- Companies
- Civil engineering
- Renfrew
- Nanj Installation Works Ltd
Nanj Installation Works Ltd
- Company number
- SC534806
- Incorporated
- 9 May 201610 years trading
- Registered office
- 17 Osbert Wynd, Renfrew, PA4 8GD
- Nature of business
- Construction of railways and underground railways
Nanj Installation Works Ltd is a 10-year-old private limited company registered in Renfrew, company number SC534806, one of 13 civil engineering contractors in Renfrew. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £935 (-59.1%) on the year before, to £647.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £7,542 against £10K owed within a year: 0.8 times cover.
- 2 employees on average, up from -2 the year before.
- 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 May 2025 | £647 | £7,542 | £10K | 2 | |
| 31 May 2024 | £1,582 | £16K | £16K | -2 | |
| 31 May 2023 | £151 | £11K | £13K | -2 | |
| 31 May 2022 | £259 | £5,558 | £6,913 | -2 | |
| 31 May 2021 | £5,807 | £11K | £6,586 | 2 | |
| 31 May 2020 | £2,595 | £2,697 | £2,145 | 2 | |
| 31 May 2019 | £3,498 | £8,149 | £7,204 | ||
| 31 May 2018 | £296 | £28K | £30K | ||
| 31 May 2017 | £257 | £1,598 | £2,794 |
Where Nanj Installation Works Ltd is registered
The registered office is in Renfrew (PA4), in the Renfrewshire local authority area, Scotland. Show PA4 8GD on a map.
Other trade companies in PA4
- Jointer Andy LtdElectricians
- Henck Power Solutions LtdElectricians
- SMG Maintenance Group LtdBuilders
- Gla Property Maintenance LtdCleaning companies
- Scrubz Cleaning LtdCleaning companies
- Altrix Build LimitedProperty developers
- Harrymia Inspection LimitedInstallers
- True Stones Construction LimitedBuilders
What happens if Nanj Installation Works 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- SC534806
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 May 2016 (10 years ago)
- Registered office
- 17 Osbert Wynd, Renfrew, PA4 8GD
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 21 July 2026
- Previous names
- Niall Smith Ltd (until 8 Jun 2021)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Renfrew
Other active civil engineering contractors registered in Renfrew.
- Pinnacle Welding Services Ltd2026
- Russell Penny Ltd2026
- Scotia Building Services Ltd2014
- Stefar Rotating Equipment Ltd2026
- All Serv Networks Ltd2023
- Cavan Construction Limited2002
- Civilar UK Limited2016
- Hydroklear Services Limited1997
All civil engineering contractors in Renfrew · All trades in Renfrew · Civil engineering across the UK
Frequently asked questions
When are Nanj Installation Works Ltd's accounts due?
Nanj Installation Works Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Nanj Installation Works Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Nanj Installation Works Ltd still trading?
Nanj Installation Works 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 Nanj Installation Works Ltd do?
Nanj Installation Works Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Nanj Installation Works Ltd?
Nanj Installation Works Ltd was incorporated on 9 May 2016, 10 years ago.
What is the penalty if Nanj Installation Works 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 Nanj Installation Works 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.