RSM | RSM Marks 100 Years of Serving in the Middle Market

June 2, 2026 – RSM US LLP (“RSM”) – the leading provider of consulting, tax and assurance services for the middle market – is celebrating its 100th anniversary, marking a century of advising middle market businesses through periods of economic, operational and technological change.

In New York and across the region, RSM serves companies that are helping shape the economy and drive growth across industries, reflecting the broader impact of the middle market nationwide.

“A hundred years doesn’t happen without extraordinary people — both within our walls and across the businesses we’ve been honored to serve,” said Michael Fanelli, Tri-State Market and New York Office Leader. “Our deepest pride comes from standing alongside organizations that are making a real difference in the communities we all call home.”

For 100 years, RSM has grown alongside the businesses it serves, building consulting, tax and assurance capabilities centered on its brand promise, The Power of Being Understood. That promise continues to guide how RSM brings insight, collaboration and practical perspective to help clients make informed decisions and create long-term value.

The milestone is captured through “RSM¹⁰⁰,” reflecting how a century of experience shapes the firm today and positions it for the future. As businesses face increasing complexity and rising expectations for growth, RSM’s centennial underscores the strength of its people, the depth of its client relationships and the investments the firm is making to support clients moving forward.

About RSM US LLP
For 100 years, RSM has empowered middle market companies worldwide to take charge of change.The clients we serve are the engine of global commerce and economic growth. Our unique understanding of the middle market makes RSM the natural choice for growth-oriented, internationally active organizations seeking relevant insights and tailored, innovative solutions for a complex and changing world. With a global reach spanning more than 120 countries, we instill confidence in a world of change by bringing the full power of RSM to make a lasting impact on our clients, colleagues and communities.

Compliments of RSM US LLP – a Premium Member of the EACCNY