- Companies
- Installers
- Sunderland
- Retroflow Group Ltd
Retroflow Group Ltd
- Company number
- 16884344
- Incorporated
- 1 Dec 2025
- Registered office
- Unit 23 Wearfield, Sunderland Enterprise Park, Sunderland, SR5 2TA
- Nature of business
- Other construction installation; Environmental consulting activities
Retroflow Group Ltd is a newly incorporated private limited company registered in Sunderland, company number 16884344, one of 46 installation companies (insulation, lifts, shutters and similar) in Sunderland. Its next accounts are due at Companies House on 1 September 2027, and its first CT600 is due at HMRC on 30 November 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Retroflow Group Ltd is registered
The registered office is in Sunderland (SR5), in the Sunderland local authority area, North East. Show SR5 2TA on a map.
Other trade companies in SR5
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- DM Property Services (Ne) LimitedSpecialist contractors
- Ems Car and Van Services LimitedMechanics and garages
- Ayo Merchants UK LimitedMotor traders
- Devlin Electrical Services LtdElectricians
- BG Building & Facilities LtdPlumbers and heating engineers
- Imo Car Wash Washington LtdCleaning companies
- Al Blades LtdMachinery repair and installation
What happens if Retroflow Group 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 1 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Sep 2027 to 1 Oct 2027 | £150 |
| 1 to 3 months late | 2 Oct 2027 to 1 Dec 2027 | £375 |
| 3 to 6 months late | 2 Dec 2027 to 1 Mar 2028 | £750 |
| More than 6 months late | From 2 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16884344
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 December 2025
- Registered office
- Unit 23 Wearfield, Sunderland Enterprise Park, Sunderland, SR5 2TA
- Nature of business
- Other construction installation (SIC 43290)
Environmental consulting activities (SIC 74901) - Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
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 Sunderland
Other active installation companies (insulation, lifts, shutters and similar) registered in Sunderland.
- Revinson Fire Limited2018
- Rigging Rat Limited2017
- Scott Haley Building Services Ltd2018
- SJC Property Investments Ne Ltd2023
- Smith Construction Ne Ltd2025
- SR6 Inc Ltd2022
- Tailored Metals Limited2023
- Tri-B Projects Limited2018
All installation companies (insulation, lifts, shutters and similar) in Sunderland · All trades in Sunderland · Installers across the UK
Frequently asked questions
When are Retroflow Group Ltd's accounts due?
Retroflow Group Ltd's next accounts are due at Companies House by 1 September 2027 (in 324 days), covering the period to 31 December 2026.
When is Retroflow Group Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2026, due by 30 November 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Retroflow Group Ltd still trading?
Retroflow Group 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 Retroflow Group Ltd do?
Retroflow Group Ltd is registered under Other construction installation (SIC 43290); Environmental consulting activities (SIC 74901).
How old is Retroflow Group Ltd?
Retroflow Group Ltd was incorporated on 1 December 2025, less than a year ago.
What is the penalty if Retroflow Group 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 Retroflow Group 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.