Proof of the sum

➕NEW COLLEAGUE ➕ Hi, time for some introductions! My name is Carolina and I see architecture as a collective process, driven by curiosity, adaptability and a constant exchange between people and scales. 🏗 Welcome to Proof, Carolina! 🥳 If you want to connect, you can e-mail Carolina 📩: [email protected] @carolinavanni_

Plus Ultra III is featured in NL25 NL25, published by @_maaslawrence_ , documents architectural projects completed in the Netherlands in 2025, offering a broad overview of the year’s built work across scales and typologies. We are proud to have received the book during the launch event on April 23. The projects included represent approximately 7% of the total architectural production realized in 2025. Plus Ultra III is part of this selection. The book brings together 134 architecture offices, around 2% of all practices in the Netherlands, including our office. Credits to the team: @kadanssciencepartner @wijnenbouwgroep @werkenbijvandenpol Instaan Installaties CLT-S @loosvanvliet Adviesbureau Lüning KVMC BBL Brandveiligheidsadvies @we_are_prettyplastic @moldura.interieurbouw ZND Nedicom @marcel_van_der_burg @ijzerman

Poortgebouw; a beating heart for the campus ♥ Proof of the sum is commissioned as interior architect for the Poortgebouw, the central landmark of Health Campus Limburg DC. The building brings together knowledge institutions, care providers, companies, and public stakeholders within an open innovation environment. 🧠 We develop a coherent interior for all shared spaces, from reception and meeting hubs to flexible workspaces, including fixed elements, loose furniture, and wayfinding. The concept is based on Design Thinking, organizing the building into spaces for inspiration, ideation, and implementation. ✏ Completion is set for 2027! 🏗 Client: @pomlimburg Team: Proof of the sum, @studiomuoto & @tab______architects Contractors: Vanderstraeten nv & @cordeel_group Team Proof: @roypype , @giorgia.sp , @ateljvb , @clair0s & Nada Kodela

🫵ARCHITECT, WE NEED YOU!🫵 to join our team in Amsterdam. 🇳🇱 At Proof of the sum, we design environments that enable knowledge exchange between future users: whether on the scale of an interior, a building, or a masterplan. We believe in the power of connection. Not only in what we design, but in how we work. 👷 What you can expect at Proof: – Working in focused teams with changing compositions – Moving between concept, competition and realisation – Switching across scales: interior, building, urban – A high level of independence and trust – Space for initiative, authorship and responsibility – Collaboration with clients who value knowledge sharing If you believe architecture is about connecting people, knowledge and space, we would like to hear from you. If this resonates, we would like to hear your story. ✏ Reach out to us: 🌏[email protected] 📩

🏙NEW: Oak Centre! 🏙 A 57,000 m² transformation of an existing structure into a flexible ecosystem for laboratories, GMP production, offices, and shared spaces on the GETEC campus in Stein, Switzerland. 🇨🇭 Structured in clusters, Oak Centre adopts a “house-in-house” concept that combines full independence with the advantages of a larger ecosystem. Functions are organized within a clear framework that balances interaction and efficiency, while a modular and adaptable design ensures high-quality, ready-to-use spaces for life science companies to grow and evolve. 🏗 Client: GETEC AG Team: Proof of the sum, VILS, Gruner AG, RISAM AG Team Proof: @roypype , @a_zuma_89 , @blaz.solar , @giorgia.sp & @ateljvb Video: @mircemladenov

⚡POWER TO X ⚡ On March 12, Bosch and the Municipality of Tilburg will sign a Letter of Intent (LOI), marking an important next step in the transformation of the Bosch location on business park Het Laar. 🏗️ The development vision explores how this mono-functional industrial area can be revitalised and densified into a future Power to X campus. The proposal was developed through a workshop-based design process, bringing together Bosch, the Municipality of Tilburg and FABRICations to explore spatial scenarios for the site. ✏️ By building on the existing Bosch production hall, opening the site through new public routes, and introducing new layers of programme, the vision demonstrates how industrial areas can evolve into collaborative innovation ecosystems. ♻ Client: Bosch (@bosch_nederland ) & Gemeente Tilburg (@gemeentetilburg ) Team: Proof of the sum, @fabricationsbyfabric & REBEL Team Proof: @roypype @mauritsvardenne & @_gianmarcolisi Visuals: Proof of the sum & FABRICations

We’re pretty proud to share that Basic Third is featured on @dezeen ! Pretty Plastic's newest façade tile made from upcycled plastic is featured on Dezeen in its first realised application at Plus Ultra III, The Netherlands’ first timber laboratory building by @proofofthesum . The article showcases how Basic Third supports scalable circular architecture through its modular design, efficient installation and versatile aesthetic. Plus Ultra III: @proofofthesum for @kadanssciencepartner Photography: @marcel_van_der_burg Grateful for the inspiring collaboration on this project! Read the full article on Dezeen. #PrettyPlastic #BasicThird #Dezeen #BuildingFromWaste #CircularMaterials #FacadeDesign #SustainableArchitecture #MaterialInnovation

