Owners, management and financials
CVR: 43765248
DKK 1,604,302
Gross profit
Net result: DKK 17,462
THOMAS JANSTEEN HOLDING ApS (66,66-89,99%), MASUCA HOLDING ApS (33,33-49,99%)
CVR · view owners
Thomas Jansteen
Board: 2 members
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Active
Founded 9 January 2023
CVR · view overview
3 employees
Annual report 2025 · average
Owner registered: THOMAS JANSTEEN HOLDING ApS
CVR · 11/05/2023
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Dansk Isolering Sjælland ApS is a Danish company of the type Anpartsselskab based in Hedehusene, founded in 2023. The company is registered under the industry Installation af isolering. The management consists of Thomas Jansteen. The board consists of Martin Brink and Thomas Jansteen. The company is owned by THOMAS JANSTEEN HOLDING ApS and MASUCA HOLDING ApS. According to the 2025 annual report, the company had an average of 3 employees. In 2025, the company reported a gross profit of DKK 1,604,302 and a net result of DKK 17,462 compared with DKK 710,733 the year before. Equity in the 2025 report amounted to DKK 240,066.
Source: annual report 2025, Danish Business Authority
The financial health of Dansk Isolering Sjælland ApS appears to be improving, with gross profit increasing from 700,541 DKK in 2023 to 2,423,886 DKK in 2024, and a profit rise from 71,869 DKK to 710,733 DKK during the same period. However, the company has not disclosed revenue figures, making it difficult to assess overall sales performance. Equity has also grown significantly, from 111,871 DKK in 2023 to 822,604 DKK in 2024, indicating a strengthening financial position. Despite being a newly established player in the insulation installation industry, the upward trend in profitability and equity suggests a positive trajectory, although the lack of revenue data raises concerns about market penetration and operational scale.
AI-generated summary · Generated 13/08/2026
Selskabets formål er at drive virksomhed med salg af isolering og andre energibesparende produkter og løsninger samt virksomhed, der er beslægtet hermed.
Source: annual reports filed with the Danish Business Authority.
| Period | Gross Profit | Profit/Loss | Total Assets | Equity | Employees | Report |
|---|---|---|---|---|---|---|
| 202501/01/2025 – 31/12/2025 | 1.6 mio. | 17 t. | 744 t. | 240 t. | 3 | |
| 202401/01/2024 – 31/12/2024 | 2.4 mio. | 711 t. | 1.6 mio. | 823 t. | 3 | |
| 202309/01/2023 – 31/12/2023 | 701 t. | 72 t. | 1.2 mio. | 112 t. | 1 |
Compared to 325 companies in Installation af isolering
Comparison is based on industry median values
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See the API documentationThe CVR number of Dansk Isolering Sjælland ApS is 43765248.
Dansk Isolering Sjælland ApS is owned by THOMAS JANSTEEN HOLDING ApS and MASUCA HOLDING ApS.
The management of Dansk Isolering Sjælland ApS consists of Thomas Jansteen.
The board of Dansk Isolering Sjælland ApS consists of Martin Brink and Thomas Jansteen.
In 2025, Dansk Isolering Sjælland ApS reported a gross profit of DKK 1,604,302.
Dansk Isolering Sjælland ApS had an average of 3 employees in the 2025 financial year according to the annual report.
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Dansk Isolering Sjælland ApS has published its annual report for 2025. Gross profit came to DKK 1,604,302, and the net result was DKK 17,462.
Dansk Isolering Sjælland ApS has published its annual report for 2024. Gross profit came to DKK 2,423,886, and the net result was DKK 710,733.
Dansk Isolering Sjælland ApS has published its annual report for 2023. Gross profit came to DKK 700,541, and the net result was DKK 71,869.
As of May 11, 2023, Steen Malmberg has left the board of directors of Dansk Isolering Sjælland ApS.
As of May 11, 2023, THOMAS JANSTEEN HOLDING ApS is registered as an owner of Dansk Isolering Sjælland ApS with an ownership share of 66%.
As of January 9, 2023, Steen Malmberg has joined the board of directors of Dansk Isolering Sjælland ApS.
As of January 9, 2023, Thomas Jansteen has joined the board of directors of Dansk Isolering Sjælland ApS.
As of January 9, 2023, Martin Brink has joined the board of directors of Dansk Isolering Sjælland ApS.
As of January 9, 2023, Thomas Jansteen is registered as director of Dansk Isolering Sjælland ApS.
As of January 9, 2023, MASUCA HOLDING ApS is registered as an owner of Dansk Isolering Sjælland ApS with an ownership share of 33%.
Dansk Isolering Sjælland ApS was founded on January 9, 2023.
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