Mainstreet | 9,176 followers on LinkedIn. Streamline your bookkeeping, discover hidden tax credits, and manage your finances with our AI-powered platform. | Small businesses are the backbone of our economy, but they shouldn't have to choose between growing their business and managing complex back office operations. We're here to change that. Mainstreet was founded on the belief that small businesses deserve the same level of support and expertise that larger enterprises take for granted.