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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91$1,000+2 - 9 employeesHartford, CTTomasetti Kulas & Company, P. C is an Accounting company. Launched in 1979, the firm focuses on Accounting and Business Consulting.Read More
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92$1,000+2 - 9 employeesHartford, CTAccounting company Bazzano & Rosenbloom is headquartered in Hartford, Connecticut. Established in 2000, the team offers Accounting and Business Consulting.Read More
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93Undisclosed2 - 9 employeesGroton, CTOne Consulting Company LLC, a Business Consulting company, was established in 2017. The team provides Business Consulting and Advertising and is based in Groton, Connecticut.Read More
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94Undisclosed10 - 49 employeesHartford, CTBranding agency Experience Design International was established in 2017. The small team provides Branding and Market Research.Read More
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95Undisclosed10 - 49 employeesStonington, CTCognitive Box Consulting LLC is a small Stonington, Connecticut-based Business Consulting company. The team offers Business Consulting and Digital Strategy.Read More
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96Undisclosed50 - 249 employeesGlastonbury, CTShoptech Software is a custom software development firm. They provide Custom Software Development and Application Management & Support and are headquartered in Glastonbury, Connecticut.Read More
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97Undisclosed50 - 249 employeesNewington, CTMidsize Accounting company Fulco, DiTommaso, McMahon & Co. P.C., is located in Newington, Connecticut. Their services include Accounting and Financial Advising & Planning.Read More
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98UndisclosedFreelancer employeesWestport, CTZeiberg Consulting, a Business Consulting company, was launched in 1999. The firm offers Business Consulting and Corporate Training & Coaching.Read More
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99Undisclosed1,000 - 9,999 employeesStamford, CTRizing is a cloud consulting & SI company. Located in Stamford, Connecticut, the company provides cloud consulting & SI and HR Consulting.Read More
Industries
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100$1,000+Freelancer employeesOrange, CTDJP Design LLC is a graphic design company. In Orange, Connecticut, their team focuses on Graphic Design and Logo.Read More
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101Undisclosed2 - 9 employeesFarmington, CTIntegrated Growth Advisors is a Marketing Strategy company. Launched in 2011, the team provides Marketing Strategy and Business Consulting. The firm is based in Farmington, Connecticut.Read More
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102Undisclosed2 - 9 employeesMeriden, CTProServ Software & Support LLC is a small web design company based in Meriden, Connecticut. Their services include Web Design and IT strategy consulting.Read More
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103Undisclosed10 - 49 employeesNew Haven, CTWorkforce Alliance is a small Recruiting company headquartered in New Haven, Connecticut. Their services include Recruiting and HR Consulting.Read More
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104Undisclosed10 - 49 employeesMiddletown, CTTri-Com Consulting Group is a Corporate Training & Coaching company. Located in Middletown, Connecticut, their team offers Corporate Training & Coaching and IT managed services.Read More
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105Undisclosed10 - 49 employeesPlymouth, CTATS Advisors, A CPA Firm is an Accounting company. Founded in 1997, the firm offers Accounting and Business Consulting.Read More
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106Undisclosed10 - 49 employeesWoodbridge, CTFounded in 1916, Bailey Moore Glazer Schaefer and Proto, LLP is an Accounting company. The team offers Accounting and Litigation Support Services.Read More
Industries
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107Undisclosed10 - 49 employeesDarien, CTPerpetual: is a Business Consulting company located in Darien, Connecticut and New York, New York. They focus on Business Consulting and Corporate Training & Coaching and were launched in 2013.Read More
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108Undisclosed10 - 49 employeesNew Canaan, CTSilver Ridge Advisors (SRA), a small branding firm, is headquartered in New Canaan, Connecticut. The team specializes in Branding and Market Research.Read More
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109UndisclosedFreelancer employeesStamford, CTBusiness Consulting company Albu Consulting is headquartered in Stamford, Connecticut. They offer Business Consulting and were established in 1994.Read More
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110UndisclosedFreelancer employeesNew Canaan, CTSequent Consulting is a small New Canaan, Connecticut-based Business Consulting company. Their services include Business Consulting.Read More
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111Undisclosed10 - 49 employeesStamford, CTEstablished in 1981, Berkow, Schechter & Company LLP is a Business Consulting company. Their team offers Business Consulting and Financial Consulting.Read More
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112Undisclosed10 - 49 employeesNewington, CTHeritage Consultants, LLC, a small Business Consulting company, is headquartered in Newington, Connecticut. Their services include Business Consulting.Read More
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113Undisclosed2 - 9 employeesEllington, CTNew England Lean Consulting, a small Business Consulting company, is based in Ellington, Connecticut. The team focuses on Business Consulting.Read More
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114Undisclosed10 - 49 employeesSimsbury, CTNortheast Family Business Consulting , a small Business Consulting company, is based in Simsbury, Connecticut. The team specializes in Business Consulting.Read More
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115Undisclosed10 - 49 employeesNew London, CTAIM Consulting Associates is a Business Consulting company. They are in New London, Connecticut and have small team. They provide Business Consulting.Read More
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116Undisclosed10 - 49 employeesFairfield, CTSmall Business Consulting company Grapevine Technology, is headquartered in Fairfield, Connecticut. Their services include Business Consulting.Read More
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117Undisclosed10 - 49 employeesWaterbury, CTThe Waterbury Regional Chamber is a small Business Consulting company headquartered in Waterbury, Connecticut. The team offers Business Consulting.Read More
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118UndisclosedFreelancer employeesAvon, CTTegan Blackburn is a small Business Consulting company in Avon, Connecticut. Their services include Business Consulting.Read More
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119Undisclosed2 - 9 employeesDanbury, CTFme US, LLC is a Danbury, Connecticut-based Business Consulting company. Established in 2010, the team offers Business Consulting.Read More
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120Undisclosed2 - 9 employeesDanbury, CTHeadquartered in Danbury, Connecticut, Alderman & Company is a Business Consulting company. The team focuses on Business Consulting.Read More
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