Gusto Valuation and Revenue: $9.3B, $1B+ and How It Grew

Gusto's latest valuation is $9.3 billion.

That number comes from June 2025, when Fortune reported that Gusto had opened an employee tender offer of more than $200 million at its last valuation of $9.3 billion, led by Ontario Teachers' Pension Plan. As of October 2026, Gusto has not announced a newer priced round or tender, so $9.3 billion is still the latest credible figure.

Revenue is the bigger story. In May 2026, Gusto announced that it had passed $1 billion in trailing 12-month revenue and served more than 500,000 small businesses. As TechCrunch pointed out, that is revenue actually earned over the previous year, not an annualized run rate.

Gusto is also profitable on a cash basis. It has been free cash flow positive since early 2023, according to Fortune. HR Brew puts its total funding at $746.1 million, and it has not filed to go public.

The short version of why it grew: Gusto picked one of the last pieces of software a small business switches off, payroll, made it self-serve and cheap, and then sold each customer benefits, 401(k) plans, tax credits and compliance built on the payroll data it already held. By May 2026, more than half of Gusto's ARR came from products other than payroll.

Gusto's growth in one table

The pattern is easier to see in four stages:

payroll in one state → payroll in every state → benefits and HR → a bundle of financial and compliance products sold to the same customers

1. Gusto started with payroll in one state

Reeves, Kim and London were three Stanford electrical engineering PhD dropouts who had each run small companies. Reeves had to run payroll, register for state taxes and set up health insurance at his first startup, which he described on the Fintech Blueprint podcast as the source of the idea.

They went through Y Combinator in early 2012. The name ZenPayroll was a placeholder; Reeves later told Business Insider they picked it because they had two days before Demo Day and needed to print T-shirts.

The founders set themselves a rule: they would not pay themselves until they could do it through their own system. Reeves has said the first milestone was paying the three of them, then 5 to 10 companies they knew personally.

When ZenPayroll launched publicly in December 2012, it only worked for California businesses with full-time employees. TechCrunch reported that the $6.1 million seed was the largest ever for a YC company at the time, and that ZenPayroll had about 50 customers.

According to Reeves, 100 companies they didn't know signed up in the first month. The test was whether strangers in ordinary industries would trust a startup with payroll.

Gusto then expanded state by state. Reeves told TechCrunch that Gusto launched only in California and took about three years to support every state, deliberately leaving revenue on the table. By September 2015, Gusto said it served tens of thousands of businesses across all 50 states.

Payroll was a smart first product for another reason. Reeves calls it one of the stickiest, least optional products a business buys: if you don't pay people, they quit. It is often the last thing a struggling business turns off.

2. Gusto grew through word of mouth before it bought ads

Gusto's customers were small and price-sensitive. In 2012, Reeves estimated that about 6 million businesses ran their own payroll, half of them on paper and spreadsheets.

That ruled out a field sales team. Pricing started at $25 per month plus $4 per employee, which Reeves claimed was three to four times cheaper than ADP or Paychex.

So the product had to sell itself. Reeves said on the Fintech Blueprint podcast that Gusto did almost no paid acquisition or Google advertising until about a year after launch. It relied on word of mouth, SEO, content and people sharing the product on Facebook and Twitter.

He was strict about the economics too. He said in the same interview that a customer acquisition cost of around 12 months of revenue is healthy, that going much further "becomes a little bit more like gambling," and that a healthy gross margin at scale is in the 70s or 80s.

It worked quickly. In April 2015, Fortune reported that ZenPayroll's revenue had grown more than tenfold in a year and that it served more than 10,000 small businesses.

The loop still runs today. In a May 2026 interview summarized by TBPN, Reeves said word of mouth remained the main growth driver, including people who were paid through Gusto at a previous job and chose it when they started their own company. In its most recent quarter before May 2026, Gusto added roughly 50,000 new customers.

3. Accountants became a second sales force

Small businesses often pick payroll on the advice of their accountant or bookkeeper. Gusto went after that channel early.

Reeves has said he was Gusto's first salesperson and spent time at conferences for accountants and bookkeepers.

