- Companies
- Electricians
- Bournemouth
- Sinewave Electrical Contractors Ltd
Sinewave Electrical Contractors Ltd
- Company number
- 14603962
- Incorporated
- 19 Jan 20233 years trading
- Registered office
- 898 - 902 Wimborne Road, Moordown, Bournemouth, Dorset, BH9 2DW
- Nature of business
- Electrical installation
Sinewave Electrical Contractors Ltd is a 3-year-old private limited company registered in Bournemouth, company number 14603962, one of 157 electrical contractors in Bournemouth. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £77K (+313.6%) on the year before, to £101K.
- Current assets of £182K against £113K owed within a year: 1.6 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £101K | £182K | £113K | 3 | |
| 31 Jan 2024 | £25K | £79K | £60K | 2 |
Who runs and owns Sinewave Electrical Contractors Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| C*** B*** | Director | Jan 2023 |
| S*** N*** | Director | Jan 2023 |
Person with significant control
Charges (secured borrowing)
1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Barclays Security Trustee Limited | Outstanding | May 2026 |
Public contracts won
Sinewave Electrical Contractors Ltd has 6 public sector contract awards on record; the ones with their own published value total £509K, from 2023 to 2026. Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Dorset HealthCare University NHS Foundation Trust4 awards
- Dorset Health Care University NHS Foundation Trust2 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Dorset HealthCare University NHS Foundation Trust | St Leonards Electrical Panel Board Replacement Works | £159K | 20 Jul 2026 |
| Dorset HealthCare University NHS Foundation Trust | Bridport Hospital Replacement Electrical Panel Board | £132K | 11 Mar 2026 |
| Dorset HealthCare University NHS Foundation Trust | Thorlux Lighting Works for St Leonards L&D Refurbishment | £59K | 5 Mar 2026 |
| Dorset HealthCare University NHS Foundation Trust | Nhse/Gbe Electrical Vehicle Charge Points | £74K | 12 Feb 2026 |
| Dorset Health Care University NHS Foundation Trust | GB-Bournemouth: Kings Park Hospital Electrical Panel Board Replacement | £66K | 10 Jul 2023 |
| Dorset Health Care University NHS Foundation Trust | GB-Poole: St. Ann's Replacement PIR Controls | £20K | 22 Jun 2023 |
Where Sinewave Electrical Contractors Ltd is registered
The registered office is in Bournemouth (BH9), in the Bournemouth, Christchurch and Poole local authority area, South West. Show BH9 2DW on a map.
Other trade companies in BH9
- 2 Next Level LtdCleaning companies
- Omnicleanco LtdCleaning companies
- Black Spark Electrical LtdElectricians
- Stephen Brown Building LtdProperty developers
- Staycool Southside LtdMachinery repair and installation
- Brighternest Cleaning Service LtdCleaning companies
- Prosperity Automotive LtdMotor traders
- Spraybooth Services LimitedMachinery repair and installation
Also registered at this address
22 other companies use the same registered office as Sinewave Electrical Contractors Ltd.
- 365 Heating and Plumbing LtdPlumbers and heating engineers
- 365 Kitchens and Bathrooms LtdInstallers
- Abbots Services LimitedPlumbers and heating engineers
- CJT Surveying & Engineering LimitedCivil engineering
- Craft Electrical Contractors LimitedElectricians
- Decorative Treatments LimitedPainters and decorators
- DS Services Bournemouth LimitedCleaning companies
- Ferndown Developments LimitedBuilders
- Kingsbury Projects LimitedBuilders
- Martin Bebbington LimitedPlumbers and heating engineers
- MBL Construction Services LimitedSpecialist contractors
- Onshore Estates LimitedFinishing trades
- Onshore Homes LtdBuilders
- Platinum Gas and Heating LimitedPlumbers and heating engineers
- Polarity Electrical LimitedElectricians
- Prime Space Properties LimitedBuilders
- R P Generators LtdMachinery repair and installation
- Ross Electrical Contractors LtdElectricians
- Silver Lady Services LimitedMotor traders
- Sol Domestic Cleaning Services LimitedCleaning companies
- The Neighbourhood Wash Bournemouth LimitedCleaning companies
- Wessex Geotechnics LtdGroundworks and demolition
What happens if Sinewave Electrical Contractors 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 14603962
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 January 2023 (3 years ago)
- Registered office
- 898 - 902 Wimborne Road, Moordown, Bournemouth, Dorset, BH9 2DW
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 18 January 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Bournemouth
Other active electrical contractors registered in Bournemouth.
- Slav V Service Ltd2022
- SLC Electrical Ltd2022
- SMB Electrical Ltd2026
- Solar Tech Solutions Ltd2023
- South Coast Electrics Ltd2013
- South Coast Ev & Contracting Ltd2021
- Southern Electrical Services (UK) Ltd2005
- Southern Mechanical and Electrical Limited2015
All electrical contractors in Bournemouth · All trades in Bournemouth · Electricians across the UK
Frequently asked questions
When are Sinewave Electrical Contractors Ltd's accounts due?
Sinewave Electrical Contractors Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Sinewave Electrical Contractors Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Sinewave Electrical Contractors Ltd still trading?
Sinewave Electrical Contractors 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 Sinewave Electrical Contractors Ltd do?
Sinewave Electrical Contractors Ltd is registered under Electrical installation (SIC 43210).
How old is Sinewave Electrical Contractors Ltd?
Sinewave Electrical Contractors Ltd was incorporated on 19 January 2023, 3 years ago.
Who runs Sinewave Electrical Contractors Ltd?
Sinewave Electrical Contractors Ltd has 2 active directors, the longest-serving appointed in Jan 2023. Their names and service addresses are on the Companies House register.
Who owns Sinewave Electrical Contractors Ltd?
One person or company has significant control of Sinewave Electrical Contractors Ltd: Sinewave Holdings Limited (owns 75% or more of the shares).
Has Sinewave Electrical Contractors Ltd won public sector contracts?
Yes. Sinewave Electrical Contractors Ltd has 6 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £509K), most recently from Dorset HealthCare University NHS Foundation Trust.
What is the penalty if Sinewave Electrical Contractors 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 Sinewave Electrical Contractors 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.