£14k
+118%vs Aug 2024Active06730530Private limited companyDenmead
CARBMAX LIMITED
Significant control: David Blackburn (25–50%), Susan Carolyn Blackburn (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Carbmax Limited sell?
Registered activity: Other retail sale not in stores, stalls or markets (SIC 47990). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
CARBMAX LIMITED is an active private limited company (company number 06730530) incorporated on 22 October 2008, registered in Denmead. Its registered activity is other retail sale not in stores, stalls or markets (SIC 47990). Latest small accounts cover the period ending 31 August 2025, showing net assets of £14k and cash of £72k, with 7 employees on average. Net assets rose 118% on the prior period (£6,226). Across the last 3 periods on record the net-asset trend is volatile.
Peer position · net assets
By net assets it sits in the upper half of 194 comparable companies in Portsmouth (median £1,193, upper quartile £39k).
02
Ownership and control
- Mr David Blackburn
- owns 25–50% of shares
- Mrs Susan Carolyn Blackburn
- owns 25–50% 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
- 22 October 200818 yrs ago
- Next accounts due
- 31 May 2027in 220 days
- Confirmation statement due
- 5 November 2026in 13 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 47990
- Other retail sale not in stores, stalls or markets
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£72k
+89%vs Aug 2024Not reported
7
No changevs Aug 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £14k | £72k | — | £1.22m | — | — | 7 |
| 31 August 2024 | £6,226 | £38k | — | £1.16m | — | — | 7 |
| 31 August 2023 | £8,157 | £97k | — | £994k | — | — | 7 |
Current ratio1.11Current assets ÷ creditors within one year
Cash per employee£10kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £13,579 at 31 August 2025
- Net assets up 10% or more on the prior period+118.1% vs prior period
- Cash at bank of £50,000 or moreCash £72,277
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 22 October 2008
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 220 days
- Confirmation statement duein 13 days
- Accounts period endNet assets £14k · small accounts
- Accounts period endNet assets £6,226 · small accounts
- Accounts period endNet assets £8,157 · small accounts
- Incorporated
08
Similar companies in Portsmouth
- GLOBAL MARINE ASSOCIATES LIMITEDFareham · inc. Oct 2008
- PANIMAX ELECTRIC LTD.Hayling Island · inc. Aug 2008
- SELSTAR FIREWORKS LTDChichester · inc. Jan 2009
- CLEANHEELS LIMITEDFareham · inc. Jun 2008
- CHEWBZ LIMITEDDenmead · inc. Mar 2009
- MARGA LIMITEDFareham · inc. Apr 2009
All companies incorporated on 22 October 2008 · in Oct 2008.
09
Reminders for CARBMAX LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.