- Companies
- Machinery repair and installation
- Sheffield
- Boston Cartar Ltd
Boston Cartar Ltd
- Company number
- 14973214
- Incorporated
- 30 Jun 20233 years trading
- Registered office
- 38 Carver Street, Sheffield, S1 4FS
- Nature of business
- Repair of other equipment; Wholesale of radio, television goods & electrical household appliances (other than records, tapes, CD's & video tapes and the equipment used for playing them)
Boston Cartar Ltd is a 3-year-old private limited company registered in Sheffield, company number 14973214, one of 205 machinery repair and installation companies in Sheffield. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Boston Cartar LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £51K (+119.8%) on the year before, to £93K.
- 7 employees on average, up from 4 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £93K | £29K | £70K | 7 | |
| 30 Jun 2024 | £42K | £14K | £28K | 4 |
Where Boston Cartar Ltd is registered
The registered office is in Sheffield (S1), in the Sheffield local authority area, Yorkshire and The Humber. Show S1 4FS on a map.
Other trade companies in S1
- Ak Parts Wholesale LtdMotor traders
- SKGS Renovation LtdBuilders
- Propwarm LtdInstallers
- Pro Clean and Upkeep Services LtdCleaning companies
- Ecograder LtdPlumbers and heating engineers
- Nanoconservation LtdSpecialist contractors
- Kinvic Cleaning LtdCleaning companies
- Wilheat Underfloor LtdPlumbers and heating engineers
What happens if Boston Cartar 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14973214
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 June 2023 (3 years ago)
- Registered office
- 38 Carver Street, Sheffield, S1 4FS
- Nature of business
- Repair of other equipment (SIC 33190)
Wholesale of radio, television goods & electrical household appliances (other than records, tapes, CD's & video tapes and the equipment used for playing them) (SIC 46439) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 9 February 2026
- Previous names
- Coffee and Creem Ltd (until 5 Oct 2023)
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 Sheffield
Other active machinery repair and installation companies registered in Sheffield.
- BP Industrial Door & Loading Bay Systems Limited2007
- Brit-Eng Ltd2025
- Broadblast Limited1981
- BV Shutters & Shop Fronts Services Limited2023
- Byte IT Computers Ltd2016
- C Tech Rail Services Ltd2021
- Calibrate U.K. Limited2012
- Cammac Coal Limited1970
All machinery repair and installation companies in Sheffield · All trades in Sheffield · Machinery repair and installation across the UK
Frequently asked questions
When are Boston Cartar Ltd's accounts due?
Boston Cartar Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Boston Cartar Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Boston Cartar Ltd still trading?
Boston Cartar 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 Boston Cartar Ltd do?
Boston Cartar Ltd is registered under Repair of other equipment (SIC 33190); Wholesale of radio, television goods & electrical household appliances (other than records, tapes, CD's & video tapes and the equipment used for playing them) (SIC 46439).
How old is Boston Cartar Ltd?
Boston Cartar Ltd was incorporated on 30 June 2023, 3 years ago.
What is the penalty if Boston Cartar 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 Boston Cartar 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.