- Companies
- Specialist contractors
- Stowmarket
- Protec Marine Ltd
Protec Marine Ltd
- Company number
- 14071449
- Incorporated
- 26 Apr 20224 years trading
- Registered office
- The Waltz Stowmarket Road, Stonham Aspal, Stowmarket, IP14 6AA
- Nature of business
- Other specialised construction activities n.e.c.
Protec Marine Ltd is a 4-year-old private limited company registered in Stowmarket, company number 14071449, one of 15 specialist construction companies in Stowmarket. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 Protec Marine 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.
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 £15K (+84%) on the year before, to -£2,831.
- Current assets of £2,180 against £1,911 owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£2,831 | £850 | £2,180 | £1,911 | 1 |
| 30 Apr 2024 | -£18K | £147 | £147 | £1,159 | 1 |
| 30 Apr 2023 | -£35 | £218 | £6,182 | £2,717 | 1 |
Where Protec Marine Ltd is registered
The registered office is in Stowmarket (IP14), in the Mid Suffolk local authority area, East of England. Show IP14 6AA on a map.
Other trade companies in IP14
- Ipswich Flat Roofing Solutions LimitedRoofers
- Wilkinson Contracting LimitedBuilders
- LBK Asbestos Suffolk LtdCleaning companies
- Fault Protection LtdElectricians
- Dennis Automotive Group LtdMotor traders
- JRB Carpentry & Joinery LtdJoiners and carpenters
- Suffolk Car and Van LtdMotor traders
- Site Ready Services LimitedCleaning companies
Also registered at this address
1 other company uses the same registered office as Protec Marine Ltd.
- Protec Plumbing LtdPlumbers and heating engineers
What happens if Protec Marine 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 14071449
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 April 2022 (4 years ago)
- Registered office
- The Waltz Stowmarket Road, Stonham Aspal, Stowmarket, IP14 6AA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 25 April 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Stowmarket
Other active specialist construction companies registered in Stowmarket.
- Alan John King Limited2011
- Andrew Gray Project Management Ltd2024
- BJBC Limited2022
- Clarke Fencing Limited2005
- Denvi Contractors Ltd2019
- Djelo Limited2013
- DPW Construction Limited2008
- Emma Plant Hire Ltd2020
All specialist construction companies in Stowmarket · All trades in Stowmarket · Specialist contractors across the UK
Frequently asked questions
When are Protec Marine Ltd's accounts due?
Protec Marine Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Protec Marine Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Protec Marine Ltd still trading?
Protec Marine 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 Protec Marine Ltd do?
Protec Marine Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Protec Marine Ltd?
Protec Marine Ltd was incorporated on 26 April 2022, 4 years ago.
What is the penalty if Protec Marine 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 Protec Marine 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.