Engineering Services and Industrial Construction Group

Formerly known in the Lithuanian market as Montuotojas UAB, having gained solid experience over the years and earned the trust of its customers, the group was created in 2023 by separating its manufacturing and engineering, procurement and construction (EPC) activities into separate companies. The group of companies currently consists of Montuotojas UAB, FERN Production UAB and FERN EPC UAB.

About FERN Group
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The group consists of

About us in numbers


Years of experience


Professional employees


Projects per year


Steel products per month


The origins of the organisation date back to 1959. Since then, the company, known on the market as Montuotojas, has developed a team of experienced specialists who have completed more than 100 major projects in industrial, energy, logistics, petroleum, woodworking, chemical, paper, food and agricultural facilities. In 2019, Montuotojas was acquired by INVL Baltic Sea Growth Fund, the largest private equity investment fund in the Baltics.

The company "Montuotojas" was founded


The largest private equity investment fund in the Baltics, "INVL Baltic Sea Growth Fund," acquired the controlling stake in "Montuotojas"


"Montuotojas" transformed into a new engineering services and industrial construction company group, "FERN Group"


Expansion and export markets

Over the years, the FERN Group has expanded its global relationships and now exports its products and services worldwide in pursuit of its strategic objectives—to minimize risks through the intelligent allocation of resources, to expand market opportunities, and to learn best practices from foreign business leaders.

They trust us


As a responsible organisation, FERN Group is guided by sustainable business principles. We take care of the well-being, health and safety of our employees and continuously improve and modernise our production processes in a way that conserves both natural resources and the materials used in the production process.
By implementing engineering projects in large industrial and energy companies, FERN Group team helps its customers achieve greater operational efficiency, reduced environmental impact, and sustainable and long-term solutions. Read more

Download the full sustainability strategy here
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We care

Quality of services and products
Quality of services and products
FERN Group organises both its manufacturing and engineering activities in accordance with international quality standards, which are integrated into the organisation’s daily processes. Read more
Occupational safety and health
Occupational safety and health
FERN Group develops a sustainable organisational culture in which the contribution of each employee is properly recognised.
Read more
Sustainable and economical production
Sustainable and economical production
By developing products for large companies, FERN Group contributes to the sustainability objectives of companies in various industrial sectors, helping increase productivity, conserve resources and the environment, and improve operational processes. Read more
Employee training and professional development
Employee training and professional development
In order to create a modern organisational culture, FERN Group carries out competency assessments of its employees and invests in their professional development and education. Read more


We value close teamwork, mutual trust and the desire to learn and improve, which is why FERN Group is based on professional and ambitious employees. Over more than 60 years of operation, the organisation has built up a team of highly experienced and competent professionals in fields ranging from engineering to international project management. Today, the organisation employs nearly 200 professionals in their fields.
FERN Group is always looking for experienced project managers, site managers, steel fabricators, welders, locksmiths and other specialists.
Come and join the FERN Group team and become a part of one of the largest companies in engineering solutions, industrial equipment manufacturing, industrial construction and installation in the Baltic States!

Job offers
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