That became a formal partner program. Accountants manage clients from a dashboard called Gusto Pro, and the partner program offers up to 20% revenue share on clients they bring, plus a listing in a directory seen by Gusto's small business customers.

This matters because one accounting firm can bring dozens of clients. When Gusto bought Ardius in 2021, it pitched the deal partly as a new revenue stream for its accounting partners.

Gusto is still investing here. In October 2026, CPA Practice Advisor reported that Gusto rebuilt Gusto Pro with AI-assisted payroll prep and launched a multi-client MCP, which lets accountants work across all their Gusto clients from AI tools like ChatGPT or Claude.

4. Benefits turned a payroll tool into a platform

The first big expansion came in September 2015. ZenPayroll renamed itself Gusto and added health benefits and workers' compensation.

Customers had asked for it. Gusto told TechCrunch that more than 86% of its customers wanted payroll and benefits in a single product.

Benefits connect naturally to payroll. Premiums come out of each paycheck as deductions, and both involve messy third parties: tax agencies for payroll, insurance carriers for benefits.

Gusto became a broker rather than an insurer. Reeves has explained that it set customers up with plans from carriers such as Blue Cross Blue Shield and Kaiser. It started in California with businesses offering health insurance for the first time.

The move was hard on a small team. Reeves said engineering was still around 30 people, and pulling 5 to 10 of them onto a second product was painful. That is why Gusto raised more money: in his words, to "collapse time."

It also put Gusto in direct competition with Zenefits, which had partnered with Gusto for payroll. Investors backed the bet. In December 2015, Gusto raised $50 million at a $1 billion pre-money valuation, in a round Reeves called "opportunistic" because the company already had more than $50 million in the bank.

5. Gusto stayed useful when small businesses nearly stopped paying

The pandemic was the biggest test of the model. In 2020, many customers asked Gusto to defer payments as their businesses shut.

Gusto built a tool to help customers get Paycheck Protection Program loans. Forbes reported that the tool helped distribute more than $4 billion in PPP loans and that, by summer 2020, 98% of Gusto's customers had started paying again.

Gusto came out of the crisis larger. Reeves told TechCrunch that the core business grew 50% in 2020.

By August 2021, Gusto served more than 200,000 businesses and had shipped more than 100 features in a year. That month it raised a $175 million Series E at a $9.5 billion valuation, led by T. Rowe Price.

6. Gusto sold its payroll engine to other software companies

In June 2021, Gusto launched Gusto Embedded Payroll, an API that lets other software companies offer payroll inside their own products.

The first partners included Squire, which makes software for barbershops, the small business bank Novo and the salon software provider Vagaro. Those companies already owned the customer relationship, and Gusto supplied the hard part.

This was possible because Gusto had built its own product on internal APIs. Every new embedded partner opened a new distribution channel without Gusto having to win each small business directly.

A month later, Gusto agreed to buy Symmetry, a payroll tax engine it had used since 2012. Business Insider reported that Symmetry's software was used by payroll providers like ADP and covered more than 60 million employees.

By June 2023, Gusto told TechCrunch that Embedded Payroll had 27 partners who together served more than 500,000 businesses.

Gusto also partners where building would be slow. Instead of building international hiring itself, it signed a revenue-share deal with Remote in 2023 so customers could hire full-time staff abroad from inside Gusto.

7. Gusto bought the products that sit on top of payroll data

Gusto's acquisitions follow one rule: buy products that run better when they can read payroll data.

Ardius (2021). Ardius helps businesses claim R&D tax credits, which are largely based on payroll costs. TechCrunch reported that Gusto bought it for time to market, since the data was already in Gusto's system.

Guideline (2025). Guideline sells low-cost 401(k) plans to small businesses and had been a Gusto partner for about a decade. In August 2025, CNBC reported that Gusto had agreed to buy it, and that Guideline had $140 million in annualized revenue as of January 2025.

Terms were not disclosed. TechCrunch later reported, citing a source, that Gusto paid about $600 million; Guideline called that figure incorrect without giving another. Guideline's founder said it had about 65,000 customers and more than 1 million savers when the deal was announced.

