Duo Teknik ApS
Private limited companyCVR 41380349HvidovreActive
Duo Teknik ApS is a private limited company, based in Hvidovre, active in plumbing, heat and air-conditioning installation, founded in 2020. The company went from a profit in 2024 to a loss of DKK 219k in 2025. Equity fell to DKK 835k in 2025.
Key figures · financial year 2025
What has changed
calculated from recorded figures and datesFinancials: 2025 against 2024
- Gross profit fell 37% (2024 → 2025), to DKK 1.6m.
- Net profit went from a profit of DKK 53,254 to a loss of DKK 219k (2024 → 2025).
- Equity fell 24% (2024 → 2025), to DKK 835k.
Registrations, last 24 months
- 01/01/2025: Industry changed to Plumbing, heat and air-conditioning installation (432200)
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 2021–2025 · amounts in DKK thousandEquity and net profit
| 2021 | 2022 | 2023 | 2024 | 2025 | Change | |
|---|---|---|---|---|---|---|
| Revenue | not stated | not stated | not stated | not stated | not stated | – |
| Gross profit | 3,150 | 2,610 | 2,841 | 2,614 | 1,644 | −37.1% |
| Operating profit (EBIT) | 468 | 271 | 588 | 73 | −275 | −477% |
| Profit before tax | 453 | 267 | 577 | 70 | −282 | −500.1% |
| Net profit | 353 | 209 | 448 | 53 | −219 | −510.4% |
| Total assets | 1,462 | 1,620 | 2,229 | 1,975 | 1,288 | −34.8% |
| Equity | 393 | 603 | 1,050 | 1,103 | 835 | −24.3% |
| Liabilities | 1,069 | 1,017 | 1,179 | 872 | 453 | −48% |
| Cash and cash equivalents | 425 | 263 | 1,016 | 337 | 0 | −100% |
| Average number of employees | 5 | 6 | 6 | 7 | 6 | −14.3% |
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 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
5 financial years| Financial year | Period | Published | Figures for | Documents |
|---|---|---|---|---|
| 2025 | 01/09/2024 – 31/08/2025 | 23/12/2025 | The company | PDF not statedXBRL |
| 2024 | 01/09/2023 – 31/08/2024 | 07/12/2024 | The company | PDF not statedXBRL |
| 2023 | 01/09/2022 – 31/08/2023 | 27/10/2023 | The company | PDF not statedXBRL |
| 2022 | 01/09/2021 – 31/08/2022 | 25/10/2022 | The company | PDF not statedXBRL |
| 2021 | 22/05/2020 – 31/08/2021 | 28/01/2022 | The company | PDF not statedXBRL |
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
1,357 companies in the databaseComparison with the other companies in plumbing, heat and air-conditioning installation based on the latest financial year.
Industry median: gross profit DKK 3.3m, net profit DKK 316k, equity DKK 1.3m, 5 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. 35,007of 69,742 Better than 50% | No. 36,016of 69,964 Better than 49% |
| Same industry and fewer than 20 employees1,152 companies in the comparison | No. 802of 1,152 Better than 30% | No. 667of 1,152 Better than 42% |
| Companies that are between 5 and 14 years old33,688 companies in the comparison | No. 18,779of 33,588 Better than 44% | No. 16,660of 33,687 Better than 51% |
| All companies of type ApS66,508 companies in the comparison | No. 33,822of 66,379 Better than 49% | No. 31,864of 66,505 Better than 52% |
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
Plumbing, heat and air-conditioning installation- Duo Teknik ApSDKK 1.6m
- Wicotec Kirkebjerg A/SDKK 419.7m
- Andersen & Heegaard A/SDKK 391.6m
- Duo Teknik ApS−DKK 219k
- Wicotec Kirkebjerg A/SDKK 115.1m
- Andersen & Heegaard A/SDKK 32.5m
- Duo Teknik ApSDKK 835k
- Wicotec Kirkebjerg A/SDKK 494.9m
- Andersen & Heegaard A/SDKK 88.2m
- Duo Teknik ApS5
- Wicotec Kirkebjerg A/S1,495
- Andersen & Heegaard A/S251
Latest financial year per company. Choose up to three companies from the largest in the industry.
Owners and group
from the Public Ownership Register- Daniel Stahl Holding ApS50%
- Ronni Gyldenbro Holding ApS50%
Management
2 active registrationsExecutive management
| Name | Role | Appointed |
|---|---|---|
| Daniel Stahl Hansen | Director | 22/05/2020 |
| Ronni Kihlgast Gyldenbro | Director | 22/05/2020 |
- Founders
- Daniel Stahl Holding ApS, Ronni Gyldenbro Holding ApS
Signing rule: Selskabet tegnes af en direktør alene.
Address and production units
1 active production unitsPlanteheldvej 23
2650 Hvidovre
Hvidovre Municipality · Postcode 2650
Other companies at the address (1)
- Kihlgast Ejendomme ApSRenting of commercial property
| Production unit | Address | Employees | P number |
|---|---|---|---|
| Duo Teknik ApS | Planteheldvej 23, 2650 Hvidovre | 4 | 1025853713 |
Purpose
Selskabets formål er produktion og salg af vvs og el omfattende ydelser og produkter.
The purpose is quoted from the register in Danish.
Changes year by year
11 registered events20252 changesaccounts 1 · industry 1
- AccountsAnnual report for 2025 published
- IndustryIndustry changed to Plumbing, heat and air-conditioning installation (432200)
20241 changeaccounts 1
- AccountsAnnual report for 2024 published
20231 changeaccounts 1
- AccountsAnnual report for 2023 published
20222 changesaccounts 2
- AccountsAnnual report for 2022 published
- AccountsAnnual report for 2021 published
20205 changesfounded 1 · management 2 · ownership 2
- FoundedRegistered as Duo Teknik ApS
- ManagementDaniel Stahl Hansen appointed director
- ManagementRonni Kihlgast Gyldenbro appointed director
- OwnershipDaniel Stahl Holding ApS registered as owner (50%)
- OwnershipRonni Gyldenbro Holding ApS registered as owner (50%)
Related companies
Same industry in Hvidovre
- Vest VVS ApS53 employees
- K. Holmgreen & Søn ApS34 employees
- Kkn ApS24 employees
- LT VVS A/S24 employees
- Ørbæk Køleteknik ApS23 employees
- AP Køleservice ApS14 employees
Same people in management
- Kihlgast Ejendomme ApSvia Daniel Stahl Hansen
Largest in the industry
- Wicotec Kirkebjerg A/SDKK 419.7m
- Andersen & Heegaard A/SDKK 391.6m
- Dtek A/SDKK 166.5m
- John Jensen VVS A/SDKK 143.5m
- Når A/SDKK 139.2m
- Gunnar Kristensen VVS A/SDKK 110.3m
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.