years of experience in the industry
global employees and experts
organizations put their trust in our product
data breach in the history of our company
About Tresorit
Tresorit provides secure content solutions that are intuitive and secure by design. It offers a seamless, all-in-one, end-to-end encrypted platform for secure data storage, file sharing, collaboration, data rooms, and e-Signatures — enabling teams, departments, and solopreneurs to work efficiently with colleagues, clients, and partners.
Trusted by over 11,000 organizations worldwide, Tresorit ensures the highest level of data protection for confidential information.
Tresorit is part of Swiss Post.
Trusted by over 11,000 organizations worldwide, Tresorit ensures the highest level of data protection for confidential information.
Tresorit is part of Swiss Post.
Our offices
Switzerland (HQ)
Tresorit AG: Franklinstrasse 27., 8050 Zurich | RegNr: CH-300.3.017.920-5, U-ID: CHE-349.825.210 | President of the Board of Directors: Tecla Solari
Hungary
Köztelek str. 6., 1092 Budapest
Germany
Josephspitalstraße 15., 80331 München
Our products
For Businesses
Move projects faster without compromising confidentiality. Run full cycle workflows from onboarding to sign-off. Seamlessly collaborate with prospects, clients, and partners – all inside zero-knowledge end-to-end encrypted, branded data rooms.
For Businesses
With Tresorit SecureCloud, you can store, sync, and share sensitive files with zero-knowledge end-to-end encryption – all within a secure, fully encrypted cloud platform. Stay in control of your confidential data at all times.
For Private Use
With SecureCloud, what’s private stays private. Securely store files, documents, and family photos with zero-knowledge end-to-end encryption – always protected, always accessible.
For Businesses
For high-volume confidential file exchanges, Tresorit FileSharing provides maximum security at every step of the way. Unlike other providers, Tresorit encrypts your files end-to-end – from your device all the way to your trusted recipients.
Meet the team
István Hartung, CEO
Istvan Hartung is the CEO of Tresorit. He brings strong leadership and technology expertise to the role, guiding the company’s strategic direction and growth. Istvan joined Tresorit in 2011 and was appointed CEO in 2023. Before that, he held senior roles in engineering and product development. He holds a Master’s in Computer Science from the Budapest University of Technology and Economics.
Peter St össel, CRO
Peter Stössel brings 30 years of sales experience across various industries, including 19 years in leadership roles. He joined Tresorit in October 2022 and was appointed CRO in July 2023. He leads all customer-facing teams and shapes Tresorit’s global sales strategy. Peter holds a degree in Business Administration from FAU Erlangen-Nuremberg.
Stéphane Croisier, CPO
Stéphane joined Tresorit in 2023 and oversees the Product Management team, which includes User Experience Research and User Experience Design. Before joining Tresorit, Stéphane held various executive positions at different ECM software vendors, bringing to the company his 20 years of expertise and thought leadership in the Document Management industry. Stéphane holds an MSc degree in Economics and Information Management from the University of Geneva.
Andrea Skaliczki, CFO
Andrea joined Tresorit in 2015 as Chief Finance Officer and coordinates the work of our legal and finance teams. Andrea brings her expertise in finance and accountancy to implement financial strategies and facilitate the company’s ambitious growth plans. Before joining Tresorit, Andrea was Head of Accounting, Controlling and Treasury at KPMG Hungary. She holds an MSc degree in Corporate Finance and Accountancy.
Oliver Jaeger, CMO
Oliver Jaeger joined Tresorit as Chief Marketing Officer in February 2024. Oliver brings 20+ years of experience to the role. He is responsible for developing and executing Tresorits overall marketing strategy and Product-Led-Growth. Prior to this role, Oliver held various international marketing leadership positions. Oliver holds a Diploma in Business Administrations from the University of Lueneburg.
Péter Budai, CTO
Peter joined Tresorit in 2012 and followed it's journey from the startup era to an established multinational company. As Chief Technology Officer, he oversees the engineering and security teams to ensure our products are delivered and operated steadily and up to the highest security standards. Peter is an alumni of the Budapest University of Technology and Economics.
Gabriella Nyíri, CHRO
Gabriella joined Tresorit in August 2020 as HR Manager, bringing her expertise in organizational and leadership development. As CHRO, Gabriella leads the HR Team and is responsible for our people agenda, including engagement, awareness and attraction, and organization development. Gabriella holds a BA degree in Business Administration from Budapest’s Corvinus University, and an MA in Psychology from Eötvös Loránd University in Budapest.