Welcome To

OLAR Solutions

About Us

We provide tailor-made solutions to the challenges you might encounter

OLAR Solutions was founded after 5 years of successful cooperation at University of Hohenheim between Maciej Olszewski and Dr. Pablo J. Arauzo . The passion to research and development of renewable technlogies resulted in formation of start-up consulting firm. Our goal is to find tailor-made solutions to the challenges which our clients might encounter in the following sectors:

  • renewable energies
  • food wastes
  • agricultural residues
  • green chemicals 

We assist our clients during the whole technology development process from the conceptualization and planning phase through realisation and implementation into the market.

Maciej Olszewski

CEO & Co-Founder

MSc. Maciej Olszewski holds a master degree in chemical engineering from the AGH University of Science and Technology in Krakow (Poland). In 2017, he developed his master’s project as a member of the BioCarb+ project in Norway as a cooperation with Norwegian University of Science and Technology and SINTEF Energy Research. His research and projects experience is focused on thermochemical processes, production of green chemicals and upscaling of lab scale technologies to pilot plant scale.


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Dr. Pablo J. Arauzo

CTO & Co-Founder

Dr. Dipl. Eng Pablo J. Arauzo obtained in 2014 his Dipl. Eng. Chemical Engineering mention in Chemical processes at the University of Zaragoza (Spain). In 2021, he obtained his Dr. Degree focus in renewable energies at the University of Hohenheim (Germany) under a Marie Curie grant. His research/project experience covers renewable energy technology, renewable solid fuels and activated carbon production. He also had made several research exchanges at different universities of USA and he is the author and coauthor of several scientific publications and book’s chapters.


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Our Services

Tailor-made solutions to the challenges you might encounter

Technology development

Concept development 
Research and development planning 
Feasibility study
Process optimisation
Life cycle assesment

Chemical & Process engineering assistance

Tailored solutions for your company

Assistance in R&D

Research reports

Writing scientific, technical, and market analysis reports.
Focus in:
Renewable energies
Food wastes
Agriculture residues
Green chemicals

Project proposals

Development of projects related to renewable energies

Coordination and writing of project proposals

Communication and exploitation

Contact US


Get In Touch
  • Flughafenstrasse 59
    70629 Stuttgart, Germany
  • +49 173 546 8209
  • info(at)olar-solutions.com

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