Our History

For more than 35 years, Ryan has redefined the business tax industry by shifting the focus from compliance to aggressive advocacy. Founded on grit and funded by personal credit cards, we’ve evolved from a disruptive startup into a global tax and technology leader.

Our Purpose

Liberating our clients from the burden of being overtaxed, freeing their capital to invest, grow, and thrive.

Corporate Excellence Books

By the Numbers

Experience You Can Trust

Of the Fortune 1000 trust Ryan

K+

Active clients and counting

Global tax services provided

K+

Multidisciplinary experts

$B+

Annual tax savings earned worldwide

Recovered in second-pass reviews

Get in Touch

Transform tax into a strategic advantage with deep expertise and innovative technology—explore our services or request a software demo.

2025
$1.7B
In revenue
7.1K
Team members
34
Years of growth
In 2025, Ryan focused on strategic global growth through targeted acquisitions, key partnerships, and expanded capabilities across property tax, income tax, and international advisory services. The Firm accelerated innovation by investing in tax technology and solutions that enhance efficiency, compliance, and client outcomes worldwide. Equally, Ryan continued to prioritize its people—earning widespread recognition for workplace culture, talent development, and early career programs.
2024
$1.24B
In revenue
33
Years of growth
In 2024, we asserted our position as a global tax and technology powerhouse. We took a bold, first-to-move legal stand against the FTC’s non-compete rule, securing a landmark victory for employer rights. By launching the tax.com division and recruiting global executives, we accelerated our digital-first infrastructure.
2023
$1B+
In revenue
4.8K+
Team members
In 2023, Ryan evolved from a premier firm into a known global brand. We welcomed Ravi Shrivastava as CTDO, a key hire that solidified our data-driven tax intelligence. Partnerships with the New York Yankees elevated our brand cache, while strategic acquisitions deepened our expertise. 20+ awards proved our commitment to workplace excellence.
2022
$916M
In revenue
4K+
Team members
In 2022, we became the number one property tax software provider in North America. The Poer acquisition added 186 team members and 12 locations, while the Catax and Thomson Reuters PTS deals cemented our lead in R&D and global services. Ares Management Corporation committed to a significant minority equity interest, valuing Ryan at $2.5B.
2021
$715M
In revenue
3.1K+
Team members
In 2021, we proved that our exclusive focus on business tax creates unrivaled value. We deepened our global credibility with key acquisitions like TCF Services, BCS, PS Johnson, Qvalia, and PTX Tech. We invested in our people by establishing the Sandra Cawley award and earned honors from Glassdoor and Forbes for our world-class culture.
2020
$622M
In revenue
2.8K+
Team members
In a year that brought the world to a halt, we accelerated. We were named one of Europe’s Best Workplaces for the first time, we launched RyanMail^™, and integrated five new firms, RETG, Indirect Tax Solutions, TCF, BCS, and Rosenberg Law. By expanding into APAC and launching RyanMOSAIC, we proved that our focus only sharpens under pressure.

