Since 2007, QUANTEAM has been advising and supporting banks and financial players through a high level of expertise and strong human values.

Experts in banking and market finance consulting for over 15 years

Since its creation, QUANTEAM has chosen to differentiate itself through a human approach to consulting based on close proximity to its customers and employees. As a specialist in the banking and financial sectors, we are convinced that our human values - proximity, team spirit, diversity, excellence - are a source of fulfillment for each and every one of us, and that the diversity of our profiles, experience and backgrounds is a strength in creating value for our customers. Our values, our methods, our organization and our resolutely human-centred vision make the difference, and we're proud of it!

QUANTEAM supports all the major players in banking and finance across their entire value chain, thanks to five internal areas of expertise: quantitative finance, risk, compliance & regulatory, operations & finance, transformation & organization and information systems.

Our customers include: Corporate and investment banks, asset managers and private banks, securities custodians, retail banks and other financial players.

QUANTEAM's DNA: fostering proximity and the desire to grow together

Why is QUANTEAM different from other banking and finance consultancies? Quite simply because of its vision, specialized expertise and human values that make all the difference!

QUANTEAM is a consultancy firm with expertise in the banking and financial sectors. We innovate by combining business and IT skills, to stay as close as possible to our customers' issues. Simply put: our experts know your business and can devise the solution best suited to your needs! Resolutely human, we integrate the best potential on the market and strive to make it grow on a daily basis. Discover what makes us different:

  • Our priority is to create a lasting bond with all our consultants and customers! Conviviality, proximity and sharing are key concepts that we bring to life every day through corporate events (afterwork, seminars, company parties...) or simply over a shared coffee.
    The health and well-being of our consultants is the best guarantee of their commitment to our customers' projects. So we take good care of them!

  • It's a reality! At QUANTEAM, every consultant is at the heart of the decision-making process, and plays an active role in the choice of assignments. Everyone plays a part in the life of the company and contributes to building the QUANTEAM company of tomorrow.

  • True to our values, the cohesion of our teams guarantees our customers a personalized response in line with their needs. For our consultants, it means access to stimulating assignments and the chance to progress.

  • Certification training, tribe leadership, coaching, internal feedback... we take care of our employees and develop their strengths to guarantee the quality of the services we deliver. Each employee benefits from personalized on-boarding and career follow-up within the company. And if you're on assignment? Our HR team will come and meet you.

  • On the customer's side, we adapt to each request, work method or organization to provide a service of excellence. It's because our customers and staff have confidence in the quality of our consulting services that QUANTEAM is one of the leading players in the market, and the long-standing pure player in banking and finance consulting.

  • Professional difficulties, personal difficulties, project difficulties? Life isn't a long, quiet river, and we support our employees in all circumstances.
    The best reward we can have? Employees who have been with QUANTEAM for over 10 years, and who trust us every day.

  • QUANTEAM has an international reach, with offices in New York (USA), Montreal (Canada), Brussels (Belgium), London (UK), Geneva (Switzerland), Lisbon and Porto (Portugal).... We are constantly attentive to the needs of our employees, in order to support them in their desire for career development. As part of our "mobility process", we encourage internal geographic mobility, which is reflected each year in the departure of several of our consultants to our offices abroad.

General Management


Chairman and Chief Executive Officer

Founder of QUANTEAM consulting firm and RAINBOW PARTNERS Group.
A graduate of EM Lyon (specializing in Market Finance), Julien BENSOUSSAN began his career as a market operator (Sales). He then joined a major consulting and auditing firm as Consultant Manager in Market Finance, before taking over responsibility for the Market Finance division of a major player in the service sector. In 2007, driven by the conviction that it was necessary to create a new, more human approach to consulting, faithful to its values of diversity and excellence, he founded QUANTEAM and then, rapidly, the RAINBOW PARTNERS Group to create a collective of multi-specialist firms present in France and internationally.

In a few words :

True to our values, we are fortunate to be surrounded by talented people and to be able to grow together.


Executive Vice President

Deputy Managing Director of consulting firm Quanteam
Graduating from EMLYON in 2015, Maxime joined a major consulting player as Business Manager, for two years, to develop a new entity specializing in market finance in Paris and London. He joined QUANTEAM in 2016 and progressed through roles as Senior Business Manager, Key Account Manager and then Business Unit Director, before being promoted to Deputy Managing Director in 2022.

In a few words :

The strength of our team and our resolutely human values are Quanteam's DNA. And that's what enables us to make a difference every day!

La Presse speaks

Vision of entrepreneurship, Key values, Life balance, Parity and diversity, Successes and failures...

Read Julien BENSOUSSAN's vision, Chairman and founder of QUANTEAM and the Rainbow Partners Group, and his views on the importance of human encounters and the wealth of talent that make up the strength of a company like QUANTEAM today.

Ambitions, recruitment, key values... Julien BENSOUSSAN talks about the Rainbow Partners group's new identity for BFM Business (BFTM TV) during the "90 Minutes Business" program.

Find out more about the Group's ambitions up to 2027 and the profiles sought through the 400 recruitments planned in France and abroad.

Four values
that make us strong


Building lasting relationships with our customers and employees is a priority for us, so that we can stay as close as possible to your expectations!


Growing our talents through the collective intelligence of our "Tribes" and encouraging the sharing of best practices, combining our expertise to develop synergies in the service of our customers... this is the key to our success as a team!


QUANTEAM's raison d'être is to give everyone a chance and, thanks to our 35 different nationalities, to offer a diversity of points of view, profiles and skills, so that we can grow stronger together.


Delivering quality services, recruiting the best skills and supporting our talents in developing their potential through ongoing training. At QUANTEAM, we innovate to create value

Key figures


Year of creation


Employees World 2023


Worldwide sales in 2023


Key account customers


Nationalities at Quanteam


International offices


Average age


F/H equality index

a "hangared" company

True to its values, QUANTEAM is committed to diversity and inclusion, the environment and sustainable development, and puts these into practice every day. Our values and ethical responsibility are reflected in our CSR policy, our disability awareness program (Hangagé), our social mix and our meaningful corporate philanthropy initiatives.

Partnering with top schools

Finding the best talent and nurturing potential is part of our DNA! It goes without saying that we have developed close ties with leading business and financial engineering schools, enabling us to recruit the best candidates as soon as they graduate.

Thus, since 2022, QUANTEAM has been a partner ofemlyon business school and sponsors the Master MSc in Finance to support future finance players in their studies, notably through social scholarships.

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