- Companies
- Machinery repair and installation
- Thatcham
- Dean White Marine Consultancy Limited
Dean White Marine Consultancy Limited
- Company number
- 04827171
- Incorporated
- 9 Jul 200323 years trading
- Registered office
- 20-22 Venture West Greenham Business Park, Greenham, Thatcham, RG19 6HX
- Nature of business
- Repair and maintenance of ships and boats
Dean White Marine Consultancy Limited is a 23-year-old private limited company registered in Thatcham, company number 04827171, one of 13 machinery repair and installation companies in Thatcham. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
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 £27K (-12.8%) on the year before, to £181K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £179K against £3,610 owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £181K | £177K | £179K | £3,610 | 2 |
| 31 May 2025 | £207K | £176K | £236K | £36K | 2 |
| 30 Nov 2023 | £138K | £169K | £38K | 2 | |
| 30 Nov 2022 | £120K | £147K | £35K | 2 | |
| 30 Nov 2021 | £100K | £121K | £25K | 2 | |
| 30 Nov 2020 | £80K | £112K | £36K | 2 | |
| 30 Nov 2019 | £58K | £83K | £29K | 2 | |
| 30 Nov 2018 | £56K | £91K | £40K | ||
| 30 Nov 2017 | £44K | £74K | £35K | ||
| 30 Nov 2016 | £50K | £72K | £28K |
Where Dean White Marine Consultancy Limited is registered
The registered office is in Thatcham (RG19), in the West Berkshire local authority area, South East. Show RG19 6HX on a map.
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- Civic Contracting Group LimitedElectricians
- Kingston Home & Property Care LtdInstallers
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Also registered at this address
14 other companies use the same registered office as Dean White Marine Consultancy Limited.
- A B Collins Brickwork LimitedBuilders
- Able Contracts Refurbishment LtdProperty developers
- Auto Bodyworx Minor Body Repairs LtdMechanics and garages
- Coolpower Electrical LimitedElectricians
- Crest Home Improvements (Reading) LtdFinishing trades
- D G Tiling LtdFloor and wall tilers
- Detail My Car LimitedMechanics and garages
- Evolution Tree Surgery and Ground Care LtdLandscapers and gardeners
- James Claydon Services LimitedJoiners and carpenters
- KWL Commercial Cleaning LimitedCleaning companies
- Mo`S Sons LimitedPlumbers and heating engineers
- R. Willoughby & Sons LtdGlaziers
- Sherwood Bros. and Burton (Maidenhead) LimitedCivil engineering
- Start 2 Finish Project Planning LtdSpecialist contractors
What happens if Dean White Marine Consultancy Limited 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 04827171
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 July 2003 (23 years ago)
- Registered office
- 20-22 Venture West Greenham Business Park, Greenham, Thatcham, RG19 6HX
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 6 August 2026
- Previous names
- Aquatec Marine Limited (until 30 Apr 2025)
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Thatcham
Other active machinery repair and installation companies registered in Thatcham.
- Drive Line Marine Limited1994
- First Point of Cool Ltd2023
- G B Hydraulics (Newbury) Ltd2019
- Haines Temperature Solutions Ltd2021
- Ian Curry Technical Services Limited2007
- Quicklight Limited2000
- Rock Building Services Group Ltd2000
- Techpro Solutions Limited2004
All machinery repair and installation companies in Thatcham · All trades in Thatcham · Machinery repair and installation across the UK
Frequently asked questions
When are Dean White Marine Consultancy Limited's accounts due?
Dean White Marine Consultancy Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Dean White Marine Consultancy Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Dean White Marine Consultancy Limited still trading?
Dean White Marine Consultancy Limited 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 Dean White Marine Consultancy Limited do?
Dean White Marine Consultancy Limited is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is Dean White Marine Consultancy Limited?
Dean White Marine Consultancy Limited was incorporated on 9 July 2003, 23 years ago.
What is the penalty if Dean White Marine Consultancy Limited 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 Dean White Marine Consultancy Limited 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.