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24 firms listed · 4 in Northbrook · 4 open weekends · 19 rated 4.5+
Data verified October 16, 2026
The 24 consulting firms listed for Northbrook, IL work with businesses on strategy, operations, growth and process. Everything shown about their service lines and the sectors they serve comes from their own websites; ratings come from public reviews.
4 of the 24 firms we list are based in Northbrook; the other 20 serve Northbrook from towns including Evanston (9 mi), Schaumburg (14 mi) and Chicago (22 mi). 21 of the firms on this page have a rating, from 4.0 to 5.0 across 307 reviews; 2 have 50 or more reviews and 19 are rated 4.5 or higher. 4 are open on Saturdays and 3 on Sundays. 1 has a BBB rating of A or A+. 18 have ten or more years of experience, the longest 33 years. 4 offer payment plans; 4 offer a free initial consultation and 1 is family- or locally-owned. 1 has Spanish-speaking staff. We have a website on file for all 24 of the firms on this page; 20 publish a contact page; 14 list a public email and 2 take bookings online. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
2 of the 24 firms take bookings through their sites. The first slot is usually a qualifying call: what your business does, what the problem is, whether they work on that kind of thing. Write the problem in one paragraph before you book and the call gets far more useful.
