- Companies
- Groundworks and demolition
- Colchester
- Rightmix Ltd
Rightmix Ltd
- Company number
- 04864397
- Incorporated
- 12 Aug 200323 years trading
- Registered office
- 47 Butt Road, Colchester, CO3 3BZ
- Nature of business
- Site preparation
Rightmix Ltd is a 23-year-old private limited company registered in Colchester, company number 04864397, one of 21 groundworks and demolition companies in Colchester. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 £33K (+20.4%) on the year before, to £197K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £422K against £122K owed within a year: 3.4 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 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £197K | £478 | £422K | £122K | 0 |
| 31 Jan 2025 | £164K | £1 | £357K | £319K | 0 |
| 31 Jan 2024 | £147K | £100 | £299K | £242K | 1 |
| 31 Jan 2023 | £123K | £0 | £590K | £502K | 1 |
| 31 Aug 2021 | £35K | £9,578 | £153K | £163K | 1 |
| 31 Aug 2020 | -£4,643 | £21K | £109K | £154K | 1 |
| 31 Aug 2019 | -£19K | £133K | |||
| 31 Aug 2018 | -£32K | £59K | £109K | ||
| 31 Aug 2017 | -£17K | £16K | £66K | £25K | |
| 31 Aug 2016 | £65K | £34K | £70K | £67K |
Where Rightmix Ltd is registered
The registered office is in Colchester (CO3), in the Colchester local authority area, East of England. Show CO3 3BZ on a map.
Other trade companies in CO3
- Quick Air LtdMechanics and garages
- Swahn Contractors LtdRoofers
- Patrick Construction LtdBuilders
- SJP Projects & Design LtdSpecialist contractors
- Besi Hand Car Wash LtdCleaning companies
- Besi Tyres LtdMechanics and garages
- Star B Capital LimitedBuilders
- McGregor Builders LtdBuilders
Shared registered office
130 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Rightmix 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 04864397
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 August 2003 (23 years ago)
- Registered office
- 47 Butt Road, Colchester, CO3 3BZ
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 12 August 2026
- Previous names
- Reedbec Limited (until 11 Oct 2006)
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Colchester
Other active groundworks and demolition companies registered in Colchester.
- Steve Bird Groundworks Limited2000
- Swecos Diamond Drilling Limited2023
- Terra Analytical UK Ltd2022
- V&J Renovations Limited2020
- Advanced Aerials (Av) Ltd2003
- Bayoak Demo Limited2001
- Core Construction Solutions Ltd2011
- Dig IT Up Groundworks SW Ltd2025
All groundworks and demolition companies in Colchester · All trades in Colchester · Groundworks and demolition across the UK
Frequently asked questions
When are Rightmix Ltd's accounts due?
Rightmix Ltd's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Rightmix Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Rightmix Ltd still trading?
Rightmix 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 Rightmix Ltd do?
Rightmix Ltd is registered under Site preparation (SIC 43120).
How old is Rightmix Ltd?
Rightmix Ltd was incorporated on 12 August 2003, 23 years ago.
What is the penalty if Rightmix 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 Rightmix 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.