- Companies
- Finishing trades
- Darlington
- Proassemble Ltd
Proassemble Ltd
- Company number
- 16191073
- Incorporated
- 17 Jan 20251 year trading
- Registered office
- 10 Foss Court, Darlington, DL2 2BX
- Nature of business
- Other building completion and finishing; Repair of furniture and home furnishings
Proassemble Ltd is a 1-year-old private limited company registered in Darlington, company number 16191073, one of 41 building finishing companies in Darlington. Its next accounts are due at Companies House on 17 October 2026, and its first CT600 is due at HMRC on 16 January 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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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House.
Where Proassemble Ltd is registered
The registered office is in Darlington (DL2), in the Darlington local authority area, North East. Show DL2 2BX on a map.
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What happens if Proassemble 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 17 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Oct 2026 to 17 Nov 2026 | £150 |
| 1 to 3 months late | 18 Nov 2026 to 17 Jan 2027 | £375 |
| 3 to 6 months late | 18 Jan 2027 to 17 Apr 2027 | £750 |
| More than 6 months late | From 18 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16191073
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 January 2025 (1 year ago)
- Registered office
- 10 Foss Court, Darlington, DL2 2BX
- Nature of business
- Other building completion and finishing (SIC 43390)
Repair of furniture and home furnishings (SIC 95240) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 16 January 2026
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 Darlington
Other active building finishing companies registered in Darlington.
- Rob Dent Ltd2022
- Robson Granite Worksurfaces Limited2017
- S W Improvements Ltd2023
- Sand & Deliver Ltd2025
- SRB Quality Building Services Ltd2023
- T & K Building Maintenance Ltd2023
- Thistle Solutions Limited2013
- Trunghao Estate Agent Ltd2023
All building finishing companies in Darlington · All trades in Darlington · Finishing trades across the UK
Frequently asked questions
When are Proassemble Ltd's accounts due?
Proassemble Ltd's next accounts are due at Companies House by 17 October 2026 (in 5 days), covering the period to 31 January 2026.
When is Proassemble 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 16 January 2026, due by 16 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Proassemble Ltd still trading?
Proassemble 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 Proassemble Ltd do?
Proassemble Ltd is registered under Other building completion and finishing (SIC 43390); Repair of furniture and home furnishings (SIC 95240).
How old is Proassemble Ltd?
Proassemble Ltd was incorporated on 17 January 2025, 1 year ago.
What is the penalty if Proassemble 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 Proassemble 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.