Supervision and Consulting for Construction Projects
Rosma Oy, founded in 2025, is a specialized company offering supervision and consulting services for both construction professionals and private developers. The company is led by Sampo Rossi, who brings over 15 years of experience in the construction industry. His background includes more than 10 years as a responsible site manager on projects of all sizes, as well as three years as a construction company’s site operations manager. This extensive experience ensures strong expertise in project management and on-site operations. A broad professional network further supports high-quality service delivery.
Our approach is customer-focused. Every project starts with a thorough assessment of the client’s needs, and services are tailored accordingly. We ensure agreed tasks are completed with professionalism, on schedule, and with clear communication throughout the project. Clients receive regular, easy-to-understand updates on progress.
Sampo Rossi is a FISE-certified Responsible Site Manager for highly demanding projects and can also act as a Construction Safety Coordinator when needed.
Rosma Oy is a Reliable Partner certified by Vastuu Group and a proud member of the Federation of Finnish Enterprises.
Our Services Include:
Site Supervision – Regular site visits, meetings, and reporting
Phase Inspections – Individual checks or ongoing inspections during the project
Responsible Site Manager Services – Tailored to your project requirements
Design Management – Full coordination or guiding your chosen partners
Tendering & Budgeting – From small projects to large developments
Construction Safety Coordination – Plans, inspections, and compliance checks
Financial Management & Forecasting – Budget tracking and cost control
Project Management – Comprehensive end-to-end project oversight