- Companies
- Installers
- Workington
- B&K Mayson Contracting Services Ltd
B&K Mayson Contracting Services Ltd
- Company number
- 12367296
- Incorporated
- 17 Dec 20196 years trading
- Registered office
- Carleton House, 136 Gray Street, Workington, Cumbria, CA14 2LU
- Nature of business
- Other construction installation
B&K Mayson Contracting Services Ltd is a 6-year-old private limited company registered in Workington, company number 12367296, one of 9 installation companies (insulation, lifts, shutters and similar) in Workington. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 30 December 2026 is due at HMRC on 30 December 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 £6,204 (-37.9%) on the year before, to £10K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £155K against £181K owed within a year: 0.9 times cover.
- 24 employees on average, down from 26 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Dec 2025 | £10K | £32K | £155K | £181K | 24 |
| 30 Dec 2024 | £16K | £22K | £122K | £142K | 26 |
| 30 Dec 2023 | £95K | £87K | £137K | £67K | 10 |
| 30 Dec 2022 | £38K | £12K | £54K | £26K | 4 |
| 31 Dec 2021 | £805 | £728 | £28K | £35K | 4 |
| 31 Dec 2020 | £3,226 | £2,164 | £15K | £37K | 4 |
Who runs and owns B&K Mayson Contracting Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| B*** M*** | Director | Dec 2019 |
| E*** M*** | Director | Jan 2023 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| G*** M*** | Director | Sep 2023 | May 2024 |
| K*** M*** | Director | Dec 2019 | Jun 2020 |
People with significant control (2)
Where B&K Mayson Contracting Services Ltd is registered
The registered office is in Workington (CA14), in the Cumberland local authority area, North West. Show CA14 2LU on a map.
Other trade companies in CA14
- Premier Heating Solutions Cumbria LimitedPlumbers and heating engineers
- Northern Resin LtdFloor and wall tilers
- GRT Property Solutions LtdPlumbers and heating engineers
- Jre Partitions and Ceilings LimitedInstallers
- Fellside Homes & Renovations(Cumbria) LtdProperty developers
- Pristine Plumb & Bath LtdPlumbers and heating engineers
- The Cumbrian Painting Company LtdBuilders
- J.Proud Plastering LtdPlasterers
Also registered at this address
18 other companies use the same registered office as B&K Mayson Contracting Services Ltd.
- Allerdale Thermal Insulation LimitedSpecialist contractors
- C & E Builders LimitedProperty developers
- D. Richardson Electrical Services LimitedElectricians
- F G Estates LimitedProperty developers
- Foxcroft Electrical LtdElectricians
- John Robson Properties LimitedProperty developers
- Kells Development Group LimitedBuilders
- L & K Curwen LimitedGlaziers
- Lakeland Gas LimitedPlumbers and heating engineers
- Lakeland Homes Ltd.Finishing trades
- Morton Properties (Cumbria) LimitedProperty developers
- On Tap Heating & Plumbing Services Cumbria LimitedPlumbers and heating engineers
- PW & S Hodgson LtdPainters and decorators
- Sel Construction and Maintenance LimitedBuilders
- Skelton Houses LimitedBuilders
- Turner Roofing LimitedRoofers
- West Lakes Demolition LimitedGroundworks and demolition
- Westlakes Property Development LtdProperty developers
What happens if B&K Mayson Contracting Services 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Dec 2027 | £200 |
| 3 months late | 30 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Dec 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
- 12367296
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 December 2019 (6 years ago)
- Registered office
- Carleton House, 136 Gray Street, Workington, Cumbria, CA14 2LU
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 December 2025
- Last confirmation statement
- 16 December 2025
- Previous names
- BKM Civils and Drainage Services Limited (until 26 Feb 2020)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Workington
Other active installation companies (insulation, lifts, shutters and similar) registered in Workington.
- BHS Construction Services Limited2008
- C & T Quality Homes Limited2003
- Craig Steele Double Glazing Ltd2018
- GWR Insulation Services Ltd2026
- Jre Partitions and Ceilings Limited2026
- Shaun Quinn Limited2003
- West Coast Thermal Limited2002
- Asbestos Removal Cumbria Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Workington · All trades in Workington · Installers across the UK
Frequently asked questions
When are B&K Mayson Contracting Services Ltd's accounts due?
B&K Mayson Contracting Services Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 30 December 2026.
When is B&K Mayson Contracting Services Ltd's CT600 due?
The CT600 for the period to 30 December 2026 is due at HMRC by 30 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is B&K Mayson Contracting Services Ltd still trading?
B&K Mayson Contracting Services 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 B&K Mayson Contracting Services Ltd do?
B&K Mayson Contracting Services Ltd is registered under Other construction installation (SIC 43290).
How old is B&K Mayson Contracting Services Ltd?
B&K Mayson Contracting Services Ltd was incorporated on 17 December 2019, 6 years ago.
Who runs B&K Mayson Contracting Services Ltd?
B&K Mayson Contracting Services Ltd has 2 active directors, the longest-serving appointed in Dec 2019. Their names and service addresses are on the Companies House register.
Who owns B&K Mayson Contracting Services Ltd?
2 people or companies have significant control of B&K Mayson Contracting Services Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if B&K Mayson Contracting Services 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 B&K Mayson Contracting Services 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.