Company lists · Data verified August 2026

Top 24 B2B payment processing platforms based in San Francisco, United States

Name: B2B payment processing platforms based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 40 companies tracked

There are 40 B2B payment processing platforms headquartered in San Francisco, United States (RevenueBase, August 2026). RevenueBase tracks 3,219 professional contacts across them, including 1,878 with verified work emails and 548 with mobile numbers. New York is the largest hub.

This list covers B2B payment processing platforms headquartered in San Francisco, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

40Companies

3,219Contacts tracked

1,878Verified emails

548Mobile numbers

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The 24 largest B2B payment processing platforms based in San Francisco, United States

Ranked by team size

Top 24 of 40 B2B payment processing platforms based in San Francisco, 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	checkout.com	San Francisco, CA	1,001-5,000	2,289	1,497
2	FINIX	San Francisco, CA	51-200	171	85
3	Fivestars By Sumup	San Francisco, CA	201-500	145	2
4	Parafin	San Francisco, CA	51-200	132	100
5	Routable	San Francisco, CA	51-200	84	60
6	SLASH	San Francisco, CA	11-50	64	21
7	Skyline Payments	San Francisco, CA	51-200	57	20
8	Resolve	San Francisco, CA	11-50	47	24
9	Optimus Fintech	San Francisco, CA	51-200	41	10
10	authorize.net	San Francisco, CA	501-1,000	36	4
11	TRUSS	San Francisco, CA	11-50	19	12
12	CRSTL	San Francisco	11-50	17	12
13	ANSA	San Francisco, CA	11-50	16	4
14	Bento For Business	San Francisco, CA	11-50	12	3
15	DILL	San Francisco	11-50	8	4
16	Paytia Secure Pci-Dss Compliant Payment Capture Services	San Francisco, CA	11-50	7	3
17	Kountable	San Francisco, CA	11-50	6	2
18	LEVRO	San Francisco, CA	11-50	5	5
19	Ordercircle	San Francisco, CA	11-50	5	2
20	Commet	San Francisco, CA	1-10	5	2
21	Mercoa	San Francisco, CA	1-10	4	2
22	Invoiss	San Francisco, CA	1-10	3	2
23	Zerog Payments	San Francisco, CA	1-10	1	1
24	Anansii	San Francisco, CA	1-10	1	1

Showing 24 of 40 B2B payment processing platforms based in San Francisco, United States

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B2B payment processing platforms based in San Francisco, United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 116 HQs

548Contacts with mobile numbers

1Emails 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

B2B payment processing platforms by metro in the United States

Metro	Companies
B2B payment processing platforms in New York	116
B2B payment processing platforms in Los Angeles	51
B2B payment processing platforms in Atlanta	42
B2B payment processing platforms in Miami	42
B2B payment processing platforms in Las Vegas	39
B2B payment processing platforms in San Francisco	38
B2B payment processing platforms in Dallas	30

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 “B2B payment processing platforms”, with match quality audited by blind human judging, and headquartered in San Francisco, 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; 1 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 B2B payment processing platforms are there based in San Francisco, United States?

There are 40 B2B payment processing platforms headquartered in San Francisco, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

checkout.com, headquartered in San Francisco, tops this list with the largest team on record.

Which city has the most B2B payment processing platforms?

New York leads with 116 headquartered companies, followed by Los Angeles (51) and Atlanta (42).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,878 verified decision-maker contacts tracked across these 40 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 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.