50 Best Transaction Processing Companies to Watch in 2026

The most prominent transaction processing companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 929 companies tracked on Fsome.

929
Total Companies
$29.7B
Total Funding
$31.9M
Avg Funding
London
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
Checkout.com
Checkout.com is a global provider of payment solutions that help businesses and …
London 1K - 5K $1.8B Series D 2022-01-12
2
PayPal
PayPal is a financial service company that provides online payment solutions to …
San Jose c 10001 max $12.2B Post Ipo Debt 2025-11-17
3
Avalanche
Avalanche provides a decentralized contracts platform for global finance, with n…
Brooklyn 11 - 50 $270.0M Corporate Round 2026-03-19
4
RouteSense
RouteSense provides real-time MID health monitoring and intelligent transaction …
Salt Lake City 1 - 10 $2.0M Pre Seed 2026-01-15
5
Omnea
Omnea offers a procurement orchestration platform that streamlines source-to-pay…
London 101 - 250 $75.0M Non Equity Assistance 2026-03-19
6
Forage
Forage is a payments company that enables merchants to accept EBT SNAP payments.
San Francisco 11 - 50 $22.0M Non Equity Assistance 2023-08-15
7
Sundayapp
Sundayapp is a fintech company that allows customers to pay their restaurant and…
Atlanta 101 - 250 $145.0M Series B 2025-11-12
8
Glass
Glass is an e-Commerce startup that revolutionizes how governments buy.
San Francisco 11 - 50 $4.5M Non Equity Assistance 2023-07-13
9
Dojo
Dojo is a financial technology company providing card payment solutions for smal…
London 501 - 1K $631.8M Private Equity 2025-05-28
10
AvidXchange
AvidXchange is a payments firm that specializes in AP automation software and pa…
Charlotte 1K - 5K $1.1B Corporate Round 2025-05-06
11
Candid Health
Candid Health provides an automation platform for healthcare revenue cycle manag…
San Francisco 101 - 250 $99.8M Series C 2025-02-12
12
Stax
Stax is a direct-cost, integrated payment technology provider dedicated to simpl…
Orlando 251 - 500 $263.2M Series D 2022-03-08
13
HitPay
HitPay is a full stack payments infrastructure platform designed for growing bus…
Singapore 11 - 50 $18.4M Series A 2022-05-04
14
GEMBA
Neobanking platform & white label banking infrastructure, startup friendly neoba…
London 11 - 50 $3.5M Seed 2024-06-15
15
Payzli
Payzli provides cloud-based software, point of sale solutions, business manageme…
Tampa 51 - 100 $6.0M Corporate Round 2024-01-11
16
Setpoint.io
Setpoint.io develops a platform purpose-built for the future of asset-backed len…
Austin 51 - 100 $79.5M Series B 2024-08-13
17
Trust Stamp
Trust Stamp is a developer of AI-powered software that provides identity verific…
Atlanta 51 - 100 $33.3M Post Ipo Equity 2024-12-05
18
Proof
Proof is an identity-assured transaction management platform that verifies ident…
Boston 251 - 500 $229.0M Series Unknown 2025-11-12
19
Global Holdings
Global Holdings is a financial technology company that provides payment processi…
Tulsa 501 - 1K $68.5M Debt Financing 2017-06-06
20
Shield USDT
Shield specializes in B2B cross-border payments, cryptocurrency exchange service…
Miami 1 - 10 $7.1M Seed 2025-03-25
21
Opine
Opine helps to automate the pre-sales efforts for enterprise software transactio…
Durham 1 - 10 $7.0M Seed 2025-12-09
22
Thirdfort
Building first end-to-end Anti Fraud Platform to combine KYC, AML and secure pay…
London 51 - 100 $24.8M Series A 2022-03-07
23
Vroozi
Vroozi's SpendTech® platform is the leading business spend management, marketpla…
Walnut Creek 51 - 100 $26.0M Series A 2018-11-03
24
AppTech Payments
AppTech is an innovative Fintech company with an elite digital platform that pow…
