Law firms · Illinois

Law firms in Oak Brook, IL

102 lawyers in Oak Brook with phone numbers, 42 with email addresses. Search the list, unlock the ones you want and start calling today.

Get the Oak Brook list freeSee a sample
102
businesses
100%
have a phone number
41%
have an email address (42)
—
average Google rating
Sample

A sample of law firms in Oak Brook

Twelve of the 102 lawyers on the list. Phone numbers and emails unlock in the app — 1 credit per business, both together.

BusinessCategoryRatingWebsitePhoneEmail
emery lawMiscellaneous Store; Law Office—Yes(630) •••-••••Available
H&R BlockFinancial Service; Legal Service—Yes(630) •••-••••Available
Law Ofc Of Mary Davis2Law Office—Yes(630) •••-••••Available
Ekechukwu Ebere N & AssociatesLaw Office—Yes(630) •••-••••Available
Engler Callaway Baasten & SragaLaw Office—Yes(630) •••-••••Available
Borkuslaw LimitedLaw Office—Yes(630) •••-••••Available
Lillig & ThorsnessLaw Office—Yes(630) •••-••••Available
Donnelly Law LLCLaw Office—Yes(630) •••-••••Available
Lyman & NielsenLaw Office—Yes(630) •••-••••Available
Ryd Law Group PCLaw Office—Yes(630) •••-••••Available
Mertin Craig Chester & SonnensLaw Office—Yes(630) •••-••••Available
Hasan Law Offices, LtdLaw Office—Yes(630) •••-••••Available

Showing 12 of 102. Data refreshed October 2026.

The market

What Oak Brook's lawyers look like

0% of rated lawyers here hold 4.5★ or better — there is room for businesses that push for reviews.
0 carry a perfect 5.0★ rating; 102 have no rating yet — prime prospects for review and reputation services.
18 (18%) have no website listed — a ready-made list for web design and SEO offers.
28% link a Facebook or Instagram page from their listing.

Most common listings

  • Law Office83
  • Financial Service; Legal Service8
  • Legal Service3
  • Financial Service; Legal Service; Office2
  • Business Service; Financial Service; Legal Service2
  • Financial Service; Legal Service; Bank1

Area codes

  • (630)95
  • (312)3
  • (331)1
  • (855)1
  • (773)1
  • (847)1
Playbook

How to sell to lawyers in Oak Brook

Small and mid-sized law firms — personal injury, family, real estate, immigration, wills and estates — compete hard for local clients and spend on intake, marketing and practice management.

Who sells to lawyers

  • Legal marketing and SEO agencies
  • Intake, answering and chat services
  • Practice-management and billing software
  • Legal research and document automation
  • Bookkeeping and trust accounting

What keeps owners up at night

  • Capturing and qualifying new client inquiries quickly
  • Billing and collections
  • Administrative load on lawyers
  • Competition for high-value case types
When to reach themEarly morning or late afternoon, outside court hours. The office manager or managing partner is usually the buyer.
The angle that worksIntake speed. A firm that calls back in five minutes signs the client; one that calls back tomorrow doesn't.
Reaching out in the USB2B cold email is governed by CAN-SPAM: honest headers and subject lines, a physical address and an opt-out you honor. Phone outreach has its own rules, especially for cell phones. Read our CAN-SPAM guide and cold-calling rules before you start.
FAQ

Questions about Oak Brook lawyers leads

How many law firms in Oak Brook, IL are in the database?
102 law firms in Oak Brook, IL, as of October 2026. 102 of them have a phone number and 42 have an email address.
How much does it cost to get these leads?
Every account starts with 25 free credits. Unlocking a contact (phone and email together) costs 1 credit. The Starter plan is $39/month for 2,500 credits — about 1.6¢ a contact — so the whole Oak Brook list of 102 costs less than one month of Starter. See pricing.
Can I export the list to a dialer or CRM?
Yes. Unlocked contacts export to CSV, Excel or JSON with phone, email, website, address, category and rating, ready for any dialer or CRM.
Where does the data come from?
From public business listings — the same information lawyers publish so customers can find them — cleaned, de-duplicated by phone number and refreshed regularly. Businesses can ask to be removed at any time.

Law firms in other cities

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Other businesses in Oak Brook

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