Em1 Ltd
- Company number
- 10366963
- Incorporated
- 9 Sep 201610 years trading
- Registered office
- Mill Hill Farm, Deighton, Northallerton, North Yorkshire, DL6 2HL
- Nature of business
- Other specialised construction activities n.e.c.
Em1 Ltd is a 10-year-old private limited company registered in Northallerton, company number 10366963, one of 11 specialist construction companies in Northallerton. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 down £262K (-21.9%) on the year before, to £939K.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £941K against £106K owed within a year: 8.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £939K | £410K | £941K | £106K | 0 |
| 31 Dec 2024 | £1.2M | £990K | £1.5M | £294K | 0 |
| 31 Dec 2023 | £819K | £614K | £1M | £227K | 22 |
| 31 Dec 2022 | £613K | £473K | £764K | £172K | 22 |
| 31 Dec 2021 | £556K | £298K | £703K | £171K | 25 |
| 31 Dec 2020 | £512K | £312K | £633K | £161K | 22 |
| 31 Dec 2019 | £426K | £134K | £529K | £165K | 23 |
| 31 Dec 2018 | £224K | £57K | £286K | £102K | |
| 31 Dec 2017 | £51K | £174K | £80K |
Public contracts won
Em1 Ltd has one public sector contract award on record (2026). Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| ClwydAlyn Housing | Asbestos Removal Services | Ceiling, not shown | 7 Aug 2026 |
Where Em1 Ltd is registered
The registered office is in Northallerton (DL6), in the North Yorkshire local authority area, Yorkshire and The Humber. Show DL6 2HL on a map.
Other trade companies in DL6
- Matthew Baker Plumbing Heating & Bathrooms LtdPlumbers and heating engineers
- Dales Property Projects LtdProperty developers
- Lambourne Machinery Solutions LtdMachinery repair and installation
- Alan Badger LtdPlumbers and heating engineers
- MW Contracting Yorkshire LtdMechanics and garages
- North Bloom LtdLandscapers and gardeners
- Dobson Auto Repairs LtdMechanics and garages
- Brompton MOT Centre LtdMechanics and garages
What happens if Em1 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 10366963
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 September 2016 (10 years ago)
- Registered office
- Mill Hill Farm, Deighton, Northallerton, North Yorkshire, DL6 2HL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 8 September 2026
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 Northallerton
Other active specialist construction companies registered in Northallerton.
- G Snowball & Son Limited2003
- Horner Building & Joinery Limited2017
- K.T. Horticulture Limited1999
- Lee Slater Limited2025
- North Riding Developments Limited2016
- Whiterock Modular Limited2017
- A M Steel Buildings Ltd2023
- Abs Lifting Ltd2022
All specialist construction companies in Northallerton · All trades in Northallerton · Specialist contractors across the UK
Frequently asked questions
When are Em1 Ltd's accounts due?
Em1 Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Em1 Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Em1 Ltd still trading?
Em1 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 Em1 Ltd do?
Em1 Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Em1 Ltd?
Em1 Ltd was incorporated on 9 September 2016, 10 years ago.
Has Em1 Ltd won public sector contracts?
Yes. Em1 Ltd has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from ClwydAlyn Housing.
What is the penalty if Em1 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 Em1 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.