Dansk Isolering Sjælland ApS
Private limited companyCVR 43765248HedehuseneActive
Dansk Isolering Sjælland ApS is a private limited company, based in Hedehusene, active in insulation installation, founded in 2023. Net profit fell 98% from 2024 to 2025, ending at DKK 17,462. Equity fell to DKK 240k in 2025.
Key figures · financial year 2025
What has changed
calculated from recorded figures and datesFinancials: 2025 against 2024
- Gross profit fell 34% (2024 → 2025), to DKK 1.6m.
- Net profit fell 98% (2024 → 2025), to DKK 17,462.
- Equity fell 71% (2024 → 2025), to DKK 240k.
Employees
- 1 more employees than a year earlier: 4 (07/2026) against 3 (07/2025).
Registrations, last 24 months
- 01/01/2025: Industry changed to Insulation installation (432300)
Calculated from the latest two annual reports in sequence and from registrations in CVR. A figure that is missing in either year gives no line, and we derive no figures.
Financial statements
Financial years 2023–2025 · amounts in DKK thousandEquity and net profit
| 2023 | 2024 | 2025 | Change | |
|---|---|---|---|---|
| Revenue | not stated | not stated | not stated | – |
| Gross profit | 701 | 2,424 | 1,604 | −33.8% |
| Operating profit (EBIT) | 110 | 920 | 41 | −95.6% |
| Profit before tax | 94 | 911 | 23 | −97.4% |
| Net profit | 72 | 711 | 17 | −97.5% |
| Total assets | 1,186 | 1,599 | 744 | −53.5% |
| Equity | 112 | 823 | 240 | −70.8% |
| Liabilities | 1,052 | 735 | 470 | −36.1% |
| Cash and cash equivalents | 301 | 618 | 121 | −80.4% |
| Average number of employees | 1 | 3 | 3 | 0% |
Source: annual reports filed with the Danish Business Authority (XBRL). Figures for the company (not the group); change is the latest year against the year before. “–” means the figure is not stated in the annual report. Revenue is not stated for 2023, 2024, 2025: smaller companies may omit it, and we do not derive it from other figures.
Download the figures as CSV · free with an account, amounts in whole DKK
Signals from the financial statements
calculated from the 2025 figuresEquity fell sharply
Equity fell 71% from 2024 to 2025 (DKK 823k to DKK 240k).
How is this calculated?
Equity has fallen by at least 30% from the previous annual report, and it was positive the year before.
The signals are rules applied to the figures in the annual reports. They are not an assessment or credit rating of the company. See Data and method.
Annual reports
3 financial years| Financial year | Period | Published | Figures for | Documents |
|---|---|---|---|---|
| 2025 | 01/01/2025 – 31/12/2025 | 24/03/2026 | The company | PDF not statedXBRL |
| 2024 | 01/01/2024 – 31/12/2024 | 27/03/2025 | The company | PDFXBRL |
| 2023 | 09/01/2023 – 31/12/2023 | 06/05/2024 | The company | PDFXBRL |
The figures from all the annual reports are shown on this page. The documents themselves (PDF and XBRL, the machine-readable edition) are downloaded with a Pro account: sign in or create a free account, and then choose Pro. XBRL is the edition the figures on the page are read from.
Employees
monthly figures from CVRPosition in the industry
179 companies in the databaseComparison with the other companies in insulation installation based on the latest financial year.
Industry median: gross profit DKK 2.3m, net profit DKK 200k, equity DKK 720k, 4 employees.
Compared with similar companies
size, age and company form| Group | Gross profit | Equity |
|---|---|---|
| Companies with fewer than 20 employees69,967 companies in the comparison | No. 35,504of 69,742 Better than 49% | No. 49,120of 69,964 Better than 30% |
| Same industry and fewer than 20 employees166 companies in the comparison | No. 102of 166 Better than 39% | No. 119of 166 Better than 28% |
| Companies that are founded within the last five years16,662 companies in the comparison | No. 6,766of 16,614 Better than 59% | No. 7,997of 16,661 Better than 52% |
| All companies of type ApS66,508 companies in the comparison | No. 34,304of 66,379 Better than 48% | No. 45,150of 66,505 Better than 32% |
The rank is calculated among companies in the database with a figure for the latest financial year, and is shown only for groups of at least ten companies.
