About Best-Ex

Independent advice with direct senior involvement.

Best-Ex Consultancy is a director-led customer experience and CRM consultancy founded in London in 2020. Clients work directly with founder and director Adile Sumer from the first discussion through delivery and handover.

Founder and director

About Adile Sumer

Adile has more than a decade of experience across customer service, customer relations, customer experience, and consultancy. Her earlier work in premium automotive and service operations included complex complaint management, customer feedback analysis, customer care oversight, CRM improvement, stakeholder coordination, and the training and coaching of customer-facing teams.

Adile connects customer evidence with the practical realities of systems, processes, and team behaviour. She focuses on clear findings, workable recommendations, and effective handover.

Professional foundation

Experience supported by continued learning.

  • Master's degree in Marketing.
  • Bachelor's degree in International Relations.
  • Customer Champion train-the-trainer development.
  • Customer relationship management training.
  • After-sales training.
  • Strategic sales techniques training.
  • English and Turkish language capability.

How Best-Ex works

Clear principles for practical work.

Evidence before assumptions

Recommendations start with available customer feedback, workflows, records, and stakeholder knowledge.

A practical scope

Each engagement defines the problem, outputs, responsibilities, and limits before work starts.

Direct senior involvement

Clients work directly with the consultant responsible for delivery.

Respect for confidentiality

Client and customer information is used only for the agreed purpose.

Capability that stays

Documentation, training, and handover help teams maintain improvements after the engagement.

Start a conversation

Bring a customer problem into focus.

Work directly with Adile from the first discussion through delivery and handover.

Discuss your project