Explore Prime Middle-Market Businesses for Sale in Suffolk County, NY

Discover top middle market businesses for sale in Suffolk County, New York on DealStream. Our curated listings feature profitable manufacturing firms, thriving retail shops, and established service providers across Long Island—from Brookhaven and Babylon to Huntington. Easily compare financials, explore turnkey opportunities, and connect directly with motivated sellers. Whether you’re an aspiring entrepreneur or seasoned investor, start your acquisition journey today and unlock the full potential of Suffolk County’s business landscape.

All Matching Deals

Electronics Business for Sale in TX
Suffolk County, NY

LISTING ID # 34400 A unique custom installation and systems integration company, that specializes in Audio/Video and Home Automation Systems, Home Theater Packages (including design, acoustics, seating, electronics, etc.), Phone Systems, Lighting Control Systems, HVAC Control, Surveillance Cameras,...

$5,000,000
Cash Flow: $2,850,560
Details
Niche Dealer Services in Suffolk County, NY
Suffolk County, NY

LISTING ID # 30221 This company services the auto dealer industry. It is a niche business that handles transportation and dealer logistics, saving car dealers a lot of money. The seller will stay on and train the new buyer for a smooth transition. This business is easy-to-run, and is an executive...

$12,000,000
Cash Flow: $3,500,000
Details
Suffolk County, NY

Long Island for sale . High Profit margins .selling New and Used Products . Lease is up and can negotiate long term lease to new buyer. High cash flow , Over $50k a year in just scrap money. Wholesale division as well. Service business recently added. This is a cash cow. 3 business in 1

$5,000,000
Cash Flow: $400,000
Details
Iconic Long Island Waterfront Restaurant with RE
Suffolk County, NY

Available for the first time in a generation, this is a rare opportunity to acquire a turnkey, high-performing business located in one of the most desirable waterfront destinations on Long Island. This well-established operation boasts over $4 million in historical annual sales, supported by an experienced...

$10,340,000
Cash Flow: $1,299,265
Details
Ambulette Service Business for Sale in NY
Suffolk County, NY

LISTING ID # 31592 Super profitable non-emergency ambulette company has been established for 12 years! They operate 20 like new vehicles and are as profitable as other similar companies that run double the size fleets. This low overhead, very classy company is a must see. There is tons of room to...

$14,500,000
Cash Flow: $750,000
Details
Profitable hardware & GPU acquistions/refurbisher
East Setauket, NY

Great addition to a tech portfolio - synergize with AI hardware demand! Are you looking to acquire a thriving tech business with solid relationships & visibility in the explosive AI hardware sector and proven profitability? Add our proven brands in GPU and computer hardware acquisitions, as well...

$10MM - $20MM
Cash Flow: $1MM - $1.5MM
Details

Tips for Buying A Middle-Market Business

Conduct Comprehensive Due Diligence

Before moving forward with a purchase, perform thorough due diligence. This involves a deep dive into the target company’s financial statements, operational processes, legal matters, and customer contracts. Don’t rely solely on the numbers; meet with key staff and even clients if possible to understand the business’s reputation and operational strengths. The middle market can harbor both great opportunities and hidden liabilities, so a careful investigation ensures you make an informed decision.

Assemble Your Acquisition Team

Building the right team will significantly increase your chances of success. Engage experienced professionals such as an M&A attorney, an accountant familiar with business acquisitions, and possibly an industry consultant. Each expert brings specific skills to review contracts, evaluate tax implications, and assess the company’s fit within its market. With professional guidance, you’ll be able to identify risks, negotiate better terms, and close the deal smoothly.

Plan for Post-Acquisition Integration

A critical step that is often overlooked is the transition plan for after the sale closes. Middle-market businesses often have established cultures, loyal employees, and ingrained workflows. Devise a clear integration plan covering everything from management transitions and staff communication to IT systems and vendor relationships. Effective integration can minimize disruptions, retain key talent, and set you up for long-term success in your new venture.