Who We Are
Your Trusted Partner in Technical Excellence
and Financial Governance
YS Gan & Co was founded in October 2017. We aim to uphold professionalism and play the vital role in ensuring regulatory compliance among small-and-medium businesses.
While the firm has relatively short history, our team is blessed with passionate and experienced hires. We work innovatively within well-established processes and protocols to achieve accuracy, consistency and efficiency.
As of today, YS Gan & Co is serving more than 1000 SME clients spanning across property development, manufacturing, construction, small scale plantations, F&B, retail, etc. The firm currently employs close to 40 staff and has been accredited as one of the ACCA Platinum level approved employers since Dec 2021.
Professional Credentials
Vision
To be a trusted audit firm known for integrity, technical excellence, and long-term partnership with our clients.
Mission
- To deliver high-quality audit services that comply with professional standards and regulatory requirements.
- To help clients strengthen financial transparency, governance, and confidence in their reporting.
- To build a stable and competent audit team committed to continuous professional development.
Core Values
Integrity
We uphold independence, objectivity, and ethical standards in every engagement. Our opinions are based on facts, evidence, and professional judgement – nothing else.
Accountability
We take full responsibility for the quality of our work, our audit opinions, and our professional decisions. We deliver what we commit, on time and to standard.
Professional Excellence
We emphasise strong technical competence, disciplined audit processes, and continuous learning to ensure our audits remain reliable and relevant.

Founder & Managing Partner
Gan Yu Senn (Usen)
FCCA, MIA
Usen founded YS Gan & Co in 2017 with a steadfast commitment to integrity and technical excellence. As a Chartered Accountant (MIA), a Fellow of ACCA, and a current member of the MIA Public Practice Committee, Usen remains at the forefront of regulatory standards and industry evolution in Malaysia.
Under his leadership, the firm has achieved rapid growth while maintaining full compliance with ISQM 1 & 2 – the international quality management standards for audit practices. This means every engagement at YS Gan & Co is governed by a structured system of quality control, from client acceptance through to final reporting. Usen believes that professional excellence is rooted in the competence of the team; he personally oversees the development of internal expertise, ensuring that YS Gan & Co attracts and retains top-tier talent. By building this professional capacity internally, he ensures the firm provides the reliable, fact-based reporting necessary to support our clients' organic expansion and long-term stability.
Meet Our Leadership Team
Phuah Jessie
Audit Director
FCCA, MIA
Wong Ee Wen (Rachel)
Senior Audit Manager
FCCA, MIA
Chan Jia Yee
Manager, Quality Review & Compliance
ACCA, MIA
Leong Hiu Thong (Belle)
Audit Manager
MIA
Our Associates
We also work closely with associates who specialize in other areas:
Bispoint Tax Consultant Sdn Bhd
Tax Compliance and Advisory
Jh Tan & Co
Corporate and Commercial Legal Services
Mavens Fourmi Sdn Bhd
Business Project Management Services
Need Advice?
We Are Here to Help
First consultation is FREE. We’ll tell you exactly what documents you need before we start.