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Owner’s Engineering
Technical advisory throughout the project lifecycle.
INDEPENDENT ENGINEERING & TECHNICAL ADVISORY
Engineering
your investment.
We support investors across the complete energy project lifecycle — from technical due diligence and engineering through construction, commissioning and operations.
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Technical Due Diligence
Independent technical, commercial and regulatory assessment.
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Project & Construction Management
Planning, procurement, construction and delivery.
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Contract Management & Claims
Contract strategy, negotiation and dispute support.
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Commissioning & Start-up
Testing, commissioning and performance support.
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HSE & Operational Readiness
Safe, reliable and efficient operations.
SECTORS
Focused on the energy transition.
Deep technical and practical experience across renewable energy and related infrastructure.
Biomethane & Biogas →
Solar PV →
BESS →
Wind →
Energy Infrastructure →
HOW WE WORK
Senior expertise.
Close to the project.
Investor perspective
Risk, bankability, schedule and value — not engineering in isolation.
Hands-on execution
Experienced professionals stay close to the project and the decisions that matter.
Complete lifecycle
Development, engineering, construction, commissioning and operations.
LEADERSHIP
Built around real project experience.
QISS brings together senior professionals with hands-on experience across renewable energy development, engineering, construction, commissioning and operations.
Grzegorz Breczewski
Founder & Managing DirectorLET’S TALK
Have an investment or project
that needs engineering support?
contact@qissengineering.comWarsaw, Poland · qissengineering.com