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Author

James Mills

Senior Client Director

About James

Senior Client Director at Sopro, James Mills leads strategic client partnerships and drives growth by helping B2B businesses expand their sales pipelines through expert-led, multi-channel lead generation and prospecting services.

With over 20 years of experience in commercial and client-facing roles, James brings deep strategic insight, revenue-growth expertise, and a proven ability to build long-term, high-value client partnerships that deliver measurable business impact.

Career highlights

  • Over 9 years at Sopro, progressing from Head of Client Services to Senior Client Director, leading high-value client relationships and commercial growth initiatives.
  • Responsible for strategic oversight of complex B2B prospecting programmes, driving measurable pipeline and revenue outcomes.
  • Former Senior Finance Consultant at PageGroup, advising clients on financial recruitment and commercial hiring strategy.
  • Nearly 7 years at Domestic & General, progressing from Team Leader to Account Manager, building strong foundations in customer experience, contact centres, retention, and performance management.
  • Extensive leadership experience across account management, outsourcing, customer retention, and B2B relationship development.
James Mills

Connect with James

Find a solution that fits your short, mid and long-term goals - and start it yesterday.

James Mills | Senior Client Director

Expertise

Account management • Strategic client leadership • B2B prospecting and outreach • Customer retention • Commercial growth strategy • Contact centre operations • Outsourcing partnerships • Team leadership and performance development • Financial services and recruitment markets • Client experience optimisation

Education

BA (Hons) Applied Psychology – University of Brighton

Latest articles from James Mills

Cold email

11 min read

November 25, 2025

What is an email blast? Pros, cons, and alternatives to mass email

Our guide to email blasting explains why the technique can be detrimental to your email marketing strategy and explores email blast alternatives you can try.
Cost-per-acquisition. Magnet attracting objects.
Optimising the sales process

9 min read

September 01, 2025

Cost per acquisition (CPA): What is it and how do you calculate it?

This guide covers everything you need to know about cost per acquisition (CPA), including how it works, how to improve it, and why it matters.
B2B sales

16 min read

June 20, 2024

How to grow your LinkedIn network for optimised B2B outreach

Grow your LinkedIn network for optimised B2B sales outreach. From refining your profile to keeping an eye on the analytics, follow our guide.
B2B audience

10 min read

January 29, 2024

How to create a prospecting list: Expert guidance for B2B sales success

Discover how to build a B2B prospecting list that fuels smarter outreach, better targeting, and real results. Step-by-step strategies from the experts at Sopro.
B2B marketing

8 min read

February 21, 2023

UTM tracking explained

What UTM codes are, how they’re used, and how you can use them to make the most of your marketing campaigns.
B2B sales

5 min read

November 11, 2021

4 sure-fire ways to sell more with consultative selling techniques

Consultant selling is an approach that focuses on building a relationship with a customer or prospect, understanding their problems. Here are four surefire ways to sell more.