
Hands-On Marketing Expertise
Flexible marketing support delivering measurable impact where it matters most.
Trusted By Leading Organisations Worldwide
Results-Driven Partnership
We plug seamlessly into your business, delivering practical marketing support across growth strategy, brand positioning, product launches and digital performance.
Step 1
Free Discovery Call
Talk to us about your business challenges and where you need the most support -whether on a fractional, interim or project basis.
Step 2
Define & Deliver
We bring together the right people, expertise and support to help move your business forward.
Step 3
Drive & Scale
We work alongside your business to build momentum, improve performance and support long-term growth.
Global expertise. Practical support
James founded Plug & Play to help businesses access experienced marketing expertise on a flexible, results-driven basis.
His career spans both B2B and B2C organisations, from global brands including FIFA, Samsung, Google, Sky and Kodak to ambitious entrepreneurial businesses operating in high-growth environments.
James brings practical, hands-on experience to help businesses strengthen their brand, engage customers and deliver long-term commercial success.
Our Network of Trusted Specialists
Alongside senior marketing expertise, we plug in trusted specialists to provide additional support across creative, digital and performance-led activity.
- Connecting businesses with experienced creative, digital and marketing specialists
- Building flexible teams around specific business challenges and opportunities
- Delivering scalable support without the overhead of a traditional agency model
- Providing expertise across design, digital, PR, content, media and development
- Working seamlessly alongside existing teams, partners and stakeholders
“How have I got this far in my career without this training? I truly believe that this will change my performance in the future”
“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”
“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!”
“The coaching techniques have given me the confidence to offer my support and resource to anyone within the commercial function who may need it.”
“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.”
“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!.”
“The Diadem trainers are really inspiring and involved the whole group. I really enjoyed the workshop and the energy they have.”
“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.”
“By using one of the STRONG techniques with a client I re-couped the total programme costs for myself and my seven colleagues.”
“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.”

Get Clarity On Your Marketing Strategy
Every business is different. Book your free call today and we’ll explore the “heavy lifting” support that will deliver the greatest impact for your growth and commercial goals.




