Oscar Karlstromer net worth
Quick answer
Oscar Karlstromer's estimated net worth is $5.0M (range $3.5M – $7.5M) as of 2026. Oscar Karlstromer is Founder at Zaplar. Zaplar valuation.
Oscar Karlstromer is Founder at Zaplar (YC S26). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: Sweden
- Industries: B2B, Operations
- Team size: 8
- Website: https://zaplar.com
Who is Oscar Karlstromer?
Oscar Karlstromer is a founder at Zaplar, a company that participated in Y Combinator's Summer 2026 program.
About Zaplar
Zaplar is the AI-native operating system for hotels.
We replace the entire hotel tech stack (PMS, POS, booking engine, etc) into one software that can handle hotel operations autonomously.
Learn more at https://zaplar.com
FAQ: Oscar Karlstromer net worth and Zaplar valuation
What is Oscar Karlstromer's net worth?
Oscar Karlstromer's estimated net worth is $5.0M (range $3.5M – $7.5M) as of 2026. Oscar Karlstromer is Founder at Zaplar. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.
What is Zaplar valuation?
Zaplar's estimated valuation on Entrepreneurial Check is $20.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.
What is Oscar Karlstromer's role?
Oscar Karlstromer is Founder at Zaplar, a Y Combinator-backed startup (batch S26).