- Companies
- Civil engineering
- Adz Utilities Ltd
Adz Utilities Ltd
- Company number
- 15016725
- Incorporated
- 20 Jul 20233 years trading
- Registered office
- 38 Wooley Avenue, Wombwell, Barnsley, S73 8TJ
- Nature of business
- Construction of utility projects for electricity and telecommunications
Adz Utilities Ltd is a 3-year-old private limited company registered in Wombwell, company number 15016725, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £16K (+37.3%) on the year before, to £60K.
- Current assets of £76K against £47K owed within a year: 1.6 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £60K | £76K | £47K | 1 | |
| 31 Jul 2024 | £44K | £42K | £29K | 0 |
Where Adz Utilities Ltd is registered
The registered office is in Wombwell (S73), in the Barnsley local authority area, Yorkshire and The Humber. Show S73 8TJ on a map.
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What happens if Adz Utilities 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 15016725
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 July 2023 (3 years ago)
- Registered office
- 38 Wooley Avenue, Wombwell, Barnsley, S73 8TJ
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 19 July 2026
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
Other active civil engineering contractors.
Frequently asked questions
When are Adz Utilities Ltd's accounts due?
Adz Utilities Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Adz Utilities Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Adz Utilities Ltd still trading?
Adz Utilities 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 Adz Utilities Ltd do?
Adz Utilities Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Adz Utilities Ltd?
Adz Utilities Ltd was incorporated on 20 July 2023, 3 years ago.
What is the penalty if Adz Utilities 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 Adz Utilities 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.