- Companies
- Plumbers and heating engineers
- Dundee
- Ultramech Ltd
Company profile · Plumbers and heating engineers
Ultramech Ltd
Ultramech Ltd is a 4-year-old private limited company registered in Dundee, company number SC720232, one of 98 plumbing and heating companies in Dundee. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Ultramech LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 31 January 2025, as filed at Companies House.
Ultramech Ltd over the years
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 £15K (-6.4%) on the year before, to £213K.
- Current assets of £230K against £80K owed within a year: 2.9 times cover.
- 4 employees on average, down from 5 the year before.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £213K | £229K | £230K | £80K | 4 |
| 31 Jan 2024 | £228K | £329K | £329K | £144K | 5 |
| 31 Jan 2023 | £64K | £186K | £186K | £138K | 4 |
Where Ultramech Ltd is registered
The registered office is in Dundee (DD2), in the Dundee City local authority area, Scotland. Show DD2 2LB on a map.
Other trade companies in DD2
- FB Wind Solutions LtdMachinery repair and installation
- Paragon Design & Build LtdBuilders
- Bellfield Dundee LimitedProperty developers
- Coupar Angus Trading LtdMotor traders
- The Tyre Soldier Mobile Tyre Fitting LimitedMotor traders
- Home Hops LtdCleaning companies
- Mark Pattullo Technical Services LtdBuilders
- Evagreen Cleaning LtdCleaning companies
Also registered at this address
2 other companies use the same registered office as Ultramech Ltd.
- Everlast Windows and Doors LtdGlaziers
- Everwarm Doors and Windows LtdInstallers
What happens if Ultramech 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
- SC720232
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 January 2022 (4 years ago)
- Registered office
- 144A Lochee RD, Dundee, DD2 2LB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 17 January 2026
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 Dundee
Other active plumbing and heating companies registered in Dundee.
- W.H.Donachie Plumbing & Heating Limited2018
- Waterflow Bathrooms Ltd2006
- Whitehall Tayview Limited2017
- William Ree & Partners Limited2003
- XVN Limited2026
- A C Sharp Heating Ltd2023
- Aap Plumbing Ltd2011
- Abertay Plumbing, Heating & Gas Co. Ltd.1998
All plumbing and heating companies in Dundee · All trades in Dundee · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ultramech Ltd's accounts due?
Ultramech Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Ultramech 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 Ultramech Ltd still trading?
Ultramech 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 Ultramech Ltd do?
Ultramech Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ultramech Ltd?
Ultramech Ltd was incorporated on 18 January 2022, 4 years ago.
What is the penalty if Ultramech 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 Ultramech 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.