Sistava vs Parloa

AI Voice and Phone

Parloa vs Sistava

Parloa builds AI voice agents for contact centres, automating dialogue across phone, chat, voice assistants and messenger apps at the level of a human call centre agent. It went from a $1B valuation in May 2025 to $3B in January 2026 on the back of a $350M Series D, passing $50M ARR with customers including Microsoft, Accenture, KPMG and Booking.com. Sistava operates at the other end of the market: self-serve AI employees for founders and small teams, where voice is one of many channels.

Profile

Pricing: Not published. Enterprise contracts quoted through sales.
Founded: 2018, Berlin, by Malte Kosub and Stefan Ostwald. Around 300 staff across Berlin, Munich and New York
Funding: Over $560M raised. $120M Series C in May 2025 at a $1B valuation, then $350M Series D in January 2026 tripling it to $3B. Over $50M ARR
Focus: Enterprise agentic AI for contact centres across phone, chat and messaging

Why Sistava

Sistava is self-serve from a free tier with published pricing. Parloa is an enterprise contract quoted through sales.
Sistava covers sales, marketing, support, operations and finance as employees. Parloa is focused on contact centre conversation automation.
Sistava employees carry layered memory across every channel and task. Parloa optimises the conversation and its handoff to human agents.
Sistava adds a shared board, sprints and work journals so calls connect to the rest of the work. Parloa reports on containment, handling time and resolution.
Sistava connects thousands of apps plus custom MCP servers and can drive a browser. Parloa integrates into the enterprise contact centre stack.

Feature Comparison

Feature	Parloa	Sistava
	✗	✓
	Core product	Voice channel
	✓	✓
	Customer service	Sales, Marketing, Support, Ops
	✗	✓
	✗	✓
	✗	✓
	✗	✓
	✗	✓
	Conversation and CRM context	Layered short-term, long-term, graph
	✗	✓
	Enterprise quote	Free (2,000 lifetime credits) + $49/mo