CARBON FOCUS ENGINEERING LTD
Company number 13529446 · Active · Lincoln LN1 2RP
CARBON FOCUS ENGINEERING LTD is an active private limited company (company number 13529446) incorporated on 26 July 2021, registered in Lincoln. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 December 2025, showing net assets of £68k and cash of £732k, with 4 employees on average. Net assets rose 405% on the prior period (£13k).
By net assets it sits in the top quarter of 6,191 comparable companies in Other (median £5,839, upper quartile £35k).
Key dates
- Incorporated
- 26 July 2021
- Next accounts due
- 30 September 2027 — in 345 days
- Confirmation statement due
- 9 August 2027 — in 293 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 43220
- Plumbing, heat and air-conditioning installation
- SIC 43999
- Other specialised construction activities n.e.c.
- SIC 46140
- Agents involved in the sale of machinery, industrial equipment, ships and aircraft
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 December 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £68k | £732k | £24k | — | — | — | 4 |
| 31 December 2024 | £13k | £87k | £27k | — | — | — | 5 |
- Cash per employee
- £183k
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 80/100 (grade A)
- +10 Positive net assets — Net assets £67,938 at 2025-12-31
- +8 Net assets growing — +404.9% vs prior period
- +4 Cash reserves — Cash £732,237
- +8 Established — Incorporated 2021-07-26 (5 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
- Mr Julian Marris — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors · since 26 July 2021
- Mrs Emma Ceridwen Marris — can appoint or remove directors · since 21 August 2023
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 the UK
Same activity (plumbing, heat and air-conditioning installation), closest in incorporation date.
- BIRMINGHAM BOILER SERVICES LTD — Stoke-On-Trent, inc. Jul 2021
- JW PLUMBING AND GAS SERVICES LIMITED — Hull, inc. Jul 2021
- EARTH INSPIRED RENEWABLES LTD — Barnstaple, inc. Jul 2021
- C R LEVERS PLUMBING & HEATING LTD — Great Yarmouth, inc. Jul 2021
- WATERLOO SERVICES LIMITED — Hereford, inc. Jul 2021
- DOMESTIC FIRE SPRINKLERS LTD — Portland, inc. Jul 2021
Reminders for CARBON FOCUS ENGINEERING LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.