NBG Chartered Professional Accountant Professional Corporation is a Hamilton-based accounting firm founded by Neena Gambhir, a certified CPA & CMA professional. The NBG accounting firm provides accounting, tax, and advisory services to individuals, start-ups, and small & medium-sized businesses. We have a complete range of resources to cater to financial needs while helping your business succeed in the long term. No matter what your financial requirement is, we've got the right solution for you.