- Companies
- Specialist contractors
- Southampton
- Williams Water Engineering Ltd
Williams Water Engineering Ltd
- Company number
- 15676582
- Incorporated
- 24 Apr 20242 years trading
- Registered office
- Unit 4 Basepoint Business Centre, Andersons Road, Southampton, SO14 5FE
- Nature of business
- Other specialised construction activities n.e.c.
Williams Water Engineering Ltd is a 2-year-old private limited company registered in Southampton, company number 15676582, one of 202 specialist construction companies in Southampton. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Williams Water Engineering LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £1,180 (+8.2%) on the year before, to £16K.
- Current assets of £21K against £5,732 owed within a year: 3.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £16K | £16K | £21K | £5,732 | 0 |
| 30 Apr 2025 | £14K | £17K | £21K | £6,154 | 0 |
Where Williams Water Engineering Ltd is registered
The registered office is in Southampton (SO14), in the Southampton local authority area, South East. Show SO14 5FE on a map.
Other trade companies in SO14
- Cat Garage LtdMechanics and garages
- Sonix LtdBuilders
- Vanie & Dick LtdBuilders
- 33 Motors LtdMotor traders
- Pure Light Cleaning LtdCleaning companies
- Cccjr Trading LimitedMotor traders
- Otess LtdFloor and wall tilers
- Bevertex LimitedElectricians
What happens if Williams Water 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15676582
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 April 2024 (2 years ago)
- Registered office
- Unit 4 Basepoint Business Centre, Andersons Road, Southampton, SO14 5FE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 23 April 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 Southampton
Other active specialist construction companies registered in Southampton.
- Willis & Crockett Ltd2024
- A & S Scaffolding (Southern) Limited2003
- A and G Fencing and Building Maintenance Ltd2010
- A Fletcher and Sons Limited2004
- A S D South Limited1997
- A.W. Berry Developments Ltd2026
- Acer Renovations Ltd2011
- Advanced Services (Southampton) Limited2007
All specialist construction companies in Southampton · All trades in Southampton · Specialist contractors across the UK
Frequently asked questions
When are Williams Water Engineering Ltd's accounts due?
Williams Water Engineering Ltd's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is Williams Water Engineering Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Williams Water Engineering Ltd still trading?
Williams Water 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 Williams Water Engineering Ltd do?
Williams Water Engineering Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Williams Water Engineering Ltd?
Williams Water Engineering Ltd was incorporated on 24 April 2024, 2 years ago.
What is the penalty if Williams Water 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 Williams Water 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.