Company lists · Data verified August 2026

Top 23 Fintech companies based in Chicago, United States

Name: Fintech companies based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 45 companies tracked

The Chicago fintech companies directory contains 45 companies, with 18,254 contacts and 10,067 email addresses available for business research. Updated August 2026, the list identifies New York as the single most-represented city among the companies included.

Fintech companies use software and digital infrastructure to provide, support, or improve financial products and services such as payments, lending, banking, investing, insurance, and financial management. This list covers companies that develop, operate, or deliver technology-enabled financial products, services, or infrastructure. Ranked by team size, largest first. Data current as of August 28, 2026.

45Companies

18,254Contacts tracked

10,067Verified emails

7,057Mobile numbers

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The 23 largest fintech companies based in Chicago, United States

Ranked by team size

Top 23 of 45 fintech companies based in Chicago, United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Stripe	Chicago, IL	5,001-10,000	12,856	7,283
2	Affirm	Chicago, IL	1,001-5,000	2,817	1,829
3	Rewards Network	Chicago, IL	201-500	701	394
4	AVANT	Chicago, IL	201-500	569	199
5	OPPFI	Chicago, IL	501-1,000	470	78
6	M1	Chicago, IL	51-200	173	87
7	Amount	Chicago, IL	201-500	170	85
8	Ninjaholdings	Chicago, IL	51-200	122	21
9	Deinde Financial	Chicago, IL	51-200	56	6
10	Braviant Holdings	Chicago, IL	51-200	50	7
11	KORA	Chicago, IL	11-50	44	15
12	CPC Marketing	Chicago, IL	11-50	25	17
13	Cardsmart	Chicago, IL	11-50	19	8
14	Fin-Tex	Chicago, IL	1-10	19	2
15	Switch	Chicago	1-10	18	6
16	Bridge Money	Chicago, IL	11-50	14	7
17	Springfour	Chicago, IL	1-10	13	11
18	Fintech Digital	Chicago, IL	11-50	12	4
19	Tandym	Chicago, IL	11-50	8	3
20	Pretpayments, INC	Chicago, IL	11-50	4	1
21	Spence Labs	Chicago	11-50	2	2
22	Tacoai	Chicago, IL	1-10	1	1
23	Skybridge Credit	Chicago, IL	1-10	1	1

Showing 23 of 45 fintech companies based in Chicago, United States

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Fintech companies based in Chicago, United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 235 HQs

7,057Contacts with mobile numbers

78Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Fintech companies by metro in the United States

Metro	Companies
Fintech companies in New York	235
Fintech companies in San Francisco	109
Fintech companies in Miami	62
Fintech companies in Chicago	45
Fintech companies in Atlanta	41
Fintech companies in Austin	34
Fintech companies in Los Angeles	32

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “fintech companies”, with match quality audited by blind human judging, and headquartered in Chicago, United States.
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: Contact records re-verify on a rolling cadence; 78 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many fintech companies are based in Chicago, United States?

The directory contains 45 fintech companies based in Chicago, United States. It also includes 18,254 contacts and 10,067 email addresses for business research.

What do fintech companies do?

Fintech companies provide technology-enabled financial products, services, or infrastructure, including payments, lending, banking, investing, insurance, and financial management tools.

Which city has the most fintech companies on the list?

New York is the single most-represented city among the companies on the list. The directory was updated in August 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.