is a Vaasa-based metal company specializing in subcontracting for multinational companies.

Founded in 1948, our company has over 70 years of strong experience in our field. We are a family business with staff that is at the top of their trade.
0 +
Our 7 000 m² facilities are well equipped to take on projects of any scale. With our one-stop shop concept, we provide welding, machining, surface treatment, and assembly services all in one place.
10 % We care about the environment and constantly aim to work towards a more sustainable future. A total of 1 250 solar panels creates 10 % of the yearly electricity used on our premises.
0 %

Specialized in processing over 3 mm thick iron and steel.

Specialized in multiphase manufacturing of technically demanding mechanical parts.

Specialized in combining electronics, weighing automation, hydraulics and pneumatics with a finished product.

Specialized in glass-ball, steel grain and sandblasting as well as wet painting.

What’s new at Wel-Mach?

We are constantly developing, co-operating, and going forward. Check out the latest news from our company!


Wel-Mach Oy Ab is an environment -and quality certified partner.

Flexibility, attitude and resources combined with expertise guarantee our customers high quality and on-time deliveries.




Providing on-time deliveries for our customers is a priority for us. Our one-stop shop concept is an easy and secure choice for customers to trust they will receive their products on time.



Our over 70-year experience in the field results in exceptional quality for our customers. We are especially known for our know-how and quality in welding services.



Some of our satisfied customers have been with us for decades. Close co-operation and a customer-oriented mindset make sure we always do our best to help your company succeed.

Trusted by various international companies

Customer stories

We are constantly developing, co-operating, and going forward. Check out the latest news from our company!

Logset Oy

“At Logset, we manufacture forest machines for professionals. Wel-Mach produces different components for our machines, including metal framework for our harvester heads. We have been working with Wel-Mach for over 15 years.   Being able to discuss and design plans in close co-operation, or even

Read More

Greenbay Marine Ltd Ab

“At Greenbay Marine, we manufacture aluminum boats with experience in premium class yachts, combined with a history in the automotive industry. Wel-Mach is our partner in welding hulls for our 35ft Force10 boats.   As high-quality welders are hard to find, we felt it would

Read More

Book a free consultation

Interested in discussing our services in more detail? Want to request an offer? Contact us by filling out the form below!

Note that we will confirm your desired date via Email. You will receive a meeting link upon the confirmed meeting time in the email address you have provided
This field is for validation purposes and should be left unchanged.

Matias Österberg


Get in contact

Reliable business partner.
Certified professional.

Chief Executive Officer


Production Director