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.
Key figures · financial year 2025
What has changed
calculated from recorded figures and datesFinancials: 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 thousandEquity and net profit
| 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Change | |
|---|---|---|---|---|---|---|---|
| Revenue | not stated | not stated | not stated | not stated | not stated | not stated | – |
| Gross profit | 13,116 | 15,680 | 18,171 | 19,692 | 16,446 | 12,199 | −25.8% |
| Operating profit (EBIT) | – | 1,400 | 1,574 | 4,824 | −959 | 300 | +131.3% |
| Profit before tax | 832 | 1,365 | 1,541 | 4,794 | −997 | 322 | +132.3% |
| Net profit | 646 | 1,060 | 1,211 | 3,738 | −810 | 251 | +131% |
| Total assets | 15,729 | 16,055 | 17,703 | 22,915 | 21,647 | 20,043 | −7.4% |
| Equity | 8,050 | 8,110 | 8,221 | 11,959 | 9,149 | 9,400 | +2.7% |
| Liabilities | 7,658 | 7,945 | 9,482 | 10,956 | 8,618 | 6,762 | −21.5% |
| Cash and cash equivalents | 2,869 | 740 | 746 | 7,176 | 5,327 | 5,708 | +7.1% |
| Average number of employees | 28 | 29 | 35 | 29 | 21 | 19 | −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
Annual reports
6 financial years| Financial year | Period | Published | Figures for | Documents |
|---|---|---|---|---|
| 2025 | 01/01/2025 – 31/12/2025 | 06/05/2026 | The company | PDF not statedXBRL |
| 2024 | 01/01/2024 – 31/12/2024 | 01/07/2025 | The company | PDFXBRL |
| 2023 | 01/01/2023 – 31/12/2023 | 06/06/2024 | The company | PDFXBRL |
| 2022 | 01/01/2022 – 31/12/2022 | 04/05/2023 | The company | PDFXBRL |
| 2021 | 01/01/2021 – 31/12/2021 | 28/04/2022 | The company | PDFXBRL |
| 2020 | 01/01/2020 – 31/12/2020 | 25/02/2021 | 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
174 companies in the databaseComparison with the other companies in other building and industrial cleaning activities n.e.c. based on the latest financial year.
Industry median: gross profit DKK 2.3m, net profit DKK 99,196, equity DKK 429k, 4 employees.
Compared with similar companies
size, age and company form| Group | Gross profit | Equity |
|---|---|---|
| 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.- Effektiv Byg A/SDKK 12.2m
- BELFOR Denmark A/SDKK 292.1m
- Polygon A/SDKK 156.1m
- Effektiv Byg A/SDKK 251k
- BELFOR Denmark A/S−DKK 95.7m
- Polygon A/S−DKK 1.5m
- Effektiv Byg A/SDKK 9.4m
- BELFOR Denmark A/SDKK 638.6m
- Polygon A/SDKK 189.9m
- Effektiv Byg A/S20
- BELFOR Denmark A/S420
- 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- Stoustrup Group ApS100%
Management
4 active registrationsExecutive management
| Name | Role | Appointed |
|---|---|---|
| Mikael Stoustrup Rasmussen | CEO | 24/02/2014 |
Board of directors
| Name | Role | Appointed |
|---|---|---|
| Mikael Stoustrup Rasmussen | Board member | 01/01/2009 |
| Klaus Juel Rasmussen | Chair of the board | 01/11/2025 |
| Allan Larsen | Board member | 21/07/2026 |
- Founders
- Børge Stoustrup, A.h. Projektudvikling ApS, Stoustrup Group ApS, Vang-olsen Ejendomme ApS
Former management (9)
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| Arne Højgaard Hansen | Chair of the board | 01/01/2009 | 20/05/2010 |
| Henrik Vang-Olsen | Board member | 01/01/2009 | 21/07/2026 |
| Henrik Vang-Olsen | Director | 01/01/2009 | 22/05/2018 |
| Børge Stoustrup | Director | 01/01/2009 | 01/01/2009 |
| Børge Stoustrup | Chair of the board | 20/05/2010 | 26/10/2012 |
| Søren Gertsen | Board member | 30/05/2011 | 22/05/2018 |
| Anders Schönau | Board member | 26/10/2012 | 22/05/2018 |
| Peter Grønne | Chair of the board | 09/11/2012 | 01/11/2025 |
| Martin Aalling | CEO | 01/12/2012 | 24/02/2014 |
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 unitsLøjtoftevej 27
4900 Nakskov
Lolland Municipality · Postcode 4900
Other companies at the address (1)
- Nakskov Låseservice ApSOther construction installation
| Production unit | Address | Employees | P number |
