Subject: Thank you for the referral | [COMPANY_NAME]
Dear [REFERRER_NAME],
I am writing to express to you my thanks for recommending our services to [CLIENT_NAME] from [CLIENT_COMPANY]. I greatly appreciate the trust you have placed in me and my company.
As a token of appreciation for your kind gesture, I would like to offer you a discount on your next purchase with us. Please contact me when you are ready to do so.
Again, I thank you for your support. If there’s anything else that I can do for you please let me know.
Regards,
[YOUR_NAME]
[YOUR_POSITION]