COMPANY PROFILE
Maria Lehmann Immo GmbH
GmbH (Limited Liability Company)SiegenBuying and selling of own real estate
FOUNDED
2011
15+ years active
TRADE REGISTER
HRB 9622
Siegen
INDUSTRY
Buying and selling of own real estate
SIZE CLASS
Micro enterprise
- +49 174 3977974
- info@monteur-immo.de
- www.monteur-immo.de/
Key questions answered
What does the company do?
Der An- und Verkauf sowie Renovierung von eigenen Immobilien und deren Verwaltung und Vermietung
Who leads it?
Sergej Lehmann · Managing Director
How large is it?
Micro enterprise
How stable is it?
Stability assessment in Plus profile
Business activity
Industry (WZ2008)
Buying and selling of own real estate
WZ L68.10
Size class
Micro
Industry (WZ2008) (3)
- L68.10Buying and selling of own real estate
- L68.20Renting and operating of own or leased real estate
- L68.31Real estate agencies
Business purpose
Der An- und Verkauf sowie Renovierung von eigenen Immobilien und deren Verwaltung und Vermietung
Legal essentials
- Register entry
- HRB 9622 (Siegen)
- Legal form
- GmbH (Limited Liability Company)
- Founded
- 18 Aug 2011
- Share capital
- €25,000
- VAT ID
- —
- LEI
- —
- Representation rules
- Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten.
Order shareholder list
The statutory shareholder list (§ 40 GmbHG) straight from the official register portal — who holds which shares.
Available once you sign in
Annual statements
No public annual statements on file.
Signals
Four dimensions from hard data — age, financials, HRB events, compliance. The ratings themselves are shown in the Plus profile only.
- Continuity1Available in Plus profile
- Financials2Available in Plus profile
- Management3Available in Plus profile
- Legal status4Available in Plus profile
Directors & officers
Managing directors
Sergej Lehmann
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
Commercial register history
No events on file.
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Location neighbours
Patrick Lorasch e.K.
Siegen · 0.03 km
DaBreSi GmbH
Siegen · 0.04 km
Müller Bau Service UG (haftungsbeschränkt)
Siegen · 0.13 km
Hermann Verwaltungs UG ( haftungsbeschränkt )
Siegen · 0.22 km
DreiZett-Zusammen zum Ziel UG (haftungsbeschränkt)
Siegen · 0.27 km
AS more than movie UG (haftungsbeschränkt)
Siegen · 0.28 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 live at mcp.implisense.com (FastMCP, Bearer auth) — usable with ChatGPT, Claude, and your own agents.
What the Plus profile adds
The same page, fully populated — plus the research services locked here.
- Revenue, result and equity across every available year
- All four signals with rationale and source
- Contact search: names, roles, phone, email, LinkedIn
- Shareholder list from the official register portal
- News research covering the last six months
- The full commercial register history