C Systems has joined RSM.

We are pleased to announce that the practice and team members of the U.S. and Canadian operations of C Systems have joined RSM US LLP, as of Sept. 1, 2021.

RSM and C Systems share a similar industry strategy with a mutual commitment to building long-lasting, trusted relationships by delivering best-in-class solutions, outstanding client service and exceptional business value.

We are excited to serve you as RSM—providing enhanced association management systems (AMS) solutions and introducing clients to additional consulting, audit and tax services, and national and global resources to help nonprofits, associations and membership-based organizations solve their unique challenges and seize opportunities.

You can reach us by contacting Lee Hornstein at Lee.Hornstein@rsmus.com or 848.200.1856, or by calling 732.548.6100 to reach the AMS practice at RSM.

For help desk support, contact us at 866.687.8729. Email sent to the ConnectWise Support Portal at support@csystemsglobal.com will be forwarded to the support team via RSM.

Please note that the U.S. and Canadian operations of C Systems, LLC, C Systems Canada, LLC, and Confluence Global, LLC, have joined RSM. C Systems’ U.K. operations and certain specialized products are being continued independent from RSM, under the leadership of Jeremy Wilson with a new brand, Connect Systems Global.

Visit the Connect Systems Global page to learn more about Connect Systems Global and to inquire about the following products: Connect Aventri; Connect MailChimp: Connect SurveyMonkey; Connect Zoom; Room and Resource Manager; R&R Outlook Integrator; E-Z Registration; Program Manager; Seating and Reserved Ticketing; and Yahrzeit.

You will now be redirected to RSM, where you can learn more about our Association Management Systems practice.