We’re a community organisation aiming to build a world-class startup ecosystem in Aarhus backed by amazing stakeholders such as Aarhus University, Business Academy Aarhus, VIA University, The City Council of Aarhus, and Region Midtjylland. At Startup Aarhus we initiate programs and activities, that help solve our founder’s biggest challenges. Whether it’s securing funding, building networks, or gaining insights, we’re here to help you move forward, and make it easier for startups to change the world.

At Tandem, we create tailor-made BI and digital solutions with intent. Built around [ you ]. Intended for [ use ]. We serve organizations that need to transform their data into strategic advantage. For teams seeking structured insights and practical tools that deliver measurable impact. For businesses requiring digital solutions that integrate seamlessly into existing operations. This is our focus. We bridge technology and business outcomes. Every solution is customized and crafted with the end-user in mind. We combine technical expertise with commercial insight and a methodical approach to each engagement. This means close collaboration and investing time to understand both the challenge and the stakeholders involved. Our BI solutions deliver genuine business value while remaining accessible to those who use them daily. We develop dashboards that translate complex data into clear insights and actionable intelligence. Our digital solutions follow the same principle: sophisticated technology made practical, complex challenges resolved efficiently. No unnecessary complexity, no technical barriers. Clear, actionable intelligence and digital tools that enhance decision-making and operational efficiency. We founded Tandem after observing too many organizations struggle to extract value from their technology investments. We had seen how the right insights, properly presented, could transform not just strategies but entire business models. How digital solutions, when correctly implemented and adopted, could accelerate growth rather than create friction. We recognized the need for a different approach—one that balanced technical sophistication with practical application. That conviction guides our work. We are not here to showcase complexity or deliver generic solutions. We are here to partner with organizations in extracting meaningful value from their data and technology, creating solutions that are as powerful as they are practical.

Wardn is an ESG platform tailored for small and medium-sized businesses. We make sustainability reporting simple, actionable, and compliant—without the complexity. From identifying relevant ESG data to generating reports and insights, Wardn helps companies turn ESG from a burden into a strategic advantage. Each company on Wardn gets a digital ESG Profile—a living, visual format that makes it easy to share progress with customers, investors, and other stakeholders. It’s designed to increase transparency, build trust, and move ESG beyond a static PDF. We also integrate AI across the platform. Our AI supports both data collection and strategy—helping clients identify the right ESG data, analyze their performance, and receive tailored recommendations for improving their sustainability efforts. Whether it’s selecting better suppliers, reducing emissions, or engaging employees more effectively, Wardn makes it easier to take the next step. We’re building a future where ESG is not just about reporting—but about real action. And we’re looking for people who want to build it with us.

Tab is the API-first company that enables smart receipts to arrive straight to your mobile bank app, linked to the correct transaction. We help merchants deliver a seamless checkout experience and to unlock new avenues for post-sale engagement. Banks can offer better user experiences & reducing customer support costs and consumers can wave goodbye to lost receipts, tedious expense reporting processes and a more engaging banking experience.

LYTE is a Copenhagen-based startup on a mission to make hydration easy, healthy, and planet-friendly. We create clean electrolyte drinks that give your body exactly what it needs—without the extra sugar and plastic waste. We’re all about making you feel good, whether you're working out or just chilling. The beverage has been on the market for 4 months and we have already sold around 10.000 cans and have 15 retailers of LYTE.

At Cresnd, we’re transforming the nightlife industry by connecting nightclubs and event-goers through cutting-edge technology. The Problem: The nightlife industry lacks efficient tools for event discovery and venue management. Nightclubs face challenges in optimizing operations, and event-goers struggle to find events that match their interests. Our Solution: Cresnd provides an AI-powered platform that offers personalized event recommendations, real-time analytics for clubs, and seamless booking systems, creating a more efficient and engaging nightlife experience for both hosts and attendees. Key Benefits: 1. Personalized Event Discovery: Tailored recommendations based on music tastes and interests. 2. Advanced Analytics for Hosts: Real-time insights to optimize operations and boost engagement. 3. Seamless Integration: Easy-to-use tools for event booking, ordering, and tracking customer volume all in one place. Our Mission: We’re revolutionizing the nightlife industry by using technology to empower nightclubs and enhance event discovery for attendees. Cresnd aims to create a smarter, more connected nightlife experience for everyone. At Cresnd, we’re combining innovation with passion to reshape the future of nightlife.

HealthBuddy empowers individuals to take control of their health through accessible, innovative, and patient-centered digital solutions. Focused on delivering high-quality digital health solutions, HealthBuddy collaborates closely with healthcare providers and people living with disease to create tools that meet real-world needs. Our mission is to make digital health solutions an integral part of everyday care, improving outcomes and the quality of life for patients everywhere.

