- Company number
- 05806826
- Incorporated
- 5 May 200620 years trading
- Registered office
- 2 South Park Road, Harrogate, North Yorkshire, HG1 5QU
- Nature of business
- Construction of commercial buildings; Other letting and operating of own or leased real estate
121 Mountco 074 Limited is a 20-year-old private limited company registered in Harrogate, company number 05806826, one of 91 building contractors in Harrogate. 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 up £55K (+2%) on the year before, to £2.8M.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £2M against £24K owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 May 2025 | £2.8M | £2M | £24K | 0 | |
| 31 May 2024 | £2.8M | £1.9M | £20K | 0 | |
| 31 May 2023 | £2.7M | £1.7M | £25K | 0 | |
| 31 May 2022 | £2.7M | £1.6M | £27K | 0 | |
| 31 May 2021 | £2.6M | £1.5M | £21K | 1 | |
| 31 May 2020 | £2.6M | £1.5M | £25K | 0 | |
| 31 May 2019 | £2.5M | £1.6M | £140K | ||
| 31 May 2018 | £1.7M | £52K | £141K | ||
| 31 May 2017 | £1.6M | £37K | £202K | ||
| 31 May 2016 | £1.5M | £64K | £75K | £302K |
Where 121 Mountco 074 Limited is registered
The registered office is in Harrogate (HG1), in the North Yorkshire local authority area, Yorkshire and The Humber. Show HG1 5QU on a map.
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What happens if 121 Mountco 074 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 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
- 05806826
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 May 2006 (20 years ago)
- Registered office
- 2 South Park Road, Harrogate, North Yorkshire, HG1 5QU
- Nature of business
- Construction of commercial buildings (SIC 41201)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 3 June 2026
- Charges (mortgages)
- 5 outstanding of 12 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Harrogate
Other active building contractors registered in Harrogate.
- 700 American Ltd2024
- Ah Building Limited2025
- Alafaq Global Trading Ltd2025
- Albashiri Contracting and Trading Ltd2024
- Angela Swift Developments (Gomersal) Limited2025
- Angela Swift Developments (Southport) Limited2024
- Angela Swift Developments (Stainton) Limited2017
- Angela Swift Developments (Worsley) Ltd2024
All building contractors in Harrogate · All trades in Harrogate · Builders across the UK
Frequently asked questions
When are 121 Mountco 074 Limited's accounts due?
121 Mountco 074 Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is 121 Mountco 074 Limited'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 121 Mountco 074 Limited still trading?
121 Mountco 074 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 121 Mountco 074 Limited do?
121 Mountco 074 Limited is registered under Construction of commercial buildings (SIC 41201); Other letting and operating of own or leased real estate (SIC 68209).
How old is 121 Mountco 074 Limited?
121 Mountco 074 Limited was incorporated on 5 May 2006, 20 years ago.
What is the penalty if 121 Mountco 074 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 121 Mountco 074 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.