|---|---|---|---|
| Effektiv Byg A/S | Løjtoftevej 27, 4900 Nakskov | 20 | 1015105395 |
| Karlslunde | Notgangen 6, 2690 Karlslunde | 1 | 1021253959 |
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 events20265 changesownership 2 · management 2 · accounts 1
- OwnershipStoustrup Group ApS registered as owner (100%)
- OwnershipN Gruppen ApS is no longer registered as owner
- ManagementAllan Larsen appointed board member
- ManagementHenrik Vang-Olsen stepped down as board member
- AccountsAnnual report for 2025 published
20254 changesmanagement 2 · accounts 1 · industry 1
- ManagementKlaus Juel Rasmussen appointed chair of the board
- ManagementPeter Grønne stepped down as chair of the board
- AccountsAnnual report for 2024 published
- IndustryIndustry changed to Other building and industrial cleaning activities n.e.c. (812290)
20241 changeaccounts 1
- AccountsAnnual report for 2023 published
20231 changeaccounts 1
- AccountsAnnual report for 2022 published
20221 changeaccounts 1
- AccountsAnnual report for 2021 published
20216 changesname 1 · ownership 4 · accounts 1
- NameName changed from EFFEKTIV BYGGE- & SKADESERVICE A/S to Effektiv Byg A/S
- OwnershipN Gruppen ApS registered as owner (100%)
- OwnershipPG.DK HOLDING ApS is no longer registered as owner
- OwnershipStoustrup Group ApS is no longer registered as owner
- OwnershipVANG-OLSEN EJENDOMME ApS is no longer registered as owner
- AccountsAnnual report for 2020 published
20184 changesaddress 1 · management 3
- AddressMoved to Løjtoftevej 27, 4900 Nakskov
- ManagementAnders Schönau stepped down as board member
- ManagementSøren Gertsen stepped down as board member
- ManagementHenrik Vang-Olsen stepped down as director
20142 changesmanagement 2
- ManagementMikael Stoustrup Rasmussen appointed ceo
- ManagementMartin Aalling stepped down as ceo
20135 changesname 1 · capital 1 · ownership 3
- NameName changed from EFFEKTIV SKADESERVICE LF ApS to EFFEKTIV BYGGE- & SKADESERVICE A/S
- CapitalShare capital changed from 126,000 DKK to 500,000 DKK
- OwnershipPG.DK HOLDING ApS registered as owner (25%)
- OwnershipStoustrup Group ApS registered as owner (33.33%)
- OwnershipVANG-OLSEN EJENDOMME ApS registered as owner (33.33%)
20125 changesmanagement 4 · address 1
- ManagementMartin Aalling appointed ceo
- ManagementPeter Grønne appointed chair of the board
- ManagementAnders Schönau appointed board member
- ManagementBørge Stoustrup stepped down as chair of the board
- AddressMoved to Løjtoftevej 27, 4900 Nakskov
20111 changemanagement 1
- ManagementSøren Gertsen appointed board member
20102 changesmanagement 2
- ManagementBørge Stoustrup appointed chair of the board
- ManagementArne Højgaard Hansen stepped down as chair of the board
20099 changesindustry 2 · founded 1 · management 6
- IndustryIndustry changed to Other building and industrial cleaning activities n.e.c. (812290)
- IndustryIndustry changed to Anden bygge- og anlægsvirksomhed, som kræver specialisering (439990)
- FoundedRegistered as EFFEKTIV SKADESERVICE LF ApS
- ManagementBørge Stoustrup appointed director
- ManagementBørge Stoustrup stepped down as director
- ManagementHenrik Vang-Olsen appointed director
- ManagementHenrik Vang-Olsen appointed board member
- ManagementMikael Stoustrup Rasmussen appointed board member
- ManagementArne Højgaard Hansen appointed chair of the board
Related companies
Same people in management
- Alfa Laval Nakskov A/Svia Søren Gertsen
- Markgraf ApSvia Klaus Juel Rasmussen
- Lolland Forsyning A/Svia Søren Gertsen
- Csis Security Group A/Svia Klaus Juel Rasmussen
- Dwarf A/Svia Peter Grønne
- Aspektrum ApSvia Klaus Juel Rasmussen
Largest in the industry
- BELFOR Denmark A/SDKK 292.1m
- Polygon A/SDKK 156.1m
- Tekniclean A/SDKK 134.6m
- Attent Facility Services A/SDKK 80.6m
- Rengøringsagenterne ApSDKK 62m
- Racoon Facility A/SDKK 58.9m
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.