Elly is an early-stage, pre-revenue AI startup revolutionizing the future of AI interactions. Our innovative solution curates and recommends the best AI models based on user prompts, ensuring seamless, private, and energy-efficient interactions with top-performing, compliant models. Elly's mission is to elevate AI conversations by continuously accessing and recommending the best AI models tailored to user prompts. This approach not only enhances the quality of interactions but also boosts productivity through an intuitive interface and advanced prompt engineering. With our platform, we're setting new standards for accessible, efficient, private and compliment AI for all.

We develop a software product for energy companies and wind developers to guide the end-of-life phase of wind farms. Our mission is to accelerate wind energy renewal and ensure no components end up in landfill. ReWind began as an internal project in DNV, but has since spun out into an independent, fast-growing company since launching our product.

Flimmer ✨ is a social video app for kids aged 6–12 that turns screen time into play and learning 🧠 Think of it as a digital clubhouse where kid-friendly creators teach kids anything from science to street dance — through videos that are fun, safe, and packed with curiosity. We’re building the next-gen kids’ media that promotes active screen time: content that makes kids think, ask questions, play, and create themselves.

Termio - Simplifying compliance & policies with AI, driving trust, transparency, and higher conversion. With Termio, you’ll automate terms & conditions staying compliant in real-time. Cookie policies, payments, returns, general terms, privacy policies and all other policies. No more endless reading or worrying about missed details—just straightforward, automated, updated and verified.

CleanQuote is the leading platform designed to streamline the vessel cleaning industry by connecting ship operators with vetted suppliers for underwater services, hold cleaning supplies, and shore cleaning gangs. We empower maritime professionals by offering a one-stop solution for obtaining competitive quotes and managing cleaning operations across 1,000+ ports worldwide, ensuring efficiency and transparency in a complex industry. The maritime industry often struggles with the inefficiencies of managing vessel cleaning operations in numerous ports all over the world, which are essential for maintaining vessel performance and regulatory compliance. Ship operators face the challenge of finding reliable and cost-effective cleaning services and supplies, often spending excessive time and resources coordinating with multiple suppliers and agents. This problem affects a wide range of stakeholders, including vessel owners, operators, and port authorities, across a global scale, leading to unnecessary delays and operational inefficiencies. CleanQuote solves these challenges by offering a digital platform that centralizes and simplifies the process of sourcing vessel cleaning services and supplies. Users can send requests for quotes to a network of pre-vetted suppliers, covering everything from underwater hull cleaning to shore cleaning services and hold cleaning supplies. The platform's features include a detailed port and supplier search, automated request handling, and comprehensive fleet management tools, such as idle stay monitoring and fleet overviews using AIS data. By providing a seamless interface and robust data management, CleanQuote helps maritime professionals optimize their operations, reduce downtime, and improve overall efficiency. Founded by an ex-operator at DS Norden, a leading player on the market, CleanQuote was born from first-hand experience with how manual and ineffective vessel cleaning operations is in most maritime companies today. After building and growing the company successfully for years, an ownership change took place in 2024 to further accelerate growth of the company.

The convergence of AI, short-form video, and complex marketing mixes has created a perfect storm in paid advertising. At Plug, we're at the forefront of this change, bringing together technology and creativity to unlock tangible results for advertisers in paid social. With 15+ years of prior experience, our team develops solutions that cut through the hype and drive growth. Plug is an early-stage startup that in its simplest form enables paid social advertisers to grow their business without a hassle. For starters, we’ve launched the industry’s simplest solution enabling product-level videos in catalogs of any size with outstanding results from our first customers. We, for example, work with AI-generated avatars to take product-level advertising to the next level in personalisation.

At Centi, we believe in the power of ownership. Companies that give employees, board members and other stakeholders the opportunity to be owners create better outcomes for individuals, businesses and society as a whole. That said, setting up and managing ownership is often messy, time-consuming and rarely secure. This is what we are changing. We are building the leading equity management platform that enables businesses to manage equity ownership and engage their employees. We are still in the first innings of a long game, and we are looking for talented people to join us in our mission to create better outcomes for all. Our goal is to take the friction out of ownership and make it, well, just… work.

At Bliksund, we dedicate ourselves to creating mission-critical systems that help emergency and healthcare professionals focus on what really matters – saving lives. Our goal is to create innovative, user-friendly solutions that support emergency workers in both daily operations and during crisis situations. Bliksund is a leading software company providing digital tools for emergency services globally. We are a diverse team spread across different locations, cultures and languages. What we all have in common is a dedication to developing cutting-edge digital tools to make work easier, safer and more efficient for our customers. We are a global scale-up built on a Nordic easy-to-work-with culture.