- Companies
- Civil engineering
- Subdigit Limited
Company profile · Civil engineering
Subdigit Limited
Subdigit Limited is a 29-year-old private limited company registered in Welford on Avon, company number 03339374, one of the UK's civil engineering contractors. 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 Subdigit LimitedOr 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.
Financial snapshot, 2025
From the balance sheet at 30 June 2025, as filed at Companies House.
Subdigit Limited over the years
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 £12K (-43.7%) on the year before, to £15K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £42K against £29K owed within a year: 1.5 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £15K | £42K | £29K | 3 | |
| 30 Jun 2024 | £27K | £52K | £26K | 3 | |
| 30 Jun 2023 | £26K | £31K | £48K | £21K | 2 |
| 30 Jun 2022 | £24K | £41K | £17K | 2 | |
| 30 Jun 2021 | £18K | £39K | £21K | 2 | |
| 30 Jun 2020 | £14K | £44K | £30K | 2 | |
| 30 Jun 2019 | £9,886 | £23K | £13K | 2 |
Where Subdigit Limited is registered
The registered office is in Welford on Avon (CV37), in the Stratford-on-Avon local authority area, West Midlands. Show CV37 8PP on a map.
Other trade companies in CV37
- Aether Air Conditioning LtdPlumbers and heating engineers
- Yabai Garage LtdMotor traders
- Mooreroofing4U LtdRoofers
- The Stratford Upon Avon Cleaning Company LtdCleaning companies
- Stride Projects LimitedBuilders
- Babic Newey LimitedMotor traders
- Premier Core Group LimitedMotor traders
- Lawnhub LtdLandscapers and gardeners
What happens if Subdigit 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 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
- 03339374
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 March 1997 (29 years ago)
- Registered office
- Hillcrest, Binton Road, Welford on Avon, Warwickshire, CV37 8PP
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 25 March 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies
Other active civil engineering contractors.
- Andrew Harvey Limited1997
- Construction Services (Duncote) Limited1997
- R.Wright Construction Limited1997
- Ruscoe Enterprises Limited1997
- Totality Designs Ltd1997
- Petworth Cosmorama Limited1997
- P.M. & J.E. Enterprises Ltd.1997
- S & A Site Services Limited1997
Civil engineering across the UK
Frequently asked questions
When are Subdigit Limited's accounts due?
Subdigit Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Subdigit Limited'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 Subdigit Limited still trading?
Subdigit 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 Subdigit Limited do?
Subdigit Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is Subdigit Limited?
Subdigit Limited was incorporated on 25 March 1997, 29 years ago.
What is the penalty if Subdigit 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 Subdigit 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.