PPC ad agencies typically charge a fee between $250 and $5,000 a month for their services, but it’s generally expected that the cost of your retainer will be similar to your ad spend.
The typical ad spend for a PPC campaign is between $1 and $2 a click on a Google search network. Small businesses can expect a fluctuating ad spend depending on the time of year with many ad spends ranging between $5,000 and $9,000 a month.
When you’re evaluating pricing for a PPC company, consider the services they offer in their digital marketing services, and what you want to get out of it.