M.Hartmann ApS
Private limited companyCVR 45879771SlagelseActive
M.Hartmann ApS is a private limited company, based in Slagelse, active in electrical installation, founded in 2025. The company is new and has been registered for 1 years.
What has changed
calculated from recorded figures and datesManagement and owners, last 24 months
- New in management: Mikkel Janech Hartmann (director, 10/09/2025) and Magnus Juel Irmark Petersen (director, 01/10/2025).
- Stepped down: Magnus Juel Irmark Petersen (director, 13/02/2026).
- New owners registered: Mikkel Janech Hartmann (10/09/2025) and Magnus Juel Irmark Petersen (10/09/2025).
- No longer registered as owner: Magnus Juel Irmark Petersen (13/02/2026).
Registrations, last 24 months
- 08/07/2026: Name changed from MM Solceller ApS to M.Hartmann ApS
- 19/02/2026: Moved to Valbyvej 67B, 4200 Slagelse
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.
Employees
monthly figures from CVRCompare with the industry
Electrical installation- M.Hartmann ApS–
- Bravida Danmark A/SDKK 2.1bn
- Kemp & Lauritzen A/SDKK 2bn
- M.Hartmann ApS–
- Bravida Danmark A/SDKK 160.3m
- Kemp & Lauritzen A/SDKK 2.6m
- M.Hartmann ApS–
- Bravida Danmark A/SDKK 629m
- Kemp & Lauritzen A/SDKK 588.4m
- M.Hartmann ApS2
- Bravida Danmark A/S3,163
- Kemp & Lauritzen A/S2,868
Latest financial year per company. Choose up to three companies from the largest in the industry.
Owners and group
from the Public Ownership Register- Mikkel Janech Hartmann100%
Management
1 active registrationsExecutive management
| Name | Role | Appointed |
|---|---|---|
| Mikkel Janech Hartmann | Director | 10/09/2025 |
- Founders
- Mikkel Janech Hartmann, Magnus Juel Irmark Petersen
Former management (1)
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| Magnus Juel Irmark Petersen | Director | 01/10/2025 | 13/02/2026 |
Signing rule: Selskabet tegnes af en direktør.
Address and production units
1 active production unitsValbyvej 67B
4200 Slagelse
| Production unit | Address | Employees | P number |
|---|---|---|---|
| M.Hartmann ApS | Valbyvej 67B, 4200 Slagelse | 2 | 1031665333 |
Purpose
Selskabets formål er at udøve virksomhed med handel og service samt aktiviteter i tilknytning hertil.
The purpose is quoted from the register in Danish.
Changes year by year
9 registered events20264 changesname 1 · address 1 · management 1 · ownership 1
- NameName changed from MM Solceller ApS to M.Hartmann ApS
- AddressMoved to Valbyvej 67B, 4200 Slagelse
- ManagementMagnus Juel Irmark Petersen stepped down as director
- OwnershipMagnus Juel Irmark Petersen is no longer registered as owner
20255 changesmanagement 2 · founded 1 · ownership 2
- ManagementMagnus Juel Irmark Petersen appointed director
- FoundedRegistered as MM Solceller ApS
- ManagementMikkel Janech Hartmann appointed director
- OwnershipMagnus Juel Irmark Petersen registered as owner (50%)
- OwnershipMikkel Janech Hartmann registered as owner (100%)
Related companies
Same industry in Slagelse
- Svend Aage Nielsen. Autoriseret El-installatør A/S61 employees
- A/S Aage Langkjær32 employees
- Dalmose El-service A/S29 employees
- El-gruppen A/S18 employees
- Demuth Installation ApS9 employees
- JJ Work ApS6 employees
Largest in the industry
- Bravida Danmark A/SDKK 2.1bn
- Kemp & Lauritzen A/SDKK 2bn
- Elcon A/SDKK 596.5m
- Caverion Danmark A/SDKK 380.8m
- Eltel Networks A/SDKK 325.1m
- Uggerly Installation A/SDKK 305m
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.