- Company number
- 12061151
- Incorporated
- 20 Jun 20197 years trading
- Registered office
- Fortress House, 301 High Road, Benfleet, SS7 5HA
- Nature of business
- Construction of commercial buildings
MM (South East) Ltd is a 7-year-old private limited company registered in Benfleet, company number 12061151, one of 100 building contractors in Benfleet. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Who runs and owns MM (South East) Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** M*** | Director | Jun 2019 |
Person with significant control
Where MM (South East) Ltd is registered
The registered office is in Benfleet (SS7), in the Castle Point local authority area, East of England. Show SS7 5HA on a map.
Other trade companies in SS7
- Byways Property Maintenance LtdFinishing trades
- Flowtech Drainage and Groundwork Solutions LimitedCivil engineering
- NMP Property Investors LtdProperty developers
- Apex Engineering PSV Specialist LimitedMechanics and garages
- Maher Heights Scaffolding LtdScaffolders
- Prime & Plaster LtdPlasterers
- Estuary Electrical Solutions LtdElectricians
- DS Garden Maintenance LtdLandscapers and gardeners
Shared registered office
80 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 MM (South East) 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 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
- 12061151
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 June 2019 (7 years ago)
- Registered office
- Fortress House, 301 High Road, Benfleet, SS7 5HA
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 19 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 Benfleet
Other active building contractors registered in Benfleet.
- Morning Property Developments Limited2025
- Munty Render Ltd2026
- NS & Son's Construction Ltd2019
- Ongar Developments Ltd2014
- P R Harris (Developments) Limited2015
- PDK Contracts Limited2024
- Perfectly Simple IT Solutions Ltd2006
- PJSM Build Limited2023
All building contractors in Benfleet · All trades in Benfleet · Builders across the UK
Frequently asked questions
When are MM (South East) Ltd's accounts due?
MM (South East) Ltd's next accounts are due at Companies House by 31 March 2027 (in 168 days), covering the period to 30 June 2026.
When is MM (South East) Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is MM (South East) Ltd still trading?
MM (South East) 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 MM (South East) Ltd do?
MM (South East) Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is MM (South East) Ltd?
MM (South East) Ltd was incorporated on 20 June 2019, 7 years ago.
Who runs MM (South East) Ltd?
MM (South East) Ltd has 1 active director, the longest-serving appointed in Jun 2019. Their names and service addresses are on the Companies House register.
Who owns MM (South East) Ltd?
One person or company has significant control of MM (South East) Ltd: an individual (owns 75% or more of the shares).
What is the penalty if MM (South East) 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 MM (South East) 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.