Protosell Group
– For companies seeking international B2B growth
From idea to market leadership – an ecosystem built to scale
Within the Protosell Group, we collaborate across companies to drive intelligent B2B growth. Through our sister companies, tech initiatives, and international networks, we create scalable solutions for businesses aiming to grow – both locally and globally.
We actively work with chambers of commerce in countries including Germany, the USA, and across the Nordics, providing direct access to new markets and business cultures. Together, we create the right conditions for successful international expansion – with strategic connections, market insights, and sales tactics from day one
Protosell Holding
Structured growth through long-term ownership
Within the Protosell Group, we collaborate across companies to drive intelligent B2B growth. Through our sister companies, tech initiatives, and international networks, we create scalable solutions for businesses aiming to grow – both locally and globally.
We actively work with chambers of commerce in countries including Germany, the USA, and across the Nordics, providing direct access to new markets and business cultures. Together, we create the right conditions for successful international expansion – with strategic connections, market insights, and sales tactics from day one.
International expansion with proven methodology
Global Sales House (GSH) is a sister company to Protosell and specializes in helping businesses accelerate their international growth – without the need to build internal teams in every market.
Our focus areas include:
Go-to-market strategies across the Nordics, Benelux, and DACH
Local SDR teams with industry expertise
Market validation and pilot sales
Reseller and partner channel establishment
GSH acts as your external international sales organization – ready to deploy quickly. We’re hands-on, data-driven, and focused on conversion. With GSH, you gain scalable growth – without unnecessary overhead.
One of the key drivers behind Global Sales House is András Gosztonyi – with over 20 years of experience in M&A, international business development, and expansion. Deeply embedded in the German startup and scaleup ecosystem – especially in Berlin – András has an extensive network of investors, VCs, and tech entrepreneurs. He is also active in the UAE, offering clients global reach and efficient access to new markets.
Learn more at Global Sales House.
Automotive imagery that drives business
Piranha is not just an app – it’s a powerful business tool for the automotive industry. Born from close collaboration between the Protosell Group and German tech company Yoozoo, Piranha has, over the past five years, become a category leader in visual content management for car dealerships.
With just a smartphone camera and AI enhancement, Piranha creates:
360° interior & exterior vehicle views
HD-quality images comparable to studio photography
Full visual transparency for online vehicle sales
The app is now live in 45+ countries and trusted by thousands of dealers worldwide. We’ve built a solid network of 200+ resellers in the Nordics and secured framework agreements with several of the world’s leading automotive brands.
Protosell is responsible for sales and market rollout of Piranha in the Nordics, the UK, and the Netherlands – establishing the solution as the market leader in the Nordic region.
The future of vehicle presentation starts here: Piranha – Octopus tools – automotive imagery solutions.
