Riki Karjalainen net worth

Who is Riki Karjalainen?

Riki Karjalainen is a founder at Last Accounting Company, which participated in Y Combinator's Summer 2026 batch.

Highlights:

• Y Combinator S26
• Last Accounting Company

About Last Accounting Company

Last Accounting Company (LAC) is a full-stack AI accounting firm. We sell the same service (bookkeeping, tax filings, etc.) as a traditional accounting firm, but underneath agents handle everything and a certified accountant signs off. Our service is faster, cheaper, and fully integrated, allowing our clients to focus on what matters, not accounting admin.

LAC replaces both outsourced accountants and legacy...

FAQ: Riki Karjalainen net worth and Last Accounting Company valuation

What is Riki Karjalainen's net worth?

Riki Karjalainen's estimated net worth is $5.0M (range $3.5M – $7.5M) as of 2026. Riki Karjalainen is Co-Founder at Last Accounting Company. 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 Last Accounting Company valuation?

Last Accounting Company'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 Riki Karjalainen's role?

Riki Karjalainen is Co-Founder at Last Accounting Company, a Y Combinator-backed startup (batch S26).