Wealth management firm Westbury Private Clients has launched a new Sipps package, which it claims is the first of its kind.
The London-based company will reimburse administration and set up fees normally incurred with full Sipps as well as transfer charges.
It is also offering to stump up for pension advice charges to prevent clients having to pay.
This package will be available to customers whose Sipp has a minimum of £250,000 for Westbury to manage.
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Full Sipps offer the widest choice of investment but usually have the highest charges in the industry.
Westbury said by cutting out these fees it will save clients thousands of pounds per year for their retirement funds.
James Goodchild, Westbury's founder, claimed the offering is "ground breaking".
He said: "We will also work hand in hand with financial advisers referring pension advice business to them on an execution only basis with the proviso that their charges are realistic.
"Westbury will pay for this pension advice instead of the client."
Matthew Robinson, head of private clients said: "From the client's perspective, the cost of setting up the full Sipp will be £0 with the ongoing costs of the Sipp and the pension advice also amounting to £0.
"Where Westbury makes its money is the 1% Annual Management Charge and clients can choose from either a tailor-made investment portfolio, or highly diversified portfolios that invest in 5 or more asset classes."