The deal let Gusto sell 401(k) plans without sharing revenue. Reeves also told CNBC that Gusto would push into states that now require employers to offer retirement plans. Guideline is now Gusto 401(k).

Mosey (2026). In April 2026, Gusto acquired Mosey, a compliance startup that handles state registrations, filings and government mail. Less than six months later, Gusto launched Business Compliance on Mosey's technology.

The logic shows up in the numbers. Fortune reported that in 2024 Gusto's 401(k) ARR grew about 50% and its Gusto Money spending-account ARR grew more than 140%.

8. Gusto got to profitability before chasing a higher valuation

Many 2021-era unicorns kept raising money after the market turned. Gusto did the opposite.

In May 2022 it added a roughly $55 million extension to its Series E at a flat valuation. It has not announced a primary round since.

Instead, it focused on cash flow. In June 2023, Reeves told TechCrunch that "at-scale companies should have a path to be able to fund themselves," and said Gusto expected to be free cash flow positive within a few quarters. Fortune later reported that Gusto has been free cash flow positive since early 2023, so the exact start date depends on which account you use.

That choice left its valuation roughly flat. Gusto was valued at $9.5 billion in 2021 and $9.3 billion in the 2025 tender, which TechCrunch noted was about where it stood in early 2022. Over roughly the same period, revenue grew from more than $500 million in fiscal 2023 to more than $1 billion by early 2026.

Gusto used tender offers to give employees cash instead. The June 2025 deal was the third tender since its founding, and it was open to current and former employees with at least two years of tenure.

Reeves has not tied himself to a timeline. He told Fortune in 2025 that there would be "multiple $100 billion–plus new companies built in this space, including Gusto," pointing to ADP, Paychex and Intuit as comparisons.

9. AI is shortening Gusto's roadmap

Gusto's newest growth move is using AI both inside the company and in the product.

In December 2025, Anthropic CTO Rahul Patil joined Gusto's board. By May 2026, Gusto told TechCrunch that AI wrote 50% of its new code and handled 50% of its customer support cases.

On the product side, Gusto's spring 2026 release included nearly 75 features and integrations with ChatGPT, Claude and Slack for running payroll in plain language. In September 2026, it expanded its ChatGPT plugin to prepare more complex payrolls, though owners still approve every run.

Reeves draws a clear line here. He told TBPN that payroll processing itself runs on deterministic logic because accuracy matters more than flexibility. AI is used for judgment calls, edge cases and building faster.

He also said work he once planned for two to three years now fits into three to six months. That includes products for solo founders who need to pay themselves before they hire anyone.

The October 2026 launch shows what that speed looks like. On one day, Gusto released Business Compliance, HR Partners and its own PEO, a co-employment service aimed at customers who want richer benefits.

How fast did Gusto grow?

Gusto is private and has never published full financial statements. Here is what is confirmed or credibly reported:

• 2014 to 2015: Revenue grew more than tenfold in a year, according to Fortune.
• 2020: The core business grew 50%, Reeves told TechCrunch.
• 2021: Reeves told Forbes Gusto had "several hundred million dollars" in annual revenue, as later summarized by TechCrunch, growing about 50% a year.
• Fiscal year ended April 30, 2023: Revenue of more than $500 million, the company told TechCrunch.
• 2024 and 2025: Gusto did not disclose revenue. Private-market research firm Sacra estimates about $750 million in 2024 and $975 million in 2025; these are estimates, not company figures.
• Early 2026: More than $1 billion in trailing 12-month revenue, confirmed by Gusto, with five straight quarters of accelerating ARR growth.

Customer growth tells the same story:

• About 50 customers at launch in December 2012
• 10,000+ in April 2015
• 100,000+ in 2019
• 200,000+ in August 2021
• 300,000 at the end of 2022
• 400,000+ in August 2025
• 500,000+ by May 2026

At $9.3 billion, Gusto is valued at roughly 9 times its trailing revenue. TechCrunch called that "a bargain for Gusto investors" next to Rippling, last valued at $16.8 billion, and Deel, last valued at $17.3 billion.

