Remember that your co-workers/team members (will refer to them as "colleagues") are essential to your service ability as part of your team, but they are also potential referral sources who can choose to, or not to, refer people specifically to you or to your firm in general.
To this point, remember these three things you can do to build the team and build trust in you. Take 5 MINUTES NOW to do one of these things and then try to do them all more frequently.
1. Thank a colleague for his/her excellent contributions a recent project.
2. Compliment a colleague on a talent they have and tell them you're glad to have them on the team.
3. Invite a colleague to collaborate with you to brainstorm how to add value to a client because they "have great ideas" and you value their input.