Top 100 IT Services Companies in St. Catharines
The Best of June 2026Looking for a top IT services company in St. Catharines?
For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants in St. Catharines. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best St. Catharines IT Companies
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1$1,000+50 - 249 employeesThorold, CanadaLaunched in 1987, Computan is a CRM consulting and SI company. The agency focuses on CRM consulting and SI, E-Commerce Development, and Web Development and has a midsize team. The agency is located in Thorold, Canada and Irving, Texas.Read More
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Palmer Ad AgencyIndustries
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2Undisclosed2 - 9 employeesSt. Catharines, CanadaArmor Coded Cybersecurity is a Cybersecurity company in St. Catharines, Canada. They offer Cybersecurity and IT managed services.Read More
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3Undisclosed2 - 9 employeesNiagara Falls, CanadaEstablished in 2010, CSB Security Inc is a big data company. The agency offers BI & big data consulting & SI and Cybersecurity.Read More
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4$1,000+10 - 49 employeesNiagara Falls, CanadaSAPRATIGS LLP is a web design company. They provide Web Design and Custom Software Development and were established in 2017.Read More
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5$10,000+50 - 249 employeesOakville, CanadaIn Saint Helier, Jersey; St Peter Port, Guernsey; Coventry , United Kingdom and Leicester , United Kingdom, Calligo is a cloud consulting & SI company. They offer cloud consulting & SI, Artificial Intelligence, and BI & big data consulting & SI and were established in 2010.Read More
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MicrosoftIndustries
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6$25,000+1,000 - 9,999 employeesToronto, CanadaCloud consulting & SI company Adastra was launched in 2000. They are in Toronto, Canada; Prague, Czech Republic; Frankfurt am Main, Germany and Sofia, Bulgaria and have a large team. Their services include cloud consulting & SI, BI & big data consulting & SI, IT strategy consulting, Artificial Intelligence, and more.Read More
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AstraZeneca Audi Avast ContinentalIndustries
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7$5,000+250 - 999 employeesBuffalo, NYNet at Work LLC is an IT managed services company. Their midsize team is based in New York, New York; Hialeah, Florida; Totowa, New Jersey and North Attleborough, Massachusetts. The company offers IT managed services and Cybersecurity.Read More
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8$10,000+1,000 - 9,999 employeesToronto, CanadaImproving, an AI development company, was established in 2006. They are in Plano, Texas; Houston, Texas; Minneapolis, Minnesota and Calgary, Canada and have a large team. Improving provides Artificial Intelligence, IT strategy consulting, IT staff augmentation, Custom Software Development, and more.Read More
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9$25,000+50 - 249 employeesOakville, CanadaCustom software development firm BrainyYack is in Oakville, Canada. Founded in 2006, the midsize team focuses on Custom Software Development, Web Development, IT strategy consulting, BI & big data consulting & SI, and more.Read More
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Deloitte AutoDesk UpChain PismoIndustries
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10$10,000+50 - 249 employeesToronto, CanadaRead More
Located in Toronto, Canada; San Francisco, California and Calgary, Canada, Packetlabs Ltd. Is a Cybersecurity and Application Testing company. The company provides Cybersecurity and Application Testing and is midsize.The company was launched in 2011.
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ECEBCIndustries
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11$5,000+10 - 49 employeesToronto, CanadaVumetric is a Cybersecurity company. Their small team is headquartered in Toronto, Canada and New York, New York. Their services include Cybersecurity and Application Testing. The agency was launched in 2007.Read More
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12$25,000+1,000 - 9,999 employeesToronto, CanadaRead More
Keyrus is a digital consulting agency that has been offering BI and Big Data consulting, IT strategy consulting, Cloud consulting, and SI services to their clients in the retail, business services, and financial services industries since 1996. Their 10,000 employees are based out of their offices in London, NYC, LA, D.C., France, and Toronto.
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DannonIndustries
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13$10,000+250 - 999 employeesToronto, CanadaRead More
Midsize IT staff augmentation company Modis (Canada), is headquartered in Toronto, Canada. Established in 1998, the team specializes in IT staff augmentation, IT strategy consulting, cloud consulting & SI, cybersecurity, and more.
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14$50,000+50 - 249 employeesToronto, CanadaRead More
Custom software development company Spiria was launched in 2003. The agency specializes in Custom Software Development, Enterprise App Modernization, UX/UI Design, IT strategy consulting, and more and has a midsize team. The agency is headquartered in Montréal, Canada; Gatineau, Canada and Toronto, Canada.
