- Companies
- Specialist contractors
- Leigh on Sea
- Baseline Site Engineering Ltd
Baseline Site Engineering Ltd
- Company number
- 17112209
- Incorporated
- 24 Mar 2026
- Registered office
- Top Floor, 10 the Broadway, Leigh on Sea, Essex, SS9 1AW
- Nature of business
- Other specialised construction activities n.e.c.; Other engineering activities
Baseline Site Engineering Ltd is a newly incorporated private limited company registered in Leigh on Sea, company number 17112209, one of 36 specialist construction companies in Leigh on Sea. Its next accounts are due at Companies House on 24 December 2027, and its first CT600 is due at HMRC on 23 March 2028.
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 Baseline Site Engineering Ltd is registered
The registered office is in Leigh on Sea (SS9), in the Southend-on-Sea local authority area, East of England. Show SS9 1AW on a map.
Other trade companies in SS9
- Cheap Locksmith Essex LtdRepair services
- Alexander Hall Real Estate LtdProperty developers
- Britannia Roofing & Dampproofing LtdRoofers
- Elite Build & Co (Essex) LtdBuilders
- High Lift Scaffold LimitedScaffolders
- Hill's Plumbing, Heating & Gas LtdPlumbers and heating engineers
- MTS Piling LimitedSpecialist contractors
- Install & Transport LimitedMachinery repair and installation
Shared registered office
208 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Baseline Site 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 24 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Dec 2027 to 24 Jan 2028 | £150 |
| 1 to 3 months late | 25 Jan 2028 to 24 Mar 2028 | £375 |
| 3 to 6 months late | 25 Mar 2028 to 24 Jun 2028 | £750 |
| More than 6 months late | From 25 Jun 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
- 17112209
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 March 2026
- Registered office
- Top Floor, 10 the Broadway, Leigh on Sea, Essex, SS9 1AW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Other engineering activities (SIC 71129) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 6 May 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 Leigh on Sea
Other active specialist construction companies registered in Leigh on Sea.
- Bespoke Marble Granite Quartz Limited2017
- Bimjackson Limited2019
- Calmacad Ltd2014
- Contract Welding Services Ltd2007
- Cottrell Civils Limited2007
- D & K Facilities Maintenance Limited1999
- D C Rigging Limited2014
- Dse Carpentry Limited2021
All specialist construction companies in Leigh on Sea · All trades in Leigh on Sea · Specialist contractors across the UK
Frequently asked questions
When are Baseline Site Engineering Ltd's accounts due?
Baseline Site Engineering Ltd's next accounts are due at Companies House by 24 December 2027 (in 438 days), covering the period to 31 March 2027.
When is Baseline Site Engineering 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 23 March 2027, due by 23 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Baseline Site Engineering Ltd still trading?
Baseline Site 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 Baseline Site Engineering Ltd do?
Baseline Site Engineering Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Other engineering activities (SIC 71129).
How old is Baseline Site Engineering Ltd?
Baseline Site Engineering Ltd was incorporated on 24 March 2026, less than a year ago.
What is the penalty if Baseline Site 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 Baseline Site 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.