- Companies
- Civil engineering
- Boston
- Maddison Water Technology Limited
Maddison Water Technology Limited
- Company number
- 05968978
- Incorporated
- 17 Oct 200619 years trading
- Registered office
- 75 High Street, Boston, Lincolnshire, PE21 8SX
- Nature of business
- Construction of water projects
Maddison Water Technology Limited is a 19-year-old private limited company registered in Boston, company number 05968978, one of 17 civil engineering contractors in Boston. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £44K (-10%) on the year before, to £397K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £550K against £178K owed within a year: 3.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £397K | £428K | £550K | £178K | 0 |
| 30 Nov 2024 | £441K | £440K | £705K | £304K | 4 |
| 30 Nov 2023 | £482K | £403K | £542K | £83K | 4 |
| 30 Nov 2022 | £478K | £508K | £686K | £233K | 3 |
| 30 Nov 2021 | £314K | £383K | £804K | £524K | 3 |
| 30 Nov 2020 | £263K | £197K | £348K | £125K | 3 |
| 30 Nov 2019 | £274K | £200K | £359K | £109K | 3 |
| 30 Nov 2018 | £291K | £194K | £365K | £102K | 3 |
| 30 Nov 2017 | £293K | £258K | £367K | £87K | 3 |
| 30 Nov 2016 | £290K | £334K | £425K | £144K |
Where Maddison Water Technology Limited is registered
The registered office is in Boston (PE21), in the Boston local authority area, East Midlands. Show PE21 8SX on a map.
Other trade companies in PE21
- Ciu Roofing LimitedRoofers
- Composite Aircraft Engineering LtdMachinery repair and installation
- Marshlands LtdPlumbers and heating engineers
- Bull Property Solutions LtdSpecialist contractors
- Victoria and Victor LtdBuilders
- One Call Services (Boston) LtdJoiners and carpenters
- Project Levo LtdProperty developers
- VJ Select LimitedMotor traders
Also registered at this address
18 other companies use the same registered office as Maddison Water Technology Limited.
- Atc Installations LimitedSpecialist contractors
- Boston Windscreens LimitedMechanics and garages
- CV Electrical LimitedElectricians
- David Cox LimitedProperty developers
- J Parker Electrical LtdElectricians
- JC Consultancy LimitedCivil engineering
- Kents of Spalding LimitedMechanics and garages
- KK Deliveries LimitedMotor traders
- L & A Joinery LtdJoiners and carpenters
- Mountains Building Contractors LimitedBuilders
- MPC Thermal LimitedInstallers
- Oj Oil Services LtdPlumbers and heating engineers
- Peace of Mind Plumbing and Heating LtdPlumbers and heating engineers
- Regenerated LtdScaffolders
- RT Electrical Solutions LtdElectricians
- SGS Boilers LimitedPlumbers and heating engineers
- Woodthorpe Rentals LtdBuilders
- Yarborough Developments LimitedProperty developers
What happens if Maddison Water Technology 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 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
- 05968978
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 October 2006 (19 years ago)
- Registered office
- 75 High Street, Boston, Lincolnshire, PE21 8SX
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 17 October 2025
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 Boston
Other active civil engineering contractors registered in Boston.
- Sam Pesterfield Builders Limited2002
- SJ Property Solutions Group Ltd2025
- Vere Bros (Contractors) Limited2008
- Witham Valley Civil Engineering Limited2005
- Amp Global Engineering Limited2025
- Aurora Adventure Associates Limited2013
- BK Consulting Engineers Limited2026
- Boston Driveways Ltd2025
All civil engineering contractors in Boston · All trades in Boston · Civil engineering across the UK
Frequently asked questions
When are Maddison Water Technology Limited's accounts due?
Maddison Water Technology Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Maddison Water Technology Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Maddison Water Technology Limited still trading?
Maddison Water Technology 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 Maddison Water Technology Limited do?
Maddison Water Technology Limited is registered under Construction of water projects (SIC 42910).
How old is Maddison Water Technology Limited?
Maddison Water Technology Limited was incorporated on 17 October 2006, 19 years ago.
What is the penalty if Maddison Water Technology 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 Maddison Water Technology 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.