- Company number
- 16868323
- Incorporated
- 21 Nov 2025
- Registered office
- Flat 2 Elm House, 16 North Street, Wareham, BH20 4AG
- Nature of business
- Construction of domestic buildings
Optimus Building Contractors Ltd is a newly incorporated private limited company registered in Wareham, company number 16868323, one of 16 building contractors in Wareham. Its next accounts are due at Companies House on 21 August 2027, and its first CT600 is due at HMRC on 20 November 2027.
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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Who runs and owns Optimus Building Contractors Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| R*** K*** | Director | Nov 2025 |
Person with significant control
Where Optimus Building Contractors Ltd is registered
The registered office is in Wareham (BH20), in the Dorset local authority area, South West. Show BH20 4AG on a map.
Other trade companies in BH20
- The Drivault Group LtdFinishing trades
- One Consultancy (Dorset) LtdCivil engineering
- Kraft Electrical LtdElectricians
- Ejc Plumbing and Heating LimitedPlumbers and heating engineers
- H F Auto 2 LimitedMechanics and garages
- Joshua Bushell Trading As Dust Buster Cleaning Services LtdCleaning companies
- Corbin Construction LtdBuilders
- CMD Property Investment LimitedProperty developers
What happens if Optimus Building Contractors 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 21 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Aug 2027 to 21 Sep 2027 | £150 |
| 1 to 3 months late | 22 Sep 2027 to 21 Nov 2027 | £375 |
| 3 to 6 months late | 22 Nov 2027 to 21 Feb 2028 | £750 |
| More than 6 months late | From 22 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16868323
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 November 2025
- Registered office
- Flat 2 Elm House, 16 North Street, Wareham, BH20 4AG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
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 Wareham
Other active building contractors registered in Wareham.
- P.O. Brady Limited2003
- PBP Property Group (Kennel Close) Ltd2022
- R A Harvey (Ridge) Limited1998
- Riva Interiors Ltd2017
- Worth Corporation Limited2014
- B Andrews Property Maintenance Ltd2022
- Castle Construction & Dampcure Ltd2023
- Charig Carpentry & Building Ltd2025
All building contractors in Wareham · All trades in Wareham · Builders across the UK
Frequently asked questions
When are Optimus Building Contractors Ltd's accounts due?
Optimus Building Contractors Ltd's next accounts are due at Companies House by 21 August 2027 (in 312 days), covering the period to 30 November 2026.
When is Optimus Building Contractors 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 20 November 2026, due by 20 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Optimus Building Contractors Ltd still trading?
Optimus Building Contractors 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 Optimus Building Contractors Ltd do?
Optimus Building Contractors Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Optimus Building Contractors Ltd?
Optimus Building Contractors Ltd was incorporated on 21 November 2025, less than a year ago.
Who runs Optimus Building Contractors Ltd?
Optimus Building Contractors Ltd has 1 active director, the longest-serving appointed in Nov 2025. Their names and service addresses are on the Companies House register.
Who owns Optimus Building Contractors Ltd?
One person or company has significant control of Optimus Building Contractors Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Optimus Building Contractors 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 Optimus Building Contractors 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.