Gusto has acquired Mosey, an AI-powered business compliance platform, in a move designed to bring end-to-end compliance management directly into Gusto’s existing platform.
The acquisition aims to address one of the most persistent barriers to small business growth in the United States: regulatory compliance. No deal value has been disclosed.
Gusto serves more than 400,000 small businesses across the US, helping them hire and pay their teams. Its platform covers payroll processing, employee benefits administration, and HR tools tailored to the needs of smaller organisations. The company’s overarching mission is to serve as the go-to platform for small businesses at every stage — from starting out to scaling up.
Mosey was founded by Alex Kehayias following his own experience navigating the compliance pitfalls that confront nearly every new business owner, including hiring without the correct legal setup, incorrect payroll configuration, and missed tax deadlines. After observing thousands of other founders encounter the same obstacles immediately after incorporation, Kehayias built Mosey to answer the question “okay, what do I do next?” at scale. The platform uses AI to automate state and local registration, filing, renewal, and ongoing compliance management.
Small businesses represent nearly half of all private-sector employees in the US, yet compliance remains a significant drag on growth. Businesses with fewer than 50 employees face roughly $14,700 per employee per year in compliance costs — approximately 20% more than large enterprises with dedicated legal teams. Fifty-one per cent of small business owners say compliance negatively affects their growth.
The burden compounds quickly. Each new hire in a new state can trigger unemployment insurance registrations, workers’ compensation requirements, paid family leave filings, corporate and franchise tax obligations, and Secretary of State registration requirements — often across multiple agencies. Mandatory benefits and state-specific policies continue to expand: California already requires employers to offer retirement plans, and Maryland added a similar requirement in 2026. Roughly 15,000 new laws are passed across all levels of government every year, with notifications frequently sent to physical addresses that businesses no longer staff.
With Mosey’s technology and team integrated into Gusto, the combined platform will expand beyond HR and payroll to include state and local business registrations, entity management, ongoing filings and renewals, resolving agency mail, and real-time surfacing of new compliance obligations as businesses grow or expand into new states.
Branded as Gusto Business Compliance, the offering is described as an all-in-one compliance management solution requiring no separate tool, no integration to maintain, and no compliance expertise from the user. AI will automate complexity behind the scenes. The product is expected to launch later this year.
Gusto co-founder and chief product officer Tomer London said, “Building a business is hard enough without compliance getting in the way. With Mosey now part of Gusto, we can do what Gusto has always done: take complexity off the plate of small business owners so they can focus on what they actually started their business to do. This is a natural extension of our vision to be the platform that helps small businesses start, hire, and grow.”
Mosey founder Alex Kehayias said, “I started Mosey because I’d made every compliance mistake myself, and then I watched thousands of other businesses make the same ones. The problem isn’t that small business owners don’t care about compliance, it’s that they shouldn’t have to become experts in it. Joining Gusto means we can bring that vision to the millions of small businesses that need it most.”
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