- Companies
- Civil engineering
- Sunbury-on-Thames
- Raz Engineering Ltd
Raz Engineering Ltd
- Company number
- 11894808
- Incorporated
- 20 Mar 20197 years trading
- Registered office
- Silver Birch Kenton Avenue, Kenton Avenue, Sunbury-on-Thames, Middlesex, TW16 5AR
- Nature of business
- Construction of other civil engineering projects n.e.c.
Raz Engineering Ltd is a 7-year-old private limited company registered in Sunbury-on-Thames, company number 11894808, one of 5 civil engineering contractors in Sunbury-on-Thames. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £648 (-11.2%) on the year before, to £5,135.
- Net assets rose in 1 of 6 year-on-year comparisons on record.
- Current assets of £26K against £8,447 owed within a year: 3.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £5,135 | £26K | £8,447 | 1 | |
| 31 Mar 2025 | £5,783 | £13K | £18K | 1 | |
| 31 Mar 2024 | £1,184 | £8,912 | £9,334 | 1 | |
| 31 Mar 2023 | £1,376 | £12K | £13K | 1 | |
| 31 Mar 2022 | £1,544 | £15K | £16K | 1 | |
| 31 Mar 2021 | £1,735 | £17K | 1 | ||
| 31 Mar 2020 | £2,639 | £26K | £26K | 1 |
Where Raz Engineering Ltd is registered
The registered office is in Sunbury-on-Thames (TW16), in the Spelthorne local authority area, South East. Show TW16 5AR on a map.
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What happens if Raz Engineering 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 11894808
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2019 (7 years ago)
- Registered office
- Silver Birch Kenton Avenue, Kenton Avenue, Sunbury-on-Thames, Middlesex, TW16 5AR
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 14 March 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Sunbury-on-Thames
Other active civil engineering contractors registered in Sunbury-on-Thames.
- Wiszenko Construction Ltd2023
- Buck's Electrical and Data Services Ltd2013
- Laffoy Construction Limited2010
- Latka Construction Ltd2018
All civil engineering contractors in Sunbury-on-Thames · All trades in Sunbury-on-Thames · Civil engineering across the UK
Frequently asked questions
When are Raz Engineering Ltd's accounts due?
Raz Engineering Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Raz Engineering Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Raz Engineering Ltd still trading?
Raz Engineering 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 Raz Engineering Ltd do?
Raz Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Raz Engineering Ltd?
Raz Engineering Ltd was incorporated on 20 March 2019, 7 years ago.
What is the penalty if Raz Engineering 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 Raz Engineering 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.