Log in Set up your account. Invest in Your Future.Need help with 401k planning? Serenity Wealth Management in Chicago specializes in retirement strategies and investment management. Pairing Fi-Care Financial Wellness Benefits with a low-cost 401k plan can ensure your employees get the most out of their benefits. Professionally managed. 401(k)s are available to companies of any size, and are highly customizable. Each tax year, you may be required to fill out Form 5500, depending on the type of plan you choose. Check out this list of the top Chicago, IL companies offering 401(K) matching. See company benefits, info, interviews and more at Built In Chicago.