Best Investment Banks Companies in Michigan, United States
The 39 best Investment Banks companies in Michigan, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Tillerman & Co.
Ranked: Best Investment Banks companies in Michigan
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Tillerman & Co Investment and merchant banking services for middle-market businesses, focusing on long-term success | $5M | 96 mo ago | Seed | Remos Lenio Partner | 2015 | — | — | — |
| 2 | Stout Investment banking and management consulting firm | — | 58 mo ago | Acquired | Craige Stout Co-Founder & Chief Executive Officer | 1991 | SitecoreMicrosoft ASP.NETBootstrap+25 | 6 patents Patents concentrated in transport & manufacturing processes | 1 job opening |
| 3 | 360 Capital Partners Investment bank focused on middle-market companies | — | — | Deadpooled | Aaron Witalec Senior Managing Director | 2020 | — | — | — |
| 4 | Accelerator Group Investment bank focused on lower & mid-market companies | — | — | Unfunded | Cliff Ansel Board of Directors | 2003 | — | 2 patents Accelerator-driven nuclear power generation systems | — |
| 5 | Acquisition Partners Group M&A and corporate advisory firm focused on technology based businesses | — | — | Unfunded | Neal Doshi Partner | 2018 | — | — | — |
| 6 | Advisor Legacy Advisor practice transition and valuation services provider | — | — | Unfunded | Anthony Whitbeck CEO | 2014 | — | — | — |
| 7 | Amherst Partners Investment Bank & corporate advisory firm | — | — | Unfunded | Don Luciani Partner | 1994 | WordPressMySQLPHP+31 | — | — |
| 8 | Angle Advisors Global investment bank providing M&A advisory and private capital raising | — | — | Unfunded | Clifton Roesler Co-Founder | 2010 | WixSentryBootstrap+18 | — | 1 partnership |
Top 2 Investment Banks companies in Michigan
#1
Seed · Grand Rapids, Michigan · founded 2015$4.5Mraised▾
Investment and merchant banking services for middle-market businesses, focusing on long-term success. The company provides investment and merchant banking services, specializing in helping closely held companies with mergers, capital sourcing, and transaction support. Their approach involves solid strategy, creative solutions, honest communication, and exceptional service. They focus on transactions in the manufacturing, distribution, agribusiness, energy, business services, and consumer products sectors. With experience consulting with privately held and family-owned companies, they work on both the buy-side and sell-side, advising on numerous successful transactions. They assist owners interested in selling their company to buyers who will maintain jobs, culture, and community connection, creating transactions that preserve heritage while maximizing returns. The team's experience as business owners, corporate executives, and merchant bankers allows them to understand the importance of long-term success.
- Aug 2018Conventional Debt$5.2M
- Jul 2018Seed$2.4M
- Oct 2017Seed$2.1M
#2
Acquired · Royal Oak, Michigan · founded 1991 · 530 employees—raised▾
Investment banking and management consulting firm
- Oct 2021PE—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Investment Banks coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising