- Companies
- Civil engineering
- Leeds
- Primacon Ltd
Primacon Ltd
- Company number
- 09962695
- Incorporated
- 21 Jan 201610 years trading
- Registered office
- C/O JDS Accounting 1A, Smithy Mills Lane, Leeds, LS16 8HF
- Nature of business
- Construction of other civil engineering projects n.e.c.
Primacon Ltd is a 10-year-old private limited company registered in Leeds, company number 09962695, one of 163 civil engineering contractors in Leeds. 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 £241K (+194.5%) on the year before, to £365K.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £436K against £120K owed within a year: 3.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £365K | £436K | £120K | 0 | |
| 31 Jul 2024 | £124K | £106K | £40K | 1 | |
| 31 Jul 2023 | £57K | £69K | £30K | 1 | |
| 31 Jan 2022 | £34K | £25K | £12K | 1 | |
| 31 Jan 2021 | £24K | £13K | £9,062 | 1 | |
| 31 Jan 2020 | £17K | £18K | £9,659 | 1 | |
| 31 Jan 2019 | £20K | £20K | £9,809 | ||
| 31 Jan 2018 | £12K | £9,916 | £3,675 | ||
| 31 Jan 2017 | £1,034 | £1,528 | £5,560 | £7,860 |
Where Primacon Ltd is registered
The registered office is in Leeds (LS16), in the Leeds local authority area, Yorkshire and The Humber. Show LS16 8HF on a map.
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Also registered at this address
8 other companies use the same registered office as Primacon Ltd.
- At Developments (Yorkshire) LimtedPlumbers and heating engineers
- Brady Civil & Survey LtdCivil engineering
- D & W Developments LimitedProperty developers
- G.D. Walker (Heating Supplies) LimitedPlumbers and heating engineers
- Imperium Consultancy Group LtdCivil engineering
- J. Page Construction LimitedCivil engineering
- Park Steel Structures LimitedBuilders
- Professional Gas & Mechanical LtdPlumbers and heating engineers
What happens if Primacon 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
- 09962695
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2016 (10 years ago)
- Registered office
- C/O JDS Accounting 1A, Smithy Mills Lane, Leeds, LS16 8HF
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 20 January 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 in Leeds
Other active civil engineering contractors registered in Leeds.
- Prism Network Limited2010
- Pscom Construction Ltd2025
- Pscully Limited2024
- R W Suppression Services Limited2010
- Ram Engineering Ltd2016
- Ridgemoore Consulting Ltd2018
- Right Way Civils Ltd2025
- RJB Civils Ltd2019
All civil engineering contractors in Leeds · All trades in Leeds · Civil engineering across the UK
Frequently asked questions
When are Primacon Ltd's accounts due?
Primacon Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Primacon 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 Primacon Ltd still trading?
Primacon 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 Primacon Ltd do?
Primacon Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Primacon Ltd?
Primacon Ltd was incorporated on 21 January 2016, 10 years ago.
What is the penalty if Primacon 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 Primacon 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.