Efficient, high-quality and flexible Masor Works Oy – at your service

Masor Works Oy is a Finnish company founded in 2009. We are an honest partner providing industrial services. Our management and personnel have more than 30 years of experience in equipment maintenance and installation. We serve from a single maintenance jobs to weeks work at a nuclear power plant, in accordance with certified quality and safety systems. We measure customer satisfaction every year, and we maintain good results by doing our daily work on schedule, safely and with high quality, and constantly improving. Get to know us by watching the video and get in touch!

Vision – why do we exist?

Masor Works Oy offers installation and maintenance services to its customers in the energy, paper, environmental and chemical industries. The operating idea of our company is to develop our operations in accordance with our values in order to always serve our customers better – with the help of our motivated and well-being personnel and in such a way that the operations are financially profitable.

Our strength is our solid know-how and the desire to develop our services and know-how extensively, in accordance with the customer’s needs and smoothly from design to completion.

Each of us, for our part, has a responsibility to act in accordance with our goals and to be responsible for the quality of our operations and their continuous development. We expect the same commitment from our partners and suppliers.

Operational policy commits everyone

In all its operations, Masor Works complies with laws, directives, official regulations and ISO 9001, ISO 3834-2, EN 1090-1 and ISO 45001 standards. We take into account the needs and expectations of our customers, staff, society and the environment. We evolve with the needs of the business environment. We know our responsibility for the safety and well-being of our customers, employees, stakeholders and the work environment. We are committed to preventing injuries and deterioration in health. The work performed by the company is organized in such a way that risks are minimized. The policy is available to stakeholders and is reviewed annually. Masor Works’ management team is responsible for updating the policy.

Key figures

  • M€ 7.2


  • 64


  • 40 years

    Average age

  • 10

    countries of destinations

  • Over 270

    maintenance sites

Masor Works’ values

Customer orientation

The customer’s needs and expectations guide the company’s operations.


We are constantly developing ourselves to better serve our customers.


Quality work creates the basis for the company’s profitable operations.

Work for us

Are you interested in machining or maintenance? Or do you have a thesis subject in mind? Apply to our great team to do important work!

Read more


Masor Works’ operations are certified and meet the requirements of international ISO 9001, ISO 3834-2, ISO 6002, EN 1090-1 ja ISO 45001 standards. Our company operates responsibly and we make the best solutions for the functionality and life cycle of machines and equipment.

View certificates

May we introduce ourselves?

See the company brochure (in Finnish) for how we work in the best interests of the customer in different industries – productively, cost-effectively and fairly. We are experienced in serving you from design to finished products.

Download brochure