- Companies
- Civil engineering
- Falmouth
- Tirhamor Ltd
Tirhamor Ltd
- Company number
- 13295965
- Incorporated
- 26 Mar 20215 years trading
- Registered office
- 1C Discovery Quay, Falmouth, TR11 3XP
- Nature of business
- Construction of other civil engineering projects n.e.c.
Tirhamor Ltd is a 5-year-old private limited company registered in Falmouth, company number 13295965, one of 7 civil engineering contractors in Falmouth. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £14K on the year before, to -£13K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £9,790 against £29K owed within a year: 0.3 times cover.
- 1 employee on average, down from 6 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | -£13K | £9,790 | £9,790 | £29K | 1 |
| 31 May 2024 | £586 | £4,050 | £4,050 | £7,896 | 6 |
| 31 May 2023 | £6,590 | £12K | £9,437 | 8 | |
| 31 May 2022 | £1 | £1 |
Where Tirhamor Ltd is registered
The registered office is in Falmouth (TR11), in the Cornwall local authority area, South West. Show TR11 3XP on a map.
Other trade companies in TR11
- Cornwall Goods Company LtdMotor traders
- Hinchley Plumbing & Heating LtdPlumbers and heating engineers
- Kernow Exports LtdMotor traders
- Melvin Solutions LimitedBuilders
- Granite & Stone Developments LtdProperty developers
- The Holm Oak Company LtdFacilities management
- Castle Bay Construction (SW) LimitedBuilders
- Tubix LtdScaffolders
What happens if Tirhamor 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 13295965
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 March 2021 (5 years ago)
- Registered office
- 1C Discovery Quay, Falmouth, TR11 3XP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 10 November 2025
- Previous names
- Phobar Ltd (until 20 Feb 2024)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Falmouth
Other active civil engineering contractors registered in Falmouth.
- Cremin Surfacing Groundworks & Landscaping Limited2015
- Exact Structures Ltd2018
- Gaffers and Luggers Limited2022
- MH Groundworks Limited2013
- Mulberry Slip Engineering Limited2013
- Profibre Limited2007
All civil engineering contractors in Falmouth · All trades in Falmouth · Civil engineering across the UK
Frequently asked questions
When are Tirhamor Ltd's accounts due?
Tirhamor Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Tirhamor Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Tirhamor Ltd still trading?
Tirhamor 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 Tirhamor Ltd do?
Tirhamor Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Tirhamor Ltd?
Tirhamor Ltd was incorporated on 26 March 2021, 5 years ago.
What is the penalty if Tirhamor 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 Tirhamor 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.