- Companies
- Plumbers and heating engineers
- Huddersfield
- Firth Process & Mechanical Ltd
Firth Process & Mechanical Ltd
- Company number
- 09546312
- Incorporated
- 16 Apr 201511 years trading
- Registered office
- 10 Church Street, Paddock, Huddersfield, West Yorkshire, HD1 4TR
- Nature of business
- Plumbing, heat and air-conditioning installation
Firth Process & Mechanical Ltd is a 11-year-old private limited company registered in Huddersfield, company number 09546312, one of 118 plumbing and heating companies in Huddersfield. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £266K (+49.4%) on the year before, to £805K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £873K against £177K owed within a year: 4.9 times cover.
- 6 employees on average, up from 5 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £805K | £577K | £873K | £177K | 6 |
| 31 Mar 2025 | £539K | £466K | £705K | £212K | 5 |
| 31 Mar 2024 | £271K | £307K | £448K | £207K | 4 |
| 31 Mar 2023 | £123K | £245K | £146K | 3 | |
| 31 Mar 2022 | £46K | £135K | £110K | 2 | |
| 31 Mar 2021 | £17K | £54K | £32K | 1 | |
| 31 Mar 2020 | £16K | £23K | £23K | ||
| 31 Mar 2019 | £21K | £40K | £32K | ||
| 31 Mar 2018 | £8,784 | £20K | £32K | ||
| 31 Mar 2017 | £9,751 | £18K | £16K |
Where Firth Process & Mechanical Ltd is registered
The registered office is in Huddersfield (HD1), in the Kirklees local authority area, Yorkshire and The Humber. Show HD1 4TR on a map.
Other trade companies in HD1
- Facilities Solution LtdCleaning companies
- Masterclass Property Contractors LtdFinishing trades
- Vivly Bramhope LimitedBuilders
- Diashine LtdCleaning companies
- Timber Ridge Loft Boarding LtdFinishing trades
- Used Motor Co LtdMotor traders
- Bay One MOT Centre LtdMechanics and garages
- Dany Auto & Tyres LtdMechanics and garages
Also registered at this address
5 other companies use the same registered office as Firth Process & Mechanical Ltd.
- B Duffy Civil Engineering LtdCivil engineering
- Barras Motors LtdMechanics and garages
- Car Switch LimitedMotor traders
- HD One-Call LtdElectricians
- HD Renovations Yorkshire LtdElectricians
What happens if Firth Process & Mechanical 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 09546312
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 April 2015 (11 years ago)
- Registered office
- 10 Church Street, Paddock, Huddersfield, West Yorkshire, HD1 4TR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 16 April 2026
- Previous names
- Elite Pipework & Fabrications Ltd (until 29 Jul 2020)
Elite Pipework Services Ltd (until 25 Jun 2019)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Huddersfield
Other active plumbing and heating companies registered in Huddersfield.
- Garbutt Plumbing & Heating Ltd2016
- Gaspect Ltd2017
- GDS Plumbing & Tiling Ltd2015
- GL Heating Limited2023
- Gofrio Ltd2026
- Green Deal (North) Ltd2013
- Green Earth Plumbing & Heating Ltd2022
- Greens Mechanical Services Ltd2015
All plumbing and heating companies in Huddersfield · All trades in Huddersfield · Plumbers and heating engineers across the UK
Frequently asked questions
When are Firth Process & Mechanical Ltd's accounts due?
Firth Process & Mechanical Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Firth Process & Mechanical Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Firth Process & Mechanical Ltd still trading?
Firth Process & Mechanical 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 Firth Process & Mechanical Ltd do?
Firth Process & Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Firth Process & Mechanical Ltd?
Firth Process & Mechanical Ltd was incorporated on 16 April 2015, 11 years ago.
What is the penalty if Firth Process & Mechanical 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 Firth Process & Mechanical 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.