Effektiv Byg A/S

Public limited companyCVR 29817928NakskovActive

Effektiv Byg A/S is a public limited company, based in Nakskov, active in other building and industrial cleaning activities n.e.c., founded in 2009. After a loss in 2024, the company made a profit of DKK 251k in 2025. With 20 employees, the company is about 5 times larger than the industry median. Gross profit is higher than that of 88% of the companies in the industry in the database.

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Key figures · financial year 2025

Gross profitDKK 12.2m−25.8% vs. 2024
Net profitDKK 251k+131% vs. 2024
EquityDKK 9.4m+2.7% vs. 2024
Employees20latest month from CVR

What has changed

calculated from recorded figures and dates

Financials: 2025 against 2024

  • Gross profit fell 26% (2024 → 2025), to DKK 12.2m.
  • Net profit went from a loss of DKK 810k to a profit of DKK 251k (2024 → 2025).
  • Equity rose 3% (2024 → 2025), to DKK 9.4m.

Employees

  • 2 fewer employees than a year earlier: 20 (08/2026) against 22 (08/2025).

Management and owners, last 24 months

  • New in management: Klaus Juel Rasmussen (chair of the board, 01/11/2025) and Allan Larsen (board member, 21/07/2026).
  • Stepped down: Henrik Vang-Olsen (board member, 21/07/2026) and Peter Grønne (chair of the board, 01/11/2025).
  • New owners registered: Stoustrup Group ApS (17/08/2026).
  • No longer registered as owner: N Gruppen ApS (17/08/2026).

Registrations, last 24 months

  • 01/01/2025: Industry changed to Other building and industrial cleaning activities n.e.c. (812290)

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 2mDKK 0DKK 2mDKK 4mDKK 6mDKK 8mDKK 10mDKK 12m202020212022202320242025
EquityNet profit
Financial figures for Effektiv Byg A/S
202020212022202320242025Change
Revenuenot statednot statednot statednot statednot statednot stated–
Gross profit13,11615,68018,17119,69216,44612,199−25.8%
Operating profit (EBIT)–1,4001,5744,824−959300+131.3%
Profit before tax8321,3651,5414,794−997322+132.3%
Net profit6461,0601,2113,738−810251+131%
Total assets15,72916,05517,70322,91521,64720,043−7.4%
Equity8,0508,1108,22111,9599,1499,400+2.7%
Liabilities7,6587,9459,48210,9568,6186,762−21.5%
Cash and cash equivalents2,8697407467,1765,3275,708+7.1%
Average number of employees282935292119−9.5%

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 2mDKK 4mDKK 6mDKK 8mDKK 10mDKK 12mDKK 14mDKK 16mDKK 18mDKK 20m202020212022202320242025
Gross profitMedian, the industry (174 companies)

Annual reports

6 financial years
Annual reports for Effektiv Byg A/S
Financial yearPeriodPublishedFigures forDocuments
202501/01/2025 – 31/12/202506/05/2026The companyPDF not statedXBRL
202401/01/2024 – 31/12/202401/07/2025The companyPDFXBRL
202301/01/2023 – 31/12/202306/06/2024The companyPDFXBRL
202201/01/2022 – 31/12/202204/05/2023The companyPDFXBRL
202101/01/2021 – 31/12/202128/04/2022The companyPDFXBRL
202001/01/2020 – 31/12/202025/02/2021The 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
05101520253009/2310/2311/2312/2301/2402/2403/2404/2405/2406/2407/2408/2409/2410/2411/2412/2401/2502/2503/2504/2505/2506/2507/2508/2509/2510/2511/2512/2501/2602/2603/2604/2605/2606/2607/2608/26
Employees

Position in the industry

174 companies in the database

Comparison with the other companies in other building and industrial cleaning activities n.e.c. based on the latest financial year.

Gross profitDKK 12.2mNo. 22 of 174
Better than 88% of the companies in the industry
EquityDKK 9.4mNo. 11 of 174
Better than 94% of the companies in the industry
Number of employees20No. 25 of 174
Better than 86% of the companies in the industry

Industry median: gross profit DKK 2.3m, net profit DKK 99,196, equity DKK 429k, 4 employees.

DKK 100kDKK 735kDKK 5.4mDKK 39.7mDKK 150.2mHere
Distribution of gross profit for 169 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 20–49 employees9,922 companies in the comparison
No. 5,047of 9,892
Better than 49%
No. 3,246of 9,922
Better than 67%
Same industry and 20–49 employees25 companies in the comparison
No. 5of 25
Better than 83%
No. 2of 25
Better than 96%
Companies that are between 15 and 29 years old24,910 companies in the comparison
No. 5,127of 24,791
Better than 79%
No. 6,957of 24,909
Better than 72%
All companies of type A/S18,025 companies in the comparison
No. 8,096of 17,786
Better than 54%
No. 9,004of 18,024
Better than 50%

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

Other building and industrial cleaning activities n.e.c.
Gross profit
  1. Effektiv Byg A/SDKK 12.2m
  2. BELFOR Denmark A/SDKK 292.1m
  3. Polygon A/SDKK 156.1m
Net profit
  1. Effektiv Byg A/SDKK 251k
  2. BELFOR Denmark A/S−DKK 95.7m
  3. Polygon A/S−DKK 1.5m
Equity
  1. Effektiv Byg A/SDKK 9.4m
  2. BELFOR Denmark A/SDKK 638.6m
  3. Polygon A/SDKK 189.9m
Employees
  1. Effektiv Byg A/S20
  2. BELFOR Denmark A/S420
  3. Polygon A/S409