2025

2019
$590M
In revenue
2.7K+
Team members
In 2019, we expanded our payroll tax capabilities, acquiring SALT Payroll Consultants. National recognition as a workplace leader for diversity and parents validated our culture, and we were named to the 2019 Fortune 100 Best Companies to Work For^® list for the second consecutive year, jumping 19 spots over the previous year to number 52.
2018
$317M
Investment
2.5K
Team members
In 2018, we reached a pivotal milestone when ONEX invested in Ryan at a valuation of $1.1B. Acquiring VAT Systems expanded our reach, while Economics Partners secured our leadership in transfer pricing. Earning the prestigious CSIA International Service Excellence Award reinforced our mission to deliver the highest level of client service.
2017
$500M
In revenue
2.2K
Team members
In 2017, we deepened our breadth by welcoming Nickel & Company and expanding into new customs and real estate tax markets. We earned multiple Best Place to Work awards, bolstered our leadership team, and G. Brint Ryan was named a Glassdoor Top CEO and honored with a WINGS of Eagles Presidential Award, reinforcing our workplace excellence.
2016
$475M
In revenue
2K+
Team members
In our 25^th anniversary year, we made headlines in court and culture. We defended performance-based fees in a landmark California legal win and launched RyanSHARES Day, our inaugural global day of service. Named a Fortune 50 Best Workplace for Recent Grads and a Working Mother 100 Best Company, we set the gold standard for flexible work.
2015
$434M
In revenue
2K+
Team members
In 2015, we scaled our capabilities through strategic acquisitions, new leadership, and expanded funding practices. Honors as a Fortune Best Company for Millennials and New Dads, plus International Tax Review accolades, proved our cultural depth. We also became the first firm to requalify for the prestigious ICSS Gold Certification.
2014
$425M
In revenue
1.9K
Team members
In 2014, we made bold moves, expanding our presence to 11 countries and becoming the first firm to earn ICSS Gold Certification twice. We partnered with Avalara for tax innovation and defeated the IRS on Circular 230. Starting the year as the sixth-largest U.S. tax firm, we proved our innovation was never accidental; it’s purpose-built.
2013
$390M
In revenue
1.7K
Team members
In 2013, we successfully integrated Thomson Reuters Property Tax Services (PTS). This landmark move added 25 principals and four officers, fueling our scale in commercial property tax and abandoned and unclaimed property. Ryan was the only global recipient of the prestigious International Service Excellence Customer Charter Award.
2012
$356M
In revenue
1.6K
Team members
In 2012, we acquired Thomson Reuters Property Tax Services (PTS), making Ryan the largest global provider of property tax services. We reorganized our leadership to drive key global development and launched a $100M credit facility. By opening six new global offices, a tech center, and a LATAM business center, we set a new benchmark for scale.
2011
$233M
In revenue
900+
Team members
In our 20^thyear, we proved that Ryan wasn’t just built to last, but to lead. We launched our Netherlands operations via Franke & Den Breems and introduced The Ryan Foundation to formalize our philanthropic legacy. Ranked as the ninth-largest and fastest-growing U.S. tax firm, we became the first to earn ICSS certification with a record score.
2010
$215M
In revenue
900+
Team members
In 2010, we invested aggressively in talent, hiring 100 experts. Our growth was validated by Accounting Today, which ranked Ryan as the 10^thlargest tax-only firm in the U.S., underscoring our focus and scalability. By piloting myRyan in Houston, we built a new way of working that defined our culture and commitment to workplace excellence.

2019

2009
$195M
In revenue
800+
Team members
In 2009, we strengthened our voice in policy and refined our technology focus to build influence beyond client engagements. Our Public Affairs practice was ranked a top-five lobby group in Texas. Most importantly, we achieved our highest-ever client satisfaction ratings while proving that our culture of work-life success drives solid growth.
2008
$180M
In revenue
775+
Team members
In 2008, we launched myRyan, a results-based work model that became our greatest asset in building an empowering workplace culture. This year marked our international expansion with the opening of our London office, signaling our intent to lead on a global level. We also secured PCI certification, proving our early commitment to data security.
2007
$150M
In revenue
725+
Team members
In 2007, we rebranded to Ryan, a critical shift that reflected our strategic vision and strength. We launched our Public Affairs practice to drive legislative advocacy and expanded into new cities. G. Brint Ryan was elected to the TAB Executive Committee, validating our pledge to represent the interests of clients on critical tax issues.
2006
$140M
In revenue
636
Team members
In 2006, we made key international acquisitions, and new leadership under Tony G. Mills marked our strategic transition to a global enterprise. We delivered 40% revenue growth, launched our Customs and Foreign Trade practice, and acquired the rights to TaxDecisionERP^™, an advanced U.S. multistate use tax decision automation tool for SAP users.
2005
$100M+
In revenue
425
Team members
In 2005, we balanced rapid scale with a strong moral compass, leading relief efforts for those impacted by Hurricane Katrina. We secured our first $50M credit facility and expanded our national reach to 18 offices. We also laid the groundwork for Canadian expansion through two key strategic alliances.
2004
$73.9M
In revenue
363
Team members
In 2004, we expanded our national reach to the West Coast with a new office in San Francisco. By establishing leadership in IPT and growing our dispute resolution practice, we became the second-largest firm in our space. We invested early in tax automation, years before “tax technology” became an industry talking point.
2003
$56M
In revenue
325
Team members
In 2003, we won the largest contested case in Firm history at the Texas Supreme Court, cementing our reputation as fierce advocates. The year marked a key expansion of our authority through the launch of our Fuels and Excise Tax and Abandoned and Unclaimed Property practices. Our New York City office established our presence in the Northeast.
2002
$44M
In revenue
300
Team members
In 2002, we built the legal and risk infrastructure to scale and seized market opportunity through the strategic acquisition of Arthur Andersen’s West Coast practice and trademarking of “America’s State & Local Tax Advisors.” We launched our specialized Severance Tax practice and deepened our expertise to better serve our clients.
2001
$35M
In revenue
235
Team members
In 2001, we surpassed every independent competitor to become the largest state and local tax (SALT) firm in the U.S. This category leadership moment was solidified by our expansion into the Midwest with the opening of our Cleveland office. No longer just a challenger, we became the undisputed national leader in independent tax advocacy.
2000
$24M
In revenue
182
Team members
In 2000, we chose scale over comfort, pivoting from a Texas boutique to a multistate force. We opened our first offices outside of Texas—Atlanta, Baton Rouge, Chicago, and Denver—and launched our Credits and Incentives and Tax Technology practices. By building a formal Quality Assurance Program, we set a new, higher bar for the industry.

