In regards to its financial investment personalization and versatility, 401k retirement plans offer workers and workers a substantial choice of options and options as to how their home and ownerships are invested through time. Likewise, the company will frequently contribute their cash towards is well; clearly, this amount will vary depending upon which business you work for. 401k Retirement Plans Explained - 401k retirement strategies are special kinds of accounts, funded through pre-tax payroll reductions. Contributing IRA: The 401k part can no longer be rolled back into another 401k with a new business, should you ever desire to do that.