- Companies
- Machinery repair and installation
- Bishop Auckland
- A & H Site Line Boring & Machining Ltd
A & H Site Line Boring & Machining Ltd
- Company number
- 09743311
- Incorporated
- 21 Aug 201511 years trading
- Registered office
- Boundary Cottage Farm Inkerman, Tow Law, Bishop Auckland, Co Durham, DL13 4QB
- Nature of business
- Repair of machinery
A & H Site Line Boring & Machining Ltd is a 11-year-old private limited company registered in Bishop Auckland, company number 09743311, one of 14 machinery repair and installation companies in Bishop Auckland. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £2,173 (+169.4%) on the year before, to £890.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £265 against £400 owed within a year: 0.7 times cover.
- 1 employee on average, down from 2 the year before.
- 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 Aug 2025 | £890 | £265 | £400 | 1 | |
| 31 Aug 2024 | -£1,283 | -£2,184 | £380 | 2 | |
| 31 Aug 2023 | -£4,245 | -£5,496 | £350 | 2 | |
| 31 Aug 2022 | -£6,255 | -£6,861 | £1,395 | 2 | |
| 31 Aug 2021 | -£5,018 | -£6,072 | £1,447 | 2 | |
| 31 Aug 2020 | £1,440 | -£102 | £1,584 | 2 | |
| 31 Aug 2019 | £3,052 | £739 | £1,595 | 2 | |
| 31 Aug 2018 | £3,377 | £651 | £4,028 | ||
| 31 Aug 2017 | £10 | £10 | |||
| 31 Aug 2016 | £10 | £10 |
Where A & H Site Line Boring & Machining Ltd is registered
The registered office is in Bishop Auckland (DL13), in the County Durham local authority area, North East. Show DL13 4QB on a map.
Other trade companies in DL13
- Clement Transport and Plant LtdGroundworks and demolition
- McFadyen Skyla LtdCleaning companies
- McFadyendurham LtdCleaning companies
- Foxx Electrical Contractors LtdElectricians
- Steven Dunn Joiner and Builder LtdProperty developers
- Beh Energy LtdMachinery repair and installation
- Northern Machinery (Sales & Hire) LtdMotor traders
- North Star Scaffolding LtdScaffolders
What happens if A & H Site Line Boring & Machining 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 09743311
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 August 2015 (11 years ago)
- Registered office
- Boundary Cottage Farm Inkerman, Tow Law, Bishop Auckland, Co Durham, DL13 4QB
- Nature of business
- Repair of machinery (SIC 33120)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 20 August 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Bishop Auckland
Other active machinery repair and installation companies registered in Bishop Auckland.
- Adty Limited2025
- Ashburn Engineering Ltd2019
- Atv North Limited2003
- Beh Energy Ltd2026
- Crosby Weighing Limited2011
- First React Engineering Ltd2021
- KB Fabrication & Welding Services Ltd2021
- Level Best Tank Services Limited2025
All machinery repair and installation companies in Bishop Auckland · All trades in Bishop Auckland · Machinery repair and installation across the UK
Frequently asked questions
When are A & H Site Line Boring & Machining Ltd's accounts due?
A & H Site Line Boring & Machining Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is A & H Site Line Boring & Machining Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is A & H Site Line Boring & Machining Ltd still trading?
A & H Site Line Boring & Machining Ltd is listed as active on the Companies House register (checked 12 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 A & H Site Line Boring & Machining Ltd do?
A & H Site Line Boring & Machining Ltd is registered under Repair of machinery (SIC 33120).
How old is A & H Site Line Boring & Machining Ltd?
A & H Site Line Boring & Machining Ltd was incorporated on 21 August 2015, 11 years ago.
What is the penalty if A & H Site Line Boring & Machining 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 A & H Site Line Boring & Machining Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.