Company lists · Data refreshed September 2026
Top 11 Professional outsourcing services based in Chicago, United States
RevenueBase identified 34 company matches for professional outsourcing services associated with Chicago, United States as of September 2026 and tracks 665 professional contacts across them, including 51 with verified work emails. Across the United States, New York is the largest hub for this category (106 companies); Chicago has 34.
This list covers company matches for professional outsourcing services 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 21, 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.
The 11 largest professional outsourcing services based in Chicago, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 217 contacts → | ||||
Exact match “247Digitize is an outsourcing and tech partner that optimizes and manages non-core processes so your key resources can focus on productivity and growth.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 51 contacts → | ||||
Exact match “Your Quiet Advantage” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 13 contacts → | ||||
Exact match “Welcome to Doerly Works, your trusted partner for comprehensive remote worker solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 13 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 21, 2026 · View company records in RevenueBase | |||||
| 5 | 9 contacts → | ||||
Exact match “Get a high-performing outsourced team for your growing business with the help of our top-notch talents.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 4 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 21, 2026 · View company records in RevenueBase | |||||
| 7 | 3 contacts → | ||||
Exact match “Add a team of professionals to your organization for less than the cost of a part-time file clerk-Tax Service -Bookkeeping -Accounting -Collections (Licensed & Bonded)-Accounts…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 3 contacts → | ||||
Exact match “At Craft Logistic, we specialize in providing top-notch outstaffing solutions tailored to meet the unique needs of businesses across various industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 1 contacts → | ||||
Exact match “We're your one-stop destination regarding high quality design outsourcing.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 1 contacts → | ||||
Exact match “Rubin Solutions is a leader in profitability, diversity, and operations excellence for professional service firms.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “professional outsourcing services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 11 of 34 professional outsourcing services based in Chicago, United States
See the full list, filter by size, metro and specialty, and access 51 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Professional outsourcing services based in Chicago, United States at a glance
As of Sep 21, 2026Companies by employee count
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 34 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 “professional outsourcing services” 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 51 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 21, 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.
Professional outsourcing services by metro in the United States
- Professional outsourcing services in New York106
- Professional outsourcing services in Miami56
- Professional outsourcing services in Houston44
- Professional outsourcing services in Austin43
- Professional outsourcing services in Dallas38
- Professional outsourcing services in Los Angeles37
- Professional outsourcing services in San Francisco25
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 “professional outsourcing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many professional outsourcing services are there based in Chicago, United States?
RevenueBase identified 34 company matches for professional outsourcing services 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?
247digitize 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 professional outsourcing services?
New York leads the United States with 106 company records, followed by Miami (56) and Houston (44). Chicago has 34.
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 51 professional contacts with verified work emails tracked across these 34 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 34 professional outsourcing services based in Chicago, United States. Start with a free account, no credit card.
Download this list →Related lists
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- Professional outsourcing services based in Chennai, India
- Professional outsourcing services based in Delhi, India
- Professional outsourcing services based in Gurgaon, India
- Professional outsourcing services based in Hyderabad, India
- Professional outsourcing services based in Indore, India
- Professional outsourcing services based in Mumbai, India
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.
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Company intelligence · public preview
Top 11 professional outsourcing services based in Chicago, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 34 matching company records for professional outsourcing services based in Chicago, United States, with 665 tracked contacts and 51 verified work emails.
This public preview shows 11 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 11 professional outsourcing services based in Chicago, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  247digitize247digitize.comHQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 217 contacts → |
“247Digitize is an outsourcing and tech partner that optimizes and manages non-core processes so your key resources can focus on productivity and growth.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Assivoassivo.comHQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 51 contacts → |
“Your Quiet Advantage” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Doerly Worksdoerlyworks.comHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 13 contacts → |
“Welcome to Doerly Works, your trusted partner for comprehensive remote worker solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Sidago Integrated Solutionssidago.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 13 contacts → |
“Sidago Integrated Solutions is a full service outsourcing consultation business that provides small to large sized business solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sourceit BPOsourceitbpo.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 9 contacts → |
“Get a high-performing outsourced team for your growing business with the help of our top-notch talents.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Supportbiz LLCsupportbizllc.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 4 contacts → |
“SupportBiz is an offshore outsourcing company founded in 2019 to assist small and medium-sized businesses in the United States.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Moshe Klein & Associatesmkabusiness.comHQ: Chicago, United StatesReported employees: 11-50 | Chicago, United States | 11-50 | Exact match | 3 contacts → |
“Add a team of professionals to your organization for less than the cost of a part-time file clerk-Tax Service -Bookkeeping -Accounting -Collections (Licensed & Bonded)-Accounts…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Craft Logistic Solutionscraftlogistic.comHQ: Chicago, United StatesReported employees: 1-10 | Chicago, United States | 1-10 | Exact match | 3 contacts → |
“At Craft Logistic, we specialize in providing top-notch outstaffing solutions tailored to meet the unique needs of businesses across various industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Studio Copilotstudiocopilot.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 1 contacts → |
“We're your one-stop destination regarding high quality design outsourcing.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Rubin Solutionsrubinsolutions.comHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 1 contacts → |
“Rubin Solutions is a leader in profitability, diversity, and operations excellence for professional service firms.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bea2b Services Corpbea2b.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 11 of 34 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Professional outsourcing services: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
34 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 34 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Professional outsourcing services by metro in the United States
- Professional outsourcing services in New York106
- Professional outsourcing services in Miami56
- Professional outsourcing services in Houston44
- Professional outsourcing services in Austin43
- Professional outsourcing services in Dallas38
- Professional outsourcing services in Los Angeles37
- Professional outsourcing services in San Francisco25
Questions about this company list
What does Exact match mean for professional outsourcing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many professional outsourcing services did RevenueBase find based in Chicago, United States?
