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- T Mark Limited
Company profile · Specialist contractors
T Mark Limited
T Mark Limited is a 10-year-old private limited company registered in Harwich, company number 10268866, one of 6 specialist construction companies in Harwich. 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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Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House.
T Mark Limited over the years
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 £7,850 (+158.9%) on the year before, to £13K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £33K against £6,279 owed within a year: 5.3 times cover.
- 1 employee on average during the year.
- 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 | £13K | £33K | £6,279 | 1 | |
| 31 Jul 2024 | £4,939 | £34K | £5,956 | 1 | |
| 31 Jul 2023 | £203 | £37K | £3,335 | 1 | |
| 31 Jul 2022 | £32 | £52K | £3,183 | 2 | |
| 31 Jul 2021 | £5,483 | £56K | £2,718 | 2 | |
| 31 Jul 2020 | £5,325 | £7,246 | £2,949 | 2 | |
| 31 Jul 2019 | £8,420 | £9,405 | £2,356 | ||
| 31 Jul 2018 | £3,830 | £6,077 | £4,075 | ||
| 31 Jul 2017 | £1,671 | £5,166 | £3,495 |
Where T Mark Limited is registered
The registered office is in Harwich (CO12), in the Tendring local authority area, East of England. Show CO12 3SD on a map.
Other trade companies in CO12
- Harwich Carpets & Flooring LtdFloor and wall tilers
- Good's Bespoke Interiors LtdBuilders
- PDLM Projects LtdProperty developers
- Weeley MOT and Service Centre LtdMechanics and garages
- Sky-Ri Construction LtdBuilders
- Kentrox LimitedCleaning companies
- HC Landscapes and Groundworks LtdLandscapers and gardeners
- Omega Energy Solutions LtdInstallers
What happens if T Mark 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 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
- 10268866
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 July 2016 (10 years ago)
- Registered office
- 9 Louvain Road, Harwich, CO12 3SD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 23 July 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 Harwich
Other active specialist construction companies registered in Harwich.
- C J Wills Ltd2021
- Henson Installations Ltd2023
- Johnny James Limited2024
- Mill & Son Services Ltd2022
- SSCG Property Ltd2025
All specialist construction companies in Harwich · All trades in Harwich · Specialist contractors across the UK
Frequently asked questions
When are T Mark Limited's accounts due?
T Mark Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is T Mark Limited'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 T Mark Limited still trading?
T Mark 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 T Mark Limited do?
T Mark Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is T Mark Limited?
T Mark Limited was incorporated on 8 July 2016, 10 years ago.
What is the penalty if T Mark 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 T Mark 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.