Any business of any size can set up one of these types of retirement plans, including a self-employed business owner. CMP can help you provide your employees a retirement plan that fits your business' needs.Pinnacle Plan Design is a third party administrator (TPA) for employer-sponsored qualified retirement plans. We specialize in retirement plan design. Looking for a retirement plan or business investing account? Schwab offers a range of small business solutions to help you manage your finances. Take a look at our Retirement Planning page. Our team extends the capabilities and bandwidth of your management team to administer and manage retirement plans. The costs and benefits of providing a retirement plan for yourself and your employees as a small business owner. These investment service providers are two of the most respected companies in the financial services business.