About Us

The company Sigmaris Projects operates under the legal name SiPro. The core activities of the company include project management, metal structure manufacturing, and ship upgrade services. We are a client-oriented company delivering high-value solutions in shipbuilding and ship repair, industrial and civil construction, as well as offshore markets. Each project is unique and requires extensive experience in steel structure manufacturing.

SiPro is part of Sigmaris Group — an international, multi-disciplined holding company specializing in shipbuilding, ship repair, industrial construction, and maintenance projects.

The company continues the professional and cultural legacy of UAB Sigmetalis. Our team consists of experienced industry professionals with more than 10 years of expertise in quality control and project management, as well as a new generation of skilled engineers.

Markets served:

  • Shipbuilding
  • Ship repair
  • Offshore
  • Industrial construction
  • Civil engineering

SiPro provides flexible and efficient ship upgrade services, ensuring smooth execution of projects for vessels operating in Klaipėda Seaport.

Certifications and standards:

SiPro is a certified and accredited company, complying with the highest international standards:

  • ISO 9001 – Quality Management
  • ISO 14001 – Environmental Management
  • ISO 45001 – Occupational Health & Safety
  • ISO 3834-2 – Welding Quality Requirements
  • EN 1090 (EXC3) – Steel Structures Execution

Follow the icon below to see the certificate:

sipro iso 2027 en  sigmaris projects 2        sipro kiwa 121 2026 sipro kiwa 157 2026 sipro kiwa 306 2026

Projects

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