- Companies
- Specialist contractors
- Barnsley
- Callum Engineering Ltd
Callum Engineering Ltd
- Company number
- 05269174
- Incorporated
- 25 Oct 200421 years trading
- Registered office
- 147 Worsbrough Road, Birdwell, Barnsley, S70 5RG
- Nature of business
- Other specialised construction activities n.e.c.
Callum Engineering Ltd is a 21-year-old private limited company registered in Barnsley, company number 05269174, one of 101 specialist construction companies in Barnsley. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £12K (+50.5%) on the year before, to £36K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £24K against £48K owed within a year: 0.5 times cover.
- 4 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Oct 2025 | £36K | £11K | £24K | £48K | 4 |
| 31 Oct 2024 | £24K | £3,297 | £21K | £62K | 4 |
| 31 Oct 2023 | £11K | £5,556 | £29K | £62K | 4 |
| 31 Oct 2022 | £13K | £1,203 | £50K | £42K | 3 |
| 31 Oct 2021 | £494 | £16K | £41K | £36K | 2 |
| 31 Oct 2020 | £1,464 | £133 | £38K | £23K | 3 |
| 31 Oct 2019 | £41K | £133 | £38K | £31K | 3 |
| 31 Oct 2018 | £16K | £2,025 | £40K | £31K | |
| 31 Oct 2017 | £1,787 | £24 | £35K | £39K | |
| 31 Oct 2016 | -£406 | £23K |
Who runs and owns Callum Engineering Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| J*** A*** | Director | Oct 2004 |
| D*** A*** | Secretary | Oct 2004 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Form 10 Secretaries Fd Ltd | Corporate Nominee Secretary | Oct 2004 | Oct 2004 |
| Form 10 Directors Fd Ltd | Nominee director (company) | Oct 2004 | Oct 2004 |
People with significant control (2)
Where Callum Engineering Ltd is registered
The registered office is in Barnsley (S70), in the Barnsley local authority area, Yorkshire and The Humber. Show S70 5RG on a map.
Other trade companies in S70
- Perfect Automotive LtdMotor traders
- BLF Plumbing LimitedPlumbers and heating engineers
- R&J Gas Services LtdPlumbers and heating engineers
- Revora Performance LtdMechanics and garages
- Sykes & Sons Water Utilities LtdCivil engineering
- Cropcore LtdInstallers
- LW Handyman LtdCleaning companies
- Ehv Barnsley LtdMechanics and garages
What happens if Callum Engineering 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 05269174
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2004 (21 years ago)
- Registered office
- 147 Worsbrough Road, Birdwell, Barnsley, S70 5RG
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 15 October 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Barnsley
Other active specialist construction companies registered in Barnsley.
- Carney Construction Limited2002
- Chapman Damp & Timber Solutions Ltd2026
- Chris Wright Consultancy Ltd2026
- Concept Structural Design Ltd2009
- Constructional Timber (Manufacturers) Limited1979
- Conway's Groundworks Limited2017
- D B Earthworks Ltd2022
- D-Jeg Construction Services Limited2026
All specialist construction companies in Barnsley · All trades in Barnsley · Specialist contractors across the UK
Frequently asked questions
When are Callum Engineering Ltd's accounts due?
Callum Engineering Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Callum Engineering Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Callum Engineering Ltd still trading?
Callum Engineering 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 Callum Engineering Ltd do?
Callum Engineering Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Callum Engineering Ltd?
Callum Engineering Ltd was incorporated on 25 October 2004, 21 years ago.
Who runs Callum Engineering Ltd?
Callum Engineering Ltd has 1 active director, the longest-serving appointed in Oct 2004. Their names and service addresses are on the Companies House register.
Who owns Callum Engineering Ltd?
2 people or companies have significant control of Callum Engineering Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Callum Engineering 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 Callum Engineering 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.