Illinois · Businesses for sale
131 Professional & Technical Services Businesses for Sale in Illinois
Professional & Technical Services businesses for sale in Illinois, aggregated from 300+ marketplaces and broker sites into one searchable feed. Search the whole Illinois market at once, with new deals added daily.
Complete market data
Professional & Technical Services in Illinois market snapshot
Benchmarks calculated across the complete active and pending inventory for this market—not just the listings displayed below.
Updated September 11, 2026
Typical asking range
25th–75th percentile across 110 disclosed asking prices.
Median annual revenue
Based on 106 listings with disclosed revenue.
Median annual earnings
Based on 83 listings with disclosed earnings.
Median asking / earnings
Based on 75 listings reporting both figures.
New listings
3 added in the last 7 days; 9 in 30 days.
Median time listed
Measured from the date Clef first observed each active listing.
Seller financing mentioned
20 listings explicitly mention seller financing.
Real estate mentioned
16 listings say real estate is included or separately available.
Financial benchmarks exclude missing and non-positive values. “Typical range” means the 25th–75th percentile. Earnings uses EBITDA, then SDE, then cash flow when available. Financing and real-estate figures count explicit listing mentions only.
Latest Professional & Technical Services businesses in Illinois
Premier Blinds & Draperies Business
Staffing and Recruiting Agency
Custom Wardrobe Systems Design Business
Environmental Drilling and Field Services Company
Internet Service Business
Accounting and Tax Practice
CPA Tax Practice
Individual Income Tax Practice
CPA Tax Practice
Traditional and Digital Advertising Agency
Turnkey Laboratory Space and Equipment Package
CPA Practice
Promotional Products & Branded Apparel Business
Tax Accounting Practice
Midwest Home Staging Company
CPA Practice
Tax and Accounting Practice
Shopify COD OTP Verification App
CPA Firm
Remodeling Company
Commercial Landscape Design and Construction Division
Boudoir Photography Studio
CPA Firm
Accounting Practice
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