As one of the top five largest associations of independent accounting firms in the world, PrimeGlobal member firms offer a powerful range of services and industry expertise to meet your needs – around the globe, around the clock. If your company is seeking accounting services such as tax advice or tax preparation, audit or internal audit services, corporate finance advisory, wealth management advisory, or any other service provided by a public accounting firm, we encourage you to review our site and learn more about our independent member firms’ expertise. 

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The PrimeGlobal Difference

In a global business environment, finding an accountant with strong technical skills in audit, tax, and consulting services isn’t enough. You need an advisor with the ability to do business almost anywhere – in almost any business niche you can think of.

Getting to “global” is tough for any accounting firm to do on its own. That’s why you should check out our member firms for your business needs. When you use a PrimeGlobal firm, suddenly you’re working with an international, multidimensional powerhouse.

Our independent member firms know and care about each other – which makes them masters of the seamless transition. You get the best of all possible worlds: a local firm that really knows you and your business, and international connections that travel at the speed of light.

Global Reach. Local Understanding. Personal Connections. A unique value proposition to make your business soar.

That’s the power of PrimeGlobal.

Member Spotlight

Grossman St. Amour CPAs

Syracuse, New York


Grossman St. Amour CPAs has been providing services in the areas of accounting, audit, taxation, business planning and valuation, financial planning, investment management, and fraud prevention and detection since 1957.

BTU Simon



Law, taxes and accounting are subject to constant change. BTU SIMON will support you in the management of all legal and fiscal processes, successfully relying on our integrated consulting approach which has served our clients well for more than 30 years.

Cosmos & Co.



Established in 1988, Cosmos & Co. provides Assurance Services (audits and others), IPO Support, and Consulting Services, M & A (connecting the company and due diligence) as high quality services.

Castillo & Asociados S. Civil R.L.



Castillo y Asociados S. Civil de R.L., is a professional organization oriented to offer comprehensive services to companies in any sector and dimension, with particular emphasis on financial consultancy, strategy, organization, operational management and development of business plans.