Top 100 Business Consulting Companies in Connecticut
The Best of December 2025Looking for a top consulting firm in Connecticut?
Consulting firms provide in-depth knowledge and understanding in relation to the client’s industry, technology, and processes. Having this kind of business partner empowers companies to make the best decisions for the business. They provide technical and corporate assistance, helping you resolve your challenges regardless of the industry you’re in.
Consulting firms provide a wide range of services, from creating business strategies to solidifying operational processes. Take your company to the next level by partnering with a firm today. Their knowledge and expertise are valuable assets for every business.
To assist you in your search for a partner, we’ve compiled this list of the top consulting companies in Connecticut. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Connecticut Business Consulting Firms
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1$25,000+10 - 49 employeesCheshire, CTCorporate Training & Coaching company IMPACT is located in Cheshire, Connecticut. The small agency was established in 2009. Their team specializes in Corporate Training & Coaching, Marketing Strategy, Video Marketing, AI Consulting, and more.Read More
Industries
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2$10,000+2 - 9 employeesNorwalk, CTAustin Lawrence Group is an Advertising company. Launched in 1981, the small company is headquartered in Norwalk, Connecticut. Their team offers Advertising, Social Media Marketing, Marketing Strategy, Content Marketing, and more.Read More
Industries
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3$1,000+50 - 249 employeesGreenwich, CTMidsize Finance & Accounting Outsourcing (FAO) company Expertise Accelerated, is located in Greenwich, Connecticut. Their services include Finance & Accounting Outsourcing (FAO) and Accounting.Read More
Clients
CPG -Trade Spend ManagementIndustries
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4Undisclosed2 - 9 employeesNorwalk, CTSimone Morris Enterprises LLC is a Business Consulting and Corporate Training & Coaching company founded in 2015. The company specializes in Business Consulting and Corporate Training & Coaching.Read More
Industries
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5$1,000+2 - 9 employeesNorwalk, CTFounded in 1995, Strategy Leaders is a small Business Consulting company in Norwalk, Connecticut. Their team provides Business Consulting and Financial Consulting.Read More
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6$10,000+10 - 49 employeesNorwalk, CTEstablished in 1992, Glynch Consultant is a Business Consulting company. The firm focuses on Business Consulting, and is small.Read More
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7$10,000+10 - 49 employeesWestport, CTBusiness Consulting company Fidelman & Company was established in 2015. The firm specializes in Business Consulting and Commercial Financing.Read More
Industries
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8Undisclosed10 - 49 employeesGlastonbury, CTLeading Culture Solution, a Business Consulting and Corporate Training & Coaching company, was founded in 2019. The team offers Business Consulting and Corporate Training & Coaching.Read More
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9Undisclosed2 - 9 employeesManchester, CTHebert Engineering & Design Co. LLC is a Contract Manufacturing company established in 1988. Their team offers Contract Manufacturing and Product Design.Read More
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10Undisclosed10 - 49 employeesNew London, CTBusiness Consulting and Business Continuity Management company Inside Track was established in 2002. The firm specializes in Business Consulting and Business Continuity Management, and is small.Read More
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11Undisclosed50 - 249 employeesMilford, CTAquinas Consulting is a Milford, Connecticut-based IT strategy consulting company. Their services include IT strategy consulting and IT managed services.Read More
Industries
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12Undisclosed10 - 49 employeesHartford, CTUntapped Potential Inc. Is a Recruiting company. They are in Hartford, Connecticut and have small team of experts. Their services include Recruiting and Corporate Training & Coaching.Read More
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13Undisclosed10 - 49 employeesMilford, CTLocksmith & Key Store is a Business Consulting company. Established in 1979, the team specializes in Business Consulting and Back Office Outsourcing.Read More
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14$10,000+2 - 9 employeesStamford, CTGriffin Healthcare Advisors is a small Business Consulting company founded in 2020. Their services include Business Consulting and Cybersecurity.Read More
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15Undisclosed10 - 49 employeesMeriden, CTUNAPEN, Inc., an IT managed services company, was launched in 1991. The agency provides IT managed services and Custom Software Development, and is small.Read More
Industries
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16Undisclosed10 - 49 employeesGlastonbury, CTGreatBlue Research is a Market Research company. Their small team is located in Glastonbury, Connecticut. Their services include Market Research and Business Consulting.Read More
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17$50,000+2 - 9 employeesEast Haven, CTEconomic Development Alliance and Chamber for Jefferson County is a Commercial Development company. Established in 1994, the team focuses on Commercial Development and Commercial Brokerage Services.Read More
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18Undisclosed2 - 9 employeesDarien, CTHeadquartered in Darien, Connecticut, Elm Consulting is a small Business Consulting company. Their services include Business Consulting.Read More
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19Undisclosed2 - 9 employeesMilford, CTSmall Business Consulting company R J Reuter, is based in Milford, Connecticut. Their services include Business Consulting.Read More
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20Undisclosed2 - 9 employeesEssex, CTEstablished in 1987, CMS is a small Essex, Connecticut-based Business Consulting company. Their services include Business Consulting and Accounting.Read More
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21Undisclosed10 - 49 employeesSimsbury, CTThe Nolan Company is a small Simsbury, Connecticut-based Business Consulting company. The team specializes in Business Consulting.Read More
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22Undisclosed10 - 49 employeesHartford, CTCONNSTEP is a Business Consulting company. They are based in Hartford, Connecticut and have small team. They offer Business Consulting and Corporate Training & Coaching.Read More
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23Undisclosed10 - 49 employeesStamford, CTLaunched in 2010, Tyton Partners is a Business Consulting company. The team focuses on Business Consulting.Read More
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24Undisclosed10 - 49 employeesEssex, CTStrategies Publishing Group, Inc. Is an Essex, Connecticut-based Business Consulting company. The team provides Business Consulting and Financial Consulting.Read More
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25Undisclosed2 - 9 employeesNew Haven, CTCompass Strategic Consulting is a Business Consulting company. The New Haven, Connecticut-based agency was founded in 1994. Their team specializes in Business Consulting.Read More
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26Undisclosed2 - 9 employeesWestport, CTEdge Strategy Group is a Business Consulting company. Launched in 2015, the agency specializes in Business Consulting.Read More
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27Undisclosed2 - 9 employeesDarien, CTMichael Allen Company, a Business Consulting company, is headquartered in Darien, Connecticut. The team specializes in Business Consulting.Read More
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28Undisclosed50 - 249 employeesHartford, CTNEOS, LLC is a Business Consulting company. In Hartford, Connecticut, the firm was founded in 2000. Their team focuses on Business Consulting.Read More
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29Undisclosed50 - 249 employeesHamden, CTSimione Healthcare Consultants, LLC is a Business Consulting company. They were launched in 1966 and provide Business Consulting.Read More
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30Undisclosed10 - 49 employeesEast Hartford, CTCTSBDC, a small Business Consulting company, is based in East Hartford, Connecticut. Their services include Business Consulting.Read More
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