25+ years of experience being a tech partner

Software development

Quality Assurance

IoT

Automation

Energy

What we do

Founded as a Nokia spin-off and with more than 25 years of experience, Wirtek combines deep know-how with EU compliance to partner with companies on their journey to modernise systems and extend IT capabilities while reducing risk.

With over 200 engineers in Denmark, Romania and Portugal, we build, connect and operate digital solutions to clients worldwide.

Trusted by

Our business domains

Energy Industry

Know-how at every stage of the energy path.

Production

Configuration and deployment
Substation automation
Embedded systems & RTUs
OT cybersecurity
Communication protocols: IEC (101, 104, 103, 61850), DNP, Modbus, OPC UA, Profibus, SNMP & legacy

Transmission

Frontend configuration & development
Trading applications
Reporting & management
Communication protocols: IEC (101, 104), DNP, ICPP, Modbus, Kafka, MQTT & legacy systems

Distribution

End-user applications (apps & web applications)
Reporting & management
EV & metering
Communication protocols: OCPP 1.6, DLMS
Battery testing

Large-scale operational environments

Cut waste, optimise operations, and stay compliant.

Visibility into consumption patterns
Effective management of energy
ESG reporting

Connectivity & Automation

Connect devices, platforms, and systems with ease.

Connectivity and device control
Automation and intelligence

Digital Engineering

Scalable platforms that adapt to your evolving business needs.

System integration
Resource optimisation tools
Profitability insight
Operational visibility

Our services

Software Development

End-to-end support across the entire product lifecycle.

Product Engineering
Software Engineering
System Modernisation
Mobile & app development
Monitoring & Maintenance

Internet of things (IoT)

Engineering for device connectivity and automation.

Device connectivity & control
Data collection & storage
Analytics & visualisation
Automation & event-driven IoT
Edge computing for IoT
Scalable IoT platforms
Security for connected systems

Quality Assurance

Comprehensive testing and QA services for reliability, performance, and security.

Software Testing
Hardware Testing
Cyber Security
Quality Assurance Training

Do you have a project in mind? Let's chat

Get a proposal

Discover our ready-made solutions for Energy & IoT

Industrial IoT Cloud

Proven open source IoT platform already powering more than 500,000 devices and sensors in 93 countries, giving you a proven foundation for your own IoT solution.

How we can help you:

Made for industrial OEMs and partners
Launch a secure, always‑on IoT cloud without the cost and distraction of building infrastructure from scratch
Accelerate development and cut time‑to‑market
Seamless integration across devices and systems; users can also tap into external services like weather data, energy prices, calendars and smart home appliances
Create OEM scenarios and adjust device behaviour using built‑in logic without writing code
Scalable analytics and insights
White‑label platform as a service: deliver a branded IoT platform with managed web and mobile app

Solar Tech

Highly competitive Solar Photovoltaic solution designed to ease the maintenance management of solar energy systems and farms.

How we can help you:

Purpose‑built for solar PV & EV charging
Built for O&M providers and asset owners
Replaces spreadsheets and generic tools by bringing all sites, tasks and field data into one platform
No need for internal IT support
Centralises all maintenance workflows, delivering faster fault resolution, fewer site visits and clear reporting for service‑level agreements and performance
Designed for PV/EV workflows, it includes energy‑specific checklists, site tracking, spare‑parts management and tailored KPIs
Technicians use a simple mobile app with photos, notes, travel time and site data
Dedicated PV & EV reporting
Software scales from a handful of sites to hundreds

Smartplug Energy Optimisation

Smartplug-based energy optimisation solution that cuts avoidable energy waste on non-critical refrigeration and similar equipment, delivering fast, measurable savings across distributed sites.

How we can help you:

Designed for chains of stores, fuel‑station and convenience outlets, and food service operators
Cuts electricity use by about 25–30% by reducing standby losses in non‑critical refrigeration equipment
Installs quickly using self‑install smart plugs, no electricians or infrastructure work needed
Centralised policy control lets users set schedules and rules once and deploy them chain‑wide
Automated off‑hour shutdowns cut unnecessary energy use
Real‑time transparency at the device level shows energy, cost and CO₂ savings

Warehouse Logistics ESG Optimisation

Solution that delivers verifiable energy, equipment behaviour and CO₂ data for every kWh used across warehouse and logistics sites.

How we can help you:

Built for OEMs and sub‑suppliers
Delivers a unified view of energy, equipment behaviour and CO₂ performance across the entire site
Aggregates telemetry from forklifts, chargers, HVAC systems and any electrical device into a vendor‑neutral data layer
Uses optimisation engines to manage equipment fleets, HVAC systems and other energy drivers, enabling smart fleet charging, reducing unnecessary device consumption and improving HVAC schedules
Automated ESG reporting, ensuring consistent, compliant outputs across locations
Architecture supports phased rollout across multiple warehouses

Tenant Consumption Management

All-In-One web and mobile platform that automates energy data, billing and compliance across multi-tenant sites by unifying consumption data from all utilities and buildings into one shared foundation.

How we can help you:

Built for industrial ports with leased warehouses, shared office spaces and shopping centres
Integrates consumption data across utilities and buildings
Automates remote meter readings for EED‑aligned accuracy
Proactive anomaly and cost detection – flags leaks, abnormal patterns and unexpected consumption early, with real‑time alerts
Feeds validated data into ERP, billing, finance, sustainability and property‑management systems for reliable invoicing
Audit‑ready ESG reporting
Works with all meter types and vendors, scales to new sensors and reporting tools

What our clients say

Developing a first-of-its-kind innovative IoT device is not a straightforward process. Wirtek’s expertise and adaptability in overcoming these challenges have been crucial in developing a state-of-the-art IoT device, all while ensuring we stay on schedule.

Mikkel Ibsen,
CEO & Co-Founder, Pilar

Their deep understanding of SCADA and automation has complemented our capabilities, allowing us to scale efficiently and strengthen our energy management solutions.

Miguel Gomes,
Global Technology Director, Efacec

We can rely on our colleagues in Wirtek to come up with ideas, technical solutions and implement them. The quality of the work delivered, the strong connections and their flexibility in finding the best possible solution are what keeps us going.

Kræn Munck Christensen,
Partner, Development Manager, INNOMATE A/S

When we signed up with Wirtek in 2022, we were excited to see if they could deliver as communicated. I can only say they have delivered above my expectations.

Lars Glintborg,
Software Development Director, Opoura

We chose Wirtek, because they were a good fit technically, within some of our key areas like web development, mobile development and testing. The biggest benefits for our company are access to talented people, quick turnarounds on communication, good, dedicated team and easy communication with management.

Morten Janum,
CIO and Partner, ProMark

We have cooperated with Wirtek since 2012 and see them as a reliable, serious and flexible business partner. They are working on different platforms with high demanding features on performance and usability, with great results. We give the very best recommendation for Wirtek.

Jens Ole Mortensen,
IT Manager, Twinca

Wirtek has always been able to ramp up fast, maintain and grow the teams working for Spectralink with highly specialized engineers. People’s commitment and the stability of operations have been giving Spectralink peace of mind since the beginning.

Charles Doyle,
Software QA Manager,
Spectralink Corporation

You have an IT challenge, we have the capability

Get a proposal