The best way to increase your CarrierSource score is to encourage the companies that you haul for to leave reviews for you on that platform. CarrierSource has a more detailed explanation of this as well as tips and templates for you to use available at this link
Claim your profile
If you haven't already, you can claim your CarrierSource profile here
Claiming your profile can help you connect with new companies, ensure your information is accurate and up-to-date, and allows you to respond to reviews as well as gather new ones to improve your CarrierSource score.
Sign in
Once you've claimed your CarrierSource profile and created an account, you can sign in and begin managing your profile using this link