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  4. Tmarine Ltd

Tmarine Ltd

ActiveTotal exemption (full) accountsMachinery repair and installationPoole
Company number
14192866
Incorporated
24 Jun 20224 years trading
Registered office
2 Shillingstone Gardens, Poole, BH12 4HJ
Nature of business
Repair and maintenance of ships and boats
Accounts
Overdue
Were due 31 Mar 2026
Checked with Companies House 13 Oct 2026

Tmarine Ltd is a 4-year-old private limited company registered in Poole, company number 14192866, one of 117 machinery repair and installation companies in Poole. Companies House shows its accounts as overdue: they were due on 31 March 2026.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Mar 2026
Overdue by 196 days
For the period to 30 Jun 2025
CT600 due
30 Jun 2026
Date passed (HMRC does not publish filings)
Period 1 Jul 2024 to 30 Jun 2025
Corporation tax payment
1 Apr 2026
Date passed
9 months and 1 day after the period end
Confirmation statement
7 Jul 2026
Overdue by 98 days
Last made up to 23 Jun 2025

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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 £43K (+104.7%) on the year before, to £83K.
  • Current assets of £116K against £66K owed within a year: 1.8 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 2 years, 2023 to 2024.

Net assets by year

Net assets at each year end, 2023 to 2024£0£50K30 June 2023: net assets £41K£41K202330 June 2024: net assets £83K£83K2024
Net assets at each year end, 2023 to 2024£0£50K30 June 2023: net assets £41K£41K202330 June 2024: net assets £83K£83K2024
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Jun 2024£83K£1,585£116K£66K1
30 Jun 2023£41K£6,141£52K£12K1

Where Tmarine Ltd is registered

Tmarine Ltd's registered office on a map of the UK

The registered office is in Poole (BH12), in the Bournemouth, Christchurch and Poole local authority area, South West. Show BH12 4HJ on a map.

Other trade companies in BH12

What happens if Tmarine Ltd files late

If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Apr 2026 to 30 Apr 2026£150
1 to 3 months late1 May 2026 to 30 Jun 2026£375
3 to 6 months late1 Jul 2026 to 30 Sep 2026£750
More than 6 months lateFrom 1 Oct 2026£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Jul 2026£200
3 months late30 Sep 2026another £200
6 months late30 Dec 2026HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 2027another 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
14192866
Status
Active
Company type
Private limited company
Incorporated
24 June 2022 (4 years ago)
Registered office
2 Shillingstone Gardens, Poole, BH12 4HJ
Nature of business
Repair and maintenance of ships and boats (SIC 33150)
Year end
30 June (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 June 2024
Last confirmation statement
23 June 2025

Filing notes for machinery repair and installation companies

Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.

Similar companies in Poole

Other active machinery repair and installation companies registered in Poole.

All machinery repair and installation companies in Poole · All trades in Poole · Machinery repair and installation across the UK

Frequently asked questions

When are Tmarine Ltd's accounts due?

Tmarine Ltd's accounts were due at Companies House on 31 March 2026 and the register shows them as overdue.

When is Tmarine Ltd's CT600 due?

The CT600 for the period to 30 June 2025 is due at HMRC by 30 June 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2026.

Is Tmarine Ltd still trading?

Tmarine Ltd is listed as active on the Companies House register (checked 13 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 Tmarine Ltd do?

Tmarine Ltd is registered under Repair and maintenance of ships and boats (SIC 33150).

How old is Tmarine Ltd?

Tmarine Ltd was incorporated on 24 June 2022, 4 years ago.

What is the penalty if Tmarine 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 Tmarine Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.

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