Top Professional Services Companies in Ottawa (27)

A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in...

At Clarity Building Controls, we are more than just a service provider – we’re your dedicated partner in achieving success. With our comprehensive approach, we seamlessly integrate into your team, covering every aspect of your project to ensure a smooth and successful outcome.

KPMG is a global network of professional firms providing Audit, Tax and Advisory services. We have 273,000 outstanding professionals working together to deliver value in 143 countries and territories. With a worldwide presence, KPMG continues to build on our successes thanks to clear vision, defined values and, above all, our people. Our industry focus helps KPMG firms’ professionals develop a...

Oliver Wyman is a global leader in management consulting. With offices in more than 70 cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, operations, risk management, and organization transformation. The firm has more than 7,000 professionals around the world who work with clients to optimize their business, improve their operations and risk profile,...

Actalent connects passion with purpose. Our scalable talent solutions and services capabilities drive value and results and provide the expertise to help our customers achieve more. Every day, our experts around the globe are making an impact. We’re supporting critical initiatives in engineering and sciences that advance how companies serve the world. Actalent’s global footprint and flexible delivery models...

VHA Home HealthCare is a not-for-profit charitable organization that provides 24/7 home healthcare, nursing, and support services to seniors, families, and individuals with disabilities or chronic illnesses.

Launched in 2006, Amazon Web Services (AWS) began exposing key infrastructure services to businesses in the form of web services -- now widely known as cloud computing. The ultimate benefit of cloud computing, and AWS, is the ability to leverage a new business model and turn capital infrastructure expenses into variable costs. Businesses no longer need to plan and procure...

Profit Parrot is a results driven SEO agency based in Ottawa, Ontario, dedicated to helping local businesses thrive in the digital landscape. We specialize in crafting tailored SEO strategies that drive measurable results, including boosting search rankings, increasing organic traffic, and generating high-quality leads. Our services include comprehensive keyword research, on-page optimization, engaging content creation, and effective backlink building. At...

At Barracuda we strive to make the world a safer place. We believe every business deserves access to cloud-enabled, enterprise-grade security solutions that are easy to buy, deploy, and use. We protect email, networks, data, and applications with innovative solutions that grow and adapt with our customers’ journey. More than 150,000 organizations worldwide trust Barracuda to protect them – in...

Intouch Insight is a customer experience (CX) solutions provider that empowers multi-location businesses to achieve operational excellence through mystery shopping, operational audits, and proprietary tools including checklist and inspection software, surveys, and a CX platform. We are a 2026 Elite Member of the Mystery Shopping Providers Association (MSPA) and have been honored as one of the MSPA Americas Shoppers' Choice Winners...

NuEnergy.ai is an Artificial Intelligence and technology and professional services firm that partners with governments, banks, health care institutions, boards and business leaders in providing solutions that deliver principled AI and tech to their clients and for global society. We help all types of organizations navigate the challenging area of achieving trustworthy AI as this revolutionary technology matures.

Deloitte drives progress. Our firms around the world help clients become leaders wherever they choose to compete. Deloitte invests in outstanding people of diverse talents and backgrounds and empowers them to achieve more than they could elsewhere. Our work combines advice with action and integrity. We believe that when our clients and society are stronger, so are we. Deloitte refers...

At CSA Group, we excel in addressing emerging, complex issues and technologies. CSA Group is comprised of two organizations: Standards Development and Testing, Inspection, & Certification. Not-for-Profit Standards Development: The mission of CSA Group’s Standard Development organization is to enhance the lives of Canadians through the advancement of standards in the public and private sectors.  We are a leader in standards...

ViAbilityHR is an Ottawa-based outsourced HR firm supporting Ontario small businesses with day-to-day HR administration, payroll, benefits, and compliance. We specialize in integrated absence management, handling attendance, disability, WSIB, and accommodations, so business owners stay compliant, reduce risk, and don’t have to manage HR themselves.

Insight Global is an international staffing and services company specializing in sourcing IT, accounting, finance, healthcare, and engineering professionals and delivering service-based solutions to Fortune 1000 clients with more than 70 office locations throughout the U.S., Canada, and U.K. In addition to staffing services, Insight Global provides culture consulting, DEI training, specialized healthcare staffing and resources, and an array of...

We are a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world’s infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world.

Gowling WLG is an international law firm created by the combination of Gowlings, a leading Canadian law firm, and Wragge Lawrence Graham & Co (WLG), a leading UK-based international law firm. Gowling WLG clients get access to in-depth knowledge in key global sectors and a suite of legal services. With over 1,500 legal professionals worldwide and broad experience in countries around...

Granicus provides technology and services that empowers government organizations to create seamless digital experiences for the people they serve. By offering the industry’s leading cloud-based solutions for communications, content management, meeting and agenda management, and digital services to more than 5,500 public sector organizations, Granicus helps turn government missions into quantifiable realities.

Dillon is a proudly Canadian, employee-owned professional consulting firm specializing in planning, engineering, environmental science and management. We partner with clients to provide committed, collaborative and inventive solutions to complex, multi-faceted projects. It all starts with people – people who are passionate, driven and committed to finding new solutions, who question everything, explore possibilities and always do what is best. When...

At PwC our purpose is to build trust in society and solve important problems. We’re a network of firms in 155 countries with over 327,000 people who are committed to delivering quality in assurance, advisory and tax services. Find out more and tell us what matters to you by visiting us at www.pwc.com.