# Best Business Intelligence (BI) Consulting Providers in Chicago, IL *By [Bijou Barry](https://research.g2.com/insights/author/bijou-barry)* Business intelligence (BI) consultants analyze business intelligence, or actionable insights from internal company data, to help businesses improve efficiency and make better decisions. BI consultants seek to understand a business and its goals, interpret data, and offer advice to ensure goals are met. Consultants also work to improve the BI process by designing or redesigning data analysis protocol and carefully selecting [business intelligence software](https://www.g2.com/categories/business-intelligence). BI consultants frequently have industry-specific knowledge alongside their technical backgrounds, with experience in healthcare, business, and other fields. BI consulting firms often provide other consulting solutions, such as [implementation services](https://www.g2.com/categories/implementation-services) and [IT strategy consulting](https://www.g2.com/categories/it-strategy-consulting). Businesses interested in redesigning how they collect, interpret, and make decisions with data may consider partnering with a BI consulting firm. ## G2 Grid® for Business Intelligence (BI) Consulting Providers ![G2 Grid® for Business Intelligence (BI) Consulting Providers plotting products by satisfaction and market presence](https://www.g2.com/categories/business-intelligence-bi-consulting/grids.png?focus%5B%5D=160439&focus%5B%5D=68256&focus%5B%5D=1123&focus%5B%5D=1332231&focus%5B%5D=23031&focus%5B%5D=120629&focus%5B%5D=1281191&focus%5B%5D=40452) Highlighted products: Vidi Corp, Kai Analytics, Cognizant, Omtera, Algoworks, Collectiv, BigData Boutique, and iOLAP. Underlying data: [Grid® JSON](https://www.g2.com/categories/business-intelligence-bi-consulting/grids.json?focus%5B%5D=vidi-corp&focus%5B%5D=kai-analytics&focus%5B%5D=cognizant&focus%5B%5D=omtera&focus%5B%5D=algoworks&focus%5B%5D=collectiv&focus%5B%5D=bigdata-boutique&focus%5B%5D=iolap) ## How Many Business Intelligence (BI) Consulting Providers Products Does G2 Track? **Total Products under this Category:** 570 ### Category Stats (Jul 2026) - **Average Rating**: 4.5/5 The average rating of products in this category, based on all submitted ratings - **Top Trending Product**: Expleo (+2.02%) - Among all products in this category, Expleo recorded the largest rating increase compared to last month *Last updated: July 21, 2026* ## How Does G2 Rank Business Intelligence (BI) Consulting Providers Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 1,200+ Authentic Reviews - 570+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. --- **Sponsored** ### Guardian Alert Enterprise Guardian is a leading Physical Identity and Access Management (PIAM), Visitor Management, and Identity & Access Management (IAM) platform that unifies physical security, identity governance, and physical access control systems (PACS) into a single, automated solution. Guardian provides a single pane of glass to manage access for employees, contractors, and visitors, helping organizations reduce manual effort, automate workflows, improve compliance, and gain real-time visibility across facilities. 🔐 Physical Identity & Access Management (PIAM) Guardian transforms systems like LenelS2, C•CURE, Honeywell and Genetec into an identity-driven platform with lifecycle automation and governance. By integrating with HR systems (Workday, SAP, Oracle) and IT identity platforms, Guardian enables: Automated provisioning and deprovisioning Real-time access visibility User access reviews (UAR) and compliance reporting (NERC, SOC 2, HIPAA) This replaces fragmented processes with centralized, policy-based access control. 🏢 Enterprise Visitor Management Guardian delivers enterprise-grade visitor management beyond tools like Envoy, connecting visitor workflows directly to PACS and identity systems. Pre-registration, check-in, and badge printing Integration with turnstiles and access systems Real-time visibility into site activity This ensures secure, consistent visitor experiences across locations. 