Whether we are talking about donors or customers,  it is about building trust that filters into an integrated marketing system with digital and traditional tools. Content. Content is the number one way you can build trust with potential clients. By creating meaningful and thought provoking content you are building a bridge to later sell that person on your services. This can also pertain to content or how you use a specific social network. You are developing content in order to gain an order of trust with people in your area of influence. Tell A Story.