(301) 986-0600
Submit RFP Bill Pay


CBM100 Embossed Logo

Clients and Friends:

It was thrilling to experience the firm’s 100th anniversary in 2020 and 2021. We could never have anticipated the challenges posed by COVID-19 as we planned the firm’s centennial events and experiences. But we managed to turn the celebration into a memorable two years as our proud team members showed up, enthusiastically, despite the challenging circumstances. If you came along the journey with us, we hope you found it as memorable as we did. And if you’re just getting to know Councilor, Buchanan & Mitchell for the first time, we invite you to read more below.

CBM100 Charities

Since 1921, CBM has worked with many not-for-profit clients. We chose to recognize the not-for-profit industry during our centennial celebration by launching CBM100-Charities, a firmwide initiative to encourage each team member to volunteer for some charitable event as a way of giving back to their communities. Our combined efforts earned CBM recognition by the Washington Business Journal for our corporate philanthropy. Click here to read more about our volunteer activities during CBM100-Charities.


CBM has not only been around for more than 100 years as of this writing, we have also been around the world! The firm has served many international non-governmental organizations over years and, in this spirit, we decided to see just how far CBM could go during our celebrations! As part of CBM100-Places, team members received CBM100 shirts and caps and were encouraged to take photos of themselves in different locations around the country and the world. Click here to see all the places our team members travelled!


CBM100 Book

This was a trip down memory lane and then some! CBM100-Book was the firm’s ambitious project to memorialize our 100-year history with a 114-page publication about how the firm started, and how it changed over 10 decades as events around the Washington, DC metropolitan region also unfolded. CBM100-Book included profiles of key figures from the firm including founder James Councilor and the firm’s first woman partner Edna Nick, leading up to our current managing partner, Dan Weaver. This labor of love also ended up winning a marketing award at the 2022 Association for Accounting Marketing Summit.


CBM’s centennial celebration was a resounding success! On October 20, 2021, more than 300 team members, clients and guests gathered for an evening of mingling and fun at Columbia Country Club in Chevy Chase, MD, the venue which has hosted CBM’s annual holiday party for decades. CBM100-Centennial Celebration included entertainment from two rising opera stars studying in the DC metropolitan region and speeches by Dan Weaver and Peter Reilly, respectively the firm’s current and former president. Click here to see images from our memorable evening!


One of CBM’s accomplishments in recent years was a series of mergers that dramatically expanded and changed the face of the firm. To honor this metamorphosis, CBM produced a short video, CBM100-Video, which–seriously, playfully and musically–reflects the personalities and values of  our team members. We invite you to watch CBM100-Video and meet the faces of our hard-working colleagues who continue carrying the legacy of our firm into the future.

To those clients and friends who have allowed CBM to share in your success over the years – thank you for the memories!

Daniel L. Weaver, CPA
President & Managing Partner

Peter B. Reilly, CPA, CVA
Former President & Managing Partner