Owners, management and financials
CVR: 13526982
Secondary names: BENT LØNNE GRUNDWASSERABSENKUNG A/S, BL GRUNDWASSERABSENKUNG A/S, JØRN KRAMERS EFTF. A/S
Previous names: SLP NR. 10.529 A/S, BENT LØNNE GRUNDVANDSSÆNKNING A/S, BL GRUNDVANDSSÆNKNING A/S
DKK 32,008,976
Gross profit
Net result: DKK 10,534,016
Per Aarsleff Holding A/S (100%)
CVR · view owners
Jørn Isaksen
Board: Lars Gøttrup Christensen (chair) and 2 members
CVR · view management
Active
Founded 1 October 1989
CVR · view overview
21 employees
CVR · 2026
Name registered: BL Grundvandssænkning A/S
CVR · 09/05/2023
View the full event history
BL Grundvandssænkning A/S is a Danish company of the type Aktieselskab based in Kolding, founded in 1989. The company is registered under the industry Andre specialiserede bygningsarbejder. The company was previously named BL Vandfax A/S and BL GRUNDVANDSSÆNKNING A/S. The management consists of Jørn Isaksen. The board consists of Lars Gøttrup Christensen (chair), Kristian Palm and Søren Witt Andersen. The company is owned by Per Aarsleff Holding A/S. The company has 21 employees (2026). In 2025, the company reported a gross profit of DKK 32,008,976 and a net result of DKK 10,534,016 compared with DKK 10,891,576 the year before. Equity in the 2025 report amounted to DKK 39,407,625.
Source: annual report 2025, Danish Business Authority
The financial health of BL Grundvandssænkning A/S appears strong, with consistent growth in gross profit and profit over recent years. Gross profit increased from 21 million DKK in 2021 to 32 million DKK in 2025, while profit peaked at 10.89 million DKK in 2024 before slightly declining to 10.53 million DKK in 2025. The company's equity position has also improved significantly, rising from 13 million DKK in 2021 to over 39 million DKK in 2025, indicating a solid capital base. However, the absence of disclosed revenue figures makes it challenging to assess overall revenue trends, though the growing gross profit suggests effective cost management and operational efficiency. Positioned within the specialized construction sector, the company demonstrates a robust trajectory, but continued monitoring of profit margins and potential debt levels will be essential for sustained performance.
AI-generated summary · Generated 13/08/2026
Selskabets formål er at udøve entreprenørvirksomhed med dertil knyttet handel og investering
Source: annual reports filed with the Danish Business Authority.
| Period | Gross Profit | Profit/Loss | Total Assets | Equity | Employees | Report |
|---|---|---|---|---|---|---|
| 202501/10/2024 – 30/09/2025 | 32 mio. | 10.5 mio. | 47.1 mio. | 39.4 mio. | 23 | |
| 202401/10/2023 – 30/09/2024 | 30.1 mio. | 10.9 mio. | 46.3 mio. | 38.9 mio. | 17 | |
| 202301/10/2022 – 30/09/2023 | 28.3 mio. | 7.7 mio. | 47.5 mio. | 35.5 mio. | 19 | |
| 202201/10/2021 – 30/09/2022 | 28 mio. | 10.6 mio. | 24.5 mio. | 18.7 mio. | 17 | |
| 202101/10/2020 – 30/09/2021 | 21 mio. | 5.4 mio. | 19.2 mio. | 13 mio. | 18 | |
| 202001/10/2019 – 30/09/2020 | 21.3 mio. | 7.1 mio. | 21.4 mio. | 14.6 mio. | 17 | |
| 201901/10/2018 – 30/09/2019 | 14.8 mio. | 3.7 mio. | 16.5 mio. | 12.5 mio. | 15 | |
| 201801/10/2017 – 30/09/2018 | 18.9 mio. | 4 mio. | 15.6 mio. | 11.8 mio. | 24 | |
| 201701/10/2016 – 30/09/2017 | 16.5 mio. | 3.1 mio. | 21.4 mio. | 9.8 mio. | 24 | |
| 201601/10/2015 – 30/09/2016 | 14.6 mio. | 3.6 mio. | 14.2 mio. | 8.7 mio. | - | |
| 201501/10/2014 – 30/09/2015 | 11.5 mio. | 1.8 mio. | 9 mio. | 5.1 mio. | - | |
| 201401/10/2013 – 30/09/2014 | 10.4 mio. | 1.3 mio. | 9.5 mio. | 3.4 mio. | - | |
| 201301/10/2012 – 30/09/2013 | 14.9 mio. | 4.7 mio. | 16.8 mio. | 13.3 mio. | - | |
| 201201/10/2011 – 30/09/2012 | 11.7 mio. | 2.4 mio. | 15.1 mio. | 10.5 mio. | - |
Compared to 200 companies in Andre specialiserede bygningsarbejder
Comparison is based on industry median values
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Read about the CDS scoreThe CVR number of BL Grundvandssænkning A/S is 13526982.
