Vespa.ai
Vespa.ai operates Vespa Cloud, a platform for running AI-powered big data services online, and maintains an open-source project used by organizations with demanding performance needs. The 66-person company raised $31M in Series A funding in November 2023.
The growth story
Vespa.ai grew from 3 to 66 employees between 2023 and 2026, raising $31M along the way, most recently a Series A in November 2023.
About
Vespa.ai provides a cloud platform for organizations to deploy AI-driven big data services in real-time, alongside maintaining an open-source project focused on high-performance data serving. Its technology is used by companies with stringent availability and functional requirements.
The company raised $31M in Series A funding in late 2023, led by Blossom Capital. With 66 employees, Vespa.ai has built a team primarily focused on engineering, drawing talent from companies like Yahoo and Verizon Media.
Founders and leadership
Engineering is the largest function at Vespa.ai, with 28 employees. The company is headquartered in Trondheim, Norway, and maintains a lean organizational structure with a median tenure of 2 years.
The Vespa.ai org chart
Jon Bratseth (CEO) leads 13 mapped leaders with 3 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 27 (-4% YoY), Marketing 7 (0% YoY), Business Development 5 (+150% YoY), Sales 3 (0% YoY), Operations 3 (-25% YoY).
Talent flow
Vespa.ai recruits heavily from Yahoo, Verizon Media, and Oath, with 14 employees coming from Yahoo alone. Alumni have primarily moved to Hornet.dev, a company founded by a Vespa.ai alumnus that employs 19 former Vespa.ai staff.
Most common previous employers of Vespa.ai staff: Yahoo (14), Verizon Media (8), Oath (8), Overture (5), Fast Search & Transfer (4), Norwegian University of Science and Technology (NTNU) (4). Former Vespa.ai employees most often moved to Hornet.dev (8), WABI (1), AI (1), Microsoft (1), Aviant (1), Appear (1).
Web traffic
Traffic mix: 0% direct, 0% search, 0% social, 0% paid.
What this company is made of
Most common skills at Vespa.ai: Java (24), Git (20), Software Development (20), Linux (19), Distributed Systems (18), Python (Programming Language) (18), Agile Methodologies (14), SQL (12).
Where the team actually sits
Vespa.ai people are concentrated in Trøndelag, Norway (28), Norway (3), District of Columbia, United States (2), Trondheim Region (2).
Search footprint
Vespa.ai attracts about 2,703 organic search visits a month, traffic worth roughly $1K a month if bought through ads. It gained 83 ranking keywords and lost 66 in the last period.
Frequently asked
Vespa.ai has 66 employees as of September 2026.
Vespa.ai has raised $31M in total, most recently a Series A round in November 2023.
Vespa.ai was founded in 2023 by Frode Lundgren.
Jon Bratseth (CEO) sits at the top of Vespa.ai's reporting structure, with 3 direct reports.
The most common previous employers of current Vespa.ai staff are Yahoo (14 people), Verizon Media (8 people), Oath (8 people).
Former Vespa.ai employees most often move to Hornet.dev (8), WABI (1), AI (1).
Vespa.ai attracts about 2,703 organic search visits a month, worth roughly $1K a month in equivalent ad spend.
The most common skills among Vespa.ai staff are Java, Git, Software Development, Linux, Distributed Systems.
Vespa.ai staff are concentrated in Trøndelag, Norway (28), Norway (3), District of Columbia, United States (2).
Vespa.ai has about 27 people in Engineering, down 4% over the past year, as of September 2026.
Vespa.ai has about 7 people in Marketing, up 0% over the past year, as of September 2026.
Computed from 50 current and 23 former Vespa.ai profiles, as of September 2026. Source: Crustdata.
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