- Companies
- Civil engineering
- Wareham
- One Consultancy (Dorset) Ltd
One Consultancy (Dorset) Ltd
- Company number
- 17372377
- Incorporated
- 31 Jul 2026
- Registered office
- 17 ST. Helens Road, Sandford, Wareham, BH20 7AX
- Nature of business
- Construction of utility projects for electricity and telecommunications
One Consultancy (Dorset) Ltd is a newly incorporated private limited company registered in Wareham, company number 17372377, one of 6 civil engineering contractors in Wareham. Its next accounts are due at Companies House on 30 April 2028, and its first CT600 is due at HMRC on 30 July 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.
Is this your company?
File the first 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 One Consultancy (Dorset) 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.
Where One Consultancy (Dorset) Ltd is registered
The registered office is in Wareham (BH20), in the Dorset local authority area, South West. Show BH20 7AX on a map.
Other trade companies in BH20
- The Drivault Group LtdFinishing trades
- 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
- T&Co. Plumbing LtdPlumbers and heating engineers
Also registered at this address
24 other companies use the same registered office as One Consultancy (Dorset) Ltd.
- Ags Plasterers LtdPlasterers
- B Andrews Property Maintenance LtdBuilders
- B W Construction & Groundworks LtdCivil engineering
- Castle Construction & Dampcure LtdBuilders
- Coastal Gas Services LimitedPlumbers and heating engineers
- Cse Formwork LtdSpecialist contractors
- Drivault LtdFinishing trades
- Gem Projects LtdElectricians
- Mark Kevin Miller Contractors LtdCivil engineering
- Meadowstone Property Services LtdCleaning companies
- MH Garden Services (Dorset) LtdLandscapers and gardeners
- NRL Tiling LtdFloor and wall tilers
- Old Brewery Management Company (Wareham) LimitedFacilities management
- Outreach Services (Dorset) LtdCleaning companies
- Poole Maids LtdCleaning companies
- Purbeck Sports Cars LimitedMechanics and garages
- Re-Design Solutions LimitedSpecialist contractors
- RJ Electrical (Dorset) LtdElectricians
- Southern Playground Services LtdLandscapers and gardeners
- Steve Bateman Superbike Wholesale LimitedMotor traders
- Sunnydale Gardening Services LimitedLandscapers and gardeners
- The Drivault Group LtdFinishing trades
- Ultimate Plastering & Drylining LimitedPlasterers
- Yachtenergy LtdElectricians
What happens if One Consultancy (Dorset) 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 30 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17372377
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 July 2026
- Registered office
- 17 ST. Helens Road, Sandford, Wareham, BH20 7AX
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Wareham
Other active civil engineering contractors registered in Wareham.
- PCS Pipeline Services Ltd2000
- Sxmcomms Ltd2023
- Tower Power Energy Solutions Ltd2023
- B W Construction & Groundworks Ltd2020
- Mark Kevin Miller Contractors Ltd2025
All civil engineering contractors in Wareham · All trades in Wareham · Civil engineering across the UK
Frequently asked questions
When are One Consultancy (Dorset) Ltd's accounts due?
One Consultancy (Dorset) Ltd's next accounts are due at Companies House by 30 April 2028 (in 565 days), covering the period to 31 July 2027.
When is One Consultancy (Dorset) 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 30 July 2027, due by 30 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is One Consultancy (Dorset) Ltd still trading?
One Consultancy (Dorset) 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 One Consultancy (Dorset) Ltd do?
One Consultancy (Dorset) Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is One Consultancy (Dorset) Ltd?
One Consultancy (Dorset) Ltd was incorporated on 31 July 2026, less than a year ago.
What is the penalty if One Consultancy (Dorset) 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 One Consultancy (Dorset) 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.