As a plan sponsor, hiring one of the two biggest national payroll providers as your 401(k) plan’s third-party administrator (TPA) sounds like a great idea, except it really isn’t. As an ERISA attorney who does quite well in practice in fixing errors for plan sponsors who fired these payroll providers, I can assure you that you should forget about hiring ADP or Paychex as your 401(k) TPA.
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