SJPP advises 1komma5° on over a dozen corporate acquisitions


In 2021 and 2022, SJPP has advised 1KOMMA5° GmbH, Hamburg, on various acquisitions in Germany and abroad.

The 1KOMMA5° Group is one of the leading companies in Europe specialized in the installation of CO2-neutral energy systems in the residential sector, particularly photovoltaic plants, heat pumps, energy storage and wall boxes. For this purpose, 1KOMMA5° has acquired installation and service companies since 2021, which have now become part of the 1KOMMA5° Group. Since its foundation in 2021, 1KOMMA5° has grown rapidly and already achieved a turnover of more than EUR 200 million in 2022 (projected to one year).

SJPP provided comprehensive advice to 1KOMMA5° regarding the legal structure of the acquisitions and the individual transactions.



» ad fontes Elbe-Weser GmbH, Bad Bederkesa

» ad fontes Lüneburg GmbH, Kirchgellersen

» Ampenova GmbH & Co. KG, Remscheid

» bode & Stephan GmbH, Göttingen

» Dost Energietechnik GmbH & Co. KG, Bremen

» EnergieExpert Rhein-Ruhr GmbH, Erkrath

» Gerhard Liedtke GmbH, Hildesheim

» ibeko-solar GmbH, Kolbermoor

» Idealstrom GmbH & Co. KG, Hamburg

» NEW Neue Energien Weimar GmbH, Weimar

» Nordkraft Solar- und Montagetechnik GmbH, Löningen

» PMT Photovoltaik Montage GmbH, Niedergörsdorf

» Quadt Energy GmbH, Lingen

» RedTherm GmbH, Uedem

» RUOFF Energietechnik GmbH, Riederich

» Voltark GmbH, Münster

» Natural Solar, Australien

» Cell Solar Nordic AB


Advisors 1komma5°:

Schmidt-Jortzig Petersen Penzlin (Hamburg): Dr. Bjarne Petersen, Dr. Philippe Rollin, Carolin Wagner, Julius Bartholomäus (alle M&A)

Alpers Wessel Dornbach (Hamburg): Marvin Feldmann, Diana Krüger (Tax)

LMPS (Düsseldorf): Carsten A. Paul, Daniel Meyer (capital markets law)

Heuking (Hamburg): Dr. Thomas Schulz (labour law)

Baker & McKenzie (Sydney, Australia): Raymond Lou (M&A, Local Counsel)

Lindahl (Stockholm, Sweden): Moritz Veller, Ellen Nordell (M&A, Local Counsel)