Carlsbad 11 - 50 $29.5M Post Ipo Equity 2025-12-30
25
Fenergo
Fenergo is a saas-based solutions company that offers client lifecycle managemen…
Dublin 501 - 1K $760.4M Private Equity 2021-04-30
26
Passport
Passport is the technology leader in parking compliance and curbside payment sol…
Charlotte 251 - 500 $213.5M Series Unknown 2025-08-25
27
Simpl
Simpl is a fintech company that offers a cardless payment network with multiple …
Bangalore 501 - 1K $71.7M Series B 2021-11-30
28
BKN301
BKN301 is the leading fintech architecture provider in EMEA (Europe, Middle East…
London 101 - 250 $64.6M Series B 2025-11-25
29
Ansa
Ansa is a fintech infrastructure solution enabling merchants to launch branded c…
San Francisco 11 - 50 $19.4M Series A 2024-04-30
30
Vesta
Vesta is a financial services company that offers an end-to-end process designed…
Lake Oswego 251 - 500 $170.0M Series Unknown 2025-04-07
31
Paiv (formerly Gamify)
Paiv offers an end-to-end field sales and service management platform, powered b…
Lehi 11 - 50 $4.9M Seed 2024-04-01
32
Viamericas
Viamericas offering international money transfer, bill payment, check processing…
Bethesda 251 - 500 $119.6M Debt Financing 2025-09-30
33
Carwow
Carwow is an online car marketplace that connects customers, automotive brands a…
London 101 - 250 $235.6M Series Unknown 2024-07-15
34
PaymentCloud
PaymentCloud merchant services company that specializes in secure payment proces…
Encino 51 - 100 $45.0M Debt Financing 2022-06-13
35
PayRange
PayRange is a network for everyday purchases developing a mobile payment technol…
Portland 251 - 500 $31.5M Private Equity 2024-09-30
36
firmly.ai
ecommerce, streamlined checkout experience that requires 0 changes for the Merch…
Seattle 11 - 50 $2.0M Seed 2024-04-25
37
Empora Title
Empora Title is a premier tech-forward title company that delivers visibility, t…
Columbus 11 - 50 $26.7M Series A 2021-12-01
38
OpenFX
Real-time FX Payments Infrastructure
New City 11 - 50 $23.0M Seed 2025-05-22
39
Highnote
Highnote is an embedded finance company that develops a virtual payment platform…
San Francisco 101 - 250 $229.1M Series B 2025-01-21
40
MOIN
MOIN is a specialized cross-border payment network provider that offers remittan…
Seoul 51 - 100 $14.3M Series B 2022-03-03
41
Onramper
Onramper is an app that allows users to convert fiat currency into cryptocurrenc…
Amsterdam 11 - 50 $6.0M Seed 2022-01-26
42
Ordo
Ordo offers open banking payments services for secure, real-time transactions.
London 11 - 50 $11.2M Series A 2022-10-19
43
Selfbook
Selfbook develops a payment platform that enables seamless booking flow, merchan…
West Hollywood 51 - 100 $43.0M Series Unknown 2022-12-08
44
Dots
Dots is a multichannel payouts API that automates manual processes for marketpla…
San Francisco 1 - 10 $14.8M Series A 2026-02-25
45
Akua
Transformative payments infrastructure, Akua's cloud-native platform offers acqu…
Bogotá 11 - 50 $12.8M Seed 2025-10-07
46
Sunscreen
Sunscreen is a cryptography company that translates frontier Fully Homomorphic E…
San Francisco 1 - 10 $5.2M Seed 2022-07-18
47
Zeta
Zeta is a banking technology company that provides credit and debit card issuanc…
San Ramon 1K - 5K $390.0M Series D 2025-02-11
48
Airtm
Airtm is a a blockchain and bank-connected digital wallet and peer-to-peer excha…
Mexico City 101 - 250 $24.7M Series B 2021-05-25
49
Nelogica
Nelogica develops trading software and platforms of assets in the financial mark…
Porto Alegre 501 - 1K $103.1M Series A 2020-11-26
50
PayMate
PayMate is an Indian B2B payments fintech for Enterprise and SME across supply c…
Mumbai 51 - 100 $40.5M Series D 2019-07-22