- Companies
- Machinery repair and installation
- Ipswich
- RT Infrastructure Solutions Limited
RT Infrastructure Solutions Limited
- Company number
- 06903399
- Incorporated
- 12 May 200917 years trading
- Registered office
- 91 Dales Road, Ipswich, Suffolk, IP1 4JR
- Nature of business
- Repair and maintenance of other transport equipment n.e.c.
RT Infrastructure Solutions Limited is a 17-year-old private limited company registered in Ipswich, company number 06903399, one of 116 machinery repair and installation companies in Ipswich. 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 £467K (-26.6%) on the year before, to £1.3M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £2.1M against £1.1M owed within a year: 1.9 times cover.
- 77 employees on average, up from 72 the year before.
- 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 | £1.3M | £624K | £2.1M | £1.1M | 77 |
| 31 Mar 2024 | £1.8M | £513K | £3.1M | £1.3M | 72 |
| 31 Mar 2023 | £1.7M | £143K | £3M | £991K | 67 |
| 31 Mar 2022 | £1.5M | £42K | £3.1M | £1.6M | 66 |
| 31 Mar 2021 | £608K | £246K | £1.8M | £898K | 52 |
| 31 Mar 2020 | £381K | £61K | £1.3M | £765K | 49 |
| 31 Aug 2019 | £547K | £113K | £1.2M | £767K | 42 |
| 31 Aug 2018 | £527K | £128K | £1.6M | £1.1M | 42 |
| 31 Aug 2017 | £182K | £79K | £837K | £679K | 42 |
| 31 Aug 2016 | -£68K | £56K | £714K | £819K |
Public contracts won
RT Infrastructure Solutions Limited 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 |
|---|---|---|---|
| Transport for London | Railway Signals Labour Framework 2 | Ceiling, not shown | 23 Jan 2026 |
Where RT Infrastructure Solutions Limited is registered
The registered office is in Ipswich (IP1), in the Ipswich local authority area, East of England. Show IP1 4JR on a map.
Other trade companies in IP1
- Youngs Cabling LtdInstallers
- Tendring Home Solutions LtdFinishing trades
- Ebiavi Painting and Decorating LtdPainters and decorators
- Pro Build Care LtdFinishing trades
- One Stop Construction LtdBuilders
- Ra & MJ Fellgett LtdMachinery repair and installation
- Ortan Ems (Engineering & Marine Services) LtdMachinery repair and installation
- Affordable Road Planings LimitedCivil engineering
What happens if RT Infrastructure Solutions Limited 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
- 06903399
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 May 2009 (17 years ago)
- Registered office
- 91 Dales Road, Ipswich, Suffolk, IP1 4JR
- Nature of business
- Repair and maintenance of other transport equipment n.e.c. (SIC 33170)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 12 May 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
- Previous names
- RT Group Holdings Ltd (until 22 Oct 2018)
RT Infrastructure Solutions Limited (until 19 Oct 2018)
Se Jamieson Limited (until 3 Sep 2012)
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Ipswich
Other active machinery repair and installation companies registered in Ipswich.
- S & T Installations Limited2016
- Safe Secure Locker Services Limited2008
- Sail and Cover Marine Services Ltd2023
- Seapower Marine Electronics Limited2008
- Seapower Marine Limited2000
- Shipp Shape Limited2009
- Simon P Oram Ltd2024
- Simply Climate Control Limited2014
All machinery repair and installation companies in Ipswich · All trades in Ipswich · Machinery repair and installation across the UK
Frequently asked questions
When are RT Infrastructure Solutions Limited's accounts due?
RT Infrastructure Solutions Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is RT Infrastructure Solutions Limited'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 RT Infrastructure Solutions Limited still trading?
RT Infrastructure Solutions Limited 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 RT Infrastructure Solutions Limited do?
RT Infrastructure Solutions Limited is registered under Repair and maintenance of other transport equipment n.e.c. (SIC 33170).
How old is RT Infrastructure Solutions Limited?
RT Infrastructure Solutions Limited was incorporated on 12 May 2009, 17 years ago.
Has RT Infrastructure Solutions Limited won public sector contracts?
Yes. RT Infrastructure Solutions Limited has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from Transport for London.
What is the penalty if RT Infrastructure Solutions Limited 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 RT Infrastructure Solutions Limited 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.