- Companies
- Specialist contractors
- Aberdeen
- Krzysztof Deja & Son Ltd
Krzysztof Deja & Son Ltd
- Company number
- SC904186
- Incorporated
- 28 Sep 2026
- Registered office
- 19 Fernhill Drive, Aberdeen, AB16 6RY
- Nature of business
- Other specialised construction activities n.e.c.
Krzysztof Deja & Son Ltd is a newly incorporated private limited company registered in Aberdeen, company number SC904186, one of 79 specialist construction companies in Aberdeen. Its next accounts are due at Companies House on 28 June 2028, and its first CT600 is due at HMRC on 27 September 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Krzysztof Deja & Son Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| K*** D*** | Director | Sep 2026 |
Person with significant control
Where Krzysztof Deja & Son Ltd is registered
The registered office is in Aberdeen (AB16), in the Aberdeen City local authority area, Scotland. Show AB16 6RY on a map.
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- F&C Property Services LtdSpecialist contractors
- Granite City Cars LtdMotor traders
- Jaf Maintenance & Construction LtdBuilders
What happens if Krzysztof Deja & Son 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 28 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Jun 2028 to 28 Jul 2028 | £150 |
| 1 to 3 months late | 29 Jul 2028 to 28 Sep 2028 | £375 |
| 3 to 6 months late | 29 Sep 2028 to 28 Dec 2028 | £750 |
| More than 6 months late | From 29 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- SC904186
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 September 2026
- Registered office
- 19 Fernhill Drive, Aberdeen, AB16 6RY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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 Aberdeen
Other active specialist construction companies registered in Aberdeen.
- Lce Construction Ltd2018
- LMR Offshore Services Ltd2025
- LRM Rope Access Limited2024
- Lucas Kruk Limited2017
- Lukas Contracting Limited2017
- M&M Lifting Services Ltd2025
- Macgregor Fabrications Ltd2026
- Mackenzie Services Ltd2021
All specialist construction companies in Aberdeen · All trades in Aberdeen · Specialist contractors across the UK
Frequently asked questions
When are Krzysztof Deja & Son Ltd's accounts due?
Krzysztof Deja & Son Ltd's next accounts are due at Companies House by 28 June 2028 (in 623 days), covering the period to 30 September 2027.
When is Krzysztof Deja & Son Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 27 September 2027, due by 27 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Krzysztof Deja & Son Ltd still trading?
Krzysztof Deja & Son 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 Krzysztof Deja & Son Ltd do?
Krzysztof Deja & Son Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Krzysztof Deja & Son Ltd?
Krzysztof Deja & Son Ltd was incorporated on 28 September 2026, less than a year ago.
Who runs Krzysztof Deja & Son Ltd?
Krzysztof Deja & Son Ltd has 1 active director, the longest-serving appointed in Sep 2026. Their names and service addresses are on the Companies House register.
Who owns Krzysztof Deja & Son Ltd?
One person or company has significant control of Krzysztof Deja & Son Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Krzysztof Deja & Son 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 Krzysztof Deja & Son 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.