The classic approach to selling services is as simple as it sounds. You offer a service that other businesses need, they reach out to you to get a quote, and you offer your service at a specific rate.
Example: A business needs a new website, they reach out to three different companies that offer this service for price quotes. The buyer weighs the different options and selects a provider based on varying factors - price, experience, perceived quality, among many others.
The classic approach of providing a service at face value has its merits, and it's often where most businesses start.
The core concept of the GA strategy is to reposition yourself as a Growth Agent as opposed to a traditional service provider.
Inbound Marketing - creating front end marketing pieces to bring leads to your business to sort, follow up with, and close. Ideal for highly systematized business with similar deliverables. Generally the method utilized in the classic approach to providing services.
The classic approach to providing services model. You agree to provide a service for a person or business in exchange for an agreed upon fee.
[Provide Services] As we've discussed in the hybrid approach to selling services you may provide services independently to [Client A] and [Client B]... separate from your distribution deal; these can pay a % of profits or be the classic approach to providing services with fix fees or retainers.