ZONEFILTER LIMITED
Company number 09440863 · Active · London Colney AL2 1EN
ZONEFILTER LIMITED is an active private limited company (company number 09440863) incorporated on 16 February 2015, registered in London Colney. Its registered activity is management consultancy activities other than financial management (SIC 70229). Latest micro accounts cover the period ending 31 March 2025, showing net assets of £9,353, 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 rose 261% on the prior period (−£5,816).
By net assets it sits in the upper half of 2,287 comparable companies in Hertfordshire (median £6,608, upper quartile £47k).
Key dates
- Incorporated
- 16 February 2015
- Next accounts due
- 31 December 2026 — in 74 days
- Confirmation statement due
- 2 March 2027 — in 135 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 70229
- Management consultancy activities other than financial management
- SIC 72200
- Research and experimental development on social sciences and humanities
- SIC 85421
- First-degree level higher education
- Accounts type
- Micro Entity
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 March 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £9,353 | — | — | — | — | — | 1 |
| 31 March 2024 | −£5,816 | — | — | — | — | — | 1 |
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 £9,353 at 2025-03-31
- +8 Net assets growing — +260.8% vs prior period
- +8 Established — Incorporated 2015-02-16 (12 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
- Ms Denise Lao Blunn — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · 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 Hertfordshire
Same activity (management consultancy activities other than financial management), closest in incorporation date.
- CROFTBY REAL ESTATE LIMITED — St. Albans, inc. Feb 2015
- WELLSPRING LEADERSHIP LIMITED — St. Albans, inc. Feb 2015
- BUSINESS CHANGE GROUP LTD — Bricket Wood, inc. Feb 2015
- J CHILDS MANAGEMENT SERVICES LIMITED — Stevenage, inc. Feb 2015
- GARTLAND AND MELLINA GROUP (EUROPE) LIMITED — St. Albans, inc. Feb 2015
- PAY U ONLINE LTD — Hitchin, inc. Feb 2015
Reminders for ZONEFILTER LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.