- Companies
- Civil engineering
- Leeds
- Ascent Engineering Ltd
Ascent Engineering Ltd
- Company number
- 06252402
- Incorporated
- 18 May 200719 years trading
- Registered office
- Unit 1 Barras Garth Road, Wortley, Leeds, LS12 4JW
- Nature of business
- Construction of other civil engineering projects n.e.c.
Ascent Engineering Ltd is a 19-year-old private limited company registered in Leeds, company number 06252402, one of 163 civil engineering contractors in Leeds. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
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 £123K (+18.8%) on the year before, to £781K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £670K against £427K owed within a year: 1.6 times cover.
- 7 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £781K | £332K | £670K | £427K | 7 |
| 31 May 2024 | £657K | £182K | £629K | £397K | 7 |
| 31 May 2023 | £546K | £92K | £949K | £787K | 0 |
| 31 May 2022 | £543K | £63 | £575K | £348K | 6 |
| 31 May 2021 | £381K | £0 | £495K | £395K | 7 |
| 31 May 2020 | £352K | £80K | £222K | £103K | 6 |
| 31 May 2019 | £328K | £3,795 | £454K | £413K | |
| 31 May 2018 | £324K | -£6 | £440K | £388K | 5 |
| 31 May 2017 | £342K | £68K | £302K | £197K | 5 |
| 31 May 2016 | £247K | £67K | £418K | £303K |
Where Ascent Engineering Ltd is registered
The registered office is in Leeds (LS12), in the Leeds local authority area, Yorkshire and The Humber. Show LS12 4JW on a map.
Other trade companies in LS12
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- Jaw Groundworks LimitedLandscapers and gardeners
- Ivaniel Cleaning LimitedCleaning companies
- Mo Motorz LtdMotor traders
- M&A Sparkle LtdCleaning companies
- Afaaks International LtdProperty developers
- Gurmehar Motors LtdMotor traders
- Douglas Plumbing & Heating LtdPlumbers and heating engineers
What happens if Ascent Engineering Ltd 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 06252402
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 May 2007 (19 years ago)
- Registered office
- Unit 1 Barras Garth Road, Wortley, Leeds, LS12 4JW
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 18 May 2026
- Charges (mortgages)
- 2 outstanding of 4 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Leeds
Other active civil engineering contractors registered in Leeds.
- Ashma Services Ltd2026
- Avie Consulting Limited2012
- Avie Holdings 25 Limited2025
- Avie Holdings Ltd2019
- Axle Plant Hire Ltd2017
- Bairstow's Mechanical Services Ltd2013
- Battery Arbitrage Capital Limited2025
- Battery Capital Limited2025
All civil engineering contractors in Leeds · All trades in Leeds · Civil engineering across the UK
Frequently asked questions
When are Ascent Engineering Ltd's accounts due?
Ascent Engineering Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Ascent Engineering Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Ascent Engineering Ltd still trading?
Ascent Engineering Ltd 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 Ascent Engineering Ltd do?
Ascent Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Ascent Engineering Ltd?
Ascent Engineering Ltd was incorporated on 18 May 2007, 19 years ago.
What is the penalty if Ascent Engineering Ltd 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 Ascent Engineering Ltd 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.