Compare with the industry
Insulation installation- Dansk Isolering Sjælland ApSDKK 1.6m
- CM Iso A/SDKK 106.6m
- Persolit Entreprenørfirma A/SDKK 94.8m
- Dansk Isolering Sjælland ApSDKK 17,462
- CM Iso A/SDKK 28.8m
- Persolit Entreprenørfirma A/SDKK 20.4m
- Dansk Isolering Sjælland ApSDKK 240k
- CM Iso A/SDKK 39.6m
- Persolit Entreprenørfirma A/SDKK 105.9m
- Dansk Isolering Sjælland ApS4
- CM Iso A/S108
- Persolit Entreprenørfirma A/S314
Latest financial year per company. Choose up to three companies from the largest in the industry.
Owners and group
from the Public Ownership Register- Masuca Holding ApS33.33%
- Thomas Jansteen Holding ApS66.67%
Management
3 active registrationsExecutive management
| Name | Role | Appointed |
|---|---|---|
| Thomas Jansteen | Director | 09/01/2023 |
Board of directors
| Name | Role | Appointed |
|---|---|---|
| Thomas Jansteen | Board member | 09/01/2023 |
| Martin Brink | Board member | 09/01/2023 |
- Founders
- Thomas Jansteen Holding ApS, Quarterbacks ApS, Masuca Holding ApS
Former management (1)
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| Steen Malmberg | Chair of the board | 09/01/2023 | 11/05/2023 |
Signing rule: Selskabet tegnes af en direktør i forening med et bestyrelsesmedlem eller af den samlede bestyrelse.
Address and production units
1 active production unitsBaldersbuen 31
2640 Hedehusene
Høje-Taastrup Municipality · Postcode 2640
Other companies at the address (1)
- Hjulster Service ApSOther repair and maintenance of motor vehicles n.e.c.
| Production unit | Address | Employees | P number |
|---|---|---|---|
| Dansk Isolering Sjælland ApS | Baldersbuen 31, Baldersbrønde, 2640 Hedehusene | 4 | 1028909698 |
Purpose
Selskabets formål er at drive virksomhed med salg af isolering og andre energibesparende produkter og løsninger samt virksomhed, der er beslægtet hermed.
The purpose is quoted from the register in Danish.
Changes year by year
17 registered events20261 changeaccounts 1
- AccountsAnnual report for 2025 published
20252 changesaccounts 1 · industry 1
- AccountsAnnual report for 2024 published
- IndustryIndustry changed to Insulation installation (432300)
20241 changeaccounts 1
- AccountsAnnual report for 2023 published
202313 changesaddress 1 · management 5 · ownership 6 · founded 1
- AddressMoved to Baldersbuen 31, Baldersbrønde, 2640 Hedehusene
- ManagementSteen Malmberg stepped down as chair of the board
- OwnershipTHOMAS JANSTEEN HOLDING ApS registered as owner (66.67%)
- OwnershipQUARTERBACKS ApS is no longer registered as owner
- OwnershipTHOMAS JANSTEEN HOLDING ApS is no longer registered as owner
- FoundedRegistered as Dansk Isolering Sjælland ApS
- ManagementSteen Malmberg appointed chair of the board
- ManagementThomas Jansteen appointed director
- ManagementThomas Jansteen appointed board member
- ManagementMartin Brink appointed board member
- OwnershipTHOMAS JANSTEEN HOLDING ApS registered as owner (33.33%)
- OwnershipQUARTERBACKS ApS registered as owner (33.33%)
- OwnershipMASUCA HOLDING ApS registered as owner (33.33%)
Related companies
Same industry in Høje-Taastrup
- ES Isolering ApS3 employees
- J.c. Isolering ApS2 employees
- Skands & Søn ApS2 employees
Same people in management
- Bilhuset Elmer A/Svia Steen Malmberg
- Puzzel A/Svia Steen Malmberg
- Kjær Knudsen A/Svia Thomas Jansteen
- Sagafjord ApSvia Steen Malmberg
- Fogtmann Logistik A/Svia Martin Brink
- Dansk Isolering ApSvia Martin Brink
Largest in the industry
- CM Iso A/SDKK 106.6m
- Persolit Entreprenørfirma A/SDKK 94.8m
- Firesafe Danmark A/SDKK 94.7m
- Grenaa Isolering A/SDKK 76.5m
- Allan Ploug A/SDKK 68m
- Klima Isolering A/SDKK 60.2m
Source and updates
The information comes from the Danish Central Business Register (Danish Business Authority) and from annual reports filed with the Danish Business Authority. Last synchronised 24/10/2026. The company is protected against advertising; contact details are not shown, and the data must not be used for marketing.