Expertise in M&A, growth and restructuring
Introducing Bazanne
Your strategic partner
At Bazanne, we help our customers achieve successful transactions, optimize their strategy and transform their business model. Our clients testify to our effectiveness in growth, acquisition and restructuring, with measurable and lasting results.
With expertise in the M&A sector and a proven track record, Bazanne has accompanied a variety of clients on their transformation journey, ensuring sustainable growth and accurate business valuations.
Introducing Jean-Marie Longin
- The founder
28 years of experience
.
Jean-Marie Longin is an experienced executive and advisor with over 28 years of experience in driving growth, operational transformation, and M&A transactions.
After starting his career at Solvay in management control, engineering, maintenance, safety, and purchasing (Germany, France, China), he joined Cap Gemini (formerly Bossard Gemini Consulting / Ernst&Young Consulting), where he supported major industrial groups (Safran Defense, Total, Renault, Lafarge) as well as service companies (Brinks, Elidis-Kronenbourg) in their transformation, cost reduction, and commercial policy.
He then spent 20 years at American Express (Cards and Global Business Travel) in purchasing (Europe), operations (France) and then as Business Development & Sales BU Leader (Worldwide). There, he managed international projects for sales and development of Tech, Payment, procurement, and large-scale transformation solutions, as well as target company evaluations (due diligence, post-M&A, etc.).
In 2024, he took over the Global direction of Supplier Sales and the Direct Bid Business Unit at Proactis (leading S2P software editor).
Before creating Bazanne in 2025 to focus on supporting executives and investment funds (+30 assignments).
Core competencies
Growth Strategy and Business Development for Complex Solutions (SaaS, FinTech, Payments, TravelTech, ProcureTech)
Operational transformation, cost-killing, and P&L optimization for services and industry (large corporations or SMEs).
Restructuring and reorganization
M&A: Valuation (triangular approach), Due Diligence (financial, commercial, operational), Buy-side and Sell-side Advisory, Fundraising.
Support for Anglo-Saxon investment funds as an expert in TravelTech and ProcureTech.
Formation : Ingénieur – Arts & Métiers ParisTech (Grande École)
Executive Education: Finance (Yale), Artificial Intelligence (MIT), Procurement (Arizona State University)
Jean-Marie works in French and English. He is recognized for his pragmatic approach, his ability to translate strategic challenges into concrete action plans, and his commitment to measurable and sustainable results.
A strategy tailored to each market
28+
100%
2020
Ready to take your business to the next level?
Contact us today to discuss your growth ambitions, sale or divestiture projects, cost reduction initiatives, restructuring, or organizational challenges.
A 20-minute call to clarify your needs — 0033 6 20 86 70 64
or an email