- Companies
- Groundworks and demolition
- Perth
- Paragon Protection Systems Ltd
Paragon Protection Systems Ltd
- Company number
- SC513620
- Incorporated
- 20 Aug 201511 years trading
- Registered office
- The Steading Inchcoonans, Errol, Perth, PH2 7RB
- Nature of business
- Site preparation
Paragon Protection Systems Ltd is a 11-year-old private limited company registered in Perth, company number SC513620, one of the UK's groundworks and demolition companies. 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 £179K (+9.7%) on the year before, to £2M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £2M against £1.4M owed within a year: 1.4 times cover.
- 17 employees 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 Dec 2025 | £2M | £297K | £2M | £1.4M | 17 |
| 31 Dec 2024 | £1.8M | £1.4M | £2.8M | £1.7M | 17 |
| 31 Dec 2023 | £1.4M | £915K | £1.9M | £1.1M | 15 |
| 31 Dec 2022 | £1.1M | £763K | £1.6M | £919K | 11 |
| 31 Dec 2021 | £794K | £410K | £1.2M | £561K | 13 |
| 31 Dec 2020 | £221K | £460K | £769K | £371K | 10 |
| 31 Dec 2019 | £8,599 | £6,069 | £253K | £292K | 10 |
| 31 Dec 2018 | £2,749 | £45K | £291K | £336K | 10 |
| 31 Dec 2017 | £16K | £109K | £275K | £305K | 7 |
| 31 Dec 2016 | £289 | £3,000 | £86K | £119K | 3 |
Public contracts won
Paragon Protection Systems Ltd has 3 public sector contract awards on record; the ones with their own published value total £730K, from 2025 to 2026. Source: Contracts Finder and Find a Tender award notices. 1 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- London Borough of Bromley1 award
- Sellafield Limited1 award
- Stockton on Tees Borough Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| London Borough of Bromley | Re-erection and Installation of Existing Zapp Shelter | £102K | 1 Sep 2026 |
| Sellafield Limited | Lower Compound: 1no 8m wide x 40.85m lon | £580K | 30 Jun 2026 |
| Stockton on Tees Borough Council | Waste Storage Shelter for the Waste Transfer Station | £49K | 8 Nov 2025 |
Where Paragon Protection Systems Ltd is registered
The registered office is in Perth (PH2), in the Perth and Kinross local authority area, Scotland. Show PH2 7RB on a map.
Other trade companies in PH2
- Stevenson Joinery LtdJoiners and carpenters
- NDRC Performance LtdMotor traders
- Galent Builders LtdBuilders
- Macallister Property Investments LtdBuilders
- Z Mac Electrical LtdBuilders
- Elevate Property Care LtdCleaning companies
- Source Trade Supply LtdMotor traders
- D.Smith Automotive Services LtdMechanics and garages
What happens if Paragon Protection Systems 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 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
- SC513620
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2015 (11 years ago)
- Registered office
- The Steading Inchcoonans, Errol, Perth, PH2 7RB
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 20 August 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Perth
Other active groundworks and demolition companies registered in Perth.
All groundworks and demolition companies in Perth · All trades in Perth · Groundworks and demolition across the UK
Frequently asked questions
When are Paragon Protection Systems Ltd's accounts due?
Paragon Protection Systems Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Paragon Protection Systems Ltd'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 Paragon Protection Systems Ltd still trading?
Paragon Protection Systems 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 Paragon Protection Systems Ltd do?
Paragon Protection Systems Ltd is registered under Site preparation (SIC 43120).
How old is Paragon Protection Systems Ltd?
Paragon Protection Systems Ltd was incorporated on 20 August 2015, 11 years ago.
Has Paragon Protection Systems Ltd won public sector contracts?
Yes. Paragon Protection Systems Ltd has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £730K), most recently from London Borough of Bromley.
What is the penalty if Paragon Protection Systems 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 Paragon Protection Systems 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.