COMPANY PROFILE

SONNJA! GmbH

GmbH (Limited Liability Company)PulheimEngineering activities and related technical consultancy

FOUNDED

2010

16+ years active

TRADE REGISTER

HRB 69458

Köln

INDUSTRY

Engineering activities and related technical consultancy

SIZE CLASS

Small enterprise

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QUICK CHECK

Key questions answered

  • What does the company do?

    die Beratung, der Verkauf und die Installation von Solaranlagen.

  • Who leads it?

    Guido Röers · Managing Director

  • How large is it?

    Small enterprise

  • How stable is it?

    Stability assessment in the full profile

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INDUSTRY & PURPOSE

Business activity

Die SONNJA! GmbH ist auf die Beratung, den Verkauf und die Installation von Solaranlagen spezialisiert. Das Unternehmen bietet Produkte und Dienstleistungen wie Photovoltaikanlagen, Batteriespeicher, Dachpacht und Ladesäulen für Elektrofahrzeuge an. Die Zielgruppe umfasst sowohl private Haushalte als auch gewerbliche Kunden, die an nachhaltiger und kosteneffizienter Energieerzeugung interessiert sind. Als zertifizierter Photovoltaik Fachbetrieb zeichnet sich die SONNJA! GmbH durch langjährige Erfahrung in der Solarbranche sowie durch den Fokus auf ganzheitliche, ökologische und ökonomische Lösungen aus.

Industry (WZ2008)

Engineering activities and related technical consultancy

WZ M71.12

Size class

Small

Business purpose

die Beratung, der Verkauf und die Installation von Solaranlagen.

MASTER DATA

Address & Contact

COMMERCIAL REGISTER

Legal essentials

Register entry
HRB 69458 (Köln)
Legal form
GmbH (Limited Liability Company)
Founded
11 May 2010
Share capital
€25,000
VAT ID
—
LEI
—
Representation rules
Die Gesellschaft hat einen oder mehrere Geschäftsführer. Sind mehrere Geschäftsführer vorhanden, so wird die Gesellschaft durch zwei Geschäftsführer gemeinschaftlich oder durch einen Geschäftsführer in Gemeinschaft mit einem Prokuristen vertreten. Ist nur ein Geschäftsführer vorhanden, so vertritt er die Gesellschaft allein.
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FINANCIALS

Annual statements

Balance sheet
€2,629,558
Year
2023

7 annual statements are on file for this company.

Revenue, result, equity and the multi-year history are in the full profile.
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REGISTER DOCUMENT

Annual financial statements (PDF)

The most recently published annual financial statements as a PDF, straight from the German company register.

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SIGNALS

Signals

Available in the full profile

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

  • Continuity1
    Available in the full profile
  • Financials2
    Available in the full profile
  • Management3
    Available in the full profile
  • Legal status4
    Available in the full profile
MANAGEMENT

Directors & officers

Managing directors

  • Guido Röers

    Managing Director

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EVENTS

Commercial register history

No events on file.

DEVELOPERS

Programmatic access

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Last updated: 16/08/2026