Fundraising Fox
Filip Stål
InvestorFounderCTO at Bluebook · Former Tech at Oxx
Stockholm, Stockholm County, Sweden
FoundedBluebook · YC
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About
Founder of Bluebook, which builds AI agents for accounting firms to automate research, reconciliations, and month-end closing work.
CTO at BluebookYC W25
Intro paths
Filip went through Y Combinator (Winter 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Gustaf Alstromer, General Partner at Y Combinator — the partner who ran Bluebook's batch and knows the company first-hand. YC profile ↗
In turn, Filip can intro founders to Bluebook's investors below.
Bluebook's investors · 4
Co-founders at Bluebook
Investments
Investor
Per curated public sources.
Frequently asked questions
- Who is Filip Stål?
- Founder of Bluebook, which builds AI agents for accounting firms to automate research, reconciliations, and month-end closing work.
- Where does Filip Stål work?
- Filip Stål is CTO of Bluebook.
- What companies did Filip Stål found?
- Filip Stål founded Bluebook.
- What companies has Filip Stål invested in?
- Investments tracked here include Ossus.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
KTH Royal Institute of Technology mafia140
Also came through, then founded or led a company.
Lovable mafia12
Also came through, then founded or led a company.
Oxx mafia3
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Bluebook's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights