- Companies
- Civil engineering
- Cheltenham
- Core Worx Apex Limited
Core Worx Apex Limited
- Company number
- 15337063
- Incorporated
- 8 Dec 20232 years trading
- Registered office
- Freedom House, Rutherford Way, Cheltenham, Gloucestershire, GL52 9TU
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other building completion and finishing
Core Worx Apex Limited is a 2-year-old private limited company registered in Cheltenham, company number 15337063, one of 53 civil engineering contractors in Cheltenham. 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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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 £37K (+38.1%) on the year before, to -£59K.
- Current assets of £172K against £240K owed within a year: 0.7 times cover.
- 13 employees on average, up from 5 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 Dec 2025 | -£59K | £172K | £240K | 13 | |
| 31 Dec 2024 | -£96K | £93K | £188K | 5 |
Where Core Worx Apex Limited is registered
The registered office is in Cheltenham (GL52), in the Tewkesbury local authority area, South West. Show GL52 9TU on a map.
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What happens if Core Worx Apex 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 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
- 15337063
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 December 2023 (2 years ago)
- Registered office
- Freedom House, Rutherford Way, Cheltenham, Gloucestershire, GL52 9TU
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other building completion and finishing (SIC 43390) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 14 February 2026
- Previous names
- Apex Groundworks Ltd (until 3 Jul 2025)
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 Cheltenham
Other active civil engineering contractors registered in Cheltenham.
- Cotswold Structures Limited2005
- D K Services (Cheltenham) Limited2005
- D Williams Groundworks Civil Engineering Ltd2019
- Dallison Contracting Limited2024
- Design-N-Build Ltd.2017
- DS Marine Contracting Limited2016
- Gasline Services Limited2012
- GPS Professional Services Group Ltd2020
All civil engineering contractors in Cheltenham · All trades in Cheltenham · Civil engineering across the UK
Frequently asked questions
When are Core Worx Apex Limited's accounts due?
Core Worx Apex Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Core Worx Apex Limited'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 Core Worx Apex Limited still trading?
Core Worx Apex 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 Core Worx Apex Limited do?
Core Worx Apex Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other building completion and finishing (SIC 43390).
How old is Core Worx Apex Limited?
Core Worx Apex Limited was incorporated on 8 December 2023, 2 years ago.
What is the penalty if Core Worx Apex 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 Core Worx Apex 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.