Best Investment Industry Companies in Illinois, United States
The 963 best Investment Industry companies in Illinois, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Middle River Power.
Ranked: Best Investment Industry companies in Illinois
| # | Company | Disclosed funding | Last round | Stage | Founder | Employees | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Sikich Technology-enabled professional services firm delivering accounting, advisory, and technology solutions | $250M | 25 mo ago | Late Stage | Thomas Bayer Partner & Owner | 1,110 1,110 → 2,531 (+128%) | — | — |
| 2 | Middle River Power Energy transition leader delivering clean, reliable, and cost-efficient power solutions | $250M | 31 mo ago | Funding Raised | Joe Greco Senior Vice President | 42 | — | — |
| 3 | Mesirow Capital advisory firm focused on multiple sectors | $107M | 154 mo ago | Acquired | Norman Mesirow Founder | 6 | — | — |
| 4 | NextCapital Fund of funds focused on multiple sectors | $85M | 65 mo ago | Acquired | — | 154 | 2 patents Personalized financial management platform for organizing and measuring user investment techniques | — |
| 5 | Hilco Provider of financial services on asset valuation, monetization, and advisory solutions | $80M | 86 mo ago | Acquired | Jeff Hecktman Founder & CEO | 480 480 → 625 (+30%) | — | 2 awards |
| 6 | Monroe Capital Private debt funds focused on debt financing | $60M | 63 mo ago | Acquired | Ted Koenig CEO | 223 | — | 1 internship |
| 7 | Marathon Capital M&A and corporate advisory focused on the renewable energy sector | $51M | 2 mo ago | Series C | Matt Shanahan Managing Director | 170 | — | 1 partnership |
| 8 | Performance Trust Capital Partners Financial advisory and investment banking services | $33M | 101 mo ago | Series B | Paul Limanni Managing Director | 350 350 → 431 (+23%) | — | — |
| 9 | Concord Financial Advisors Debt placement firm sourcing creative financing solutions with optimal terms | $25M | 18 mo ago | Funding Raised | Thomas Jones Founder & Managing Partner | — | — | — |
| 10 | SBB Research Group Investment management and research firm | $20M | 99 mo ago | Series B | Sam Barnett Founder & CEO | 40 | — | — |
| 11 | Saratoga Realty Investors Real estate services provider | $14M | 123 mo ago | Series B | Maxwell Hoshino Co-Founder & Managing Partner | — | — | — |
| 12 | Guggenheim Securities Strategic advisory firm focused on multiple sectors | $13M | 2 mo ago | Series B | Steve Lee Senior Managing Director | — | — | — |
| 13 | Sovereign Infrastructure Group Infrastructure fund and management firm | $10M | 85 mo ago | Deadpooled | Adam Hitchcock Co-Founder & Managing Partner | 9 | — | — |
| 14 | Metropolitan Capital Bank & Trust Universal bank providing comprehensive financial solutions for businesses and high-net-worth individuals | $8M | 107 mo ago | Series A | Jerry Frump Co-Founder & Executive Vice President | 95 | — | — |
| 15 | Cambridge Provider of investment research services | $6M | 29 mo ago | Early Stage | Eric Schwartz Founder and Executive Chairman of the Board | 1,185 | 29 patents High‑stiffness, low‑inertia optical mirrors and resonant scanner mechanisms for precision scanning systems. | 3 awards |
| 16 | Springbank Investment consulting firm | $6M | 101 mo ago | Deadpooled | David M Trandel CEO | — | — | — |
| 17 | Bixby Research Provider of investment research & analytics services | $6M | 38 mo ago | Acquired | Brian Conroy Founder & CEO | 18 | — | — |
| 18 | Assetblue Investment Group Single-family office focused on healthcare and technology sectors | $5M | 6 mo ago | Series A | Mark Thierer Co-Founder & Managing Partner | — | — | — |
| 19 | MATTER Healthcare incubator, community nexus, and corporate innovation accelerator improving health and care | $5M | 56 mo ago | Series A | Dan Lyne Co-Founder | — | 35 patents Patents concentrated in electrical & electronics | 1 partnership · 1 award |
| 20 | Oak Residential Real estate fund focused on multiple strategies | $4M | 106 mo ago | Series A | Richard Wise Co-Founder | — | — | — |
| 21 | Evergreen Climate Innovations Venture capital fund focused on climate tech startups | $3M | 15 mo ago | Funding Raised | Amy Francetic Board Of Director & ex-Co-Founder | — | — | 1 partnership |
| 22 | mHUB Startup accelerator firm | $2M | 14 mo ago | Funding Raised | Eliza Dudley-Tarpley Diversity & Inclusion Founder in Residence | 22 | — | 2 awards |
| 23 | GreenPoint Partners Venture capital and infrastructure fund investing across multiple sectors | $2M | 156 mo ago | Series A | Chris Green Founder and CEO | — | — | — |
| 24 | Greenspire Capital Real estate focused investment management firm | $2M | 164 mo ago | Seed | John Dragic CEO & President | — | — | — |
| 25 | Prairie Capital Advisors Middle-market M&A, ESOP, and financial advisory firm nationwide | $1000K | 24 mo ago | Early Stage | Ashley Tisdale CEO | 266 | — | — |
| 26 | Triantan Ventures Real estate investment firm | $800K | 101 mo ago | Seed | Geoffrey Adaire Co-Founder & CEO | — | — | — |
| 27 | Sun Haven Partners Private equity investment firm | $600K | 22 mo ago | Seed | Conrado Oliveira Founder & Principal | — | — | — |
| 28 | The Inland Real Estate Group of Companies Provider of real estate management services | $301K | 8 mo ago | Early Stage | Tony Chereso CEO | 583 | — | — |
| 29 | Heartland Angels Angel Network for the US-based companies | $247K | 147 mo ago | Deadpooled | Ron Kirschner Founder | — | — | — |
| 30 | Next Realty Real estate investment firm specializing in acquiring and operating diverse property assets | $125K | 51 mo ago | Early Stage | Andrew Hochberg Founder & CEO | 35 | — | — |
