Our Services
Tailor-made solutions to the challenges you might encounter
Technology development
From first idea to validated concept—turning opportunities into clear, scalable technology solutions.
Feasibility, Optimisation & LCA
Feasibility studies, process optimisation, and Life Cycle Assessment to de-risk decisions and improve sustainability.
Project Proposals & Consortium Support
We help write strong funding proposals—and can join your consortium as a project partner.
About Us
We provide tailor-made solutions to the challenges you might encounter
OLAR Solutions was founded by Maciej Olszewski and Dr. Pablo J. Arauzo after five years of successful collaboration at the University of Hohenheim. We are a startup consulting firm passionate about renewable technologies, providing tailored, practical solutions to help clients solve real-world challenges.

Maciej Olszewski
CEO & Co-FounderMSc. 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.

Dr. Pablo J. Arauzo
CTO & Co-FounderDr. 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.
