Synthflow's no-code platform lets you deploy ultra-responsive voice agents that handle complex customer calls with ease. Lightning-fast AI, hundreds of realistic voices (or clone your own), and powerful actions like appointment booking.
Total raised: $27.4M
Investors 1
| Date | Name | Website |
| 04.07.2025 | Singular | singular.v... |
Funding Rounds 2
| Date | Series | Amount | Investors |
| 30.06.2025 | Series A | $20M | - |
| 27.06.2024 | Seed | $7.4M | - |
Mentions in press and media 18
| Date | Title | Description |
| 23.06.2026 | Synthflow AI and AVANT Partner to Accelerate Enterprise Adoption of Agentic Voice AI | an Enterprise AI agent platform that automates customer conversations, has entered an exclusive strategic partnership with AVANT Communications to bring advanced, agentic Voice AI solutions to customers across industries, including consumer... |
| 18.10.2025 | Global Voice AI Emerges: SLNG.ai Secures €3.3M to Challenge US Dominance | SLNG.ai, a Barcelona startup, secured €3.3 million pre-Seed funding. Its bold mission: dismantle US-centric voice AI barriers. SLNG builds a truly global, developer-first infrastructure. It solves critical challenges. These include language... |
| 15.10.2025 | “Unmuting the world”: Spain’s SLNG raises €3.3 million to challenge US-centric speech AI infrastructure | SLNG.ai, a speech infrastructure startup out of Barcelona building the first radically global platform for voice AI, today announced it has raised €3.3 million in pre-Seed funding to challenge the US-centric voice technology ecosystem that ... |
| 02.07.2025 | +++ Nineteen Twenty-One +++ Synthflow +++ Chemovator +++ Prewave +++ Startup-Beauftragter +++ | Was gibt’s Neues? In unserem #StartupTicker liefern wir eine kompakte Übersicht über die wichtigsten Startup-Nachrichten des Tages (Dienstag, 2. Juli). #STARTUPLAND SAVE THE DATE: Am 5. November findet unsere zweite STARTUPLAND statt. Es er... |
| 30.06.2025 | Synthflow AI Lands $20M to Revolutionize Conversational Voice AI | Synthflow AI, the voice AI platform for automated phone calls, announced a $20M Series A investment round to drive the next wave of enterprise adoption for AI voice agents. The round is led by Accel, with participation from existing investo... |
| 25.06.2025 | The Rise of Synthflow AI: A New Era in Voice Technology | In the bustling world of technology, a new player is making waves. Synthflow AI, a Berlin-based startup, has recently secured €17.2 million in a Series A funding round. This brings their total funding to €25.8 million since their inception ... |
| 25.06.2025 | “Indistinguishable from a human voice”: Berlin-based Synthflow AI raises €17.2 million for its AI voice agent | German startup Synthflow AI, a voice AI platform for automated phone calls, today announced a €17.2 million Series A investment round to drive the next wave of enterprise adoption for AI voice agents. The round is led by Accel, with partici... |
| 25.06.2025 | Isar Aerospace steigt zum Einhorn auf | Im #DealMonitor für den 25. Juni werfen wir einen Blick auf die wichtigsten, spannendsten und interessantesten Investments und Exits des Tages in der DACH-Region. Alle Deals der Vortage gibt es im großen und übersichtlichen #DealMonitor-Arc... |
| 25.06.2025 | Synthflow AI Raises $20M in Series A Funding | Synthflow AI, a Berlin, Germany-based voice AI platform for automated phone calls, raised $20M Series A funding. The round was led by Accel, with participation from existing investors Atlantic Labs and Singular. The company intends to use t... |
| 24.06.2025 | Synthflow AI raises $20M to transform the global conversational AI market | Germany-based Synthflow AI, the voice AI platform for automated phone calls, has closed a $20 million Series A investment round to drive the next wave of enterprise adoption for AI voice agents. This follows the company’s seed round last ye... |
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