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
  • Stoustrup Group ApS100%
Effektiv Byg A/S

Management

4 active registrations

Executive management

Executive management at Effektiv Byg A/S
NameRoleAppointed
Mikael Stoustrup RasmussenCEO24/02/2014

Board of directors

Board of directors at Effektiv Byg A/S
NameRoleAppointed
Mikael Stoustrup RasmussenBoard member01/01/2009
Klaus Juel RasmussenChair of the board01/11/2025
Allan LarsenBoard member21/07/2026
Founders
Børge Stoustrup, A.h. Projektudvikling ApS, Stoustrup Group ApS, Vang-olsen Ejendomme ApS
Former management (9)
Former management at Effektiv Byg A/S
NameRoleAppointedResigned
Arne Højgaard HansenChair of the board01/01/200920/05/2010
Henrik Vang-OlsenBoard member01/01/200921/07/2026
Henrik Vang-OlsenDirector01/01/200922/05/2018
Børge StoustrupDirector01/01/200901/01/2009
Børge StoustrupChair of the board20/05/201026/10/2012
Søren GertsenBoard member30/05/201122/05/2018
Anders SchönauBoard member26/10/201222/05/2018
Peter GrønneChair of the board09/11/201201/11/2025
Martin AallingCEO01/12/201224/02/2014

Signing rule: Selskabet tegnes af den samlede direktion i forening eller af 2 direktører og bestyrelsens formand i forening.

Address and production units

2 active production units

Løjtoftevej 27
4900 Nakskov

Lolland Municipality · Postcode 4900

Other companies at the address (1)

Production units
Production unitAddressEmployeesP number
Effektiv Byg A/SLøjtoftevej 27, 4900 Nakskov201015105395
KarlslundeNotgangen 6, 2690 Karlslunde11021253959

Purpose

Selskabets formål er at drive aktiviteter indenfor skadeservice, entreprise og byggeri samt efter bestyrelsens skøn hermed beslægtet virksomhed.

The purpose is quoted from the register in Danish.

Changes year by year

46 registered events
20265 changesownership 2 · management 2 · accounts 1
  • Stoustrup Group ApS registered as owner (100%)
  • N Gruppen ApS is no longer registered as owner
  • Allan Larsen appointed board member
  • Henrik Vang-Olsen stepped down as board member
  • Annual report for 2025 published
20254 changesmanagement 2 · accounts 1 · industry 1
  • Klaus Juel Rasmussen appointed chair of the board
  • Peter Grønne stepped down as chair of the board
  • Annual report for 2024 published
  • Industry changed to Other building and industrial cleaning activities n.e.c. (812290)
20241 changeaccounts 1
  • Annual report for 2023 published
20231 changeaccounts 1
  • Annual report for 2022 published
20221 changeaccounts 1
  • Annual report for 2021 published
20216 changesname 1 · ownership 4 · accounts 1
  • Name changed from EFFEKTIV BYGGE- & SKADESERVICE A/S to Effektiv Byg A/S
  • N Gruppen ApS registered as owner (100%)
  • PG.DK HOLDING ApS is no longer registered as owner
  • Stoustrup Group ApS is no longer registered as owner
  • VANG-OLSEN EJENDOMME ApS is no longer registered as owner
  • Annual report for 2020 published
20184 changesaddress 1 · management 3
  • Moved to Løjtoftevej 27, 4900 Nakskov
  • Anders Schönau stepped down as board member
  • Søren Gertsen stepped down as board member
  • Henrik Vang-Olsen stepped down as director
20142 changesmanagement 2
  • Mikael Stoustrup Rasmussen appointed ceo
  • Martin Aalling stepped down as ceo
20135 changesname 1 · capital 1 · ownership 3
  • Name changed from EFFEKTIV SKADESERVICE LF ApS to EFFEKTIV BYGGE- & SKADESERVICE A/S
  • Share capital changed from 126,000 DKK to 500,000 DKK
  • PG.DK HOLDING ApS registered as owner (25%)
  • Stoustrup Group ApS registered as owner (33.33%)
  • VANG-OLSEN EJENDOMME ApS registered as owner (33.33%)
20125 changesmanagement 4 · address 1
  • Martin Aalling appointed ceo
  • Peter Grønne appointed chair of the board
  • Anders Schönau appointed board member
  • Børge Stoustrup stepped down as chair of the board
  • Moved to Løjtoftevej 27, 4900 Nakskov
20111 changemanagement 1
  • Søren Gertsen appointed board member
20102 changesmanagement 2
  • Børge Stoustrup appointed chair of the board
  • Arne Højgaard Hansen stepped down as chair of the board
20099 changesindustry 2 · founded 1 · management 6
  • Industry changed to Other building and industrial cleaning activities n.e.c. (812290)
  • Industry changed to Anden bygge- og anlægsvirksomhed, som kræver specialisering (439990)
  • Registered as EFFEKTIV SKADESERVICE LF ApS
  • Børge Stoustrup appointed director
  • Børge Stoustrup stepped down as director
  • Henrik Vang-Olsen appointed director
  • Henrik Vang-Olsen appointed board member
  • Mikael Stoustrup Rasmussen appointed board member
  • Arne Højgaard Hansen appointed chair of the board

Related companies

Same people in management

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.

View in CVRReport a correction