Company profile · Civil engineering
Cedm Ltd
Cedm Ltd is a 23-year-old private limited company registered in Port Talbot, company number 04575119, one of 17 civil engineering contractors in Port Talbot. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Cedm LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House.
Cedm 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 £46K (+68.6%) on the year before, to £112K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £64K against £10K owed within a year: 6.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Oct 2025 | £112K | £64K | £10K | 0 | |
| 31 Oct 2024 | £67K | £48K | £5,871 | 0 | |
| 31 Oct 2023 | £77K | £53K | £1,889 | 1 | |
| 31 Oct 2022 | £107K | £75K | £2,025 | 1 | |
| 31 Oct 2021 | £143K | £105K | £4,298 | 1 | |
| 31 Oct 2020 | £166K | £133K | £15K | 1 | |
| 31 Oct 2019 | £170K | £121K | £11K | 0 | |
| 31 Oct 2018 | £183K | £126K | £14K | ||
| 31 Oct 2017 | £187K | £121K | £18K | ||
| 31 Oct 2016 | £182K | £129K | £24K |
Where Cedm Ltd is registered
The registered office is in Port Talbot (SA13), in the Neath Port Talbot local authority area, Wales. Show SA13 3ND on a map.
Other trade companies in SA13
- Econiq Air LtdPlumbers and heating engineers
- Evolve Electrical Engineering (South Wales) LimitedElectricians
- Glamorgan Build & Renovations LtdBuilders
- Margam Tyres LimitedMechanics and garages
- Dragon MOT Centre Cymer LimitedMechanics and garages
- Altura Energy LimitedCivil engineering
- Hillcrest View (Cwmtillery) LtdProperty developers
- Heol Broom (Maudlam) LtdProperty developers
What happens if Cedm 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 04575119
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 October 2002 (23 years ago)
- Registered office
- Nantewlaeth Heol-Y-Glyn, Cymmer, Port Talbot, SA13 3ND
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Architectural activities (SIC 71111) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 28 October 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 Port Talbot
Other active civil engineering contractors registered in Port Talbot.
- Contractor Management Limited2023
- DKM Groundworks Ltd2024
- J D Marine & Sons Limited2012
- Lakewell Utilities Limited2013
- Landscapes Unlimited UK Ltd2018
- MSG Labour & Plant Limited2005
- Olympus Landscapes & Groundworks Ltd2025
- S.J. Controls Limited1999
All civil engineering contractors in Port Talbot · All trades in Port Talbot · Civil engineering across the UK
Frequently asked questions
When are Cedm Ltd's accounts due?
Cedm Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Cedm Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Cedm Ltd still trading?
Cedm 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 Cedm Ltd do?
Cedm Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Architectural activities (SIC 71111).
How old is Cedm Ltd?
Cedm Ltd was incorporated on 28 October 2002, 23 years ago.
What is the penalty if Cedm 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 Cedm 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.