GISI Consulting Group is one company uniting some of the world’s top project management and engineering consulting firms to innovate and accelerate solutions on a global scale. Operating in 100 countries, we deliver a diverse portfolio of services for the world’s most important projects.
Clients gain access to the deep expertise of local businesses empowered by the resources of our worldwide network. We are employee-owned and personally invested in our clients’ success. It’s why we’re consistently ranked among the top global consultant service providers.
GISI Consulting Group is a proud member of the Global Infrastructure Solutions Inc. (GISI) family of companies.
GISI Consulting Group brings together a world of project management and engineering consulting expertise under one banner, empowering success through collaboration. Each unique business in our global consulting group brings a rich heritage and decades of proven success.
With collective capabilities and local insights, our consultants efficiently and reliably address today’s complex challenges — while paving the way for enduring solutions.
Discover our powerful team of top-tier project management and engineering consultants. With exceptional expertise in Infrastructure & Mobility, Earth & Water, and Government & Society, we deliver project success through our unrivaled collaboration.
We use necessary cookies to make this website work. For more information, review our Cookie Notice and Privacy Policy.
For more detailed control over site-specific cookies, check the privacy and cookie settings in your preferred browser. You can set most modern browsers to prevent any cookies being placed on your device, but then our website may not work properly. Please note that certain cookies are necessary to run our service and cannot be blocked using these settings. To enter our website, you must agree to our terms.
By clicking “Agree,” you agree to our Terms & Conditions of Use.