£18k
−42%vs Feb 2025Active09983471Private limited companyChelmsford
221B GROUP LIMITED
Significant control: Mark Thorne (50–75%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 221b Group Limited sell?
Registered activity: Security systems service activities (SIC 80200). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
221B GROUP LIMITED is an active private limited company (company number 09983471) incorporated on 2 February 2016, registered in Chelmsford. Its registered activity is security systems service activities (SIC 80200). Latest micro accounts cover the period ending 28 February 2026, showing net assets of £18k, with 4 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 42% on the prior period (£31k).
Peer position · net assets
By net assets it sits in the upper half of 235 comparable companies in Essex (median £6,545, upper quartile £49k).
02
Ownership and control
- Mr Mark Thorne
- owns 50–75% of shares
- Mr Sidney William De'Cort
- 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. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 2 February 201610 yrs ago
- Next accounts due
- 28 November 2027in 398 days
- Confirmation statement due
- 16 February 2027in 113 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 80200
- Security systems service activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
4
No changevs Feb 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 28 February 2026 | £18k | — | — | — | — | — | 4 |
| 28 February 2025 | £31k | — | — | — | — | — | 4 |
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 above zeroNet assets £17,712 at 28 February 2026
- Net assets down 25% or more on the prior period-42.3% vs prior period
- Incorporated five or more years agoIncorporated 2 February 2016
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 398 days
- Confirmation statement duein 113 days
- Accounts period endNet assets £18k · micro accounts
- Accounts period endNet assets £31k · micro accounts
- Incorporated
08
Similar companies in Essex
- SMARTTE LIMITEDBrentwood · inc. Feb 2016
- REGENCY SECURITY MANAGEMENT SERVICES LTDBraintree · inc. Feb 2016
- QUADRANT SECURITY SYSTEMS LIMITEDBasildon · inc. Feb 2016
- WELGARD FIRE AND SECURITY SYSTEMS LIMITEDBishop'S Stortford · inc. Feb 2016
- TIMAR SECURITY GROUP LIMITEDCanvey Island · inc. Feb 2016
- CAPITAL INTEGRATED SOLUTIONS LTDWest Horndon · inc. Dec 2015
All companies incorporated on 2 February 2016 · in Feb 2016.
09
Reminders for 221B GROUP LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.