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Autodesk Northern Cables Nortac Defence Searidge TechnologiesIndustries
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15$50,000+50 - 249 employeesToronto, CanadaMidsize IT managed services company Zazz, is in Toronto, Canada; Dubai, United Arab Emirates and Los Angeles, California. They focus on IT managed services, Cybersecurity, and IT staff augmentation and were launched in 2015.Read More
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IncloseIndustries
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16$25,000+50 - 249 employeesToronto, CanadaRead More
Architech is an Enterprise App Modernization company founded in 2004. The midsize team provides Enterprise App Modernization, Generative AI, Artificial Intelligence, cloud consulting & SI, and more. The firm is headquartered in Toronto, Canada.
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Rogers Telecommunications TELUS Telecommunications Jacob & Co Goodlife FitnessIndustries
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17$10,000+10 - 49 employeesToronto, CanadaRead More
Ample Insight is a BI & Big Data Consulting firm based in Brampton, Canada. Founded in 2018, their team of 8 serves clients in the IT, e-commerce, and consumer products sectors. They also specialize in artificial intelligence.
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Unilever Ocado Group Communitech DoveIndustries
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18$25,000+50 - 249 employeesToronto, CanadaRead More
Dedicatted is a IT strategy consulting company. Founded in 2015, the team focuses on IT strategy consulting, cloud consulting & SI, cybersecurity, IT managed services, and more. Their small company is Tallinn, Estonia-based.
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19$10,000+50 - 249 employeesOakville, CanadaRead More
Geoviz is a midsize e-commerce development company headquartered in Oakville, Canada. The team specializes in e-commerce development, CRM consulting and SI, ERP consulting and SI, web development, and more.
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20$50,000+50 - 249 employeesToronto, CanadaRead More
Founded in 2002, TWG is a software development company headquartered in Toronto, Ontario, with a satellite office in New York City. With a team of around 140 employees, TWG provides web development, custom software development, and mobile app development services.
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Bell MediaIndustries
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21$10,000+250 - 999 employeesToronto, CanadaAppnovation, a Digital Strategy company, is in Vancouver, Canada and New York, New York. They focus on Digital Strategy and IT strategy consulting and were founded in 2007.Read More
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PfizerIndustries
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22$5,000+50 - 249 employeesToronto, CanadaNucleus Networks, an IT managed services company, was founded in 2001. The midsize Vancouver, Canada-based team offers IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI.Read More
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23$50,000+250 - 999 employeesMississauga, CanadaRay Business Technologies, a business intelligence company, was founded in 2009. The midsize Plano, Texas-based team provides BI & big data consulting & SI, cloud consulting & SI, CRM consulting and SI, ECM consulting and SI, and more.Read More
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24$5,000+50 - 249 employeesToronto, CanadaRead More
Starport Managed Services is an IT managed services company. Launched in 2006, the midsize agency is based in Toronto, Canada; Summerside, Canada and Charlottetown, Canada. Their services include IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI.
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25$75,000+1,000 - 9,999 employeesToronto, CanadaNashTech is a large software development company. The London, England-based company was established in 2000. Their services include Custom Software Development, cloud consulting & SI, Generative AI, Digital Engineering, and more.Read More
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26$5,000+50 - 249 employeesHamilton, CanadaAglowid IT Solutions Inc., an e-commerce development company, was founded in 2018. The company provides E-Commerce Development, Web Development, Mobile App Development, IT strategy consulting, and more and has a midsize team.Read More
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RotaroIndustries
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27$25,000+1,000 - 9,999 employeesToronto, CanadaRead More
ELEKS is a custom software development firm established in 1991. Their large team is in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.
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BNY Mellon DPD Acino DRAXIndustries
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28$10,000+50 - 249 employeesToronto, CanadaEstablished in 2003, Denologix is a cloud consulting & SI company. The midsize Toronto, Canada-based team focuses on cloud consulting & SI, AI Consulting, and BI & big data consulting & SI.Read More
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ADPIndustries
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29Undisclosed1,000 - 9,999 employeesToronto, CanadaRead More
Headquartered in New York, New York; Paris, France; Toronto, Canada and London, United Kingdom, Customertimes Corp is a CRM consulting and SI company. They focus on CRM consulting and SI, custom software development, other application development, IT managed services, and more and were founded in 2007.
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30$25,000+10,000+ employeesToronto, CanadaPersistent Systems is a data analytics company. Established in 1990, the large agency is headquartered in Pune, India; Santa Clara, California; Paris, France and Lyne, England. Their services include BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.Read More
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