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- Acn Groundworks Ltd
Company profile · Specialist contractors
Acn Groundworks Ltd
Acn Groundworks Ltd is a 6-year-old private limited company registered in York, company number 12377566, one of 101 specialist construction companies in York. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Acn Groundworks Ltd 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 £7,203 (+3.4%) on the year before, to £216K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £196K against £155K owed within a year: 1.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £216K | £77K | £196K | £155K | 1 |
| 31 Dec 2024 | £209K | £55K | £226K | £145K | 1 |
| 31 Dec 2023 | £220K | £57K | £231K | £110K | 1 |
| 31 Dec 2022 | £241K | £164K | £307K | £173K | 1 |
| 31 Dec 2021 | £138K | £164K | £108K | 1 | |
| 31 Dec 2020 | £59K | £51K | £76K | 1 |
Where Acn Groundworks Ltd is registered
The registered office is in York (YO26), in the North Yorkshire local authority area, Yorkshire and The Humber. Show YO26 8DH on a map.
Other trade companies in YO26
- Blaken Construction LtdBuilders
- JRP Property Maintenance & Refurbishments LtdFinishing trades
- Manor Park (Darlington) LimitedInstallers
- Prism Projects (York) LtdBuilders
- MMS Land & Developments LimitedProperty developers
- Druk Cleaning Services LimitedCleaning companies
- Sme Electrical LimitedElectricians
- Phorge Electrical Services LtdElectricians
Also registered at this address
15 other companies use the same registered office as Acn Groundworks Ltd.
- Clifton Garth Management Co. LtdFacilities management
- Dobson Motors LtdMotor traders
- G M Aitken Decoration LtdPainters and decorators
- Hammerton Cars LimitedMotor traders
- J.G. Associates LtdSpecialist contractors
- Karistoft LimitedSpecialist contractors
- M. G. Maltby LimitedElectricians
- Paradigm Developments & Property LtdProperty developers
- Paul & Dave Ruttle Carpets York LtdFloor and wall tilers
- Porrifin LimitedProperty developers
- Rock and Stone York LimitedLandscapers and gardeners
- Roots Joinery LimitedJoiners and carpenters
- Truelove Properties LtdProperty developers
- Wildon Washes LimitedMechanics and garages
- Wireless Watchman LimitedPlumbers and heating engineers
What happens if Acn Groundworks 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 12377566
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 December 2019 (6 years ago)
- Registered office
- Elmwood House York Road, Kirk Hammerton, York, North Yorkshire, YO26 8DH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 23 December 2025
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 York
Other active specialist construction companies registered in York.
- Ar Pumpcrete Limited2022
- Ares Dispute Resolution Limited2020
- Arthington Farm Services Ltd1991
- Avalon Concepts Limited2007
- Ben Thewlis Ltd2022
- Blueman Great Refurbs Limited2012
- Building & Drawing Services Limited2010
- C & G Group Limited2016
All specialist construction companies in York · All trades in York · Specialist contractors across the UK
Frequently asked questions
When are Acn Groundworks Ltd's accounts due?
Acn Groundworks Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Acn Groundworks Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Acn Groundworks Ltd still trading?
Acn Groundworks 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 Acn Groundworks Ltd do?
Acn Groundworks Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Acn Groundworks Ltd?
Acn Groundworks Ltd was incorporated on 24 December 2019, 6 years ago.
What is the penalty if Acn Groundworks 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 Acn Groundworks 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.