COMPANY PROFILE
Dango & Dienenthal Filtertechnik GmbH
GmbH (Limited Liability Company)SiegenManufacture of non-domestic cooling and ventilation equipment
FOUNDED
1912
114+ years active
TRADE REGISTER
HRB 1031
Siegen
INDUSTRY
Manufacture of non-domestic cooling and ventilation equipment
SIZE CLASS
Small enterprise
Key questions answered
What does the company do?
Entwicklung, Herstellung und Vertrieb von Filtern und anderen Produkten aus dem Bereich der FiItertechnik.
Who leads it?
Jens-Uwe Heitsch, Alexander Neff
How large is it?
Small enterprise · 878 employees (2023) · €160,483,121 revenue
How stable is it?
Stability assessment in Plus profile
Business activity
Industry (WZ2008)
Manufacture of non-domestic cooling and ventilation equipment
WZ C28.25
Size class
Small
Industry (WZ2008) (3)
- C28.25Manufacture of non-domestic cooling and ventilation equipment
- C25.99Manufacture of other fabricated metal products n.e.c.
- M71.12Engineering activities and related technical consultancy
Business purpose
Entwicklung, Herstellung und Vertrieb von Filtern und anderen Produkten aus dem Bereich der FiItertechnik.
Legal essentials
- Register entry
- HRB 1031 (Siegen)
- Legal form
- GmbH (Limited Liability Company)
- Founded
- 11 Jul 1912
- Share capital
- —
- VAT ID
- —
- LEI
- 529900WHNDPU48HP6711
- Representation rules
- Die Gesellschaft wird 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
- Balance sheet
- €132,043,155
- Year
- 2023
13 annual statements are on file for this company.
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
Jens-Uwe Heitsch
Managing Director
Alexander Neff
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
Dango & Dienenthal Hollerbach GmbH
Siegen · ⌂ selbes Gebäude
Dango & Dienenthal Management GmbH
Siegen · ⌂ selbes Gebäude
Dango & Dienenthal GmbH & Co. KG
Siegen · ⌂ selbes Gebäude
TMT-Tapping Measuring Technology GmbH
Siegen · ⌂ selbes Gebäude
Dango & Dienenthal Maschinenbau GmbH
Siegen · ⌂ selbes Gebäude
Dango & Dienenthal Verwaltungs-GmbH
Siegen · ⌂ selbes Gebäude
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