- Companies
- Civil engineering
- Exeter
- D S A Design Services Ltd
D S A Design Services Ltd
- Company number
- 03869589
- Incorporated
- 1 Nov 199926 years trading
- Registered office
- 50 Cowick Street, Exeter, Devon, EX4 1AP
- Nature of business
- Construction of other civil engineering projects n.e.c.
D S A Design Services Ltd is a 26-year-old private limited company registered in Exeter, company number 03869589, one of 48 civil engineering contractors in Exeter. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £9,940 (+170.1%) on the year before, to £4,096.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £30K against £26K owed within a year: 1.1 times cover.
- 1 employee 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 Mar 2025 | £4,096 | £29K | £30K | £26K | 1 |
| 31 Mar 2024 | -£5,844 | £16K | £18K | £24K | 1 |
| 31 Mar 2023 | -£3,307 | £16K | £17K | £21K | 2 |
| 31 Mar 2022 | £463 | £16K | £18K | £18K | 2 |
| 31 Mar 2021 | £3,930 | £13K | £18K | £15K | 2 |
| 31 Mar 2020 | £3,885 | £22K | £31K | £28K | 2 |
| 31 Mar 2019 | £3,109 | £30K | £37K | £34K | 2 |
| 31 Mar 2018 | £668 | £27K | £30K | £30K | 2 |
| 31 Mar 2017 | £8,636 | £38K | £46K | £38K | 2 |
| 31 Mar 2016 | £22K | £58K | £69K | £48K |
Where D S A Design Services Ltd is registered
The registered office is in Exeter (EX4), in the Exeter local authority area, South West. Show EX4 1AP on a map.
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Also registered at this address
20 other companies use the same registered office as D S A Design Services Ltd.
- Ankm LtdInstallers
- Barley Manor Properties LimitedProperty developers
- Castle Court Retail LimitedBuilders
- Central Trade (UK) LimitedProperty developers
- Devon and Cornwall Sealants LimitedFinishing trades
- Futureproof Building LimitedFinishing trades
- Glisten Window Cleaning LtdCleaning companies
- Griff Site Engineering Services LtdCivil engineering
- Insight Plumbing and Heating LimitedPlumbers and heating engineers
- Matse Builders LtdBuilders
- Mike Bright and Co LimitedBuilders
- Mobile Auto Electrical Services (Torquay) LtdMechanics and garages
- Pete Dunn Builders LimitedBuilders
- R B PVC LtdGlaziers
- R.J.C.L LimitedProperty developers
- R.S.O.R LimitedProperty developers
- RBL Homes LimitedBuilders
- Richie Brooks LimitedBuilders
- Wellswood Ceramics (Torbay) LtdFloor and wall tilers
- Westec Controls LtdElectricians
What happens if D S A Design Services 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 03869589
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 November 1999 (26 years ago)
- Registered office
- 50 Cowick Street, Exeter, Devon, EX4 1AP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 31 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 Exeter
Other active civil engineering contractors registered in Exeter.
- Devon Digging Services Ltd2024
- Devon Maintenance Plus Limited2001
- Devon Road Sweepers Limited2024
- E A Grey Civil Engineering Solutions Limited2010
- GB Concrete Solutions Ltd2025
- Green Earth Solutions Ltd2024
- Griff Site Engineering Services Ltd2011
- GWK Groundworks and Civil Engineering Ltd2023
All civil engineering contractors in Exeter · All trades in Exeter · Civil engineering across the UK
Frequently asked questions
When are D S A Design Services Ltd's accounts due?
D S A Design Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is D S A Design Services Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is D S A Design Services Ltd still trading?
D S A Design Services 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 D S A Design Services Ltd do?
D S A Design Services Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is D S A Design Services Ltd?
D S A Design Services Ltd was incorporated on 1 November 1999, 26 years ago.
What is the penalty if D S A Design Services 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 D S A Design Services 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.