- Companies
- Specialist contractors
- Guildford
- Nonmech Ltd
Nonmech Ltd
- Company number
- 10052258
- Incorporated
- 9 Mar 201610 years trading
- Registered office
- Normandy Business Park, Cobbett Hill Road, Guildford, Surrey, GU3 2AA
- Nature of business
- Other specialised construction activities n.e.c.
Nonmech Ltd is a 10-year-old private limited company registered in Guildford, company number 10052258, one of 54 specialist construction companies in Guildford. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £14K (-2%) on the year before, to £691K.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £1M against £361K owed within a year: 2.8 times cover.
- 3 employees on average during the year.
- 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 Mar 2025 | £691K | £445K | £1M | £361K | 3 |
| 31 Mar 2024 | £705K | £537K | £1M | £363K | 3 |
| 31 Mar 2023 | £661K | £578K | £1.3M | £586K | 3 |
| 31 Mar 2022 | £486K | £459K | £1.1M | £583K | 3 |
| 31 Mar 2021 | £283K | £349K | £906K | £587K | 3 |
| 31 Mar 2020 | £125K | £73K | £529K | £409K | 3 |
| 31 Mar 2019 | £102K | £200K | £572K | £478K | 3 |
| 31 Mar 2018 | £57K | £62K | £380K | £330K | 2 |
| 31 Mar 2017 | £6,267 | £33K | £241K | £241K | 2 |
Where Nonmech Ltd is registered
The registered office is in Guildford (GU3), in the Guildford local authority area, South East. Show GU3 2AA on a map.
Other trade companies in GU3
- Surrey Air Solutions LtdPlumbers and heating engineers
- Ig Services LtdSpecialist contractors
- Prem-Tech Heating LtdPlumbers and heating engineers
- Wild Acre Tree Specialists LimitedLandscapers and gardeners
- Huber Property Group LimitedBuilders
- Sma Autos LtdMechanics and garages
- Surrey Green Group LtdFinishing trades
- Guild Building Contractors LtdBuilders
What happens if Nonmech 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10052258
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 March 2016 (10 years ago)
- Registered office
- Normandy Business Park, Cobbett Hill Road, Guildford, Surrey, GU3 2AA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 8 March 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 Guildford
Other active specialist construction companies registered in Guildford.
- Oki Investments Ltd2019
- Oli Construction Ltd2014
- Optimum Structures Limited2011
- PKT Project Management Ltd2025
- Pulse Mapping Ltd2011
- SB Solar Ltd2018
- Silverleaf Spaces Ltd2020
- Surrey Av Solutions Ltd2018
All specialist construction companies in Guildford · All trades in Guildford · Specialist contractors across the UK
Frequently asked questions
When are Nonmech Ltd's accounts due?
Nonmech Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Nonmech Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Nonmech Ltd still trading?
Nonmech 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 Nonmech Ltd do?
Nonmech Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Nonmech Ltd?
Nonmech Ltd was incorporated on 9 March 2016, 10 years ago.
What is the penalty if Nonmech 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 Nonmech 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.