State-of-the-art buildings

The bedrock of a specialised asset is the building itself. The physical environment – comprised of the perfect mix of laboratories, office spaces and meeting facilities enables clients to connect with the right individuals, in the right organisations, at the right time.

Intrinsic to these extraordinary spaces is design that truly works for each individual tenant. Their exteriors may be eye-catching feats of architectural achievement. But their interiors are even more impressive. All tailored to provide the highest standard of practical and technical facilities to support your specific needs.

Working environments are comfortable and conducive to productivity and well-being, filled with natural light and clean air. Our newest developments are energy-neutral, using low-energy installations to limit energy consumption, as well as sustainable materials and circular construction practices during the build phase.

Inspiring spaces, occupied by inspirational people.

Plus Ultra offers companies the opportunity to grow at a prominent location in the Leiden Bio Science Park. With its vibrant centre, Plus Ultra Leiden brings together a large group of entrepreneurial companies, start-ups and knowledge institutions. This is how we create a community that revolves entirely around Life Sciences & Health. Synergy, meetings, cooperation and open innovation between companies are central to Plus Ultra Leiden. The name 'Plus Ultra' fits these values perfectly. Plus Ultra' means 'always on' and refers to the drive to keep innovating and improving.


Kadans Science Partner works with great architects when designing our buildings. That way we create a building of international allure. With the shared facilities based in the heart of the building, the design acts as the connecting driver between users and visitors. The design contributes to knowledge sharing, synergy and communication between community members. Our buildings are true eyecatchers that also provide a comfortable work environment for their daily users.

Kadans Science Partner is committed to sustainability and recognises the importance of promoting a sustainable future for our planet. As a company who specialises in investing, developing and operating specialised assets, we aim to create environments that foster innovation while keeping sustainability as a top priority. We believe that incorporating sustainable practices in the design, construction, and operation of our buildings can make a significant impact on our environment. Therefore, at Kadans, we focus on developing sustainable buildings that are energy-efficient, promote the use of renewable energy sources, and reduce waste and emissions. One example of our sustainable practices is our focus on energy efficiency. We strive to reduce energy consumption in our buildings by employing state-of-the-art technologies such as LED lighting, efficient insulation, and building automation systems that regulate energy use. Another example is the use of renewable energy sources to power our buildings. In conclusion, Kadans Science Partner is devoted to sustainability, and we continuously strive to create the most sustainable buildings and communities possible. By promoting sustainable practices, we are not only contributing to a healthier planet, but we are also providing our clients with attractive and responsible choices for their business operations.

Sustainable and comfortable

Each of our latest projects meets high standards of sustainability measures, as evidenced by the BREEAM certificates our developments have earned. We reduce the impact on our environment from the start of construction by using sustainable materials and circular building practices. Our latest developments are energy-neutral and use energy-efficient installations to reduce primary energy consumption. We also ensure that our users have a comfortable working environment and the facilities they need at their fingertips.


Our specialised team is involved in the construction process from the initial ideas to the completion of the final details. We only partner with the best parties, who have extensive experience in constructing bespoke buildings and spaces for innovative companies. We deliver our buildings in a comprehensive casco+ state, after which we can take into account specific requirements, we do this in a fit-out process where we help design the users’ spaces. Because we are closely involved in every step of the process, we can realise our buildings quickly.

Sovereign House is a laboratory and office refurbishment delivered by Kadans Science Partner, located within The Science Quadrant at Abingdon Science Park. Purchased in 2022, the building expands the current Kadans ownership at Abingdon Science Park. Abingdon Science Park is prominently located within one of Europe’s most thriving research and development ecosystems, home to world leading companies and innovation driving SMEs. Tenants already include Akamis Bio, Penlon OxDevice, Continuum Life Sciences, Scilogica, Genefirst and many more.

R&D facilities

We have years of experience in developing modern workspaces with the highest technical standards. Our technical experts can think with you in developing specific solutions such as open laboratories and offices to fully equipped plug-and-play laboratories. In addition, more tailor-made solutions such as cleanrooms and pilot plants are also possible. Thanks to our years of experience, we are also able to translate these specialised investments into rental propositions.

I want more