Synthflow
Procurement partnerAbout
Synthflow AI is an enterprise Voice AI platform that enables businesses to automate inbound and outbound phone calls using AI voice agents capable of natural language conversation, appointment booking, lead qualification, call routing, and CRM integration. Founded in Berlin in 2023, the platform includes in-house telephony infrastructure, a visual flow designer, automated testing, and real-time monitoring. Synthflow also supports chat-based agents, enabling omnichannel conversational automation ...
Technology Categories
Details
Headquarters
Berlin, Germany
Website
synthflow.aiFounded
2023
Company size
51-200 employees
Offerings
21 active
VenSearch Intelligence
Ideal Customer
- Synthflow's stated sweet spot is mid-market to enterprise companies with high inbound or outbound call volumes, particularly those operating in regulated industries such as healthcare, financial services, and BPO.
- Documented customer profiles include a $230M multinational BPO operator running 600K+ monthly calls, a $100M+ US CRM platform handling 500K+ monthly calls, and Medbelle, a UK/EU healthcare group with 51–200 employees.
Key Differentiators
- Synthflow differentiates primarily on three dimensions: proprietary in-house telephony infrastructure delivering sub-100ms latency and 99.9% uptime without reliance on third-party carriers; a no-code visual Flow Designer that enables non-technical teams to deploy production-grade voice agents in weeks rather than months; and its BELL (Build, Evaluate, Launch, Learn) framework that systematizes enterprise AI lifecycle management including a Test Center, Auto-QA, and real-time monitoring.
- It has been named a G2 Grid Leader for AI Agents, ranked #4 in the G2 Top AI Agents worldwide with the #1 Customer Satisfaction score and Fastest Implementation badge, and placed in the top 5 of G2's 2026 Best Fastest-Growing Products list.
Industries Served
- Synthflow's primary industry focus is BPO and contact centers, healthcare, financial services, SaaS and technology, retail, real estate, and telecom.
- Its healthcare offering is explicitly HIPAA-compliant, targeting patient scheduling, after-hours triage, and intake workflows for clinics and care groups.
Service Coverage
- Synthflow AI is headquartered in Berlin, Germany, and operates globally, serving enterprise customers across the US, Europe (UK, EU, DACH region), and Latin America.
- The company recently opened a US office to accelerate North American expansion, and its VP of Global Revenue is based in Dallas, Texas.
Partnerships
- Synthflow's most significant named technology partnership is with Freshworks, embedding real-time voice AI natively into Freshcaller, Freshdesk, and Freshservice to automate up to 65% of routine voice requests.
- In April 2026, it announced a strategic partnership with 8x8 (NASDAQ: EGHT) to integrate its agentic AI into the 8x8 Contact Center, with a roadmap for 8x8 and its channel partners to resell Synthflow directly and via the 8x8 App Store.
Company Size
- Synthflow AI was founded in 2023 by Hakob Astabatsyan (CEO), Albert Astabatsyan, and Sassun Mirzakhan-Saky, operating legally as AgentFlow AI GmbH.
- Employee headcount is estimated at approximately 60–72 as of early-to-mid 2026, with active hiring across Berlin and remote US roles.
Ownership
- Synthflow AI is privately held, incorporated as AgentFlow AI GmbH in Berlin, Germany, and is founder-led with Hakob Astabatsyan serving as CEO.
- It has received venture capital backing from Accel (Series A lead, estimated ~13% stake), Atlantic Labs (seed and Series A participant, estimated ~13% stake), Singular (seed lead, Series A participant), and BigStory VC, with founders and staff retaining an estimated ~75% combined ownership.
Compliance & Certifications
- Synthflow holds a comprehensive compliance stack that includes SOC 2 Type II, HIPAA, PCI DSS v4.0.1, ISO/IEC 27001, ISO/IEC 42001:2023 (AI management systems), GDPR, DORA, and the EU AI Act, all documented on its public Trust Center at security.synthflow.ai.
- It offers US and EU regional data tenancy so that PHI and sensitive data never cross regions, and enterprise contracts include MSAs, DPAs, and HIPAA Business Associate Agreements.
Compiled from public sources by VenSearch · Last researched October 14, 2026
Offerings
21 offeringsAI Answering Service
An AI voice agent offering that provides always-on call answering for businesses, handling overflow calls and after-hours inquiries without requiring human agents. It ensures no calls go unanswered and can collect information or route calls based on defined logic.
AI Appointment Booking
An AI voice agent use case focused on automating the end-to-end appointment scheduling process, including confirming availability, booking time slots, sending follow-ups, and reducing no-show rates. It connects to calendar and scheduling tools to complete bookings within the call.
