Pros
The people hands down - the best I've worked with in my entire career. If you like the type of work that Schellman does, you will never find a more concentrated team of experts who live, eat, and breath IT audit, security, and certification. The benefit of Schellman has always been its focus on these disciplines and avoiding the distraction of financial audit and advisory services. The result is the (to quote Chris Schellman) the All-Star team that has been assembled. Additionally, the management team has worked to listen and provide best-of-breed benefits for team members. Aside from 401k matching, maternity (and paternity) leave, and other benefits, quarterly bonuses is actually profit sharing as bonus pools are set based on quarterly income.
Cons
Professional services isn't for everyone and the pace here is fast. Many have noted that client delays can cause work to pile up at times. We don't hide this and the firm emphasizes constant communication across teams and guides professionals at all levels to push our clients (reasonably) to get the work done. The flip-side is if you just passively wait for a client to deliver, you will get behind.