41 public firms currently appear in Illinois. This page groups them into one market view so you can compare local presence, sector concentration, and likely size bands without opening every profile first.
Firms
41
Deal range
$650K–$23B
Top cities
Chicago, Evanston
Updated
3/14/2026
The Illinois view surfaces public firms with enough profile depth to compare quickly. Use the city and sector signals in the sidebar to narrow where to click next.
Every profile listed here has enriched research and is publicly visible. No placeholder entries.
Advisor profile
$15M–$500M · Chicago, IL
Independent boutique investment bank specializing in capital advisory and private placements for middle-market companies and real estate ventures seeking growth capital, acquisitions, and recapitalizations.
Advisor profile
$10M–$500M · Chicago, IL
Specialized boutique M&A advisor with 25+ years of experience, particularly strong in transportation and logistics, food industry, and consumer products consolidation across the $10M-$500M deal range.
Advisor profile
$10M–$250M · Chicago, IL
Chicago-based lower middle market M&A advisor with integrated debt advisory and growth equity services, ranking #6 on Axial's Top 25 LMM Investment Banks.
Advisor profile
$25M–$1B · Chicago, IL
Leading middle market investment bank with 25+ years of experience advising on sell-side, acquisition, ESOP, and capital raising transactions across manufacturing, healthcare, aerospace, and business services.
Advisor profile
$10M–$150M · Chicago, IL
Chicago-based boutique investment bank specializing in sell-side and buy-side M&A for middle-market companies in building products, chemicals & materials, food & beverage, and industrials sectors.
Advisor profile
$5M–$250M · Chicago, IL
Middle-market sell-side M&A advisor with 26+ years and 70+ completed transactions across industrials, consumer products, logistics, e-commerce, education/technology, and healthcare.
Advisor profile
$50M–$250M · Chicago, IL
Specialized boutique investment banking firm focused exclusively on M&A advisory, capital placement, and strategic advisory for middle-market building products companies ($50M-$250M+ revenue range). Known for deep vertical expertise, extensive buyer networks, and successful transactions across windows, doors, roofing, siding, flooring, distribution, and related segments.
Advisor profile
$1M–$40M · Naperville, IL
Naperville, Illinois-based M&A advisory firm specializing in $1M-$40M revenue businesses, operating on a pure success-fee basis with no upfront costs. Led by former business owner Jim Beno (CBI, M&AMI), the firm has deep expertise in manufacturing, industrial services, construction, and business services across 30+ states.
Advisor profile
$40M–$5B · Chicago, IL
Global independent investment banking advisory firm founded by former Lazard, Morgan Stanley, and Deutsche Bank partners, specializing in cross-border M&A, restructuring, and capital raising for manufacturing, healthcare, and TMT sectors.
Advisor profile
$2M–$50M · Chicago, IL
Chicago-based M&A advisory firm founded in 2014, specializing in sell-side transactions for privately-held healthcare, facility services, and industrial businesses in the $2M-$50M range. Completed 205+ transactions representing $400M+ in value.
Advisor profile
$50M–$500M · Chicago, IL
Premier minority-owned investment bank with 25-year history providing M&A and capital advisory to middle-market companies ($50M-$500M), supported by integrated capital markets platform.
Advisor profile
$3M–$150M · Schaumburg, IL
Established middle market M&A advisor since 1954 with 2,400+ transactions completed. No upfront fees, senior-level-only service, deep expertise in transportation, IT, and manufacturing sectors for $3M-$150M businesses.
Advisor profile
$50M–$500M · Chicago, Illinois
Chicago-based middle market investment bank specializing in sell-side M&A for family-owned and privately held businesses in the $50M-$500M range, with deep expertise across agriculture & food, industrial manufacturing, healthcare products, software, and business services sectors.
Advisor profile
$2M–$80M · Chicago, IL
Debt placement firm specializing in senior debt and mezzanine financing for middle-market companies. NOT an M&A advisor—outsources sell-side representation to affiliates.
Advisor profile
$10M–$200M · Chicago, IL
Award-winning, independent middle-market investment bank specializing in sell-side M&A advisory for healthcare, consumer products, industrials, and business services; $8B+ transaction value closed.
Advisor profile
$2M–$250M · Lake Forest, IL
Boutique lower middle market M&A advisor specializing in $2-$250M businesses with 75% closing ratio, multi-office platform, and deep expertise in healthcare, manufacturing, and business services transactions.
Advisor profile
$5M–$20M · Evanston, IL
Lower middle-market private equity firm specializing in food, food-related manufacturing, distribution, transportation, and niche consumer products with $5M-$20M revenue targets.
Advisor profile
$1.5M–$25M · North Barrington, IL
Specialized M&A advisory firm focused exclusively on the landscaping and green industry, serving companies with $1.5M-$25M in revenue through sell-side and buy-side advisory services with deep operational expertise.
Advisor profile
$10M–$150M · Chicago, IL
FINRA-registered M&A advisory firm serving lower-middle market businesses with integrated valuation expertise, conflict-free positioning, and 25+ years of founder/partner-level M&A experience.
Advisor profile
$1M–$100M · Lincolnshire, IL
Lower middle market M&A advisory firm specializing in manufacturing, distribution, and service businesses with $1-$100M enterprise value, backed by 40+ years of operational experience.
Advisor profile
$10M–$300M · Chicago, IL
Middle-market investment bank founded in 2001, specializing in M&A advisory and capital raising for manufacturing, distribution, building products, energy, and real estate companies with $10M-$300M transaction values. Known for operational expertise, dedicated research capability, and institutional-quality processes.
