
35up is a technology company that provides an automated cross-selling platform designed to increase online merchants' basket size and revenue by recommending complementary products and services. Their platform leverages AI to automatically match relevant products from the merchant's inventory or from a vast vendor network of over 5 million items, including physical products, digital goods, insurances, and services. The solution integrates seamlessly via API or plugins for popular e-commerce platforms like Shopware and Shopify, allowing merchants to maintain full control over product selection and pricing. 35up's business model includes subscription plans with commission fees on sales of external products. The company emphasizes ease of integration, flexibility, and continuous optimization of cross-selling recommendations to boost margins and customer satisfaction. Their platform is used by various online shops, helping them increase basket size by 11%, additional margin by 40%, and achieve 35% of orders with cross-selling. 35up is based in Berlin and operates with a diverse team, focusing on helping smaller online shops compete with large marketplaces through advanced cross-selling technology.

35up is a technology company that provides an automated cross-selling platform designed to increase online merchants' basket size and revenue by recommending complementary products and services. Their platform leverages AI to automatically match relevant products from the merchant's inventory or from a vast vendor network of over 5 million items, including physical products, digital goods, insurances, and services. The solution integrates seamlessly via API or plugins for popular e-commerce platforms like Shopware and Shopify, allowing merchants to maintain full control over product selection and pricing. 35up's business model includes subscription plans with commission fees on sales of external products. The company emphasizes ease of integration, flexibility, and continuous optimization of cross-selling recommendations to boost margins and customer satisfaction. Their platform is used by various online shops, helping them increase basket size by 11%, additional margin by 40%, and achieve 35% of orders with cross-selling. 35up is based in Berlin and operates with a diverse team, focusing on helping smaller online shops compete with large marketplaces through advanced cross-selling technology.
What they do: API-first automated cross-selling platform that recommends complementary physical and digital products and services
Founded / HQ: February 2020; Berlin, Germany
Tech / integrations: Headless API / SDKs and plugins (Shopware, Shopify) for checkout embedding
Scale signals: Access to ~4–6 million external products; reported ~17 employees
Funding: Seed (Mar 2021) and Series A (Sep 29, 2022); Series A led by Capnamic
eCommerce cross-selling, checkout conversion, post-purchase and in-checkout product recommendations
2020
eCommerce SaaS
Seed round announced March 2021
Series A announced Sept 29, 2022; other named investors include DvH Ventures and coparion
“Capnamic, DvH Ventures, coparion”