BL Grundvandssænkning A/S is owned by Per Aarsleff Holding A/S.
The management of BL Grundvandssænkning A/S consists of Jørn Isaksen.
The board of BL Grundvandssænkning A/S consists of Lars Gøttrup Christensen, Kristian Palm and Søren Witt Andersen, with Lars Gøttrup Christensen as chair.
In 2025, BL Grundvandssænkning A/S reported a gross profit of DKK 32,008,976.
BL Grundvandssænkning A/S had 21 employees in 2026 according to the Danish CVR register.
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BL Grundvandssænkning A/S has published its annual report for 2025. Gross profit came to DKK 32,008,976, and the net result was DKK 10,534,016.
Contact info changed: new phone: 74204060, new email: [email protected] (February 18, 2026).
As of August 12, 2025, BDO Statsautoriseret Revisionspartnerselskab has been appointed auditor of BL Grundvandssænkning A/S.
As of August 12, 2025, A/S PSE 17 NR. 1056 has stepped down as auditor of BL Grundvandssænkning A/S.
BL Grundvandssænkning A/S has published its annual report for 2024. Gross profit came to DKK 30,134,884, and the net result was DKK 10,891,576.
BL Grundvandssænkning A/S has published its annual report for 2023. Gross profit came to DKK 28,258,268, and the net result was DKK 7,714,140.
As of May 9, 2023, Søren Witt Andersen has joined the board of directors of BL Grundvandssænkning A/S.
As of May 9, 2023, Jesper Pilegaard has left the board of directors of BL Grundvandssænkning A/S.
On May 9, 2023, the company changed its name from BL Vandfax A/S to BL Grundvandssænkning A/S.
BL Grundvandssænkning A/S has published its annual report for 2022. Gross profit came to DKK 27,991,488, and the net result was DKK 10,639,650.
On November 21, 2022, the company changed its name from BL GRUNDVANDSSÆNKNING A/S to BL Vandfax A/S.
As of June 7, 2022, Kristian Palm has joined the board of directors of BL Grundvandssænkning A/S.
As of June 7, 2022, Lars Gøttrup Christensen has joined the board of directors of BL Grundvandssænkning A/S.
As of June 7, 2022, Jesper Pilegaard has joined the board of directors of BL Grundvandssænkning A/S.
As of June 7, 2022, Erik Stagsted Lund has left the board of directors of BL Grundvandssænkning A/S.
As of June 7, 2022, Jørn Isaksen has left the board of directors of BL Grundvandssænkning A/S.
As of June 7, 2022, Berit Lassen has left the board of directors of BL Grundvandssænkning A/S.
As of June 7, 2022, Per Aarsleff Holding A/S is registered as an owner of BL Grundvandssænkning A/S with an ownership share of 100%.
BL Grundvandssænkning A/S has published its annual report for 2021. Gross profit came to DKK 21,009,679, and the net result was DKK 5,425,985.
BL Grundvandssænkning A/S has published its annual report for 2020. Gross profit came to DKK 21,318,244, and the net result was DKK 7,091,767.
