£11k
+159%vs Sept 2024Active11551581Private limited companySt. Albans
BROSS BRENER LTD
Significant control: Krzysztof Kozlowski (25–50%), Bartosz Michal Bross (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Bross Brener Ltd sell?
Registered activity: Construction of domestic buildings (SIC 41202). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
BROSS BRENER LTD is an active private limited company (company number 11551581) incorporated on 4 September 2018, registered in St. Albans. Its registered activity is construction of domestic buildings (SIC 41202). Latest micro accounts cover the period ending 30 September 2025, showing net assets of £11k, 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 159% on the prior period (£4,322).
Peer position · net assets
By net assets it sits in the upper half of 529 comparable companies in Hertfordshire (median £2,057, upper quartile £31k).
02
Ownership and control
- Mr Krzysztof Kozlowski
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr Bartosz Michal Bross
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
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
- 4 September 20188 yrs ago
- Next accounts due
- 30 June 2027in 248 days
- Confirmation statement due
- 18 September 2027in 328 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41202
- Construction of domestic buildings
- SIC 43341
- Painting
- SIC 43390
- Other building completion and finishing
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
0
vs Sept 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £11k | — | — | £3,635 | — | — | 0 |
| 30 September 2024 | £4,322 | — | — | £989 | — | — | 0 |
Current ratio12.4Current assets ÷ creditors within one year
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 £11,177 at 30 September 2025
- Net assets up 10% or more on the prior period+158.6% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 12.4
- Incorporated five or more years agoIncorporated 4 September 2018
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
- Confirmation statement duein 328 days
- Next accounts duein 248 days
- Accounts period endNet assets £11k · micro accounts
- Accounts period endNet assets £4,322 · micro accounts
- Incorporated
08
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- STEPHEN ALEXANDER BUILDING SERVICES LIMITEDStevenage · inc. Oct 2018
- GMG LONDON STEELS COMPANY LTDSt. Albans · inc. Aug 2018
All companies incorporated on 4 September 2018 · in Sept 2018.
09
Reminders for BROSS BRENER LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.