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Zefram

Helsinki, FI · 3 known investors

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Zefram, officially Stealth Black Oy, is a Finnish technology company that uses computers and large language models to identify sales prospects with real needs and generate tailored arguments highlighting mutual benefits. It targets B2B sales teams, aiming to help companies find suitable counterparts and communicate the value of a collaboration.

AI & Machine LearningSaaSSales Tech

Founders & leadership

TRTuomas Rasila
Tuomas RasilaFounder
ALAntti Lehtimäki
Antti LehtimäkiAntti Lehtimäki has worked in IT consulting, B2B SaaS sales, customer success operations, and software development, with experience leading product teams and writing code primarily in Python, alongside tools including MongoDB, PostgreSQL, GCP, Docker, and Kubernetes. He is co-founder of Zefram, which applies large language models to help B2B sales teams identify prospects and generate tailored sales arguments.

Investors · 3

Inventure✓ confirmed by ZeframHelsinki · $330K – $5.5M

How we know: Inventure's portfolio page · the company's own site · the VCSheet dataset · Not right? Tell us

Inventurelisted by InventureHelsinki

How we know: Inventure's portfolio page · Not right? Tell us

Frequently asked questions

What does Zefram do?
Zefram, officially Stealth Black Oy, is a Finnish technology company that uses computers and large language models to identify sales prospects with real needs and generate tailored arguments highlighting mutual benefits. It targets B2B sales teams, aiming to help companies find suitable counterparts and communicate the value of a collaboration.
Who founded Zefram?
Zefram was founded by Tuomas Rasila, Antti Lehtimäki.
Who are Zefram's investors?
Zefram's investors include byFounders, Inventure, Inventure.
Where is Zefram headquartered?
Zefram is headquartered in Helsinki, FI.