Nonprofit Service Group (NSG) has been providing nonprofit fundraising registration services to charities and professional fundraisers since 1999. Hundreds of charities have trusted our knowledge and expertise in the field. From initial state filings to annual reporting and tax exemptions, NSG can handle all your charitable and business registrations for you. Nonprofit organizations all across the country have been calling on Nonprofit Service Group for decades to help them navigate the world of complex and specialized legal, accounting and regulatory requirements imposed on nonprofits to benefit their causes.