Company lists · Data refreshed September 2026

Top 20 Customer service outsourcing advisors based in Chicago, United States

RevenueBase identified 73 company matches for customer service outsourcing advisors associated with Chicago, United States as of September 2026 and tracks 25,445 professional contacts across them, including 113 with verified work emails. Across the United States, New York is the largest hub for this category (163 companies); Chicago has 73.

This list covers company matches for customer service outsourcing advisors associated with Chicago, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
73Companies
25,445Contacts tracked
113Verified emails
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The 20 largest customer service outsourcing advisors based in Chicago, United States

Ranked by team size
Top 20 of 73 company matches for customer service outsourcing advisors based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202610001+24,115 contacts →

Exact match

“HGS is a global provider of technology, AI, and business services, helping organizations transform with confidence.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 28, 2026501-1,000371 contacts →

Exact match

“Miller Heiman Group is now part of Korn Ferry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-200232 contacts →

Exact match

“LiveAdmins is one of the leading live chat service providers in the industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Sep 28, 2026201-50051 contacts →

Exact match

“Your Quiet Advantage”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202611-5047 contacts →

Exact match

“From Talent to Automation, We Power Business Growth & Global Team Expansion We are a non-IT staffing partner helping companies hire and scale their teams efficiently, with…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202611-5038 contacts →

Exact match

“At Acliviti, we believe exceptional customer experience isn’t just a tech initiative - it’s a strategic advantage.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-20032 contacts →

Exact match

“Hit Rate Solutions provides American owned, operated, and managed business process outsourcing (BPO) call centers in the Philippines to deliver results for our customers around…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-20013 contacts →

Exact match

“Sidago Integrated Solutions is a full service outsourcing consultation business that provides small to large sized business solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-20010 contacts →

Exact match

“Kreativa is a full-service digital marketing and nearshore staffing agency helping Fortune 500 brands and growth-stage companies scale smarter.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Sep 28, 20261-109 contacts →

Exact match

“Boru helps small businesses increase sales and improve service results- We help you understand the optimum steps that will lead to accelerated sales and then build momentum toward…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-2008 contacts →

Exact match

“KontractOne exists to help companies stop overspending and find substantial savings on IT costs.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchChicago, United StatesHQ recorded Sep 28, 20261-107 contacts →

Exact match

“vitaltech is Chicago’s leading provider of outsourced IT services, dedicated to delivering a genuine, human IT experience through a high-energy approach and adaptable products and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202611-506 contacts →

Exact match

“Since 1997, Moran Consulting has created customized customer service training solutions for more than 700 organizations in a variety of industries across the world.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Sep 28, 20261-105 contacts →

Exact match

“TelecomMedic was formed by telecommunications professionals to help consumers understand the ever-changing and often complex telecommunications industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202611-504 contacts →

Exact match

“SupportBiz is an offshore outsourcing company founded in 2019 to assist small and medium-sized businesses in the United States.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202611-503 contacts →

Exact match

“CCM Consulting Group provides staffing assistance to a variety of industries and provides virtual call center operations services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“A remarkable customer experience is your best sales and marketing strategy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“We are a minority/woman-owned innovative and distinctive organization that provides IT Consulting and IT Strategic Sourcing Advisory Services to the Fortune 500 as well as select…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“We design and deploy the latest technology, relationship management tools, evidence-based metrics and Voice of the Customer (VoC) techniques to develop fully integrated contact…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchChicago, IL, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Kalebas provides advisory services for improving B2B and B2C operations and partners with clients to achieve important outcomes by aligning leaders around a strategic plan and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 20 of 73 customer service outsourcing advisors based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 113 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer service outsourcing advisors based in Chicago, United States at a glance

As of Sep 28, 2026
0.4%Verified-email coverage
348.6Average contacts per company
11-50Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
31
11-50
21
51-200
13
201-500
4
501-1,000
3
10001+
1

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 73 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Chicago, United States whose business descriptions match “customer service outsourcing advisors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 113 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “customer service outsourcing advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer service outsourcing advisors are there based in Chicago, United States?

RevenueBase identified 73 company matches for customer service outsourcing advisors associated with Chicago, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

HGS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most customer service outsourcing advisors?

New York leads the United States with 163 company records, followed by Miami (91) and Houston (77). Chicago has 73.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 113 professional contacts with verified work emails tracked across these 73 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.