Key Account Specialist

Company Description

Mantuis aninternational companyprovidingguidance and servicestobusinesses and entrepreneurs.
We ourselves are entrepreneurs: we started out from scratch and built a successful business based on our values and our “Tomorrow is human” vision.
We constantly generate opportunities for a vast talent community and encourage our team members to have an impact and make a difference. This is how our team has grown to more than 7,000 talented people of 100 different nationalities, spread across 5 continents and 60 countries.
We havemany brands in our portfolioand regardless of their expertise or the sector they operate in, theyall share a single mission: achieving businesses’ and entrepreneurs’ ambitions.

Your Role

Job Overview

  • Key Account Specialist is responsible for managing queries, analyzing data and maintaining client accounts.
  • The responsibilities of Key Account Specialist include performing administrative duties, processing and resolving complaints, and preparing reports.
  • To be successful as a Key Account Specialist, you should have strong customer service skills, as well as strong organizational and analytical skills.

Responsibilities and Duties

  • Developing a solid and trusting relationship between major key clients and company
  • Resolving key client issues and complaints, including invoicing and credit notes generation
  • Developing a complete understanding of key account needs
  • Anticipating key account changes and improvements
  • Managing communications between key clients and internal teams
  • Planning and presenting reports on account progress
  • Keep tracking outstanding debts.
  • Plan course of action to recover debt and liaise with other departments
  • Negotiate extended payment plans and the best course of action for customers seeking to avoid further debts


  • Partly ACCA qualified or Degree in Business / Management / Finance or similar.
  • Previous working experience as a Key Account Specialist, accounting/ billing, banking.
  • Good organizational skills.
  • Problem-solving skills.
  • A proactive attitude.
  • English and French Speaking & Writing
  • Strategic thinker
  • Keen attention to details

Why us?

  • Be part of an international, multicultural environment of 7,750 talented people over 60 countries and 5 continents
  • Join a fast-growing global group with a turnover of €565M and over 1,000 clients across the world
  • Explore opportunities to grow quickly with a tailor-made career path: 70% of our key senior talent joined the company at entry level
  • Take advantage of over 500 training courses in our ACADEMY catalogue, which includes programs in interpersonal communication, team management, project management, etc.
  • Get the opportunity to support nonprofit organizations thanks to our Foundation initiatives and volunteering platform OneSmallStep
  • Depending on your performance and eligibility criteria, you can benefit from international mobility opportunities and progress your career worldwide, and/or experience other departments and sectors
  • Unlock your full potential, both professionally and personally.
Mantu is an international group providing guidance and services to businesses and entrepreneurs to help them fulfill their dreams, achieve their ambitions and materialize their projects. We provide a range of services structured within 7 areas of expertise: Leadership Advocacy & Shaping Advisory, Future of Work, Technology, Disruption & Growth, Online-Reputation & Digital Marketing, Experience and Innovation. Our Group is present in more than 60 countries over 5 continents and brings together more than 7000 people across 100 different nationalities. We believe that business is above all a human adventure carrying the world forward. This is why entrepreneurship is the world’s biggest transformation lever. Regardless of their expertise or the sector they operate in, all the Group’s Brands share a single mission: Building and nurturing the best talent community to achieve businesses’ and entrepreneurs’ ambitions. Businesses need people, passion and engagement to make a life not a living. More than ever, tomorrow is human!