- Company number
- 15035911
- Incorporated
- 28 Jul 20233 years trading
- Registered office
- Unit 9, Chells Industrial Units, Chells Way, Stevenage, SG2 0LQ
- Nature of business
- Construction of domestic buildings; Renting and leasing of construction and civil engineering machinery and equipment
Shellco Ltd is a 3-year-old private limited company registered in Stevenage, company number 15035911, one of 140 building contractors in Stevenage. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 up £12K (+276.6%) on the year before, to £7,461.
- Current assets of £9,300 against £4,242 owed within a year: 2.2 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Jul 2025 | £7,461 | £4,014 | £9,300 | £4,242 | 1 |
| 31 Jul 2024 | -£4,225 | £1,909 | £6,134 | 1 |
Where Shellco Ltd is registered
The registered office is in Stevenage (SG2), in the Stevenage local authority area, East of England. Show SG2 0LQ on a map.
Other trade companies in SG2
- Amkj Construction LtdBuilders
- Terrascape Solution LtdSpecialist contractors
- K Taylor Ac Contractors LimitedPlumbers and heating engineers
- Kcet Services LtdProperty developers
- Saunders Climate Control LtdPlumbers and heating engineers
- Emp Energy LtdElectricians
- TKTK Cock Green Dev LtdProperty developers
- Mario's Building & Landscaping LtdBuilders
What happens if Shellco 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 15035911
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 July 2023 (3 years ago)
- Registered office
- Unit 9, Chells Industrial Units, Chells Way, Stevenage, SG2 0LQ
- Nature of business
- Construction of domestic buildings (SIC 41202)
Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320) - Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 27 July 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Stevenage
Other active building contractors registered in Stevenage.
- SRD Property Services Ltd2024
- Stalev Construction Ltd2024
- Stash Construction Limited2007
- Sterling & Fletcher Ltd2026
- Stevenage Property Services Ltd2025
- Stonepoint Limited2003
- Storey & Holmes Contractors Ltd2023
- Sureset Construction Ltd2024
All building contractors in Stevenage · All trades in Stevenage · Builders across the UK
Frequently asked questions
When are Shellco Ltd's accounts due?
Shellco Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Shellco Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Shellco Ltd still trading?
Shellco 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 Shellco Ltd do?
Shellco Ltd is registered under Construction of domestic buildings (SIC 41202); Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320).
How old is Shellco Ltd?
Shellco Ltd was incorporated on 28 July 2023, 3 years ago.
What is the penalty if Shellco 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 Shellco 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.