🧠 IAM with Cyber-Physical Convergence Guardian extends IAM solutions like Saviynt, SailPoint and Okta by bridging digital identity and physical access. Identity lifecycle automation (joiner, mover, leaver) Role-based access control (RBAC) Access certifications and audit reporting Organizations gain full control over who has access to what, across IT and physical environments. 🚀 Why Organizations Choose Guardian Guardian combines: End-to-end access automation HR–IT–PACS integration Enterprise visitor management Faster provisioning and reduced manual effort Improved compliance and audit readiness Mobile credentials and AI-driven insights Customers highlight ease of use, scalability, strong integrations, and responsive support. 🏭 Built for Enterprise & Regulated Environments Ideal for: Healthcare, energy, and utilities (NERC) Global enterprises with multiple PACS Financial services, manufacturing, and education Technology, Data Centers, Telecommunication Pharmaceuticals, Life Sciences, Biotech 📈 Key Outcomes Automated access processes Faster onboarding and provisioning Reduced risk (e.g., eliminating orphaned access) Enterprise-wide visibility Improved user experience 🌐 Flexible Deployment & Global Support Deploy Guardian your way—SaaS (US/EU), AWS, Azure, GCP, ServiceNow, or on-premise. Backed by a global services team and 24/7, 365 support with SLA, Guardian ensures success from implementation through operations. [Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list&secure%5Bcategory_id%5D=763&secure%5Bchosen_at%5D=2026-07-21T13%3A09%3A58Z&secure%5Bdisplayable_resource_id%5D=358&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=retargeted_product&secure%5Bplacement_resource_ids%5D%5B%5D=21372&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=21372&secure%5Bresource_id%5D=763&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fbusiness-intelligence-bi-consulting%2Flocations%2Fchicago-il-us&secure%5Btoken%5D=472aa76c2900ff3a06dc5a68353c6a805420235ae263bfb0d954e258011ca9a3&secure%5Burl%5D=https%3A%2F%2Falertenterprise.com%2Fcontact%2F&secure%5Burl_type%5D=book_demo) --- ## What Are the Top-Rated Business Intelligence (BI) Consulting Providers Products in 2026? ### 1. [Nerdery](https://www.g2.com/products/the-nerdery-nerdery/reviews) We break boundaries through the fusion of design, experience, engineering, and analytics— harnessing the full potential of your data, crafting exceptional digital experiences, and tapping into cutting-edge technology that will define the future of your business. With agile, collaborative teams and unrivaled expertise, we remove barriers to create quick and impactful outcomes. Gain fresh viewpoints from our innovators and pioneers to make you more valuable, efficient, and competitive in the digital era. Together, let's redefine and accelerate your digital journey. **Average Rating:** 4.8/5.0 **Total Reviews:** 2 **Who Is the Company Behind Nerdery?** - **Seller:** [The Nerdery](https://www.g2.com/sellers/the-nerdery) - **Year Founded:** 2003 - **HQ Location:** Minneapolis, Minnesota, United States - **LinkedIn® Page:** https://www.linkedin.com/company/nerdery/ (213 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 100% Enterprise #### What Are Nerdery's Pros and Cons? **Pros:** - Adaptability (1 reviews) - Commitment (1 reviews) - Data Analytics (1 reviews) - Flexibility (1 reviews) - Innovation (1 reviews) **Cons:** - Communication Issues (1 reviews) ### What Do G2 Reviewers Say About Nerdery? *AI-generated summary from verified user reviews* **Pros:** - Users value Nerdery for their **flexibility and proactive approach** , which enables easy adaptation to evolving challenges. - Users value Nerdery's **commitment to understanding challenges** , delivering invaluable insights and flexibility as true thought partners. - Users value Nerdery’s **insights and flexibility in data analytics** , enhancing their adaptability and strategic decision-making. - Users value Nerdery's **flexibility** , appreciating their proactive support and adaptability to evolving project needs. - Users value Nerdery’s **innovative approach** , seeing their team as insightful partners in adapting to evolving challenges. **Cons:** - Users find that the **communication issues** in Nerdery's onboarding process hinder quick initial impact and alignment. #### What Are Recent G2 Reviews of Nerdery? **"[A partner that understands and influences your broader strategy.](https://www.g2.com/survey_responses/nerdery-review-10509257)"** **Rating:** 5.0/5.0 stars *— Kevin B.