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// agents

Synth

Voice agents that answer calls and book jobs for local businesses, 24/7.

AgentsConsumerSeries ACohort 05
Build the next oneAll companies
// overview

What Synth builds.

Synth gives every small business a tireless receptionist. Its voice agents answer calls, book appointments and follow up with customers around the clock, handling the work that used to slip through the cracks for 12,000 local businesses.

// the product

How it works.

01

Books appointments and answers calls 24/7

02

Live in 12,000 local businesses

03

Sets up in minutes with no code

// the basics

At a glance.

Sector

Agents ยท Consumer

Stage

Series A

SpireRise cohort

Cohort 05

Founded

2024

Headquarters

Austin, USA

// traction

By the numbers.

12,000
Businesses
4.2M
Calls handled
$22M
Total raised
55
Team
// in their words

From the founder.

"We came in with a rough prototype and left with paying customers and a term sheet we didn't have to chase."

Devin Park
Devin Park
Founder, Synth
// join them

Build the next Synth.

SpireRise backs AI-native founders with capital, compute and conviction. Cohort 07 is open.

Apply to Cohort 07See the portfolio