About Us

BlueCheck is renowned for its commitment to excellence and innovation in underwater inspections. Our focus on meticulous inspections, paired with advanced technology and certifications, has helped us build a reputation for delivering top-tier services that exceed industry standards.
We have been certified ISO 9001:2015 since 2024

Our Certified Team

Our skilled and fully certified team, trained up to STCW and OPITO standards, is equipped to board offshore installations worldwide, setting us apart as professionals in executing inspections with precision and expertise. Each team member's dedication to excellence guarantees the highest standard of service in every operation.
OPITO Certification
STCW Certification

Marcin Kosinski

CEO, Partner

Marcin is an experienced Master Mariner. He has been working at sea for over 20 years. He started his professional career on seagoing ships, and has been working for over 16 years, gaining experience and improving his competences in the offshore drilling industry all over the world. He is a graduate of the Maritime University of Szczecin. Privately, he is the proud father of two adult children and the husband of Agnieszka. They live in Szczecin.

Mariusz Majkut

Partner

Mariusz is an experienced manager who spent over 20 years developing and transforming Polish energy and district heating sector, holding for many years a CEO position of Polish subsidiary of German energy utility E.ON. He was also a honorary consul of Germany in his hometown Szczecin. Recently engaged in developing a rapid growing Polish construction company ATLAS WARD as an executive board member.Mariusz graduated from Harvard Business School in 2023 by completing Advanced Management Program 205. He is also an alumni of Poznan University of Economics. Privately he is married to his wife Monika and - together with her - taking care about their 5 children. They live in Warsaw.