- Companies
- Specialist contractors
- London
- Congro Ltd
Congro Ltd
- Company number
- 11930494
- Incorporated
- 8 Apr 20197 years trading
- Registered office
- 26 Brookside Road, London, NW11 9NE
- Nature of business
- Other specialised construction activities n.e.c.
Congro Ltd is a 7-year-old private limited company registered in London, company number 11930494, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 29 January 2027, and the CT600 for the period to 29 April 2026 is due at HMRC on 29 April 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 £1,795 (+65.7%) on the year before, to £4,527.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £272K against £268K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £4,527 | £9,058 | £272K | £268K | 0 |
| 30 Apr 2024 | £2,732 | £9,664 | £13K | £11K | 0 |
| 30 Apr 2023 | £1,825 | £15K | £13K | 0 | |
| 30 Apr 2022 | £5,612 | £24K | £24K | £19K | 0 |
| 30 Apr 2021 | £2,640 | £10K | £11K | £9,302 | 0 |
| 30 Apr 2020 | £21 | £3,595 | £4,309 | 0 |
Where Congro Ltd is registered
The registered office is in London (NW11), in the Barnet local authority area, London. Show NW11 9NE on a map.
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What happens if Congro 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 29 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jan 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 29 Apr 2027 | £375 |
| 3 to 6 months late | 30 Apr 2027 to 29 Jul 2027 | £750 |
| More than 6 months late | From 30 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Apr 2027 | £200 |
| 3 months late | 29 Jul 2027 | another £200 |
| 6 months late | 29 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Apr 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
- 11930494
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 April 2019 (7 years ago)
- Registered office
- 26 Brookside Road, London, NW11 9NE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 29 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 7 April 2026
- Previous names
- Rytus Limited (until 22 Jun 2024)
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 London
Other active specialist construction companies registered in London.
- Conisbee Engineers Ltd2024
- Connect & Repair Ltd2026
- Connect Housing (North East) Ltd2026
- Connect Sprinkler System Limited2022
- Connect T M Holdings Limited2011
- Conport Structures Limited1965
- Conrad John Limited2021
- Conscons Ltd2021
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Congro Ltd's accounts due?
Congro Ltd's next accounts are due at Companies House by 29 January 2027 (in 109 days), covering the period to 29 April 2026.
When is Congro Ltd's CT600 due?
The CT600 for the period to 29 April 2026 is due at HMRC by 29 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 January 2027.
Is Congro Ltd still trading?
Congro 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 Congro Ltd do?
Congro Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Congro Ltd?
Congro Ltd was incorporated on 8 April 2019, 7 years ago.
What is the penalty if Congro 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 Congro 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.