2009

1999
$16M
In revenue
118
Team members
In 1999, we made the transition from regional disruptor to national player. Former Texas Comptroller John Sharp joined the Firm, bringing unmatched policy insight, while we launched our Dispute Resolution Group and a first-of-its-kind Audit Sampling practice. Opening offices in Austin and Houston expanded our Texas footprint.
1998
$10.8M
In revenue
101
Team members
In 1998, we made a defining pivot, surrendering our CPA license to become Ryan & Company Inc. This allowed us to become a multidisciplinary powerhouse dedicated to business taxes, free from regulatory constraints. Offices opened in Houston, San Antonio, and California, pushing revenue to $10.8M and extending our national footprint.
1997
$7M
In revenue
60
Team members
In 1997, we proved we could outmatch the Big 5. Managing 57 contested state tax cases to their 48 combined, we solidified our leadership in tax controversy. We launched Ryan Ferrell, establishing a formal property tax service, while our relocation to Galleria Tower Three signaled our growth. Client satisfaction ranked in the 90^th percentile.
1996
$5.2M
In revenue
47
Team members
In 1996, we crossed a major milestone with our first $1M fee from a single engagement. We pioneered the purchase of tax claims, introducing a bold new revenue model, and expanded our Franchise Tax and Administrative Hearings practices, hiring Eric L. Stein. With our 300^th client, we established complex dispute work as a core differentiator.
1995
$4M
In revenue
28
Team members
In 1995, we transitioned into a tech-enabled consulting firm. We relocated to Dallas’s Providence Towers, tripling our office size to accommodate our rapid scale, and formalized our SALT and property tax services. These foundational offerings, backed by growing operational depth, set the stage for the Firm’s long-term success.
1994
$2.7M
In revenue
27
Team members
In 1994, our leadership momentum accelerated as we named our fifth principal and welcomed leadership that would shape the Firm for decades. We delivered $2.7M in revenue with a team of 27, growing at true startup speed. This year marked the start of our Dispute Resolution practice, establishing the expert-led advocacy that defines us today.
1993
$1.8M
In revenue
14
Team members
In 1993, our identity was locked in as G. Brint Ryan became the majority owner, rebranded the practice to Ryan & Company, P.C., and took the helm as managing principal. We gained institutional influence through an appointment to the Texas Comptroller Advisory Committee, signaling our transition from a startup to a respected leader in tax.
1992
$900K
In revenue
10
Team members
In 1992, we proved the strength of our client-first, audit-defense model, booking nearly $1M in revenue with just 10 team members. We also developed Tex-Tax^®, the first commercially successful sales and use tax research tool driven by advanced automated logic, cementing our role as the industry’s premier tech-enabled tax advocate.
1991
$156K
In revenue
5
Team members
In 1991, G. Brint Ryan and Chris Collis founded Ryan with personal credit cards and a vision to disrupt the industry. We capitalized on the House of Lloyd v. Bullock case, using fierce advocacy to fuel our initial audit defense and recovery services. We ended year one with five team members driven by the same grit that powers our Firm today.