A happy customer is our best reference!  Customer comments about our work:

Referring clients to you makes me look good!  You do such great work.

Just a note to thank you for your very special and professional work...

...I will not hesitate to recommend you to anyone else...

Thank you for your quick response and professional job.

Thanks for the work and making it as comfortable for us as possible.

Thanks for the great work and advice.

We're so pleased with the job you and company did.

Thanks.  You did a super job.

Thanks!  You guys did a great job!

Thanks for a job nicely done.  Please feel free to give my name as reference...