The saved snapshot records 34 matching company records, 665 tracked contacts and 51 verified emails. The public preview displays 11 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Professional outsourcing services by geography
- Professional outsourcing services based in Barueri, Brazil
- Professional outsourcing services based in Curitiba, Brazil
- Professional outsourcing services based in Rio De Janeiro, Brazil
- Professional outsourcing services based in Sao Paulo, Brazil
- Professional outsourcing services based in Ahmedabad, India
- Professional outsourcing services based in Bangalore, India
- Professional outsourcing services based in Chennai, India
- Professional outsourcing services based in Delhi, India
- Professional outsourcing services based in Gurgaon, India
- Professional outsourcing services based in Hyderabad, India
- Professional outsourcing services based in Indore, India
- Professional outsourcing services based in Mumbai, India
Cite this list
RevenueBase Data Team. Top 11 professional outsourcing services based in Chicago, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/professional-outsourcing-services/united-states/chicago.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Professional outsourcing services based in Barueri, Brazil
- Professional outsourcing services based in Curitiba, Brazil
- Professional outsourcing services based in Rio De Janeiro, Brazil
- Professional outsourcing services based in Sao Paulo, Brazil
- Professional outsourcing services based in Ahmedabad, India
- Professional outsourcing services based in Bangalore, India
Company intelligence · public preview
Top 11 professional outsourcing services based in Chicago, United States
RevenueBase records 34 matching company records for professional outsourcing services based in Chicago, United States, with 665 tracked contacts and 51 verified work emails.
This public preview shows 11 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 11 professional outsourcing services based in Chicago, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 247digitize247digitize.com HQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 217 contacts → |
“247Digitize is an outsourcing and tech partner that optimizes and manages non-core processes so your key resources can focus on productivity and growth.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Assivoassivo.com HQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 51 contacts → |
“Your Quiet Advantage” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Doerly Worksdoerlyworks.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 13 contacts → |
“Welcome to Doerly Works, your trusted partner for comprehensive remote worker solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sidago Integrated Solutionssidago.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 13 contacts → |
“Sidago Integrated Solutions is a full service outsourcing consultation business that provides small to large sized business solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sourceit BPOsourceitbpo.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 9 contacts → |
“Get a high-performing outsourced team for your growing business with the help of our top-notch talents.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Supportbiz LLCsupportbizllc.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 4 contacts → |
“SupportBiz is an offshore outsourcing company founded in 2019 to assist small and medium-sized businesses in the United States.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Moshe Klein & Associatesmkabusiness.com HQ: Chicago, United StatesReported employees: 11-50 | Chicago, United States | 11-50 | Exact match | 3 contacts → |
“Add a team of professionals to your organization for less than the cost of a part-time file clerk-Tax Service -Bookkeeping -Accounting -Collections (Licensed & Bonded)-Accounts…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Craft Logistic Solutionscraftlogistic.com HQ: Chicago, United StatesReported employees: 1-10 | Chicago, United States | 1-10 | Exact match | 3 contacts → |
“At Craft Logistic, we specialize in providing top-notch outstaffing solutions tailored to meet the unique needs of businesses across various industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Studio Copilotstudiocopilot.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 1 contacts → |
“We're your one-stop destination regarding high quality design outsourcing.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Rubin Solutionsrubinsolutions.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 1 contacts → |
“Rubin Solutions is a leader in profitability, diversity, and operations excellence for professional service firms.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bea2b Services Corpbea2b.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 11 of 34 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Professional outsourcing services: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
34 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 34 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Professional outsourcing services by metro in the United States
- Professional outsourcing services in New York106
- Professional outsourcing services in Miami56
- Professional outsourcing services in Houston44
- Professional outsourcing services in Austin43
- Professional outsourcing services in Dallas38
- Professional outsourcing services in Los Angeles37
- Professional outsourcing services in San Francisco25
Questions about this company list
What does Exact match mean for professional outsourcing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many professional outsourcing services did RevenueBase find based in Chicago, United States?
The saved snapshot records 34 matching company records, 665 tracked contacts and 51 verified emails. The public preview displays 11 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Professional outsourcing services by geography
- Professional outsourcing services based in Barueri, Brazil
- Professional outsourcing services based in Curitiba, Brazil
- Professional outsourcing services based in Rio De Janeiro, Brazil
- Professional outsourcing services based in Sao Paulo, Brazil
- Professional outsourcing services based in Ahmedabad, India
- Professional outsourcing services based in Bangalore, India
- Professional outsourcing services based in Chennai, India
- Professional outsourcing services based in Delhi, India
- Professional outsourcing services based in Gurgaon, India
- Professional outsourcing services based in Hyderabad, India
- Professional outsourcing services based in Indore, India
- Professional outsourcing services based in Mumbai, India
Cite this list
RevenueBase Data Team. Top 11 professional outsourcing services based in Chicago, United States. Snapshot: September 21, 2026. https://revenuebase.ai/companies/professional-outsourcing-services/united-states/chicago.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Professional outsourcing services based in Barueri, Brazil
- Professional outsourcing services based in Curitiba, Brazil
- Professional outsourcing services based in Rio De Janeiro, Brazil
- Professional outsourcing services based in Sao Paulo, Brazil
- Professional outsourcing services based in Ahmedabad, India
- Professional outsourcing services based in Bangalore, India