- Companies
- Civil engineering
- Washington
- Simpner Ltd
Simpner Ltd
- Company number
- 12750028
- Incorporated
- 17 Jul 20206 years trading
- Registered office
- C/O Debere Limited Swallow House, Parsons Road, Washington, Tyne And Wear, NE37 1EZ
- Nature of business
- Construction of utility projects for electricity and telecommunications; Other activities of employment placement agencies; Temporary employment agency activities; Other building and industrial cleaning activities
Simpner Ltd is a 6-year-old private limited company registered in Washington, company number 12750028, one of 14 civil engineering contractors in Washington. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 up £2 (+20%) on the year before, to £12.
- Current assets of £27K against £30K owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £12 | £12K | £27K | £30K | 0 |
| 31 Jul 2024 | £10 | £19K | £23K | £74K | 2 |
| 31 Jul 2023 | £646 | £33K | £54K | £75K | 2 |
Who runs and owns Simpner Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| P*** L*** | Director | Jul 2020 |
| S*** L*** | Director | Apr 2021 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| 1st Secretaries Limited | Secretary (company) | Oct 2020 | Jun 2021 |
Person with significant control
Where Simpner Ltd is registered
The registered office is in Washington (NE37), in the Sunderland local authority area, North East. Show NE37 1EZ on a map.
Other trade companies in NE37
- G Hall Electricians LtdCivil engineering
- GP Automotive LtdMechanics and garages
- Scaffolding Infrastructure Group LimitedScaffolders
- Washington Rotating Electrics LimitedMotor traders
- McKenzie Weld LtdSpecialist contractors
- Truespec Scaffolding LtdScaffolders
- Proper Mint Detailing LimitedMechanics and garages
- Ans MOT LimitedMechanics and garages
Also registered at this address
12 other companies use the same registered office as Simpner Ltd.
- Adl Construction Group LimitedProperty developers
- Ashburne Developments LimitedProperty developers
- Atlas Blinds and Shutters LimitedInstallers
- Bettakleen LimitedCleaning companies
- Brogan Scaffolding LimitedScaffolders
- Brogan Services LimitedGroundworks and demolition
- Earlsway Developments LimitedProperty developers
- Exel Property Developments LimitedProperty developers
- Hamlyn Associates LimitedProperty developers
- Pipeline and Subsea Innovations LtdSpecialist contractors
- Scaffolding Infrastructure Group LimitedScaffolders
- Umec LimitedProperty developers
What happens if Simpner 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12750028
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 July 2020 (6 years ago)
- Registered office
- C/O Debere Limited Swallow House, Parsons Road, Washington, Tyne And Wear, NE37 1EZ
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Other activities of employment placement agencies (SIC 78109)
Temporary employment agency activities (SIC 78200)
Other building and industrial cleaning activities (SIC 81229) - Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 21 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 Washington
Other active civil engineering contractors registered in Washington.
- Tyne Testing Limited2021
- Awl (PM) Services Limited2020
- DJS Construction Ne Limited2024
- Er Highway Services Limited2026
- Extensive Engineering Solutions Limited2021
- G & R Contractors Limited2003
- G Hall Electricians Ltd2026
- GR Groundwork’S Ltd2026
All civil engineering contractors in Washington · All trades in Washington · Civil engineering across the UK
Frequently asked questions
When are Simpner Ltd's accounts due?
Simpner Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Simpner Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Simpner Ltd still trading?
Simpner 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 Simpner Ltd do?
Simpner Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Other activities of employment placement agencies (SIC 78109); Temporary employment agency activities (SIC 78200); Other building and industrial cleaning activities (SIC 81229).
How old is Simpner Ltd?
Simpner Ltd was incorporated on 17 July 2020, 6 years ago.
Who runs Simpner Ltd?
Simpner Ltd has 2 active directors, the longest-serving appointed in Jul 2020. Their names and service addresses are on the Companies House register.
Who owns Simpner Ltd?
One person or company has significant control of Simpner Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Simpner 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 Simpner 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.