BL Grundvandssænkning A/S has published its annual report for 2019. Gross profit came to DKK 14,777,780, and the net result was DKK 3,707,828.
BL Grundvandssænkning A/S has published its annual report for 2018. Gross profit came to DKK 18,872,200, and the net result was DKK 4,005,313.
As of December 18, 2018, Christian Lassen has left the board of directors of BL Grundvandssænkning A/S.
BL Grundvandssænkning A/S has published its annual report for 2017. Gross profit came to DKK 16,476,019, and the net result was DKK 3,085,606.
BL Grundvandssænkning A/S has published its annual report for 2016. Gross profit came to DKK 14,570,173, and the net result was DKK 3,590,591.
As of September 5, 2016, Erik Stagsted Lund has joined the board of directors of BL Grundvandssænkning A/S.
As of September 5, 2016, Jørn Isaksen has joined the board of directors of BL Grundvandssænkning A/S.
As of September 5, 2016, Berit Lassen has joined the board of directors of BL Grundvandssænkning A/S.
As of September 5, 2016, Uffe Kullen Elbæk has left the board of directors of BL Grundvandssænkning A/S.
As of September 5, 2016, Jørn Isaksen is registered as director of BL Grundvandssænkning A/S.
As of September 5, 2016, Christian Lassen has stepped down as director of BL Grundvandssænkning A/S.
As of September 4, 2016, Jørn Isaksen has left the board of directors of BL Grundvandssænkning A/S.
BL Grundvandssænkning A/S has published its annual report for 2015. Gross profit came to DKK 11,455,135, and the net result was DKK 1,751,698.
As of December 21, 2015, Jørn Isaksen has joined the board of directors of BL Grundvandssænkning A/S.
As of December 21, 2015, Uffe Kullen Elbæk has joined the board of directors of BL Grundvandssænkning A/S.
As of December 21, 2015, Claus Boel has left the board of directors of BL Grundvandssænkning A/S.
As of December 21, 2015, Berit Lassen has left the board of directors of BL Grundvandssænkning A/S.
BL Grundvandssænkning A/S has published its annual report for 2014. Gross profit came to DKK 10,409,639, and the net result was DKK 1,255,223.
BL Grundvandssænkning A/S has published its annual report for 2013. Gross profit came to DKK 14,863,897, and the net result was DKK 4,743,072.
BL Grundvandssænkning A/S has published its annual report for 2012. Gross profit came to DKK 11,709,821, and the net result was DKK 2,352,622.
As of March 1, 2010, A/S PSE 17 NR. 1056 has been appointed auditor of BL Grundvandssænkning A/S.
As of March 1, 2010, Revisionsfirmaet Leo Hansen v/K E Nielsen/J Skov/C Petersen has stepped down as auditor of BL Grundvandssænkning A/S.
As of December 21, 2009, Claus Boel has joined the board of directors of BL Grundvandssænkning A/S.
As of December 21, 2009, Thomas Buthmann Jürgensen has left the board of directors of BL Grundvandssænkning A/S.
As of September 15, 2008, Thomas Buthmann Jürgensen has joined the board of directors of BL Grundvandssænkning A/S.
As of September 15, 2008, Flemming Jordt has left the board of directors of BL Grundvandssænkning A/S.
As of December 17, 2003, Flemming Jordt has joined the board of directors of BL Grundvandssænkning A/S.
As of December 17, 2003, Christian Lassen has joined the board of directors of BL Grundvandssænkning A/S.
As of December 17, 2003, Berit Lassen has joined the board of directors of BL Grundvandssænkning A/S.
As of December 17, 2003, Werner Karl Heinze has left the board of directors of BL Grundvandssænkning A/S.
As of December 17, 2003, Joachim Wolf Franck has left the board of directors of BL Grundvandssænkning A/S.
As of December 17, 2003, Hans-Christian Otto Grupe has left the board of directors of BL Grundvandssænkning A/S.
As of March 25, 2003, Hans-Christian Otto Grupe has joined the board of directors of BL Grundvandssænkning A/S.
