EntrepreneurialCheck
Martin Sosic estimated net worth profile

Martin Sosic net worth

Martin Sosic Net Worth 2026 (Estimated) · Founder at Wasp · YC W21
est. wealth $7.5M

Quick answer

Martin Sosic's estimated net worth is $7.5M (range $5.25M – $11.25M) as of 2026. Martin Sosic is Founder at Wasp. Wasp valuation.

Martin Sosic is Founder at Wasp (YC W21). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameMartin Sosic
RoleFounder
CompanyWasp
YC batchW21
Est. company val$15.0M
Assumed ownership50%
Est. paper wealth / net worth$7.5M
$5.25M – $11.25M
  • Company status: Active
  • Region: Croatia
  • Industries: B2B, Engineering, Product and Design
  • Team size: 2
  • Website: https://wasp-lang.dev/

Who is Martin Sosic?

Martin Sosic is a founder associated with Wasp, which was part of Y Combinator's Winter 2021 batch.

About Wasp

Wasp is a simple configuration language for building enterprise web apps with less code and best practices. If a developer wants to build an app like Instacart, they need to know a dozen different technologies and how to make them work together - Wasp solves this problem while still letting developers use React, Node.js and their other favourite tools.

We will enable enterprises to build modern apps quickly at...

FAQ: Martin Sosic net worth and Wasp valuation

What is Martin Sosic's net worth?

Martin Sosic's estimated net worth is $7.5M (range $5.25M – $11.25M) as of 2026. Martin Sosic is Founder at Wasp. 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 Wasp valuation?

Wasp's estimated valuation on Entrepreneurial Check is $15.0M. 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 Martin Sosic's role?

Martin Sosic is Founder at Wasp, a Y Combinator-backed startup (batch W21).