- Companies
- Finishing trades
- South Shields
- Sainii Builders Ltd
Sainii Builders Ltd
- Company number
- 12070142
- Incorporated
- 26 Jun 20197 years trading
- Registered office
- 13 Windmill Hill, South Shields, Tyne And Wear, NE33 1SF
- Nature of business
- Other building completion and finishing
Sainii Builders Ltd is a 7-year-old private limited company registered in South Shields, company number 12070142, one of 16 building finishing companies in South Shields. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £2,326 (-76.5%) on the year before, to £713.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £7,560 against £8,743 owed within a year: 0.9 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 Mar 2025 | £713 | £7,560 | £8,743 | 1 | |
| 31 Mar 2024 | £3,039 | £7,529 | £6,008 | 1 | |
| 31 Mar 2023 | £1,306 | £11K | £6,585 | 1 | |
| 30 Jun 2022 | £1,357 | £8,557 | £6,255 | 1 | |
| 30 Jun 2021 | £1,912 | £6,277 | £3,595 | 1 | |
| 30 Jun 2020 | £2,148 | £12K | £4,177 | 1 |
Where Sainii Builders Ltd is registered
The registered office is in South Shields (NE33), in the South Tyneside local authority area, North East. Show NE33 1SF on a map.
Other trade companies in NE33
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What happens if Sainii Builders 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 12070142
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 June 2019 (7 years ago)
- Registered office
- 13 Windmill Hill, South Shields, Tyne And Wear, NE33 1SF
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 11 October 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in South Shields
Other active building finishing companies registered in South Shields.
- The Meanie Group Ltd2026
- Tyne Interiors Limited2020
- B R Glazing Ne Ltd2023
- BDS Building & Joinery Ne Ltd2012
- D Shaw Glazing Limited2002
- Gibson Property Solutions Ltd2021
- Good Honest Grub Ltd2020
- Heartland Construction Ne Ltd2023
All building finishing companies in South Shields · All trades in South Shields · Finishing trades across the UK
Frequently asked questions
When are Sainii Builders Ltd's accounts due?
Sainii Builders Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Sainii Builders Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Sainii Builders Ltd still trading?
Sainii Builders 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 Sainii Builders Ltd do?
Sainii Builders Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Sainii Builders Ltd?
Sainii Builders Ltd was incorporated on 26 June 2019, 7 years ago.
What is the penalty if Sainii Builders 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 Sainii Builders 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.