As of March 25, 2003, Friedhelm Davids has left the board of directors of BL Grundvandssænkning A/S.
On October 31, 1997, the company changed its name from BENT LØNNE GRUNDVANDSSÆNKNING A/S to BL GRUNDVANDSSÆNKNING A/S.
As of April 15, 1996, Werner Karl Heinze has joined the board of directors of BL Grundvandssænkning A/S.
As of April 15, 1996, Joachim Wolf Franck has joined the board of directors of BL Grundvandssænkning A/S.
As of April 15, 1996, Friedhelm Davids has joined the board of directors of BL Grundvandssænkning A/S.
As of April 15, 1996, Poul Erik Zeberg Jensen has left the board of directors of BL Grundvandssænkning A/S.
As of April 15, 1996, Karen Margrethe Zeberg Jensen has left the board of directors of BL Grundvandssænkning A/S.
As of April 15, 1996, Preben Jensen has left the board of directors of BL Grundvandssænkning A/S.
As of April 15, 1996, Christian Lassen is registered as director of BL Grundvandssænkning A/S.
As of April 15, 1996, Poul Erik Zeberg Jensen has stepped down as director of BL Grundvandssænkning A/S.
As of May 24, 1993, EY Godkendt Revisionspartnerselskab has stepped down as auditor of BL Grundvandssænkning A/S.
As of December 22, 1992, Erik Gram has left the board of directors of BL Grundvandssænkning A/S.
As of December 22, 1992, Jens Peder Krogh Johansen has left the board of directors of BL Grundvandssænkning A/S.
On December 18, 1990, the company changed its name from SLP NR. 10.529 A/S to BENT LØNNE GRUNDVANDSSÆNKNING A/S.
As of December 17, 1990, DANSK REVISION I AALBORG A/S has stepped down as auditor of BL Grundvandssænkning A/S.
As of December 17, 1990, Preben Bang Henriksen has left the board of directors of BL Grundvandssænkning A/S.
As of December 17, 1990, Mogens Gaardboe Bertelsen has left the board of directors of BL Grundvandssænkning A/S.
As of December 17, 1990, Lone Mai Henriksen has left the board of directors of BL Grundvandssænkning A/S.
As of December 17, 1990, Preben Bang Henriksen has stepped down as director of BL Grundvandssænkning A/S.
As of October 1, 1989, EY Godkendt Revisionspartnerselskab has been appointed auditor of BL Grundvandssænkning A/S.
As of October 1, 1989, Revisionsfirmaet Leo Hansen v/K E Nielsen/J Skov/C Petersen has been appointed auditor of BL Grundvandssænkning A/S.
As of October 1, 1989, DANSK REVISION I AALBORG A/S has been appointed auditor of BL Grundvandssænkning A/S.
As of October 1, 1989, Preben Bang Henriksen has joined the board of directors of BL Grundvandssænkning A/S.
As of October 1, 1989, Mogens Gaardboe Bertelsen has joined the board of directors of BL Grundvandssænkning A/S.
As of October 1, 1989, Poul Erik Zeberg Jensen has joined the board of directors of BL Grundvandssænkning A/S.
As of October 1, 1989, Karen Margrethe Zeberg Jensen has joined the board of directors of BL Grundvandssænkning A/S.
As of October 1, 1989, Erik Gram has joined the board of directors of BL Grundvandssænkning A/S.
As of October 1, 1989, Jens Peder Krogh Johansen has joined the board of directors of BL Grundvandssænkning A/S.
As of October 1, 1989, Preben Jensen has joined the board of directors of BL Grundvandssænkning A/S.
As of October 1, 1989, Lone Mai Henriksen has joined the board of directors of BL Grundvandssænkning A/S.
As of October 1, 1989, Preben Bang Henriksen is registered as director of BL Grundvandssænkning A/S.
As of October 1, 1989, Poul Erik Zeberg Jensen is registered as director of BL Grundvandssænkning A/S.
BL Grundvandssænkning A/S was founded on October 1, 1989.
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