Our Story
M & Sullivan is a Decision Science Consulting firm located in vibrant Bangkok, Thailand
Where we revolutionize data-driven strategy, change execution, and digital transformation! Our innovative methodologies come together to craft solutions that propel operational efficiency and fuel sustainable growth for our amazing clients.
With region connection and deep expertise in Southeast Asia, we're ready to make a lasting impact!
Certified with Quality &
Trusted Partner
We are certified to ISO/IEC 29110 standards through TÜV SÜD, reflecting our commitment to quality and rigor in every engagement.
Our work spans government agencies, financial institutions, and enterprises across Southeast Asia — delivering outcomes that are analytically rigorous, operationally feasible, scalable, and measurable.From market precision and strategic foresight to change agent enablement and digital transformation, M & Sullivan connects data, people, and systems to ensure insights move beyond analysis and deliver real-world impact.
Proven Track Record
40+
Client Engagements
With over 40 successful client engagements, M & Sullivan has a strong history of delivering data-driven strategies and transformational solutions to a diverse range of organizations.
102
Challegne
Serving clients across more than 10 different industries, we are recognized for our commitment to excellence and measurable impact on business performance.
3x
Operational Impact
Our solutions consistently drive operational impact, enhancing efficiency and promoting sustainable growth for our clients.
Our Commitment
Data-Driven
Precise
Impactful
Operational Excellence
Tailored Solutions
Cutting-Edge
Clientale
01
"M & Sullivan's transformational strategies have helped us optimize our operations and achieve sustainable growth in a rapidly evolving market."
Ethan Johnson
Director,
Impactful Solutions
02
"The data-driven approach by M & Sullivan has been instrumental in reshaping our business processes, resulting in improved efficiency and performance."
Melanie Wilson
Data Manager,
Optimum Dynamics
03
"M & Sullivan's team has been pivotal in enabling our digital transformation journey, providing impactful solutions that have streamlined our operations."
Jonathan L.
CEO, Synergy Innovations