Tumbleweed raises €6.9M, Austria's largest spacetech seed round

Lessons from Oasis Alpha

The first mission, Oasis Alpha, launched on SpaceX Transporter-17 on 7 July 2026 with experiments for four customers, all first-time users of space. It was fully booked a year ahead and paid for upfront. According to the company, it was built in nine months, five times faster than the industry standard.

Tumbleweed says the mission showed that organisations with no space background can run experiments in three to four months for around €30,000. Customers receive a pre-certified, fault-isolated Pod, install their equipment, test it in their own facilities and hand it over for launch. In orbit, a built-in computer lets them monitor and control experiments remotely, much like using a cloud provider.

CEO and co-founder Julian Rothenbuchner argues that the vehicle is not the main obstacle. Payload preparation, launch approval, safety demonstration and orbital operations demand specialist expertise that can add years to a project. Tumbleweed's €15,000 offering bundles a Pod, development support, launch and operational support, with lead times of roughly two to three months that the company wants to shorten.

Demand and next steps

The company reports a customer conversion rate of about 40 per cent, with around two-thirds of customers coming through inbound enquiries. Its early users were universities and hospitals; it now targets national research institutes and contract research organisations, and eventually broader industry.

Three missions are planned for 2027 and already attract payloads from medical research, biotechnology and agritech labs. Tumbleweed expects to carry more than ten customers across them. The first mission covered materials science, including recrystallisation, and protein synthesis experiments using bacteria.