- Companies
- Installers
- Guildford
- R.T.C. Site Engineering Ltd
R.T.C. Site Engineering Ltd
- Company number
- 06043127
- Incorporated
- 5 Jan 200719 years trading
- Registered office
- 13 the Cedars, Guildford, Surrey, GU1 1YU
- Nature of business
- Other construction installation
R.T.C. Site Engineering Ltd is a 19-year-old private limited company registered in Guildford, company number 06043127, one of 24 installation companies (insulation, lifts, shutters and similar) 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 up £1,272 (+46.8%) on the year before, to £3,989.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £27K against £24K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Mar 2025 | £3,989 | £17K | £27K | £24K | 0 |
| 31 Mar 2024 | £2,717 | £10K | £19K | £17K | 1 |
| 31 Mar 2023 | £8,859 | £15K | £38K | £19K | 1 |
| 31 Mar 2022 | £1,214 | £12K | £31K | £17K | 1 |
| 31 Mar 2021 | £1,218 | £10K | £19K | £13K | 1 |
| 31 Mar 2020 | £5,797 | £14K | £21K | £19K | |
| 31 Mar 2019 | £12K | £15K | £25K | £21K | |
| 31 Mar 2018 | £10K | £8,079 | £23K | £17K | |
| 31 Mar 2017 | £13K | £12K | £26K | £16K | 1 |
| 31 Mar 2016 | £14K | £13K | £27K | £16K |
Who runs and owns R.T.C. Site Engineering Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| R*** C*** | Director | Jan 2007 |
| R*** C*** | Secretary | Jan 2007 |
People with significant control (2)
Where R.T.C. Site Engineering Ltd is registered
The registered office is in Guildford (GU1), in the Guildford local authority area, South East. Show GU1 1YU on a map.
Other trade companies in GU1
- TWR Workshop LtdRepair services
- RTT Homes LimitedBuilders
- Centre Point Electrical LtdElectricians
- Maple Hill Property LtdProperty developers
- Harson Concord LtdProperty developers
- Corepoint Data Centres LtdProperty developers
- NHQ Developments LtdSpecialist contractors
- MKM Facilities LtdFinishing trades
What happens if R.T.C. Site Engineering 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
- 06043127
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 January 2007 (19 years ago)
- Registered office
- 13 the Cedars, Guildford, Surrey, GU1 1YU
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 January 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Guildford
Other active installation companies (insulation, lifts, shutters and similar) registered in Guildford.
- Rising Group Ltd2024
- S&S Maddison Limited2005
- Sadie Pizzey Interiors Limited2022
- T&L Property Contractors Ltd2026
- TLT Construction Limited2023
- 3 Sixty Roofing and Property Maintenance Ltd2023
- Alukov UK Ltd.2005
- Aluvita Limited2023
All installation companies (insulation, lifts, shutters and similar) in Guildford · All trades in Guildford · Installers across the UK
Frequently asked questions
When are R.T.C. Site Engineering Ltd's accounts due?
R.T.C. Site Engineering Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is R.T.C. Site Engineering 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 R.T.C. Site Engineering Ltd still trading?
R.T.C. Site Engineering 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 R.T.C. Site Engineering Ltd do?
R.T.C. Site Engineering Ltd is registered under Other construction installation (SIC 43290).
How old is R.T.C. Site Engineering Ltd?
R.T.C. Site Engineering Ltd was incorporated on 5 January 2007, 19 years ago.
Who runs R.T.C. Site Engineering Ltd?
R.T.C. Site Engineering Ltd has 1 active director, the longest-serving appointed in Jan 2007. Their names and service addresses are on the Companies House register.
Who owns R.T.C. Site Engineering Ltd?
2 people or companies have significant control of R.T.C. Site Engineering Ltd: an individual (owns 50% to 75% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if R.T.C. Site Engineering 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 R.T.C. Site Engineering 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.