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About Us

Who We Are

Big 4 Expertise, Boutique Care

JAG Corporate Advisory Services (JAGCA) is a Singapore-based boutique firm founded by three former Big 4 professionals—Jimmy, Allan, and George. We combine institutional knowledge with personalized service to help SMEs and growing businesses navigate complexity with clarity.

60+ Years of Combined Expertise

Founded by ex-Big 4 professionals, we combine deep knowledge with practical business insights

Holistic Problem- Solving

We tackle challenges beyond numbers — strategically, collaboratively, and with clarity.

End-to-end services

From compliance to complex transactions, we provide integrated solutions to support every stage of your business journey.

Our Features

The JAGCA Way

We redefine professional services by blending Big 4 rigor with the agility of a boutique firm. Here’s how we deliver unmatched value:
Clarity in Complexity

We translate technical jargon into actionable insights, empowering you to make informed decisions for growth, compliance, or transitions.

Cross-Disciplinary Collaboration

Our founders—Jimmy (Valuation), Allan (Tax), and George (Accounting)—work as a collective. This ensures seamless integration of services, from tax structuring to M&A readiness.

24/7 Support

Unlike large firms, we prioritize direct partnerships. You’ll work with senior advisors, not junior staff, ensuring consistency and trust.

Our Team

Meet our team

Jimmy Lim, CVA, M.Fin

Executive Director, Corporate Finance
Jimmy Lim is a Chartered Valuer & Appraiser (CVA) and has been in the professional services profession since 2002 and he is currently a consultant (previously a Partner) with the Corporate Finance department at PKF-CAP Advisory Partners Pte Ltd, a member firm of PKF International. He was previously with Deloitte & Touche Financial Advisory Services, Provenance Capital, Deloitte & Touche Corporate Finance and Deloitte & Touche LLP.
Jimmy has over 20 years of corporate finance, valuations, capital markets and audit experience in serving local, multinational, and listed companies in Singapore and the Southeast Asia region. He has provided sustainability reporting services to Singapore listed companies and has published an article “Impact of ESG on Business Valuation” with IVAS.
Jimmy’s merger and acquisitions advisory track record includes role as lead financial advisor in completed transactions comprising a listed general insurance company, a Japanese car leasing business, an engineering company and a print, paper & product company.
His capital markets experience includes independent financial advisor for Singapore listed companies and Business Trusts.
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Jimmy Lim

Allan Yap, CA, M.IntTax

Executive Director, Tax
Allan is a well-seasoned tax advisor and practitioner with over 25 years of experience in professional practice in the “Big Four” public accounting firms as well as in multinational corporations in the investment banking, oil and gas, fintech, manufacturing, and construction and investment management industries.
His expertise spans across international tax advisory, tax planning, structuring and optimisation, mergers and acquisitions, IPOs, transfer pricing, tax due diligence, SOX and internal controls, tax risk management, tax controversy and tax audit dispute resolution, tax compliance and tax accounting and reporting.

Allan holds a Master of International Taxation degree from Melbourne Law School at the University of Melbourne, Australia, as well as a Bachelor of Accountancy (Business Law) degree from Nanyang Technological University, Singapore. He is also Chartered Accountant, Singapore.

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Allan Yap

George Wong, CA, ACVA

Executive Director, Mergers & Acquisitions
George has more than 20 years of professional services experience with Deloitte and KPMG and over 15 years of Mergers and Acquisitions experience.
George served as lead due diligence advisor for the sale or acquisition of target companies in various industries – technology/media, industrials, shipping, logistics, real estate, healthcare and consumer products. George has completed over 150 transaction services mandates for corporates and private equity clients in the mid-market M&A space, with deal size ranging from $20 million to $500 million.
His expertise in transaction services includes due diligence for share and asset acquisitions, carve-out support, vendor due diligence and support on Sale and Purchase Agreements and Completion Accounts. He is experienced in delivering complex cross border acquisitions and divestitures, as well as, working with SMEs on transaction readiness and preparation for fund raising.
George holds a Bachelor of Accountancy (Hons) degree from Nanyang Technological University and is a Chartered Accountant (CA) and an Associate Chartered Valuer & Appraiser (ACVA) in Singapore.
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George Wong
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We bring the right minds at the right time, delivering clarity in complexity.
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9 Temasek Boulevard #07-01 Suntec Tower Two, 038989, Singapore
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