AI Appointment Setter
An AI voice agent configured to qualify leads and initiate outbound or inbound conversations with the goal of scheduling appointments. It integrates with calendars and CRMs to confirm bookings and update records automatically.
AI Concierge
An AI voice agent use case designed to provide a high-touch, guided customer experience similar to a concierge service. It handles inquiries, provides information, and guides callers through workflows in a natural, conversational manner.
AI Customer Service Agent
An AI voice agent use case configured to handle inbound customer support calls, answer common inquiries, route calls, and escalate to human agents when needed. It supports after-hours availability, multilingual conversations, and sentiment analysis.
AI IVR (Interactive Voice Response)
An AI-powered replacement for traditional IVR systems that uses natural language understanding instead of fixed menu options or keypad inputs. Callers can speak naturally and the AI identifies intent, routes calls, answers questions, and completes actions without rigid scripted paths.
AI Receptionist
An AI voice agent configured to act as a virtual receptionist, answering incoming calls, collecting caller information, and routing conversations to the appropriate team or resource. It operates continuously without requiring human staffing for front-line call handling.
AI Sandbox for Testing (Test Center)
A testing environment built into the Synthflow platform that allows teams to preview, compare, and roll back agent versions safely. It runs simulated calls to measure accuracy, response quality, and compliance against KPIs before agents go live with real customers.
AI Voice Agent Platform
A full-stack Voice AI platform that allows enterprises to design, deploy, and manage AI voice agents for automating inbound and outbound phone calls. It includes a visual Flow Designer, sub-100ms latency in-house telephony, multi-language support, and deep CRM and ERP integrations for handling tasks like routing, appointment booking, lead qualification, and customer support at scale.
Auto-QA and Conversation Analytics
An automated quality assurance feature that analyzes every conversation after calls go live, tracking accuracy and intent to continuously feed improvements back into agent versions. It provides insights that drive ongoing performance gains without manual review.
BELL Framework
The Synthflow BELL (Build, Evaluate, Launch, Learn) Framework is a structured deployment methodology built into the Synthflow platform for enterprises to deploy Voice AI reliably and at scale. It connects every stage of the agent lifecycle, including automated testing in a Test Center, production launch via Synthflow's telephony network, and continuous improvement through Auto-QA and real-time monitoring.
Custom Telephony (In-House Telephony Network)
Synthflow operates its own enterprise-grade communications infrastructure delivering sub-100ms latency and carrier-grade reliability. It integrates directly with existing SIP or PBX setups, supports connection through customer-owned carriers or SIP trunks, and is compatible with enterprise systems such as Cisco, Avaya, Genesys, and RingCentral.
Data Fine-Tuning
A feature that allows enterprises to use their own historical call data to train and improve AI agent models. Fine-tuning improves model accuracy and behavior based on real conversation data specific to each enterprise's workflows.
Forward-Deployed Engineers
A professional services offering where Synthflow engineers work directly with enterprise customers to launch AI voice agents, taking deployments from pilot to production within weeks and delivering measurable ROI within the first 60 days.
Multi-Agent System
A modular voice flow architecture that allows enterprises to build flexible, API-connected agent workflows where subflows act as specialized agents that handle tasks independently. It gives teams full control over complex call logic at scale.
Omnichannel Conversational AI
A capability that enables enterprises to design, deploy, and manage AI agents across voice, chat, SMS, and additional channels all from one platform. It brings consistency, compliance, and real-time intelligence to customer interactions regardless of channel.
Real-Time Monitoring
A built-in monitoring capability that provides real-time visibility into every call, webhook, and API interaction. It enables faster debugging and confident deployment by surfacing live operational data as calls happen.
ROI Calculator
A tool available on the Synthflow website that allows potential customers to calculate the measurable business impact of deploying AI voice agents, including time savings, cost reductions, and improvements to customer experience metrics.
Synthflow Marketplace
A marketplace ecosystem within the Synthflow platform where developers and partners can access, share, or distribute AI agent templates and integrations. It supports the broader partner and developer ecosystem around the Synthflow platform.
WhatsApp Integration
An integration that extends Synthflow's conversational AI capabilities to the WhatsApp messaging channel, enabling businesses to automate customer interactions via WhatsApp alongside voice and other channels.
White-Labeled Voice AI
A white-label offering that allows companies such as CRM platforms and BPO operators to embed fully branded Synthflow voice AI agents into their own products or client programs. Customers can launch branded voice automation layers without custom infrastructure development.
Considering Synthflow?
Our team will work with you to determine if Synthflow is the right fit for your organization. From research and assessment through procurement negotiation and ongoing vendor management — we handle the entire process at no cost to you.