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- Ecsec Limited
Company profile · Specialist contractors
Ecsec Limited
Ecsec Limited is a 47-year-old private limited company registered in Newmarket, company number 01420514, one of 18 specialist construction companies in Newmarket. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 28 February 2026, as filed at Companies House.
Ecsec 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 £137K (+144.5%) on the year before, to £42K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £740K against £671K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £42K | £320K | £740K | £671K | 0 |
| 28 Feb 2025 | -£95K | £444K | £2.5M | £2.7M | 11 |
| 29 Feb 2024 | £536K | £400K | £2M | £1.6M | 11 |
| 28 Feb 2023 | £542K | £287K | £1.1M | £631K | 8 |
| 28 Feb 2022 | £466K | £1.3M | £2.7M | £2.2M | 8 |
| 28 Feb 2021 | £673K | £580K | £1.2M | £491K | 9 |
Where Ecsec Limited is registered
The registered office is in Newmarket (CB8), in the East Cambridgeshire local authority area, East of England. Show CB8 7NY on a map.
Other trade companies in CB8
- Houndworks Property Maintenance LtdCleaning companies
- Ajm Carpentry & Construction LtdBuilders
- Gemland Automotive LimitedMechanics and garages
- Safi Autobody Shop LimitedMechanics and garages
- BC Plumbing & Heating Contractors LtdPlumbers and heating engineers
- Anglia Landscaping Group LimitedLandscapers and gardeners
- Zee Mobile Tyres LtdMotor traders
- Ajs Developments (Burwell) LimitedProperty developers
What happens if Ecsec 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 01420514
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 May 1979 (47 years ago)
- Registered office
- Unit 5D Lynx Business Park, Fordham Road Snailwell, Newmarket, Cambridgeshire, CB8 7NY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 7 July 2026
- Charges (mortgages)
- 1 outstanding of 5 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Newmarket
Other active specialist construction companies registered in Newmarket.
- Everhealth Care Ltd2024
- Fairhaven Stone Ltd1998
- Fox Paving Specialists Limited2018
- Gag385 (Hunton) Limited2013
- Grant Consulting Structural Engineers Limited2015
- KMTG Limited2013
- NGC Fencing Ltd2024
- NH3 Engineering Ltd2015
All specialist construction companies in Newmarket · All trades in Newmarket · Specialist contractors across the UK
Frequently asked questions
When are Ecsec Limited's accounts due?
Ecsec Limited's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Ecsec Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Ecsec Limited still trading?
Ecsec 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 Ecsec Limited do?
Ecsec Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Ecsec Limited?
Ecsec Limited was incorporated on 17 May 1979, 47 years ago.
What is the penalty if Ecsec 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 Ecsec 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.