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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121Undisclosed50 - 249 employeesStamford, CTJMW Consultants is a Corporate Training & Coaching and Business Consulting company in Stamford, Connecticut. Their services include Corporate Training & Coaching and Business Consulting.Read More
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122Undisclosed2 - 9 employeesNorwalk, CTBusiness Consulting company WINSTON STRATEGIC PARTNERS, LLC is based in Norwalk, Connecticut. They specialize in Business Consulting.Read More
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123Undisclosed10 - 49 employeesWest Hartford, CTBusiness Consulting company The Clarion Group, Ltd. Is in West Hartford, Connecticut. They specialize in Business Consulting.Read More
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124Undisclosed2 - 9 employeesGreenwich, CTFounded in 2017, The TriFocal Advisor, a small Business Consulting company, is headquartered in Greenwich, Connecticut. Their services include Business Consulting.Read More
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125Undisclosed50 - 249 employeesShelton, CTSila Solutions Group is a Shelton, Connecticut-based Business Consulting company. Their services include Business Consulting and IT strategy consulting.Read More
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126Undisclosed2 - 9 employeesWest Hartford, CTGitlinCampisePrendergast, LLC is an Accounting company. Their small team is in West Hartford, Connecticut. Their team offers Accounting and Business Consulting.Read More
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127Undisclosed2 - 9 employeesGlastonbury, CTFirst Experience Communication is a Business Consulting company launched in 1983. Their services include Business Consulting and Marketing Strategy.Read More
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128Undisclosed2 - 9 employeesWaterbury, CTHeadquartered in Waterbury, Connecticut, Rekaby and Associates is an Accounting company. Established in 1995, the team specializes in Accounting and Business Consulting.Read More
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129Undisclosed2 - 9 employeesWest Hartford, CTSmall Accounting company Russell & Company CPAs PC, is headquartered in West Hartford, Connecticut. The team focuses on Accounting and Business Consulting.Read More
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130Undisclosed2 - 9 employeesWaterbury, CTEstablished in 1922, Charles Heaven & Co. Is an Accounting company. The team offers Accounting and Business Consulting.Read More
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131Undisclosed2 - 9 employeesNew Haven, CTCorporate Training & Coaching company Arrowhead Leadership Consulting LLC is located in New Haven, Connecticut. Their services include Corporate Training & Coaching and Business Consulting.Read More
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132Undisclosed2 - 9 employeesMilford, CTMilford CT Marketing, a SEO services firm, was launched in 2015. Headquartered in Milford, Connecticut, the team specializes in Search Engine Optimization and Web Design.Read More
Industries
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133Undisclosed2 - 9 employeesHartford, CTEmanus, LLC is a graphic design company. Based in Hartford, Connecticut, the firm provides Graphic Design and Intellectual Property Law.Read More
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134Undisclosed10 - 49 employeesCromwell, CTBusiness Consulting company EM Solutions Inc. Is based in Houston, Texas and Cromwell, Connecticut. Established in 2018, the team offers Business Consulting.Read More
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135Undisclosed2 - 9 employeesStratford, CTSmall Accounting company Barnum Tax, is located in Stratford, Connecticut. Their services include Accounting and Business Consulting.Read More
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136Undisclosed2 - 9 employeesNaugatuck, CTAuditory Insight, a Business Consulting company, was founded in 2017. The agency provides Business Consulting and Marketing Strategy.Read More
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137Undisclosed2 - 9 employeesNew Haven, CTEstablished in 2002, The Modern Observer Group is a Business Consulting company. Located in New Haven, Connecticut, the team provides Business Consulting and Corporate Training & Coaching.Read More
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138$1,000+2 - 9 employeesSouthbury, CTEmil Vicale is a Digital Strategy company established in 1990. The firm focuses on Digital Strategy and Web Development, and is small.Read More
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139Undisclosed2 - 9 employeesHartford, CTSmall Accounting company Sunrise Accounting & Taxation Services, LLC, is based in Hartford, Connecticut. Their services include Accounting and Business Consulting.Read More
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140Undisclosed2 - 9 employeesNorwalk, CTFounded in 2013, Isaac J. Zimmerman, CPA is an Accounting company. The small team focuses on Accounting and Commercial Development.Read More
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141Undisclosed2 - 9 employeesWaterbury, CTBlue Cube IT, LLC is a custom software development firm. They were founded in 2010, and their services include Custom Software Development and Web Development.Read More
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142Undisclosed2 - 9 employeesStamford, CTRich Gee Group is a small Corporate Training & Coaching and Business Consulting company located in Stamford, Connecticut. The team focuses on Corporate Training & Coaching and Business Consulting.Read More
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143Undisclosed2 - 9 employeesStamford, CTSmall Commercial Development and Business Consulting company New Revenue Consulting, is based in Stamford, Connecticut. The team offers Commercial Development and Business Consulting.Read More
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144Undisclosed2 - 9 employeesStamford, CTAdvertising and Business Consulting company Johnsen, Fretty & Company provides Advertising and Business Consulting. They were launched in 1993.Read More
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145Undisclosed2 - 9 employeesStamford, CTIntelex is an Accounting and Business Consulting company. They are located in Stamford, Connecticut and have small team. They provide Accounting and Business Consulting.Read More
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146Undisclosed2 - 9 employeesStamford, CTN-Touch Strategies, a small Business Consulting company, is based in Stamford, Connecticut. Their services include Business Consulting and Marketing Strategy.Read More
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147Undisclosed2 - 9 employeesHamden, CTNPV Associates is a Hamden, Connecticut-based Business Valuation Services company. The team focuses on Business Valuation Services and Corporate Training & Coaching.Read More
Industries
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148Undisclosed2 - 9 employeesNorwich, CTBusiness Consulting and Corporate Training & Coaching company G-Tact was launched in 2018. The small team specializes in Business Consulting and Corporate Training & Coaching.Read More
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149UndisclosedFreelancer employeesWest Hartford, CTDP Forand is a small Business Consulting company located in West Hartford, Connecticut. Their services include Business Consulting and Corporate Training & Coaching.Read More
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150$1,000+50 - 249 employeesHartford, CTMidsize Accounting company Whittlesey, is headquartered in Hartford, Connecticut. The team focuses on Accounting and Business Consulting.Read More
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