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Synthflow AI

Berlin, DE · Founded 2023 · 65 employees · 5 known investors

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Synthflow provides a platform for building AI voice agents using a modular, API-connected builder with in-house telephony, testing sandbox, real-time call monitoring, and data fine-tuning. It targets enterprises that need to deploy and manage voice automation at scale.

AI & Machine LearningEnterprise SoftwareSaaS

Founders & leadership

Synthflow AI was founded in 2023 by Hakob Astabatsyan, Albert Astabatsyan, Sassun M, and Sassun Mirzakhan-Saky.

HAHakob Astabatsyan
Hakob AstabatsyanCo-Founder & CEOHe previously co-founded Stack3 and Linksup, and held roles in business development at NuCom Group, management at Rocket Internet SE, and management consulting at The Boston Consulting Group. Earlier, he interned with the investment team at Ardian and worked as a graduate research assistant at the University of Mannheim's Chair of Corporate Finance.
AAAlbert Astabatsyan
Albert AstabatsyanCo-FounderHis work centers on building conversational AI systems. Before co-founding the company in 2022, he was an investment manager at E.ON, an investment analyst at Aquila Capital, and a consultant at PwC.
SMSassun M
Sassun MCo-Founder & CTO
SM
Sassun Mirzakhan-SakyFounder

Investors · 5

Atlanticlisted by AtlanticBerlin

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

Tenacity Capital Globallisted by Tenacity Capital Global

How we know: Tenacity Capital Global's portfolio page · Not right? Tell us

Atlantic LabsreportedBerlin · $108K – $540K

How we know: funding news · open dataset · 5k.vc investor directory · Not right? Tell us

SingularreportedParis

How we know: funding news · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

Funding

SEC filings, press & company announcements

$40M disclosed across 2 of 3 rounds · 2025–2026

Source: company announcements and press reports — follow each round's link for the claim.

In the news

"Indistinguishable from a human voice": Berlin-based Synthflow AI raises €17.2 million for its AI voice agent | EU-Startupseu-startups.com · Jun 2025Synthflow AI Raises $20M in Series A Fundingfinsmes.com · Jun 2025

Frequently asked questions

What does Synthflow AI do?
Synthflow provides a platform for building AI voice agents using a modular, API-connected builder with in-house telephony, testing sandbox, real-time call monitoring, and data fine-tuning. It targets enterprises that need to deploy and manage voice automation at scale.
Who founded Synthflow AI?
Synthflow AI was founded by Hakob Astabatsyan, Albert Astabatsyan, Sassun M, Sassun Mirzakhan-Saky in 2023.
Who are Synthflow AI's investors?
Synthflow AI's investors include Accel, Atlantic, Tenacity Capital Global, Atlantic Labs, Singular.
How much funding has Synthflow AI raised?
Synthflow AI has disclosed $40M raised across 2 of its 3 known rounds.
Where is Synthflow AI headquartered?
Synthflow AI is headquartered in Berlin, DE.