- Companies
- Specialist contractors
- Berkhamsted
- Allgo Construction Services Ltd
Allgo Construction Services Ltd
- Company number
- 13102739
- Incorporated
- 30 Dec 20205 years trading
- Registered office
- 20 Deans Meadow, Dagnall, Berkhamsted, HP4 1RW
- Nature of business
- Other specialised construction activities n.e.c.
Allgo Construction Services Ltd is a 5-year-old private limited company registered in Berkhamsted, company number 13102739, one of 18 specialist construction companies in Berkhamsted. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £29K (+85%) on the year before, to £62K.
- Current assets of £97K against £35K owed within a year: 2.8 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £62K | £5,143 | £97K | £35K | 2 |
| 31 Dec 2024 | £34K | £0 | £50K | £16K | 1 |
| 31 Dec 2023 | 0 | ||||
| 31 Dec 2022 | £1 | £1 | |||
| 31 Dec 2021 | £1 | £1 |
Where Allgo Construction Services Ltd is registered
The registered office is in Berkhamsted (HP4), in the Buckinghamshire local authority area, South East. Show HP4 1RW on a map.
Other trade companies in HP4
- Berkofix LtdBuilders
- Mangan Group LtdCivil engineering
- MCB Farms LtdBuilders
- MJH Design and Build LtdBuilders
- Phillips Doors & Windows LimitedJoiners and carpenters
- Isio Estates LtdFacilities management
- Pme Land LimitedProperty developers
- Platinum Garden Services LtdLandscapers and gardeners
What happens if Allgo Construction Services 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 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
- 13102739
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 December 2020 (5 years ago)
- Registered office
- 20 Deans Meadow, Dagnall, Berkhamsted, HP4 1RW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 17 November 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Berkhamsted
Other active specialist construction companies registered in Berkhamsted.
- Architectural Planning Studio Ltd2009
- DK Property Maintenance Limited2017
- Everest Plant Limited2003
- Framework Scaffolding Contractors Limited2012
- G P Minns Limited2012
- Green Home Ltd2007
- Homes Within Reach Limited2026
- JS Stone Construction Ltd2022
All specialist construction companies in Berkhamsted · All trades in Berkhamsted · Specialist contractors across the UK
Frequently asked questions
When are Allgo Construction Services Ltd's accounts due?
Allgo Construction Services Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Allgo Construction Services Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Allgo Construction Services Ltd still trading?
Allgo Construction Services 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 Allgo Construction Services Ltd do?
Allgo Construction Services Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Allgo Construction Services Ltd?
Allgo Construction Services Ltd was incorporated on 30 December 2020, 5 years ago.
What is the penalty if Allgo Construction Services 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 Allgo Construction Services 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.