Sales Training. Sales Coaching. Selling Skills.
Action Selling Consistently Improves Sales Productivity
Why choose cosine?
Awarded Top Sales Training Company
since 1990, over 400,000 salespeople have been certified on the skills of Cosine. These skills are proven to produce the greatest gains in sales performance. Cosine has been recognized by industry leaders and many business publications.
Tailored training solutions, delivered cost-effectively
In fact, we designed our programs and materials to be quickly and economically adaptable for any audience, without sacrificing the quality or integrity of the training solution.
what our customers have to say about Cosine
Your commitment, passion, and delivery were really amazing. We had a great start and the speed as well as intensity with which we rolled out globally over 3 years was unbelievable.
We want to share the results of our Richardson seminar. It was a HUGE success! Rating a 5.73 on a scale of 6.0 – the highest rating a training program has gotten here.
Thank you so much for the great training! For the first time ever I wasn’t nervous going to a customer meeting—I had my plan and knew exactly what I was going to do.