By net assets it sits in the upper half of 27,230 comparable companies in London (median £1,197, upper quartile £53k).
Key dates
- Incorporated
- 31 May 2013
- Next accounts due
- 28 February 2027 — in 134 days
- Confirmation statement due
- 14 June 2027 — in 240 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 82990
- Other business support service activities n.e.c.
- Accounts type
- Micro Entity
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 May 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | £49k | — | — | £1,332 | — | — | 2 |
| 31 May 2024 | £49k | — | — | £1,332 | — | — | 2 |
- Current ratio
- 37.54 — comfortable
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.
Firmoscan score: 76/100 (grade B)
- +10 Positive net assets — Net assets £48,668 at 2025-05-31
- +8 Comfortable liquidity — Current ratio 37.54
- +8 Established — Incorporated 2013-05-31 (13 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Joanne Viola Constantine — owns 25–50% of shares; holds 25–50% of voting rights · since 6 April 2016
- Ms Isis Ruth Sothis Sinclair — owns 25–50% of shares; holds 25–50% of voting rights · since 6 April 2016
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in London
Same activity (other business support service activities n.e.c.), closest in incorporation date.
- PN & JE FORSTER CONSULTANTS LIMITED — London, inc. May 2013
- GCAP ADVISORY LIMITED — London, inc. May 2013
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- ENLIGHTEN ENERGY LTD — London, inc. May 2013
- KARMIN RECOMMENDS LTD — Oakleigh Road South, inc. May 2013
- K2 KAYSQUARE LIMITED — London, inc. May 2013
Reminders for SIMPLEX CLEANTECH LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.