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- Square Tail Design Ltd
Company profile · Specialist contractors
Square Tail Design Ltd
Square Tail Design Ltd is a 7-year-old private limited company registered in Purley, company number 12063548, one of 11 specialist construction companies in Purley. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 December 2025, as filed at Companies House.
Square Tail Design Ltd 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 £11K (+103.9%) on the year before, to £430.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £31K against £12K owed within a year: 2.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £430 | £1,106 | £31K | £12K | 1 |
| 31 Dec 2024 | -£11K | £1,343 | £19K | £15K | 1 |
| 31 Dec 2023 | £438 | £3,128 | £41K | £20K | 2 |
| 30 Jun 2022 | £7,443 | £30K | £44K | £27K | 2 |
| 30 Jun 2021 | -£791 | £15K | £31K | £2,902 | 2 |
| 30 Jun 2020 | £495 | £2,774 | £24K | £24K | 1 |
Where Square Tail Design Ltd is registered
The registered office is in Purley (CR8), in the Croydon local authority area, London. Show CR8 4JD on a map.
Other trade companies in CR8
- Greenline Grounds LtdLandscapers and gardeners
- Darkwa Clean LtdCleaning companies
- SJC Property Care LtdCleaning companies
- Riseapp Sortation LtdGroundworks and demolition
- Musbal Nig LimitedBuilders
- Set Carpentry LtdInstallers
- Fixed First LtdBuilders
- C1 Projects LtdBuilders
Also registered at this address
1 other company uses the same registered office as Square Tail Design Ltd.
- S.C Rendering LtdSpecialist contractors
What happens if Square Tail Design 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 12063548
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 June 2019 (7 years ago)
- Registered office
- 37 Woodcrest Road, Purley, CR8 4JD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 20 June 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 Purley
Other active specialist construction companies registered in Purley.
- Accounts Express Ltd2007
- Bobby Builder and Landscapers Ltd2023
- Croydon Renovations Ltd2025
- Design and Construction Traders Ltd2021
- H & B Services London Ltd2019
- Jaiya Limited2019
- Mar-Ion Ltd2024
- McBride Maintenance Ltd2026
All specialist construction companies in Purley · All trades in Purley · Specialist contractors across the UK
Frequently asked questions
When are Square Tail Design Ltd's accounts due?
Square Tail Design Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Square Tail Design Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Square Tail Design Ltd still trading?
Square Tail Design 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 Square Tail Design Ltd do?
Square Tail Design Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Square Tail Design Ltd?
Square Tail Design Ltd was incorporated on 21 June 2019, 7 years ago.
What is the penalty if Square Tail Design 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 Square Tail Design 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.