About us
Energy & IoT specialised tech partner
Founded as a Nokia spin-off, we combine deep know-how with EU compliance to modernise systems and extend capabilities.
Wirtek in numbers
countries reached with our solutions
average client partnership
Since 2006
listed on Nasdaq First North
devices have been connected to our Wirtek IoT Cloud
countries reached with our solutions
6 + years
average client partnership
Since 2006
listed on Nasdaq First North
devices have been connected to our Wirtek IoT Cloud
years of experience
in the IT industry
engineers across Denmark, Portugal and Romania
industries reached with our solutions
years of experience
in the IT industry
engineers across Denmark, Portugal and Romania
industries reached with our solutions
Mission
We partner companies to design, engineer and deliver smart solutions that make systems more efficient, connected and sustainable.
Vision
To be Europe’s trusted partner for energy, connectivity and digital innovation, delivering technology that drives progress with responsibility and impact.
Our values
Commitment
We are dedicated to delivering value in everything we do. Acting with ownership, we handle your projects with the same care as our own. We take responsibility, follow through, and bring the right people together to achieve the desired outcomes.
Common sense
We apply sound judgement and a practical mindset in every collaboration. We communicate clearly, make decisions based on what works best, and keep fairness and transparency at the core of our partnerships. You can rely on us to address challenges directly and manage projects with integrity.
Proficiency
Proficiency is more than technical expertise, it’s the ability to adapt and solve challenges effectively. By staying current with the latest tools and practices, we deliver efficient processes, continuous improvement, and solutions built to last.
Our history
Our story is one of adaptability and forward thinking
Founded as a spin-off from Nokia
We were founded in Aalborg, Denmark, carrying Nokia's know-how to apply in emerging technologies and markets.
Listed on Nasdaq First North
We became a public company, the third to be listed on the Nasdaq Copenhagen First North Growth Market.
Opened our first tech hub in Romania
We began our international expansion to Cluj-Napoca, marking the start of our long-term commitment to nearshoring excellence.
Opened our second tech hub in Romania
Inauguration of the Bucharest office, expanding our presence in the region.
Acquired Software Pro A/S
Enhancing our expertise in software development and consultancy.
Acquired CoreBuild
Deepening our engineering capabilities and service offerings.
Opened a new office in Denmark
Reinforcing our Danish roots and supporting growth in emerging technologies.
Acquired Seluxit
Expanding into renewable energy and wireless IoT.
Acquired Pragmasoft
Boosting growth in clean energy and expanding internationally.
Opened our Portugal tech hub
Inaugurated our Porto office, marking a key milestone in our international expansion strategy.
Our tech hubs
Not nearshore. Not offshore. Just EU shore.
Denmark hub - Aalborg
Niels Jernes Vej 10, 9220 Aalborg, Denmark
Romanian hub - Cluj-Napoca
Strada József Attila nr. 2, 400347 Cluj-Napoca, Romania
Portugal hub - Porto
R. S. Gens 3380-N 2ºDto, 4460-813 Senhora
da Hora Matosinhos, Portugal
Romanian hub - Bucharest
Opera Center 1, etaj 5, Strada Costache Negri 1–5, 050552 Bucharest, Romania
Our leadership team
Michael Aaen
Chief Executive Officer
Mads Greiffenberg
Chief Finance Officer
Flaviu Zapca
Chief Operating Officer
Niels Erik Wøhlk
Chief Revenue Officer
Ema Marcu
Director of HR & Administration
Mariela Ramos
Head of Marketing & Communications
Cristian Olariu
Business Unit Director
Humberto Ferreira
Business Unit Director
Călin Marian
Director of Technical Excellence & IT
Our strategic partnerships
Frequently asked questions
What is Wirtek?
Danish technology and IT engineering solutions company with more than 25 years of experience helping organisations modernise systems, extend capabilities, and reduce project risk through integrated engineering partnerships. Wirtek delivers project services, supporting companies with scalable and reliable software, IoT, and digital engineering solutions.
Founded in 2001 as a spin-off from Nokia and listed on Nasdaq First North Copenhagen since 2006 under the ticker Ticker Code: WIRTEK (DK0060040913), Wirtek delivers outcome-based managed software services and ready-made solutions.
When was Wirtek founded?
Wirtek was founded in 2001 in Aalborg, Denmark, as a spin-off from Nokia's Aalborg engineering operations. The company has been operating continuously for 25+ years.
Is Wirtek publicly listed?
Yes. Wirtek A/S has been listed on Nasdaq First North Growth Market in Copenhagen since 2006 under the ticker WIRTEK (DK0060040913).
Where does Wirtek operate?
Wirtek operates four engineering tech hubs across the European Union: Aalborg in Denmark (headquarters), Cluj-Napoca and Bucharest in Romania, and Porto in Portugal. All four locations are EU-based, and Wirtek serves clients across the EU, Nordic countries, and adjacent markets.
Does Wirtek work with EU compliance requirements?
Yes. Wirtek has published technical guides on the NIS2 Directive, the Cyber Resilience Act, and the Energy Performance of Buildings Directive (EPBD), and works with clients on compliance projects for industrial software and IoT systems.
Was Wirtek previously known as Seluxit?
Wirtek’s energy and IoT capabilities include the technology, products, and expertise formerly operating under the Seluxit brand. Following the acquisition of Seluxit’s assets in 2024, Seluxit’s renewable energy and wireless IoT solutions became part of Wirtek’s broader Energy and Connectivity & Automation offering. The products, platforms, and customer relationships continue under Wirtek.
What happened to CoreBuild after the acquisition?
Wirtek strengthened its digital product engineering and software development capabilities through the acquisition of CoreBuild in 2021. CoreBuild’s expertise in scalable software solutions, dedicated development teams, and long-term client partnerships is now fully integrated into Wirtek’s service offering and delivery organisation.
Is Pragmasoft now part of Wirtek?
Wirtek’s energy practice includes the team, expertise, and capabilities formerly operating under the Pragmasoft brand. Following the acquisition in 2024, Pragmasoft became part of Wirtek’s broader Energy offering, strengthening our capabilities in smart-grid systems, industrial automation, and energy infrastructure software.
