Large integrated providers, such as the brokerage firms like Fidelity, Merrill Lynch and Schwab, combine all these capabilities. However, many businesses prefer to use a different organization to plan and administer their plan. There may be limited negotiation in fees since they keep fees down using subsidies from profits they make on investments. You still need a separate investment company, so you lose the benefits of one-stop shopping. Pay particular attention to the consultant's record keeping system.
Fees are often negotiable.
They lack the investment income of integrated providers, so often start at a higher fee schedule. The rules are complex, and compliance requirements for non-discrimination still apply. However, pay attention to the rules regarding non-discrimination. You can find a pension consulting firm in your area by consulting the yellow pages or your local Chamber of Commerce.