While looking for some materials on my site, I found a couple of things that others had written about getting starting in the business of statistical consulting.
AnnMaria De Mars. Since you asked me …. four tips on getting started in the statistical consulting business. AnnMaria’s blog, 2012-04-06. Available in html format
Melissa Kovacs. Statistical Consulting Clients: How to Get Them and How to Keep Them. AmstatNews, 2019-09-01. Available in html format