- Companies
- Installers
- Brentwood
- CJS Engineering Services Limited
Company profile · Installers
CJS Engineering Services Limited
CJS Engineering Services Limited is a 8-year-old private limited company registered in Brentwood, company number 11417552, one of 60 installation companies (insulation, lifts, shutters and similar) in Brentwood. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for CJS Engineering Services LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 30 June 2025, as filed at Companies House.
CJS Engineering Services Limited over the years
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £1,767 (+13.4%) on the year before, to £15K.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £106K against £93K owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £15K | £106K | £93K | 1 | |
| 30 Jun 2024 | £13K | £82K | £71K | 1 | |
| 30 Jun 2023 | £23K | £77K | £57K | 1 | |
| 30 Jun 2022 | £28K | £76K | £52K | 1 | |
| 30 Jun 2021 | £44K | £91K | £50K | 1 | |
| 30 Jun 2020 | £1 | £1 | |||
| 30 Jun 2019 | £1 | £1 |
Where CJS Engineering Services Limited is registered
The registered office is in Brentwood (CM14), in the Brentwood local authority area, East of England. Show CM14 5PG on a map.
Other trade companies in CM14
- Solis Signature LimitedProperty developers
- Dubtech Spares LtdMotor traders
- Master Decor LtdPainters and decorators
- Glan Project Services LtdCleaning companies
- Honeybee Design and Interiors LtdInstallers
- Essex Tyres and MOT LimitedMechanics and garages
- Kava Collective LtdMachinery repair and installation
- Elite Roofing & Property Care LtdRoofers
What happens if CJS Engineering Services Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 11417552
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 June 2018 (8 years ago)
- Registered office
- 35 Spital Lane, Brentwood, CM14 5PG
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 14 June 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Brentwood
Other active installation companies (insulation, lifts, shutters and similar) registered in Brentwood.
- Classygrass Ltd2013
- Crawfords Construction Limited2007
- Custom Pet Enclosures Limited2026
- Dan Wright Fascia Limited2025
- Dar Construction Ltd2025
- Delnevo Refurbishments Ltd2023
- Discus Thermal Limited2021
- Eastside Contracting Services Limited2010
All installation companies (insulation, lifts, shutters and similar) in Brentwood · All trades in Brentwood · Installers across the UK
Frequently asked questions
When are CJS Engineering Services Limited's accounts due?
CJS Engineering Services Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is CJS Engineering Services Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is CJS Engineering Services Limited still trading?
CJS Engineering Services Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does CJS Engineering Services Limited do?
CJS Engineering Services Limited is registered under Other construction installation (SIC 43290).
How old is CJS Engineering Services Limited?
CJS Engineering Services Limited was incorporated on 15 June 2018, 8 years ago.
What is the penalty if CJS Engineering Services Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View CJS Engineering Services Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.