- Companies
- Specialist contractors
- Stockton-on-Tees
- Tsi Services Ltd
Tsi Services Ltd
- Company number
- 16310041
- Incorporated
- 12 Mar 20251 year trading
- Registered office
- The Birches, Great Stainton, Stockton-on-Tees, TS21 1NA
- Nature of business
- Other specialised construction activities n.e.c.
Tsi Services Ltd is a 1-year-old private limited company registered in Stockton-on-Tees, company number 16310041, one of 100 specialist construction companies in Stockton-on-Tees. Its next accounts are due at Companies House on 12 December 2026, and its first CT600 is due at HMRC on 11 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Tsi Services Ltd is registered
The registered office is in Stockton-on-Tees (TS21), in the Darlington local authority area, North East. Show TS21 1NA on a map.
Other trade companies in TS21
- Red Testing Services LtdElectricians
- JL Utilities (North East) LtdCivil engineering
- Metlec LtdElectricians
- NB Snagging Surveys LimitedFinishing trades
- DMC Lifting LtdInstallers
- Natex Construction LtdProperty developers
- 17237044 LimitedFinishing trades
- Adam Smith Property Services LtdInstallers
Also registered at this address
1 other company uses the same registered office as Tsi Services Ltd.
- Top Shelf Installations LtdSpecialist contractors
What happens if Tsi Services 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 12 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 Dec 2026 to 12 Jan 2027 | £150 |
| 1 to 3 months late | 13 Jan 2027 to 12 Mar 2027 | £375 |
| 3 to 6 months late | 13 Mar 2027 to 12 Jun 2027 | £750 |
| More than 6 months late | From 13 Jun 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
- 16310041
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 2025 (1 year ago)
- Registered office
- The Birches, Great Stainton, Stockton-on-Tees, TS21 1NA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 11 March 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 Stockton-on-Tees
Other active specialist construction companies registered in Stockton-on-Tees.
- Tyne-Tees Ropes Rigging & Access Services Ltd2023
- Ukforward Ltd2022
- Wood Heat Limited2012
- Your Damp Specialists Limited2017
- Your Home Quality Inspection Limited2026
- 360 Height Projects Limited2019
- 710 NDT Inspection Limited2014
- Abs Lifting Solutions Limited2020
All specialist construction companies in Stockton-on-Tees · All trades in Stockton-on-Tees · Specialist contractors across the UK
Frequently asked questions
When are Tsi Services Ltd's accounts due?
Tsi Services Ltd's next accounts are due at Companies House by 12 December 2026 (in 60 days), covering the period to 31 March 2026.
When is Tsi Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 11 March 2026, due by 11 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Tsi Services Ltd still trading?
Tsi Services 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 Tsi Services Ltd do?
Tsi Services Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Tsi Services Ltd?
Tsi Services Ltd was incorporated on 12 March 2025, 1 year ago.
What is the penalty if Tsi Services 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 Tsi Services 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.