KARLSEN BYG A/S
CVR 31366208 · Public limited company (A/S) · Active · Low risk
KARLSEN BYG A/S is a Public limited company (A/S), founded on , based in Østervrå. The company is registered in the industry tømrer- og bygningssnedkeraktiviteter. Our model estimates a bankruptcy risk of 0.2% over the next 12 months, which is 0.1 times the average for Danish companies. 17 annual reports have been published. The latest annual report (30 Sep 2025) shows equity of DKK 1.4m and a net result of DKK 390k. CEO: René Gjelstrup Karlsen.
Bankruptcy risk for KARLSEN BYG A/S
0.1 × the average (1.41%) · higher risk than 44% of active Danish companies
Increases the risk
Reduces the risk
The factors show how often companies with the same characteristic went bankrupt compared with the average (“lift”). The risk is a statistical estimate from a model trained on 141,000+ Danish bankruptcies (AUC 0.93) – not a credit rating. Read about the method.
Company details
- CVR number
- 31366208
- Status
- Active
- Company type
- Public limited company (A/S)
- Founded
- (18 years)
- Address
- Brøndenvej 41C
9750 Østervrå - Municipality
- Frederikshavn
- Industry
- Tømrer- og bygningssnedkeraktiviteter (433200)
Bankruptcies in the industry: Tømrer- og bygningssnedkervirksomhed - Share capital
- DKK 500k
- Employees
- 2 (2018)
- Auditor
- BDO Statsautoriseret Revisionspartnerselskab
- Audit opted out
- Yes
Warning signs
| Annual reports filed late | 0 of 17 |
| Missing annual report | No |
| Negative equity | No |
| Equity ratio | 49.1% |
| Current ratio | 162% |
| Moves (last 2 years) | 0 |
| CEO changes in total | 0 |
| CEO's previous bankruptcies | 0 |
| Other companies at the address | 3 |
| Going-concern uncertainty | No |
Financials and key figures
| Financial year | 2025 | 2024 |
|---|---|---|
| Gross profit | DKK 2.8m | DKK 2.2m |
| Net profit | DKK 390k | DKK 283k |
| Equity | DKK 1.4m | DKK 1.3m |
| Total assets | DKK 2.8m | DKK 2.4m |
| Cash | DKK 0 | – |
| Short-term debt | DKK 1.3m | – |
| Avg. employees | 6 | – |
Latest annual report: Reporting class B · auditor's statement: Andre erklæringer uden sikkerhed · BDO Statsautoriseret Revisionspartnerselskab.
Filed annual reports
| Reporting period | Published | Days after period end | |
|---|---|---|---|
| 1 Oct 2024 – 30 Sep 2025 | 79 | ||
| 1 Oct 2023 – 30 Sep 2024 | 80 | ||
| 1 Oct 2022 – 30 Sep 2023 | 80 | ||
| 1 Oct 2021 – 30 Sep 2022 | 69 | ||
| 1 Oct 2020 – 30 Sep 2021 | 73 | ||
| 1 Oct 2019 – 30 Sep 2020 | 83 | ||
| 1 Oct 2018 – 30 Sep 2019 | 80 | ||
| 1 Oct 2017 – 30 Sep 2018 | 79 | ||
| 1 Oct 2016 – 30 Sep 2017 | 62 | ||
| 1 Oct 2015 – 30 Sep 2016 | 49 | ||
| 1 Oct 2014 – 30 Sep 2015 | 49 | ||
| 1 Oct 2013 – 30 Sep 2014 | 101 | ||
| 1 Oct 2012 – 30 Sep 2013 | 65 | ||
| 1 Oct 2011 – 30 Sep 2012 | 83 | ||
| 1 Oct 2010 – 30 Sep 2011 | 52 | ||
| 1 Oct 2009 – 30 Sep 2010 | 57 | ||
| 4 Apr 2008 – 30 Sep 2009 | 36 |
The annual report must reach the Danish Business Authority no later than 5 months after the end of the financial year. We mark reports published more than 6 months after as “late”.
Management, owners and auditor
| Role | Name | From | To |
|---|---|---|---|
| CEO | René Gjelstrup Karlsen | Current | |
| Board | Thorkild Gjelstrup Karlsen | Current | |
| Board | René Gjelstrup Karlsen | Current | |
| Board | Sandra Engelbrecht Kiel Karlsen | Current | |
| Board | Tove Margrethe Karlsen | ||
| Owner (100%) | RGK Holding ApS | Current | |
| Owner (100%) | René Gjelstrup Karlsen | ||
| Auditor | P&H P/S | ||
| Auditor | BDO Holding VII, statsautoriseret revisionsaktieselskab | ||
| Founder | René Gjelstrup Karlsen | Current |
The CEOs' other companies
René Gjelstrup Karlsen – 4 other companies, of which 1 bankrupt
- ØSTERVRÅ ANDELSKASSE Bankrupt 29 Jun 2022
- Karlsen Ejendomme Østervrå ApS Active
- RGK Holding ApS Active
- TK HOLDING. ØSTERVRAA ApS Active
Address history (1 moves)
| Brøndenvej 41C, 9750 Østervrå | |
| Brøndenvej 41C, 9750 Østervrå |
Employees per year
Other companies at the same address
- KARLSEN TOTALBYG ApS Opløst
- Karlsen Ejendomme Østervrå ApS Active
- RGK Holding ApS Active
Similar companies in Frederikshavn
- RB investment ApS Frederikshavn
- Holm Entreprenøren ApS Sæby
- Skov's Tømrer ApS Sæby
- RM Solutions ApS Frederikshavn
- KSJ Montage ApS Sæby
- Entreprenør Kasper Nielsen ApS Frederikshavn
- CFTS-Byg ApS Frederikshavn
- CJ SKAGEN ApS Frederikshavn
- DANSK STÅL DESIGN ApS FREDERIKSHAVN Sæby
- STÆTEN ENTREPRENØR ApS Frederikshavn
- DELTA SYSTEM DK ApS Frederikshavn
- BANGSMINDE ApS Frederikshavn
Questions and answers about KARLSEN BYG A/S
Has KARLSEN BYG A/S gone bankrupt?
No, KARLSEN BYG A/S is not registered as bankrupt in the CVR register. Its status is: active.
What is the bankruptcy risk of KARLSEN BYG A/S?
Our model estimates a bankruptcy risk of 0.2% over the next 12 months (low risk), which is 0.1 times the average for Danish companies.
Who is the CEO of KARLSEN BYG A/S?
René Gjelstrup Karlsen is the CEO of KARLSEN BYG A/S.
Who is the auditor of KARLSEN BYG A/S?
KARLSEN BYG A/S most recently used BDO Statsautoriseret Revisionspartnerselskab.
When was KARLSEN BYG A/S founded?
KARLSEN BYG A/S was founded on 4 April 2008.
What is the equity of KARLSEN BYG A/S?
Equity was DKK 1.4m according to the annual report for the period ending 30 September 2025.
Source: the CVR register and annual reports published by the Danish Business Authority. The information is updated continuously.