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Per Worm Isolering ApS

Private limited companyCVR 28720173SlagelseActive

Per Worm Isolering ApS is a private limited company, based in Slagelse, active in insulation installation, founded in 2005. After a loss in 2024, the company made a profit of DKK 790k in 2025. Equity grew to DKK 1.3m in 2025.

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Key figures · financial year 2025

Gross profitDKK 2.1m+89.7% vs. 2024
Net profitDKK 790k+501.5% vs. 2024
EquityDKK 1.3m+165.3% vs. 2024
Employees3latest month from CVR

What has changed

calculated from recorded figures and dates

Financials: 2025 against 2024

  • Gross profit rose 90% (2024 → 2025), to DKK 2.1m.
  • Net profit went from a loss of DKK 197k to a profit of DKK 790k (2024 → 2025).
  • Equity rose 165% (2024 → 2025), to DKK 1.3m.

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 2020–2025 · amounts in DKK thousand

Equity and net profit

−DKK 400k−DKK 200kDKK 0DKK 200kDKK 400kDKK 600kDKK 800kDKK 1mDKK 1.2m202020212022202320242025
EquityNet profit
Financial figures for Per Worm Isolering ApS
202020212022202320242025Change
Revenuenot statednot statednot statednot statednot statednot stated–
Gross profit1,6201,7751,5881,4531,1282,139+89.7%
Operating profit (EBIT)55031633−309−234916+492.2%
Profit before tax54130827−350−246915+472.1%
Net profit50423620−283−197790+501.5%
Total assets1,6542,0061,8121,5958301,847+122.5%
Equity8711,0511,0156754781,268+165.3%
Liabilities746846681871352578+64%
Cash and cash equivalents33929122312215838+289.7%
Average number of employees343320−100%

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 2020, 2021, 2022, 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

DKK 0DKK 500kDKK 1mDKK 1.5mDKK 2mDKK 2.5m202020212022202320242025
Gross profitMedian, the industry (179 companies)

Annual reports

6 financial years
Annual reports for Per Worm Isolering ApS
Financial yearPeriodPublishedFigures forDocuments
202501/07/2024 – 30/06/202518/12/2025The companyPDF not statedXBRL
202401/07/2023 – 30/06/202415/01/2025The companyPDFXBRL
202301/07/2022 – 30/06/202303/01/2024The companyPDFXBRL
202201/07/2021 – 30/06/202213/12/2022The companyPDFXBRL
202101/07/2020 – 30/06/202109/12/2021The companyPDFXBRL
202001/07/2019 – 30/06/202025/11/2020The companyPDFXBRL

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 CVR
0123409/2310/2311/2312/2301/2402/2403/2404/2405/2406/2407/2408/2409/2410/2411/2412/2401/2502/2503/2504/2505/2506/2507/2508/2509/2510/2511/2512/2501/2602/2603/2604/2605/2606/2607/2608/26
Employees

Position in the industry

179 companies in the database

Comparison with the other companies in insulation installation based on the latest financial year.

Gross profitDKK 2.1mNo. 95 of 179
Better than 47% of the companies in the industry
EquityDKK 1.3mNo. 63 of 179
Better than 65% of the companies in the industry
Number of employees3No. 167 of 179
Better than 7% of the companies in the industry

Industry median: gross profit DKK 2.3m, net profit DKK 200k, equity DKK 720k, 4 employees.

DKK 100kDKK 571kDKK 3.3mDKK 18.7mDKK 59.7mHere
Distribution of gross profit for 172 companies in the industry (latest financial year, logarithmic scale). Amber bar: where this company sits.

Compared with similar companies

size, age and company form
Rank among similar companies
GroupGross profitEquity
Companies with fewer than 20 employees69,967 companies in the comparison
No. 29,527of 69,742
Better than 58%
No. 30,458of 69,964
Better than 56%
Same industry and fewer than 20 employees166 companies in the comparison
No. 82of 166
Better than 51%
No. 51of 166
Better than 70%
Companies that are between 15 and 29 years old24,910 companies in the comparison
No. 15,102of 24,791
Better than 39%
No. 16,984of 24,909
Better than 32%
All companies of type ApS66,508 companies in the comparison
No. 28,694of 66,379
Better than 57%
No. 26,393of 66,505
Better than 60%

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
Gross profit
  1. Per Worm Isolering ApSDKK 2.1m
  2. CM Iso A/SDKK 106.6m
  3. Persolit Entreprenørfirma A/SDKK 94.8m
Net profit
  1. Per Worm Isolering ApSDKK 790k
  2. CM Iso A/SDKK 28.8m
  3. Persolit Entreprenørfirma A/SDKK 20.4m
Equity
  1. Per Worm Isolering ApSDKK 1.3m
  2. CM Iso A/SDKK 39.6m
  3. Persolit Entreprenørfirma A/SDKK 105.9m
Employees
  1. Per Worm Isolering ApS3
  2. CM Iso A/S108
  3. 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
Owners
  • Per Worm100%
Per Worm Isolering ApS

Management

1 active registrations

Executive management

Executive management at Per Worm Isolering ApS
NameRoleAppointed
Per WormManaging director06/06/2005
Founders
Helle Karsberg

Signing rule: Selskabet tegnes af en direktør.

Address and production units

1 active production units

Gl.Holbækvej 8
4200 Slagelse

Slagelse Municipality · Postcode 4200

Production units
Production unitAddressEmployeesP number
PER WORM ISOLERING ApSGl.Holbækvej 8, 4200 Slagelse31008737777

Purpose

Selskabets formål er at drive isoleringsvirksomhed og dermed beslægtet virksomhed.

The purpose is quoted from the register in Danish.

Changes year by year

16 registered events
20253 changesaccounts 2 · industry 1
  • Annual report for 2025 published
  • Annual report for 2024 published
  • Industry changed to Insulation installation (432300)
20241 changeaccounts 1
  • Annual report for 2023 published
20231 changeaddress 1
  • Moved to Gl.Holbækvej 8, 4200 Slagelse
20221 changeaccounts 1
  • Annual report for 2022 published
20211 changeaccounts 1
  • Annual report for 2021 published
20201 changeaccounts 1
  • Annual report for 2020 published
20172 changesownership 2
  • Per Worm registered as owner (100%)
  • Helle Karsberg is no longer registered as owner
20151 changeaddress 1
  • Moved to Valbyvej 23B, 4200 Slagelse
20081 changeindustry 1
  • Industry changed to Anden bygningsinstallationsvirksomhed (432900)
20071 changeaddress 1
  • Moved to Østerbro 25, 4200 Slagelse
20053 changesfounded 1 · management 1 · ownership 1
  • Registered as PER WORM ISOLERING ApS
  • Per Worm appointed managing director
  • Helle Karsberg registered as owner (100%)

Related companies

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.

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