- Companies
- Builders
- Southend-on-Sea
- Atlantis Southend Ltd
Atlantis Southend Ltd
- Company number
- 12041364
- Incorporated
- 10 Jun 20197 years trading
- Registered office
- 63 Alexandra Road, Southend-on-Sea, SS1 1EY
- Nature of business
- Construction of domestic buildings; Other building completion and finishing
Atlantis Southend Ltd is a 7-year-old private limited company registered in Southend-on-Sea, company number 12041364, one of 86 building contractors in Southend-on-Sea. Its next accounts are due at Companies House on 9 March 2027, and the CT600 for the period to 9 June 2026 is due at HMRC on 9 June 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 down £932 (-20.2%) on the year before, to -£5,547.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 9 Jun 2025 | -£5,547 | £5,547 | 0 | ||
| 30 Jun 2024 | -£4,615 | £2,579 | £7,194 | 0 | |
| 30 Jun 2023 | -£5,676 | £303 | £5,979 | 1 | |
| 30 Jun 2022 | -£1,338 | £6,260 | £1,617 | 1 | |
| 30 Jun 2021 | -£2,135 | £5,944 | £79 | 1 | |
| 30 Jun 2020 | -£4,234 | £8,632 | 1 | ||
| 9 Jun 2019 | £0 | £0 |
Where Atlantis Southend Ltd is registered
The registered office is in Southend-on-Sea (SS1), in the Southend-on-Sea local authority area, East of England. Show SS1 1EY on a map.
Other trade companies in SS1
- Coastal Property Partners LtdProperty developers
- Blue Label LtdProperty developers
- Keyfast Locksmiths LtdMechanics and garages
- Flourishing Horticulture LimitedLandscapers and gardeners
- S&B Electrical Group LimitedElectricians
- Cukris Joinery LtdJoiners and carpenters
- Tread & Co. Tyres LtdMotor traders
- Faiton LimitedMotor traders
What happens if Atlantis Southend 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 9 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Mar 2027 to 9 Apr 2027 | £150 |
| 1 to 3 months late | 10 Apr 2027 to 9 Jun 2027 | £375 |
| 3 to 6 months late | 10 Jun 2027 to 9 Sep 2027 | £750 |
| More than 6 months late | From 10 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 10 Jun 2027 | £200 |
| 3 months late | 9 Sep 2027 | another £200 |
| 6 months late | 9 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 9 Jun 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
- 12041364
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 June 2019 (7 years ago)
- Registered office
- 63 Alexandra Road, Southend-on-Sea, SS1 1EY
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390) - Year end
- 9 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 9 June 2025
- Last confirmation statement
- 9 June 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Southend-on-Sea
Other active building contractors registered in Southend-on-Sea.
- Balia Builders Ltd2009
- Beks Refurbishment Limited2022
- BG Ceontea Ltd2022
- Bmi Interiors Ltd2023
- C. Jones Construction Limited2012
- CDLS Property Opportunities Limited2018
- Ced Services and Logistic Ltd2016
- CKK Civil Construction Limited2022
All building contractors in Southend-on-Sea · All trades in Southend-on-Sea · Builders across the UK
Frequently asked questions
When are Atlantis Southend Ltd's accounts due?
Atlantis Southend Ltd's next accounts are due at Companies House by 9 March 2027 (in 147 days), covering the period to 9 June 2026.
When is Atlantis Southend Ltd's CT600 due?
The CT600 for the period to 9 June 2026 is due at HMRC by 9 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 10 March 2027.
Is Atlantis Southend Ltd still trading?
Atlantis Southend 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 Atlantis Southend Ltd do?
Atlantis Southend Ltd is registered under Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).
How old is Atlantis Southend Ltd?
Atlantis Southend Ltd was incorporated on 10 June 2019, 7 years ago.
What is the penalty if Atlantis Southend 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 Atlantis Southend 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.