- Companies
- Specialist contractors
- Dorchester
- Sonner Plant & Agricultural Contractors Limited
Sonner Plant & Agricultural Contractors Limited
- Company number
- 01199657
- Incorporated
- 10 Feb 197551 years trading
- Registered office
- Gatemore Farm Gatemore Road, Winfrith Newburgh, Dorchester, Dorset, DT2 8LB
- Nature of business
- Other specialised construction activities n.e.c.
Sonner Plant & Agricultural Contractors Limited is a 51-year-old private limited company registered in Dorchester, company number 01199657, one of 40 specialist construction companies in Dorchester. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £32K (-25%) on the year before, to £95K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £103K against £11K owed within a year: 9.0 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £95K | £103K | £11K | 3 | |
| 31 Mar 2024 | £126K | £132K | £9,664 | 3 | |
| 31 Mar 2023 | £142K | £146K | £8,017 | 3 | |
| 31 Mar 2022 | £160K | £172K | £16K | 4 | |
| 31 Mar 2021 | £179K | £182K | £10K | 4 | |
| 31 Mar 2020 | £223K | £221K | £6,946 | 4 | |
| 31 Mar 2019 | £240K | £181K | £236K | £1,707 | 5 |
| 31 Mar 2018 | £232K | £177K | £229K | £4,159 | 5 |
| 31 Mar 2017 | £234K | £177K | £230K | £6,169 | |
| 31 Mar 2016 | £234K | £173K | £225K | £5,628 |
Who runs and owns Sonner Plant & Agricultural Contractors Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (4)
| Name | Role | Appointed |
|---|---|---|
| G*** S*** | Director | before Jul 1991 |
| A*** S*** | Director | Feb 2009 |
| A*** S*** | Director | Jul 2026 |
| G*** S*** | Secretary | before Jul 1991 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** S*** | Director | Feb 2009 | Jul 2026 |
| M*** S*** | Director | Dec 2008 |
Person with significant control
Where Sonner Plant & Agricultural Contractors Limited is registered
The registered office is in Dorchester (DT2), in the Dorset local authority area, South West. Show DT2 8LB on a map.
Other trade companies in DT2
- Cullifords Automotive LimitedMotor traders
- Stonehouse Building Contractors LtdBuilders
- SDL DÉCor LtdPainters and decorators
- Imperial Heritage Jewellers LtdRepair services
- Middletech Automotive LimitedMechanics and garages
- Handy Helen LtdPainters and decorators
- Goulds Construction & Design LimitedBuilders
- Iem Property Care LimitedCleaning companies
What happens if Sonner Plant & Agricultural Contractors 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 01199657
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 February 1975 (51 years ago)
- Registered office
- Gatemore Farm Gatemore Road, Winfrith Newburgh, Dorchester, Dorset, DT2 8LB
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 23 July 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Dorchester
Other active specialist construction companies registered in Dorchester.
- Southern Medical Gases Limited2013
- Stag Domestic & Commercial Fencing Ltd2024
- Terry White Landscaping Limited2010
- Tracey Structures Limited2003
- Wessex Audio Ltd2017
- Yeovil Fabrication Limited1988
- A M Kirk Ltd2012
- A1 Building Services (UK) Limited2002
All specialist construction companies in Dorchester · All trades in Dorchester · Specialist contractors across the UK
Frequently asked questions
When are Sonner Plant & Agricultural Contractors Limited's accounts due?
Sonner Plant & Agricultural Contractors Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Sonner Plant & Agricultural Contractors Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Sonner Plant & Agricultural Contractors Limited still trading?
Sonner Plant & Agricultural Contractors 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 Sonner Plant & Agricultural Contractors Limited do?
Sonner Plant & Agricultural Contractors Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Sonner Plant & Agricultural Contractors Limited?
Sonner Plant & Agricultural Contractors Limited was incorporated on 10 February 1975, 51 years ago.
Who runs Sonner Plant & Agricultural Contractors Limited?
Sonner Plant & Agricultural Contractors Limited has 3 active directors, the longest-serving appointed in Feb 2009. Their names and service addresses are on the Companies House register.
Who owns Sonner Plant & Agricultural Contractors Limited?
One person or company has significant control of Sonner Plant & Agricultural Contractors Limited: an individual (owns 50% to 75% of the shares).
What is the penalty if Sonner Plant & Agricultural Contractors 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 Sonner Plant & Agricultural Contractors 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.