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COMPANY PROFILE

ef.Ruhr GmbH

GmbH (Limited Liability Company)DortmundResearch and experimental development on biotechnology

FOUNDED

2003

22+ years active

TRADE REGISTER

HRB 25893

Dortmund

INDUSTRY

Research and experimental development on biotechnology

SIZE CLASS

Small enterprise

QUICK CHECK

Key questions answered

  • What does the company do?

    Die Förderung von Forschungsvorhaben im Bereich der Energieforschung sowie die Entwicklung und Realisierung von Strategien für die Kommunikation, den Transfer und die Vermarktung von Forschungs- und Entwicklungsergebnissen im Bereich der Energieforschung

  • Who leads it?

    Leif Benedikt Rehtanz · Managing Director

  • How large is it?

    Small enterprise · €1,460,129 revenue

  • How stable is it?

    Stability assessment in Plus profile

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INDUSTRY & PURPOSE

Business activity

Industry (WZ2008)

Research and experimental development on biotechnology

WZ M72.11

Size class

Small

Industry (WZ2008) (3)

  • M72.11Research and experimental development on biotechnology
  • M72.19Other research and experimental development on natural sciences and engineering
  • J62.01Computer programming activities

Business purpose

Die Förderung von Forschungsvorhaben im Bereich der Energieforschung sowie die Entwicklung und Realisierung von Strategien für die Kommunikation, den Transfer und die Vermarktung von Forschungs- und Entwicklungsergebnissen im Bereich der Energieforschung

MASTER DATA

Address & Contact

Emil-Figge-Straße 76, 44227 Dortmund

Map data © OpenStreetMap

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COMMERCIAL REGISTER

Legal essentials

Register entry
HRB 25893 (Dortmund)
Legal form
GmbH (Limited Liability Company)
Founded
12 Oct 2003
Share capital
€33,300
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.
ADD-ON SERVICE

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FINANCIALS

Annual statements

Balance sheet
€1,433,871
Year
2023

9 annual statements are on file for this company.

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SIGNALS

Signals

Available in Plus profile

Four dimensions from hard data — age, financials, HRB events, compliance. The ratings themselves are shown in the Plus profile only.

  • Continuity1
    Available in Plus profile
  • Financials2
    Available in Plus profile
  • Management3
    Available in Plus profile
  • Legal status4
    Available in Plus profile
MANAGEMENT

Directors & officers

Managing directors

  • Leif Benedikt Rehtanz

    Managing Director

A further 2 registered persons are shown in the Plus profile only.

AI CONTACT SEARCH

Research contacts

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AI NEWS SEARCH

Recent news

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EVENTS

Commercial register history

No events on file.

SIMILAR COMPANIES

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NEARBY COMPANIES

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DEVELOPERS

Programmatic access

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  • MCP

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What the Plus profile adds

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  • 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
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Last updated: 20/08/2026