PLUS ULTRA III: from ambition to built reality What happens when sustainability becomes the starting point for a building that brings together laboratories, offices, and pilot plants? And what does it take to realise the first building in the Netherlands with laboratories constructed in timber? This documentary takes you inside the making of Plus Ultra III on Wageningen Campus. Through the perspectives of @kadanssciencepartner , together with Proof of the sum and @we_are_prettyplastic , the film explores how material innovation, design ambition, and close collaboration shaped a new kind of research building, where timber construction and recycled plastic play a central role. We’re proud to share this documentary, created by Marcel IJzerman (@ijzerman ), with contributions from Kadans Science Partner, Proof of the sum, Pretty Plastic, Adviesbureau Lüning, INSTAAN Installaties, and Van den Pol Elektrotechniek. 🎥 Watch the documentary and discover the story behind Plus Ultra III. Client: @kadanssciencepartner Design team: Proof of the sum, @loosvanvliet , Adviesbureau Lüning, KVMC & BBL Brandveiligheidsadvies, @we_are_prettyplastic @moldura.interieurbouw & Nedicom Contractors: @wijnenbouwgroep , @werkenbijvandenpol , Instaan Installaties, CLT-S Team Proof: @roypype @mauritsvardenne Eerde van Leeuwen @joana_c_marques & Johan Pragt

🏆FROM AWARD TO PUBLICATION 🏆 On November 17th, we attended the Architizer A+Awards ceremony in Paris to officially receive the prize for Milence Truck Charging. Winner in the Sustainable Transportation Project category. ⚡️ We’re honoured that this project is now also featured in <The World’s Best Architecture 2026> by @architizer . A collection celebrating the most impactful architecture from around the globe. 🌏 A heartfelt thank you to our partners Milence, Arcadis, Today | branding agency, Treetek, and DEKRA for the inspiring collaboration that made this possible. Together, we’re shaping the future of sustainable mobility. One charging stop at a time. ♻ Client: Milence Consultants: @arcadisglobal , @_treetek_ , @todayutrecht & @dekra_nl Team Proof of the sum: @roypype @blaz.solar @inecarv @celine.dorval @senis_martynas @giorgia.sp @nooitmeernaarhuis.nl , @joana_c_marques , Klemen Gomiscek, Di Fang & Xabier Larrinaga Mugica @architizerawards

➕NEW COLLEAGUE ➕ Hi my name is Gianmarco, and I move fluidly between big-picture thinking and precise detailing. My work centers on designing spatial experiences that foster interaction. ♻ Welcome to Proof, Gianmarco! 🥳 If you want to connect, you can e-mail Gianmarco📩: [email protected] @_gianmarcolisi

Yesterday, Plus Ultra III officially opened its doors! A major moment for everyone involved in the design and realization of this pioneering project at Wageningen Campus. The opening marked the celebration of a shared ambition: to create an inspiring, sustainable environment for innovation and collaboration. Plus Ultra III sets a new standard: it is the first building in the Netherlands with laboratories integrated within a timber structure. The combination of advanced lab facilities and a predominantly wooden construction demonstrates how sustainable building technologies can meet the highest technical and functional requirements. We look back at 1.5 years of construction: from the first CLT panels to the installation of the façade made of 100 % recycled plastic tiles by Pretty Plastic. A project that embodies innovation, craftsmanship, and collaboration. And most of all: a milestone we are thrilled to share! Client: @kadanssciencepartner Design team: Proof of the sum, @loosvanvliet , Adviesbureau Lüning, KVMC & BBL Brandveiligheidsadvies, @we_are_prettyplastic @moldura.interieurbouw & Nedicom Contractors: @wijnenbouwgroep , @werkenbijvandenpol , Instaan Installaties, CLT-S Team Proof: @roypype @mauritsvardenne Eerde van Leeuwen @joana_c_marques Johan Pragt Photography: @marcel_van_der_burg

🇫🇷 Paris apPROOFed 🇫🇷 At Proof of the sum, we believe in the power of connection between people, places, and ideas. This belief also shapes how we learn and grow as a team. 👥 At the end of September, we travelled with the Eurostar to Paris for a few days of exploration and exchange. Each visit was led by one of our colleagues, sharing insights and perspectives on projects across the city. 🏙 These moments outside the studio strengthen our collaboration and spark new ideas. Reminding us that connection is at the heart of everything we do. 🤝 Thanks, @roypype , for bringing Proof together!