We are Quantum

Founded in 1992 Quantum’s mission is to work with companies, entrepreneurs and aspirant sales professionals to improve their sales effectiveness

Our mission

We believe that both in boardrooms and amongst the public at large, professional selling is a misunderstood and under-valued resource. Our mission is to help companies and individuals to improve sales effectiveness resulting in improved sales productivity and the creation of sustainable competitive advantage through their selling operations.

A sales development consultancy focused on helping SMEs, Entrepreneurs and aspirant sales professionals to grow sales.

We are professional sales trainers, sales advisors and sales coaches. We design and implement sales improvement programmes designing and implementing an integrated mix of sales development workshops, 121 coaching and online support to improve sales performance.

View the short video below where Quantum MD Jeff Downs explains his views on how to improve sales effectiveness

Our credentials

We are a local, national and multi-national team who share the same values and have the same core skills and attitudes required to make things happen.

‘Touchy feely’ sales trainers we are not! We relentlessly work with our clients and their sales teams to continuously improve sales performance and to maximise the potential of each individual.


of companies grow faster with effective sales & marketing...


Effective field coaching is a rarity...


Customer loyalty driven by how we sell...


Successful salespeople spend 60% of their time selling...

We can provide a range of solutions tailored to your business needs.

Learn More

Let's talk...

To find out more about how Quantum can help to improve your company’s sales performance and achieve your growth targets, simply call or email us.



Quantum Sales and Marketing Services Ltd
Head Office, Langstone Technology Park, Langstone Road

Havant, Hampshire, PO9 1SA, United Kingdom. 

Registration no. 03668750

Please call us on:

07715 749691

or email:


to speak to one of our expert consultants.



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