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In a world where buildings and industries need to become smarter, more sustainable and increasingly digital, organizations need a partner who can help them navigate complex technological challenges. We turn your ambitions and challenges into smart, reliable and future-ready solutions.
As a full-service technical services provider, we bring together engineering, digitalisation and specialist expertise. From building installations and energy systems to ICT solutions, fire safety, security, datacenters and smart buildings, Unica is your one-stop-shop to design, deliver and manage technology that works. With nationwide capabilities and a strong local presence, we understand your day-to-day reality and solve challenges where they arise.
Unica is a network of entrepreneurial specialists and versatile professionals, united across nine clusters and powered by more than 4,750 experts. Driven, knowledgeable and always focused on progress, we go the extra mile because results matter, and true partnership only creates value when we achieve it together.
Our payoff, United Can Do, reflects what drives us: taking responsibility together, delivering progress and creating impact that goes beyond technology. Together, we create living and working environments that are ready for tomorrow's demands while giving you confidence in meeting today's challenges.
€ 1.017 million annual turnover (2025)
Approximately 4,750 employees
Nationwide coverage with over 40 locations throughout the Netherlands
Network of more than 53 companies in 9 business clusters
With over 4,750 employees, Unica is one of the largest technical service providers in the Netherlands. Since its founding in 1933, Unica has grown into a network of more than 50 specialized companies organised in nine technical clusters. Each company within Unica contributes to our mission to work together towards a safer, healthier, and more sustainable work and living environment.
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Through close collaboration between our companies, Unica offers all-round technical services with nationwide coverage. This synergy makes us unique and enables us to successfully realize every project, large or small.
From installation engineering to security, from building intelligence systems to energy solutions, and from fire safety to ICT services; we have the knowledge and skills to tackle your challenges.
1933 – 1960
Unica was founded in 1933 in Zwolle as the Geldersch-Overijsselsch Installatiebedrijf (G.O.I.B.). The mechanical engineering company grew steadily, even during economically troubled times. In 1953, the company was acquired by the Van Vliet family, who are still closely involved as major shareholder. The company has operated under the name Unica since 1956.
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1960 – 1980
During the sixties, alongside its mechanical engineering activities, the company started producing electrical and control engineering systems. During this period, Unica was responsible for a number of high profile projects, including the University of Twente in Enschede, the Scania truck factory in Zwolle and military barracks complexes throughout the country. These were followed later by hospitals, large office buildings and industrial projects.
1980 – 2010
After 1980, Unica expanded rapidly and the number of branches and employees increased accordingly. Unica developed new activities in specialist areas of technical service provision, including ICT, security, industry, fire safety and energy. Thanks to a combination of autonomous growth and acquisitions, Unica became one of the largest all-round technical service providers in the Netherlands.
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With smart technology, craftsmanship and collaboration, Unica delivers impact where it really matters: health, safety and sustainability. As a trailblazer in each of our specialist technical fields, we deliver innovations to society and bring sustainable technological progress to life. Together with our partners, we help our customers extend their leading position, always with smart technology and data, focused on the societal challenges of tomorrow.
That progress demands clear operating principles. We believe that technology only becomes truly impactful when backed up by craftsmanship delivered in freedom and embedded in cooperation. In an organisation in which unity is the key to success, open communication is the standard and every employee is given the space to make a difference. In which specialists and all-rounders flourish and receive and give off their very best. All with conviction, and a focus on results. From a culture of human standards, we form a warm family of engineers who dare to dream.
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