* [Read full review](https://www.g2.com/survey_responses/nerdery-review-10509257) --- **"[The Nerdery-one of the best digital product consultancy firms](https://www.g2.com/survey_responses/nerdery-review-5302216)"** **Rating:** 4.5/5.0 stars *— Md. Sajjad H.* [Read full review](https://www.g2.com/survey_responses/nerdery-review-5302216) --- #### What Are G2 Users Discussing About Nerdery? - [What is The Nerdery used for?](https://www.g2.com/discussions/what-is-the-nerdery-used-for) - 1 comment ### 2. [Cornerstone Solutions](https://www.g2.com/products/cornerstone-solutions/reviews) Cornerstone Solutions provides services for successful construction and real estate firms since 1985. **Who Is the Company Behind Cornerstone Solutions?** - **Seller:** [Cornerstone Solutions](https://www.g2.com/sellers/cornerstone-solutions) - **HQ Location:** Chicago, IL - **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®) ### 3. [Dom and Tom](https://www.g2.com/products/dom-and-tom/reviews) We provide user experience and mobile app development for iOS, Android and Web. **Who Is the Company Behind Dom and Tom?** - **Seller:** [Dom and Tom](https://www.g2.com/sellers/dom-and-tom) - **Year Founded:** 2009 - **HQ Location:** New York, US - **Twitter:** @Dom_and_tom (880 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/dom-%26-tom/ (79 employees on LinkedIn®) ### 4. [Eight Bit Studios](https://www.g2.com/products/eight-bit-studios/reviews) We're a smart, rowdy, byte-sized group of pixel-slingers from the midwest, here to crush it for brands on their mobile and web initiatives. **Who Is the Company Behind Eight Bit Studios?** - **Seller:** [Eight Bit Studios](https://www.g2.com/sellers/eight-bit-studios) - **Year Founded:** 2008 - **HQ Location:** Chicago, US - **Twitter:** @eightbitstudios (841 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/eight-bit-studios/ (14 employees on LinkedIn®) ### 5. [Ethervision](https://www.g2.com/products/ethervision/reviews) Ethervision is a Native Mobile Application Development Boutique in Chicago. **Who Is the Company Behind Ethervision?** - **Seller:** [Ethervision](https://www.g2.com/sellers/ethervision) - **Year Founded:** 2008 - **HQ Location:** Chicago, US - **Twitter:** @ethervision (572 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/ethervision/ (5 employees on LinkedIn®) ### 6. [Proof Works](https://www.g2.com/products/proof-works/reviews) We build custom mobile apps within 4 weeks for a flat fee. Because we believe in earning the trust of our customers, all potential clients receive a full prototype of their app before starting a partnership. We obsess over building great products with a process focused on simplicity, speed, and affordability. When you’re ready to develop a mobile app for your business, come build “awesome" with us. **Who Is the Company Behind Proof Works?** - **Seller:** [Proof Works](https://www.g2.com/sellers/proof-works) - **HQ Location:** Chicago, IL - **Twitter:** @SnapMobileIO (333 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®) ### 7. [Zwiffer Inc](https://www.g2.com/products/zwiffer-inc/reviews) We provide high-quality design and development services at competitive prices. **Who Is the Company Behind Zwiffer Inc?** - **Seller:** [Zwiffer](https://www.g2.com/sellers/zwiffer) - **Year Founded:** 2010 - **HQ Location:** N/A - **Twitter:** @ZwifferApps (74 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/zwiffer-inc./ (2 employees on LinkedIn®) ## What Is Business Intelligence (BI) Consulting Providers? [Solution Consulting Providers](https://www.g2.com/categories/solution-consulting) ## What Software Categories Are Similar to Business Intelligence (BI) Consulting Providers? - [Digital Transformation Consulting Providers](https://www.g2.com/categories/digital-transformation-consulting) - [Microsoft Consulting Services](https://www.g2.com/categories/microsoft-consulting-services) - [Databricks Consulting Services Provider](https://www.g2.com/categories/databricks-consulting-services)