| 31 | 5812 Group Real-estate focused investment management firm | $125K | 88 mo ago | Seed | Adam Walls Founder & CEO | — | — | — |
| 32 | Arch Venture Partners Early-stage venture capital firm focused on biotech, life sciences, and health tech | $100K | 213 mo ago | Funding Raised | Keith Crandell Co-Founder & Managing Director | 42 | — | — |
Top 12 Investment Industry companies in Illinois
#1
Series C · Chicago, Illinois · founded 1999 · 170 employees$51.3Mraised▾
M&A and corporate advisory focused on the renewable energy sector
- Mar 2026Series C$16.8M
- Jun 2024Series C$20.8M
- Jul 2022Series C$30.5M
#2
Series B · Chicago, Illinois · founded 2010$13.2Mraised▾
Strategic advisory firm focused on multiple sectors
- Apr 2026Series B$13.2M
#3
Series A · Chicago, Illinois · founded 2016$4.9Mraised▾
Single-family office focused on healthcare and technology sectors
- Dec 2025Series A$4.9M
#4
Late Stage · Naperville, Illinois · founded 1982 · 1110 employees$250Mraised▾
Technology-enabled professional services firm delivering accounting, advisory, and technology solutions. The company offers a diverse portfolio of services including audit and assurance, tax, business succession planning, cloud services, consulting, CRM and ERP products and services, cybersecurity, data and AI, forensic and valuation, governance, risk and compliance, human capital management and payroll, insurance, internal audit, investment banking, lender services, IT and managed services, marketing and communications, outsourced accounting, regulatory, quality and compliance, risk management, site selection and incentives, spend management, transaction advisory, wealth management, and workforce risk management. It serves various industries such as construction and real estate, dealer management, discrete manufacturing, federal government, financial services, government contractors, industrial equipment manufacturing, life sciences, manufacturing and distribution, not-for-profit, professional services, rolled products manufacturing, and state and local government. The firm provides transformative digital strategies to help clients improve performance and achieve long-term strateg
- May 2024PE$250M
#5
Funding Raised · Chicago, Illinois · founded 2001$25Mraised▾
Debt placement firm sourcing creative financing solutions with optimal terms. They specialize in securing the most advantageous financing structures for clients across various industries. With expertise in debt advisory, they manage the entire transaction process, offering market feedback and screening potential lenders. Their services cater to middle-market businesses, equity sponsors, and borrowers, providing tailored cash flow financing solutions. They focus on building strong relationships with lenders to deliver unparalleled results, saving clients time and money. They offer a one-stop approach to meeting unique financial needs, ensuring clients receive the best possible financing options.
- Nov 2024Conventional Debt$25M
#6
Funding Raised · Chicago, Illinois · founded 2016 · 42 employees$250Mraised▾
Energy transition leader delivering clean, reliable, and cost-efficient power solutions. The company specializes in accelerating the energy transition by identifying, optimizing, and developing critical assets. With a focus on repositioning existing resources with co-located and hybrid renewable development projects, they deliver cleaner, more reliable energy to customers and communities. Their competitive advantage stems from experienced leadership, capable talent, and strong partnerships, fostering innovative solutions. They enable the transition to renewable power at existing generation facilities, maintaining the flexible characteristics of legacy assets. The company combines new resources with under-utilized assets, delivering cost-efficient resources faster than standalone development. They deploy Battery Energy Storage System (BESS) projects, creating renewable-thermal hybrid energy centers. The company leverages existing infrastructure for faster and more cost-effective renewable resource integration, resulting in immediate greenhouse gas reduction. They maintain strong relationships with industry contractors and consultants to guarantee safe, reliable, and efficient operat
- Nov 2023Conventional Debt$250M
#7
Funding Raised · Chicago, Illinois · founded 2010$3.3Mraised▾
Venture capital fund focused on climate tech startups
- Mar 2025Grant (prize money)$913.2K
- Sep 2011Grant (prize money)$630K
- Sep 2010Grant (prize money)$1.8M
#8
Funding Raised · Chicago, Illinois · founded 2016 · 22 employees$2.3Mraised▾
Startup accelerator firm. The offering includes mentorship, access to co-working space, networking opportunities, business consulting, technical training, and access to equipment.
- Apr 2025Grant (prize money)$2.3M
#9
Early Stage · Oak Brook, Illinois · founded 1967 · 583 employees$300.9Kraised▾
Provider of real estate management services
- Oct 2025Unattributed$265.6K
- Nov 2011Grant (prize money)$35.3K
#10
Acquired · Chicago, Illinois · founded 1997 · 154 employees$85Mraised▾
Fund of funds focused on multiple sectors
- Dec 2020Series D$30M
- Dec 2017Series C$30M
- Jan 2016Series B$16.1M
- Aug 2014Series A$6M
#11
Early Stage · Fairfield, Illinois · founded 1981 · 1185 employees$6.3Mraised▾
Provider of investment research services
- Dec 2023Unattributed$6.3M
#12
Acquired · Chicago, Illinois · founded 2004 · 223 employees$60Mraised▾
Private debt funds focused on debt financing
- Mar 2021PE—
- Conventional Debt$60M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Investment Industry coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.