Mainstreet (@MainStreet) — Twitter Score 10 out of 1000

Mainstreet is an AI-powered financial operations platform that was acquired by Employer.com in May 2025, with its fifteen-person team reported as joining the acquiring company. Mainstreet's Twitter Score is 10 out of 1000 as of September 2026, ranking #91,928 among 486,860 tracked accounts.

Mainstreet was co-founded by Doug Ludlow and Dan Lindquist to help small businesses streamline bookkeeping, uncover tax credits, and manage core financial operations through a cloud-based, AI-driven platform. Its services spanned financial reporting, entity formation, compliance, and tax-credit discovery and claiming. SignalFire led a $60 million Series A in March 2021, and per TechCrunch, the company raised approximately $75 million in total known venture capital and reached a $500 million valuation that same year.

Mainstreet drew backing from a broad group of investors including Tusk Venture Partners, Shrug Capital, Moxxie Ventures, Weekend Fund, Gradient Ventures, Sound Ventures, and SV Angel. In May 2022, the company laid off roughly 30% of its staff, with co-founder and then-CEO Doug Ludlow citing difficult market conditions at the time. The Employer.com acquisition, announced May 5, 2025, was for an undisclosed amount. Mainstreet has 7,071 followers as of September 2026 and 439 posts on the platform. The account has been mentioned by 49 accounts, with 94 total mentions.

Who follows Mainstreet on X?

The accounts that follow Mainstreet include 63 founders, 21 angel investors, 9 influencers and 6 VCs, among them Packy McCormick, Bruno Faviero, Drew Austin, Maggie Love, Kevin Weil and Ashton Kutcher.