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- Dover
- Prima Systems (South East) Limited
Prima Systems (South East) Limited
- Company number
- 02809612
- Incorporated
- 15 Apr 199333 years trading
- Registered office
- The Kent Barn ST Radigunds Abbey Farm, Abbey Road, Dover, CT15 7DL
- Nature of business
- Other construction installation; Other building completion and finishing; Other specialised construction activities n.e.c.
Prima Systems (South East) Limited is a 33-year-old private limited company registered in Dover, company number 02809612, one of 13 installation companies (insulation, lifts, shutters and similar) in Dover. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 down £53K (-15.5%) on the year before, to £286K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £2.7M against £2.4M owed within a year: 1.1 times cover.
- 21 employees on average, up from 17 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £286K | £503K | £2.7M | £2.4M | 21 |
| 30 Jun 2024 | £339K | £475K | £1.7M | £1.4M | 17 |
| 30 Jun 2023 | £288K | £490K | £991K | £727K | 17 |
| 30 Jun 2022 | £205K | £512K | £2.2M | £2.1M | 17 |
| 31 Mar 2021 | £1.2M | £1.6M | £3M | £1.9M | 16 |
| 30 Jun 2020 | £941K | £1.5M | £2.5M | £1.7M | 27 |
| 30 Jun 2019 | £1.2M | £1.1M | £2.4M | £1.3M | 27 |
Public contracts won
Prima Systems (South East) Limited has 3 public sector contract awards on record; the ones with their own published value total £194K, from 2024 to 2025. Source: Contracts Finder and Find a Tender award notices. For 1 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 1 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Kent County Council1 award
- Kent County Council1 award
- LHC Procurement Group1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Kent County Council | Palace Wood PS window replacement KS2 block | £41K | 22 Apr 2025 |
| Kent County Council | Hollingbourne PS - Window Replacement Retention | £153K | 25 Apr 2024 |
| LHC Procurement Group | Aluminium Windows and Doors | Ceiling, not shown | 4 Apr 2024 |
Where Prima Systems (South East) Limited is registered
The registered office is in Dover (CT15), in the Dover local authority area, South East. Show CT15 7DL on a map.
Other trade companies in CT15
- Ekf Group LtdPlumbers and heating engineers
- Revival Motorworks Vehicle Restorations LtdMechanics and garages
- CLS Plumbing LimitedPlumbers and heating engineers
- Daly Construction and Infrastructure Solutions LtdBuilders
- Heron Main LimitedInstallers
- Sharps Building Services LtdBuilders
- Raysun Renewables LtdElectricians
- KBR Landscaping LtdLandscapers and gardeners
Also registered at this address
2 other companies use the same registered office as Prima Systems (South East) Limited.
- Prima Commercial Services LimitedInstallers
- Prima Fenestration LimitedInstallers
What happens if Prima Systems (South East) 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 02809612
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 April 1993 (33 years ago)
- Registered office
- The Kent Barn ST Radigunds Abbey Farm, Abbey Road, Dover, CT15 7DL
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 15 April 2026
- Charges (mortgages)
- 0 outstanding of 8 registered
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Dover
Other active installation companies (insulation, lifts, shutters and similar) registered in Dover.
- Step Above Safety Limited2018
- All in One Property Enterprises Ltd2014
- Asea Services Limited2024
- C. A Landscape & Groundworks Ltd2019
- Ceramique Unique Limited2024
- Classic Garage Doors (Kent) Limited2009
- Edmunds Di Ltd2018
- Heron Main Limited2026
All installation companies (insulation, lifts, shutters and similar) in Dover · All trades in Dover · Installers across the UK
Frequently asked questions
When are Prima Systems (South East) Limited's accounts due?
Prima Systems (South East) Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Prima Systems (South East) Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Prima Systems (South East) Limited still trading?
Prima Systems (South East) 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 Prima Systems (South East) Limited do?
Prima Systems (South East) Limited is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Prima Systems (South East) Limited?
Prima Systems (South East) Limited was incorporated on 15 April 1993, 33 years ago.
Has Prima Systems (South East) Limited won public sector contracts?
Yes. Prima Systems (South East) Limited has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £194K), most recently from Kent County Council.
What is the penalty if Prima Systems (South East) 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 Prima Systems (South East) 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.