Top 100 Business Consulting Companies in Ontario
The Best of December 2025Looking for a top consulting firm in Ontario?
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 Ontario. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Ontario Business Consulting Firms
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121Undisclosed250 - 999 employeesGuelph, CanadaMarketing Strategy company Shift Paradigm is headquartered in Austin, Texas and Scottsdale, Arizona. They provide Marketing Strategy and cloud consulting & SI and were founded in 2010.Read More
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122Undisclosed2 - 9 employeesHamilton, CanadaProfessional Cannabis Consulting is a Business Consulting company. They are located in Hamilton, Canada and have small team. Their team specializes in Business Consulting and Branding.Read More
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123Undisclosed2 - 9 employeesOakville, CanadaRead More
Paul Gupta and Associates is an accounting firm founded in Oakville, Canada with no more than 10 experts. They offer accounting and business consulting solutions to various clients.
Clients
Oncor Solutions Inc. -
124Undisclosed10 - 49 employeesToronto, CanadaConversion Optimization company GrowthGenius was founded in 2016. The firm focuses on Conversion Optimization and Email Marketing.Read More
Industries
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125$250,000+10 - 49 employeesGuelph, CanadaINAC Services Limited is a small Commercial Financing company founded in 1987. Their services include Commercial Financing and Funding & Investment.Read More
Industries
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126$5,000+2 - 9 employeesToronto, CanadaBranding firm Maple Designs specializes in Branding and Web Design. They were launched in 2013.Read More
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127$1,000+2 - 9 employeesCambridge, CanadaUpSide Accounting, an Accounting company, was launched in 2012. The team focuses on Accounting and Business Consulting and is in Cambridge, Canada.Read More
Industries
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128$5,000+10 - 49 employeesMarkham, CanadaLaunched in 2018, OneHub Business Consulting is a Business Consulting company. The team specializes in Business Consulting and Marketing Strategy and is in Markham, Canada and Richmond, Canada.Read More
Industries
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129$1,000+10 - 49 employeesToronto, CanadaAD Hennick is a small Toronto, Canada-based Business Consulting company. The team specializes in Business Consulting and Funding & Investment.Read More
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130Undisclosed10 - 49 employeesToronto, CanadaFounded in 2015, Diversio EDU is a Corporate Training & Coaching company. The team offers Corporate Training & Coaching and HR Consulting.Read More
Industries
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131$1,000+2 - 9 employeesVaughan, CanadaPW Business Support Services is a Vaughan, Canada-based Email Marketing company. Their services include Email Marketing and Business Consulting.Read More
Industries
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132$10,000+10 - 49 employeesBurlington, CanadaFounded in 2013, ICRB Consulting is a small Market Research company. Their team provides Market Research and Business Consulting.Read More
Industries
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133Undisclosed50 - 249 employeesBurlington, CanadaLaunched in 1940, DURWARD JONES BARKWELL & COMPANY LLP is an Accounting company. The midsize team focuses on Accounting and Business Consulting.Read More
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134$1,000+2 - 9 employeesOakville, CanadaMartel Growth Partners is a Business Consulting company. The small team is in Oakville, Canada. Their services include Business Consulting, Finance & Accounting Outsourcing (FAO), AI Consulting, Digital Strategy, and more.Read More
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135$25,000+2 - 9 employeesNiagara Falls, CanadaIn Niagara Falls, Canada, & Good Company is a branding firm. Their services include Branding and Business Consulting.Read More
Clients
Nespresso -
136$1,000+2 - 9 employeesToronto, CanadaMendicant Group is a Business Consulting company launched in 2005. Headquartered in Toronto, Canada, the team specializes in Business Consulting and Environmental Consulting.Read More
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137$1,000+2 - 9 employeesToronto, CanadaBased in Toronto, Canada, Canadian Title Immigration and Visa Consulting Inc. Is an Immigration Law company. The team specializes in Immigration Law and Business Consulting.Read More
Industries
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138Undisclosed10 - 49 employeesToronto, CanadaFounded in 2017, Forthlane Canada is a Commercial Financing company. Their team specializes in Commercial Financing and Business Consulting.Read More
Industries
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139$10,000+50 - 249 employeesToronto, CanadaNewcomp Analytics is a Toronto, Canada-based big data analytics company. Their services include BI & big data consulting & SI and IT strategy consulting.Read More
Industries
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140Undisclosed10 - 49 employeesMississauga, CanadaIn Mississauga, Canada, Billah and Associates Inc. Is a small Accounting company. Their services include Accounting and Business Consulting.Read More
Industries
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141Undisclosed50 - 249 employeesToronto, CanadaValenta is a CRM consulting and SI company. They are in Toronto, Canada, and their services include CRM consulting and SI and ERP consulting and SI.Read More
Industries
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142$5,000+2 - 9 employeesCaledonia, CanadaEstablished in 2016, Novella Creative Co. Is a small Caledonia, Canada-based SEO agency. Their team provides Search Engine Optimization and Web Design.Read More
Industries
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143$1,000+2 - 9 employeesToronto, CanadaStructured Empathy, a Business Consulting company, was launched in 2017. The small team specializes in Business Consulting and CRM consulting and SI.Read More
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144$1,000+2 - 9 employeesToronto, CanadaFosterAlan, a small Business Consulting company, is located in Toronto, Canada. The team offers Business Consulting and HR Consulting.Read More
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145$1,000+2 - 9 employeesToronto, CanadaFinnection Inc. Is an Accounting company. Founded in 2013, the team focuses on Accounting and Business Consulting.Read More
Industries
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146Undisclosed2 - 9 employeesVaughan, CanadaCloudCPA is an Accounting company. They are located in Vaughan, Canada and have small team. Their services include Accounting and Business Consulting.Read More
Industries
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147Undisclosed10 - 49 employeesVaughan, CanadaEstablished in 2008, Safeline Group Of Companies is a Commercial Property Management company. The team specializes in Commercial Property Management and Business Consulting.Read More
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148$5,000+2 - 9 employeesWhitby, CanadaVisionz Inc is a Lighting Design company. They are located in Whitby, Canada and have small team. Their services include Lighting Design and Out of Home Design.Read More
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149$5,000+10 - 49 employeesMississauga, CanadaEstablished in 1998, DedON Layouts INC is an Architectural Design company. The team specializes in Architectural Design and Other Design.Read More
Industries
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150$25,000+10 - 49 employeesToronto, CanadaMindfield Consulting, a software development firm, was launched in 1999. The company offers Custom Software Development and Business Consulting, and is small.Read More
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