Pylon, a San Francisco, CA-based support platform for B2B businesses, has raised $31 million in Series B funding, bringing its total funding to $51 million.
Investors
The round was co-led by Andreessen Horowitz (a16z) and Bain Capital Ventures (BCV), with continued participation from General Catalyst, Y Combinator, and other existing investors.
Andreessen Horowitz (a16z) is a venture capital firm that backs bold entrepreneurs shaping the future through technology. Founded in 2009, the firm manages multiple funds across stages, sectors, and geographies, with over $46 billion in committed capital. a16z invests in companies at the seed through growth stages across AI, bio + healthcare, consumer, crypto, enterprise, fintech, gaming, infrastructure, and American dynamism.
Bain Capital Ventures (BCV) is the venture capital arm of Bain Capital, a global private investment firm. BCV is a multi-stage investor, providing capital to B2B software companies from the seed stage through growth rounds. Its investments range from $1 million for early-stage startups to over $100 million for more mature companies. As of March 31, 2025, BCV manages an estimated $9.4 billion in assets.
Pylon Use of Funds
The company will use the new capital to expand its AI-driven platform, grow its team across multiple functions, and accelerate its mission to reinvent B2B support.
About Pylon
Founded in 2022 by Advith Chelikani, Robert Eng, and Marty Kausas, Pylon offers a SaaS-based customer support platform specifically designed for B2B companies. It integrates directly into customer workflows on Slack, Teams, and Discord to power collaborative, relationship-driven support. The company offers AI agents and assistants that streamline workflows, reduce ticket volume, and transform customer interactions into actionable business intelligence. Headquartered in San Francisco, California, Pylon serves over 750 customers including Together AI, Cognition, Temporal, and AssemblyAI.
Funding Details
Company: Pylon Labs, Inc.
Raised: $31.0M
Round: Series B
Funding Date: August 2025
Lead Investors: Andreessen Horowitz, Bain Capital Ventures
Additional Investors: General Catalyst, Y Combinator
Company Website: https://usepylon.com/
Software Category: AI-Powered B2B Customer Support / Post-Sales Platform
Source: https://usepylon.com/blog/announcing-our-31m-series-b