Instead of emphasizing the "we" part of the selling proposition, put the focus on the customer. Consider using messages such as:
-- We want to help you save at least 10%.
-- Partnering with us will make your life/job easier.
-- Our services will bring you peace of mind.
-- Let us help you maximize your investment.
-- You'll love our hassle-free service.
-- We measure our success by your success.
What other phrases can we add to this list?