B21 SECURITY LTD
Company number 16409411 · Active · Doncaster DN1 2TT
B21 SECURITY LTD is an active private limited company (company number 16409411) incorporated on 25 April 2025, registered in Doncaster. Its registered activity is development of building projects (SIC 41100). Latest small accounts cover the period ending 31 March 2026, showing net assets of £312 and cash of £27k, with 1 employee on average.
By net assets it sits in the lower half of 1,553 comparable companies in Sheffield (median £400, upper quartile £57k).
Key dates
- Incorporated
- 25 April 2025
- Next accounts due
- 31 December 2027 — in 437 days
- Confirmation statement due
- 9 May 2027 — in 201 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 41100
- Development of building projects
- SIC 46190
- Agents involved in the sale of a variety of goods
- SIC 80100
- Private security activities
- SIC 81210
- General cleaning of buildings
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 1 period on record, latest ending 31 March 2026
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2026 | £312 | £27k | — | £23k | — | — | 1 |
- Current ratio
- 1.19
- Cash per employee
- £27k
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 60/100 (grade C)
- +10 Positive net assets — Net assets £312 at 2026-03-31
- 0 Newly incorporated — Incorporated 2025-04-25; no accounts due yet
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
- Mr Zubair Ahmed Khan — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 25 April 2025
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 Sheffield
Same activity (development of building projects), closest in incorporation date.
- PRESTIGE BRICK&STONEWORK LTD — Barnsley, inc. Apr 2025
- THISTLE BUILD LTD — Chesterfield, inc. Apr 2025
- TRADAN DEVELOPMENTS LIMITED — Doncaster, inc. Apr 2025
- OAK & PROSPER (GLASSHOUSES) LTD — Doncaster, inc. Apr 2025
- E GREEN PROPERTIES & BUILDING LTD — Sheffield, inc. Apr 2025
- CATHERALL HOMES LIMITED — Sheffield, inc. Apr 2025
Reminders for B21 SECURITY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.