Advisor profile
$650K–$3M · Chicago, IL
Chicago-based acquisition company seeking to acquire one lower-middle market business in engineering, manufacturing, or technology. Founder-led, search fund model with strong operational expertise.
Advisor profile
$5M–$100M · Chicago, IL
Boutique investment bank exclusively focused on MedTech M&A, with deep expertise in medical device contract manufacturing, orthopedics, and surgical instrumentation. The firm's buy-side heritage gives them unique "buyer's eye" insight for sell-side engagements.
Advisor profile
$10M–$250M · Chicago, IL
Specialist investment bank founded in 2009, focused exclusively on food and agriculture M&A and capital raising. 200+ transactions representing $15+ billion in total consideration, with deep expertise across farm inputs, processing, distribution, and grocery retail.
Advisor profile
$5M–$50M · Lincolnshire, IL
Boutique M&A advisory firm launched in 2025 by Mowery & Schoenfeld, offering integrated investment banking, tax, and wealth management services to middle-market companies in manufacturing, healthcare, technology, and consumer products.
Advisor profile
$3M–$75M · Chicago, IL
Independent global mid-market investment bank specializing in M&A and debt advisory for $3M-$73M companies, with deep expertise in healthcare services (particularly physical therapy and dental), industrials, and business & technology services. 170+ professionals across 13 offices, closing 80+ deals annually.
Advisor profile
$50M–$5B · Chicago, IL
The largest independent investment bank solely dedicated to the clean economy, providing M&A, capital markets, and strategic advisory across utility-scale renewable power, distributed energy, low-carbon molecules, and sustainable technologies since 1999.
Advisor profile
$2M–$10M · Chicago, IL / Columbus, OH / Warren, PA
Lower middle market debt provider with $1B+ in commitments and 200+ transactions, financing PE-backed acquisitions, recapitalizations, and growth investments for companies with $2M-$10M EBITDA.
Advisor profile
$2M–$10M · Hinsdale, IL
Chicagoland-based single-family investment office making direct private equity investments in niche manufacturing, business services, and food & ingredients. Targets companies with $10-100M revenue and $2-10M EBITDA. Not a sell-side M&A advisor—a capital provider and buyer.
Advisor profile
$10M–$500M · Chicago, IL
Ranked #1 lower middle market investment bank by Axial (Q3 2025), Peakstone Group specializes in M&A advisory and capital raising for $10M-$500M revenue companies across 16 industries, with 40+ professionals, 10 offices nationwide, and hundreds of transactions completed.
Advisor profile
$10M–$250M · Bannockburn, IL
Middle market M&A advisory firm specializing in sell-side and buy-side transactions for business services, industrial, manufacturing, retail, technology, healthcare, and consumer companies in the $10M-$250M+ enterprise value range, with deep expertise in janitorial/facility services and founder-operated businesses.
Advisor profile
$25M–$350M · Chicago, IL
Premier Chicago-based boutique M&A advisory specializing in middle-market transactions ($25M-$350M TEV) with distinctive distressed M&A expertise, selling companies "not as-is, but as-best" through competitive buyer outreach.
Advisor profile
$10M–$250M · Chicago, IL
Chicago-based investment bank specializing in debt capital markets, M&A advisory, and capital raising for lower-middle-market companies and private equity sponsors seeking capital-efficient structures and competitive financing.
Advisor profile
$10M–$500M · Chicago, IL
Boutique financial advisory and investment banking firm specializing in complex restructurings, M&A, and distressed asset solutions for middle-market companies, with 700+ mandates and $160B+ in capitalization managed.
Advisor profile
$15M–$75M · Chicago, IL
Chicago-based family office investing in North American manufacturing businesses with $2M-$10M EBITDA, led by Madison Dearborn Partners co-founder Samuel Mencoff. Permanent capital deployed through operational partnerships emphasizing long-term value creation and strategic growth.
Advisor profile
$10M–$250M · Chicago, IL
Chicago-based independent middle-market M&A advisory firm (2010-2024) specializing in sell-side advisory, recapitalizations, and wealth transition planning for family-owned manufacturers and service companies in the $10M-$250M range across the Midwest.
Advisor profile
$1M–$50M · Chicago, IL
Chicago-based M&A advisory firm serving the lower middle market since 1999, specializing in sell-side transactions for manufacturing, technology, distribution, and business services companies.
Advisor profile
$3.5M–$500M · Evanston, IL
Global boutique investment bank specializing in emerging growth companies ($50M-$500M), with healthcare M&A, pre-IPO advisory, and strategic financing expertise. $7B+ transactions, 100+ companies, 45% IRR.
Advisor profile
$25M–$500M · Chicago, IL
Boutique investment banking firm specializing in ESOP and M&A advisory for founder-owned middle market companies (est. 250+ ESOP transactions with 98% closure rate). Deep expertise in ownership transition, employee ownership structures, and strategic alternatives for $25M-$500M+ businesses.
Advisor profile
$20M–$5B · Chicago, IL
Premier global boutique investment bank founded in 1935, specializing in $50M-$2B M&A transactions across healthcare, technology, industrial, and consumer sectors. Known for research-driven advisory, 73% repeat client rate, and $594+ billion in transactions since 2021.
Advisor profile
$10M–$23B · Chicago, IL
Global independent investment bank founded in 2006 by bulge bracket veterans, providing M&A and strategic advisory with 'Involvement Banking' philosophy—deep, persistent client engagement through exhaustive buyer outreach and institutional-quality process management.