Gusto's growth loop

Gusto's growth comes down to one loop:

1. A small business owner signs up for payroll, often through word of mouth or an accountant.
2. Payroll becomes the system of record for employees, pay, taxes and states.
3. That data makes it easy to add benefits, 401(k), tax credits and compliance.
4. Each added product raises revenue per customer and makes Gusto harder to leave.
5. Employees paid through Gusto see it every payday.
6. Some of them start their own businesses and pick Gusto.
7. Accountants and embedded partners bring in customers Gusto would not reach directly.

The loop is slow compared with AI startups. But it compounds, and it has paid for itself since 2023.

What Gusto did differently

It picked a narrow customer and stayed there

Rivals went broader: Deel, for example, serves large international businesses. Gusto stayed focused on US small businesses. Reeves points to an addressable market of about 6 million US employers, roughly two-thirds of which have fewer than five employees.

It expanded only into what customers already asked for

Benefits, 401(k), tax credits and compliance all connect to payroll data. Gusto rarely launched a product that needed its own new customers.

It treated unit economics as a constraint, not an afterthought

Gusto avoided paid ads early, watched payback periods and turned cash flow positive before an IPO forced it to.

It built distribution through other people

Accountants, embedded software partners and former employees all bring in new customers. That cuts acquisition costs in a market where field sales doesn't work.

What could slow Gusto down?

Competition is getting stronger. Rippling and Deel have each passed $1 billion in ARR, TechCrunch reported, and both are valued far higher than Gusto. ADP, Paychex and Intuit remain the incumbents.

Small business hiring is weak. Reeves told TBPN that hiring across Gusto's customer base has been "more depressed" in recent years than in the prior decade. Gusto earns more when customers add employees, so slower hiring caps revenue per customer.

Small businesses churn. Reeves has cited the statistic that only about half of new employers make it to year five. He has acknowledged that this makes it easy to end up with bad unit economics in SMB software.

The PEO market is crowded. HR Brew noted that more than 500 PEO vendors operate in the US. Gusto is betting its existing customers will switch rather than join an outside PEO.

The IPO window. Gusto has said it has "nothing to share on the IPO timeline front." A flat private valuation since 2021 also means its next price will be set by public markets or a new round.

Borrowing Gusto's word-of-mouth engine

Gusto did almost no paid acquisition in its first year and grew on word of mouth, SEO and content instead. Okara's Writer Agent drafts strategy-led articles and can publish them. For the word-of-mouth side, the Reddit Agent finds high-intent threads where people ask for recommendations and drafts replies you post yourself.

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Frequently asked questions

What is Gusto's valuation?

Gusto's latest valuation is $9.3 billion, set in a June 2025 employee tender offer of more than $200 million led by Ontario Teachers' Pension Plan, according to Fortune. Its last primary rounds, in August 2021 and May 2022, valued it at $9.5 billion. As of October 2026, no newer priced round has been announced.

What is Gusto's revenue?

Gusto announced in May 2026 that it had passed $1 billion in trailing 12-month revenue earlier in the year. That is revenue earned over the previous 12 months, not an annualized run rate. It reported more than $500 million for the fiscal year ended April 2023.

How much funding has Gusto raised?

HR Brew put Gusto's total funding at $746.1 million as of December 2025. Major rounds include a $6.1 million seed, a $20 million Series A, $60 million in April 2015, $50 million in December 2015, $140 million in 2018, a $200 million Series D in 2019 and a $175 million Series E in 2021, plus a roughly $55 million extension in 2022.

Is Gusto profitable?

Gusto has been free cash flow positive since early 2023, according to Fortune, and the company says it has been cash flow positive for years. It has not published GAAP net income.

Who founded Gusto?

Josh Reeves (CEO), Edward Kim and Tomer London founded Gusto in 2011 as ZenPayroll. All three studied at Stanford and went through Y Combinator in 2012. The company renamed itself Gusto in September 2015.

How many customers does Gusto have?

Gusto says it serves more than 500,000 small businesses in the US as of May 2026, up from 200,000 in 2021 and 100,000 in 2019. It added roughly 50,000 new customers in the quarter before its May 2026 announcement.

Did Gusto buy Guideline?

Yes. Gusto agreed to acquire 401(k) provider Guideline in August 2025, and it now operates as Gusto 401(k). Terms were not disclosed; TechCrunch reported a price of about $600 million, which Guideline disputed.

Is Gusto going public?

Not yet. Gusto has not filed for an IPO, and a spokesperson told TechCrunch in May 2026 there was "nothing to share on the IPO timeline front." Reeves said in May 2026 that he would not expect Gusto to stay private in the near term, but that the process had not started.

Sources

• Gusto: Gusto Surpasses $1 Billion in Revenue (PR Newswire) — May 2026
• TechCrunch: Gusto hits $1B revenue, a figure that brings it closer to public markets — May 2026
• TBPN Digest: Gusto crosses $1B in trailing revenue, eyes IPO and new products for solo founders — May 2026
• Fortune: Gusto launches $200 million–plus tender offer — June 2025
• HR Brew: Gusto CEO talks building a business, and HR department, from the ground up — December 2025
• HR Brew: Gusto rolls out new offerings to address compliance pain points for small businesses — October 2026
• Gusto: Gusto Simplifies HR and Compliance for Growing Small Businesses — October 2026
• Gusto: More Ways to Run Payroll and Stay Ahead of Compliance, Now in the Gusto Plugin for ChatGPT — September 2026
• CPA Practice Advisor: Gusto Redesigns Gusto Pro, Rolls Out Partner Program Upgrades — October 2026
• PR Newswire: Gusto Acquires Mosey to Close the Compliance Gap for Small Businesses — April 2026
• Gusto: Welcome Rahul Patil, Gusto's Newest Board Member — December 2025
• CNBC: Gusto agrees to buy retirement plan provider Guideline — August 2025
• TechCrunch: Sources: Gusto paid $600M to acquire Guideline — October 2025
• Guideline: Guideline Enters Agreement to be Acquired by Gusto — August 2025
• Gusto: Gusto 401(k) Powered by Guideline — 2025
• Sacra: Gusto vs Mercury — April 2026
• Fintech Blueprint: The $500MM Startup Making Payroll Painless, with Joshua Reeves — April 2025
• TechCrunch: Gusto reaches $500M in trailing revenue, teams up with Remote — June 2023
• TechCrunch: When the tech IPO market reopens, keep an eye on HR unicorns — March 2023
• TechCrunch: Gusto raises an extension round — May 2022
• Axios: HR software company Gusto raises $175 million — August 2021
• Gusto: Growing Gusto's Impact, Team, and Opportunity (Series E) — August 2021
• Forbes: Gusto Secures A $10 Billion Valuation Tailwind As Its HR Software Sails Toward IPO — August 2021
• Business Insider: Gusto Is Acquiring Tax Company Symmetry — July 2021
• TechCrunch: Gusto is now offering pieces of its service to other companies via API — June 2021
• Gusto: Introducing Gusto Embedded Payroll — June 2021
• TechCrunch: Gusto makes first acquisition, buying Ardius — June 2021
• Gusto: Welcoming Ardius to Gusto — June 2021
• Crunchbase News: Gusto Raises $200M Series D At $3.8B Valuation — July 2019
• Bloomberg: Payroll Startup Gusto Raises $140 Million in Funding — July 2018
• TechCrunch: Gusto Raises $50M At A $1B Valuation To Take On Zenefits — December 2015
• TechCrunch: ZenPayroll Is Now Gusto, Adds Benefits To Take On Zenefits — September 2015
• Gusto: ZenPayroll Is Now Gusto — September 2015
• Fortune: Should Zenefits be worried? ZenPayroll (now Gusto) takes on benefits — September 2015
• Business Insider: ZenPayroll Expands Into Benefits, Changes Name to Gusto — September 2015
• Fortune: ZenPayroll raises $60 million from Google Capital, others — April 2015
• TechCrunch: Google Capital Leads A $60 Million Series B Round For ZenPayroll — April 2015
• Quartz: Why Google Capital's betting big on some boring payroll startup — April 2015
• TechCrunch: ZenPayroll Launches Cloud-Based Payroll Service With $6.1M In Seed Funding — December 2012
• Gusto: Gusto Partner Program for Accountants