COMPANY PROFILE
Rosenberg GmbH
GmbH (Limited Liability Company)OlsbergPlumbing, heat and air-conditioning installation
REGISTERED SINCE
1998
27+ years registered
TRADE REGISTER
HRB 3883
Arnsberg
INDUSTRY
Plumbing, heat and air-conditioning installation
SIZE CLASS
Small enterprise
Key questions answered
What does the company do?
Die Ausführung von haustechnischen Anlagen im Bereich Sanitär, Heizung und Klima sowie die Eindeckung von Gebäuden in Klempnertechnik.
Original text from the German commercial register
Who leads it?
Franz-Josef Happel, Lukas Happel
How large is it?
Small enterprise
How stable is it?
Stability assessment in the full profile
Business activity
Industry (WZ2008)
Plumbing, heat and air-conditioning installation
WZ F43.22
Size class
Small
Industry (WZ2008) (2)
- F43.22Plumbing, heat and air-conditioning installation
- F43.99Other specialised construction activities n.e.c.
Business purpose
Die Ausführung von haustechnischen Anlagen im Bereich Sanitär, Heizung und Klima sowie die Eindeckung von Gebäuden in Klempnertechnik.
Original text from the German commercial register
Legal essentials
- Register entry
- HRB 3883 (Arnsberg)
- Legal form
- GmbH (Limited Liability Company)
- Registered since
- 25 Nov 1998
- Share capital
- —
- VAT ID
- —
- LEI
- —
- Representation rules
- Available in the full profile
Order shareholder list
The statutory shareholder list (§ 40 GmbHG) straight from the official register portal — who holds which shares.
Your first 10 documents are included in the free starter credit. After that, 10 Implicents per document, only if found.
Sign up free and downloadAnnual statements
- Balance sheet
- €1.6M
- Year
- 2023
11 annual statements are on file for this company.
Annual financial statements (PDF)
The most recently published annual financial statements as a PDF, straight from the German company register.
Included in the free account's starter credit, then 10 Implicents, only if found.
Sign up free and downloadSignals
Four dimensions from hard data — age, financials, register events, compliance. The ratings themselves are in the full profile.
- Continuity1Available in the full profile
- Financials2Available in the full profile
- Management3Available in the full profile
- Legal status4Available in the full profile
Directors & officers
Managing directors
Franz-Josef Happel
Managing Director
Lukas Happel
Managing Director
Research contacts
AI-powered research for publicly available contacts: name, role, phone, email, LinkedIn.
Available once you sign in
Recent news
AI-powered research across press, social media and job postings from the last six months.
Available once you sign in
Companies with a similar profile
H.-U. Schwenkner GmbH
Flensburg
Grimm GmbH Sanitär- und Heizungsbau, Klempnerei
Villingen-Schwenningen
Siegfried Lipski GmbH
Duisburg
Location neighbours
Ernst Kunststoffe Verwaltungs-GmbH
Olsberg · 0.05 km
Ernst Kunststoffe GmbH & Co. KG
Olsberg · 0.05 km
Müller Verwaltungsgesellschaft mbH
Olsberg · 0.14 km
DEVELOPERS
Programmatic access
Three ways to access this company's data programmatically:
- AGENT-CARD
Freely accessible, no API key required — a compact JSON summary for agents and crawlers.
- API
Full, authenticated data via the Implisense API v2 (API key required).
- MCP
MCP server at mcp.implisense.com — usable with ChatGPT, Claude and your own agents.
Plus opens every profile
Every company profile in full, without spending Implicents on it — plus wider search reach, unlimited lists and the enriched export.
- Revenue, result and equity across every available year
- All four signals with rationale and source
- The full commercial register history — on every profile
- Full search reach instead of the first page of hits
- Enriched Excel export (Plus only)