It’s not a sales pitch. It is 27 pages jam packed with practical guidelines you can use when evaluating different software development companies.
You could even use it to develop your own software development team. An easy-to-use questionnaire highlighting everything you need to ask. Simple but comprehensive. Feature-by-feature checklist and pointers, backed up with sound advice.
It will almost certainly contain information you will not have had time to research and evaluation for yourself.