As a leading training and coaching company, we help individuals and teams achieve commercial and leadership excellence . From leaders to new recruits, we offer a broad range of training and coaching programmes including negotiation, selling, management and leadership. All tailored to your specific needs and challenges.

Diadem’s joined-up approach to development makes it easier for to apply the learnings in a consistent way. Our expertise in the power of commercial and emotional intelligence will be your and your team’s competitive advantage.

The breadth of our offering means that you can have a joined up approach to your training and development programmes. This means that your training programmes can be connected making it easier for delegates to apply the learnings in a consistent way.

Our expertise in the power of commercial and emotional intelligence will be you and your team’s competitive advantage.

years of commercial experience
“How have I got this far in my career without this training? I truly believe that this will change my performance in the future”
HAZEL CLARK, Head Of Marketing, Florette

“The time, commitment, passion, expertise and patience shown by Diadem supported our learning and provided a safe environment to work through the observed behaviours and skills”

PAUL TYNAN, Sales Director, Nestle Cereal Partners

“Coaching with Diadem has been a revelation. It has taught me that taking time out to understand what makes you and your organisation tick is 90% of the solution to ensuring you get the most out of every situation. The only downside is that the sessions are over way too soon!”​

DUNCAN MACDONALD, Executive Director, Liberty Global
“The coaching techniques have given me the confidence to offer my support and resource to anyone within the commercial function who may need it.”​
HANNAH GIBSON, Revenue Growth Manager, KP Snacks
“I can’t recommend Diadem’s Master Negotiator workshop highly enough – it was the best course I’ve ever been on! The high quality of the training on the day together with the personalised follow-up coaching has helped embed those transferable skills which are invaluable in my job.”​
JO WHEATLEY, Senior Partner Delivery Manager, Virgin Media
“This programme was really targeted to our business needs and wherever possible was applied to real examples, making it easier to consider how to use these tools and techniques when back in the “real” world!.”​
LAURA ATWELL , National Account Manager, Beiersdorf
“The Diadem trainers are really inspiring and involved the whole group. I really enjoyed the workshop and the energy they have.”​
ALI SYED, Commercial Director, Expedia
“Today I had a career defining meeting with the top brass of Virgin Media. Due to the skills acquired through the Diadem Master Negotiator training – the meeting was a breakthrough. In 22 minutes, we achieved a £20m saving.”​
JEFF WOLLEN, Executive Director Virgin Media
“By using one of the STRONG techniques with a client I re-couped the total programme costs for myself and my seven colleagues.”​
ROB EVERETT, Client Services Director, COMAG
“Diadem have helped me transform both my content and performance in such a short space of time. They have the knack of spotting areas of improvement and give constructive advice on how to make your presentation memorable. Diadem are insightful, committed, fun and direct. I can’t recommend them and this course highly enough.”​
PETER ROBERTS, Senior Relationship Manager, Investec Bank

find out how we can help you

contact us to discuss your team’s training needs