Best Banking as a Service (BaaS) Software

How Many Banking as a Service (BaaS) Software Products Does G2 Track?

Total Products under this Category: 80

Category Stats (Sep 2026)

  • Average Rating: 4.3/5 (↑0.01 vs Aug 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Stitch (+5.56%) - Among all products in this category, Stitch recorded the largest rating increase compared to last month

Last updated: September 15, 2026

How Does G2 Rank Banking as a Service (BaaS) Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 300+ Authentic Reviews
  • 80+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

Square Instant Transfers

Fast deposits come standard. When you take a payment with Square, you get your money in your bank account in one to two business days. Unlike with many other payment processors, this comes standard—no extra fees required.

Average Rating: 4.3/5.0

Total Reviews: 10

Who Is the Company Behind Square Instant Transfers?

  • Seller: Block
  • Year Founded: 2009
  • HQ Location: Oakland, California
  • Twitter: @Square
    309,691 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    11,860 employees on LinkedIn®
  • Ownership: NYSE:SQ

Who Uses This Product?

  • Company Size: 90% Small, 10% Medium

What Are Recent G2 Reviews of Square Instant Transfers?

What Are G2 Users Discussing About Square Instant Transfers?

Airapi

Airapi is: - an API Gateway and End-to-end API Management Platform, including a developer portal to offer your APIs to fintechs and developers - Open Banking Solution, compatible with PSD2, Berlin Group Standarts and Turkish Open Banking Standards - A BaaS Platform, to help banks to offer their services.

Average Rating: 4.3/5.0

Total Reviews: 20

Who Is the Company Behind Airapi?

  • Seller: Architecht
  • Year Founded: 2015
  • HQ Location: Teknopark İstanbul, TR
  • Twitter: @PowerFactor1
    26 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2,025 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Banking
  • Company Size: 55% Small, 25% Medium

What Are Recent G2 Reviews of Airapi?

SunTec

SunTec modernizes the strategic revenue layer for enterprises worldwide. Our intelligent, AI-augmented, cloud-native platform powers the entire revenue value chain - pricing, billing, deal and offer management, loyalty, taxation, and e-invoicing - enabling organizations to unlock value, eliminate revenue leakage, and drive personalized growth at scale. At the core of our innovation is SunTec Xelerate, a composable, API-first, cloud-agnostic suite of products designed to serve as a digital revenue layer over legacy systems. Whether deployed on-premise, in private cloud, or via SaaS, it seamlessly integrates with existing infrastructure to accelerate modernization, without disruption. Trusted by over 170 clients across 50+ countries, SunTec supports more than 400 million end-customers and enables agile transformation for leading banks, telecom providers, and travel management companies. SunTec enjoys a global footprint spanning the USA, UK, Germany, UAE, Singapore, Canada, and India. SunTec is redefining how enterprises manage, grow, and future-proof their revenue. Visit www.suntecgroup.com or contact us at marketing@suntecgroup.com to learn more.

Average Rating: 4.1/5.0

Total Reviews: 4

Who Is the Company Behind SunTec?

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About SunTec?

AI-generated summary from verified user reviews

Pros
  • Users highlight the ease of use of SunTec, which simplifies data analysis and enhances customer satisfaction.
  • Users find efficient data analysis with SunTec, enabling tailored promotions and enhancing customer satisfaction significantly.
  • Users value the enhanced customer engagement through timely data analysis and tailored products, boosting satisfaction and loyalty.
  • Users value the real-time data capability of SunTec, enabling timely adjustments for improved customer satisfaction and engagement.
  • Users value the collaboration features of SunTec, enhancing customer satisfaction through timely data analysis and report generation.
Cons
  • Users find the inadequate reporting limits effective decision-making and hinders detailed analysis of client preferences.
  • Users find the insufficient details frustrating, impacting their ability to make informed decisions based on data analysis.
  • Users find the poor reporting capabilities hinder effective decision-making and weaken data analysis insights.
  • Users find access limitations with SunTec frustrating, as CRM integration and data transfer processes are slow and cumbersome.
  • Users find data accessibility challenging, as integration with CRM is cumbersome and slows down customer profile updates.

What Are Recent G2 Reviews of SunTec?

Stitch

Stitch is the unified platform that helps you build, launch, and scale financial products. Whether you’re storing, moving, or lending money, Stitch lets you launch faster, simpler, and more cost-effectively.

Average Rating: 4.8/5.0

Total Reviews: 4

Who Is the Company Behind Stitch?

  • Seller: Stitch
  • Year Founded: 2021
  • HQ Location: Riyadh, SA
  • LinkedIn® Page: www.linkedin.com
    29 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 75% Small, 25% Medium

What Are Recent G2 Reviews of Stitch?

Treezor

Your One-stop Shop for Embedded Finance. Outsource all your payment needs to the European Banking-as-a-Service leader! Treezor is an independent provider of outsourcing and white label solutions for electronic payments. Founded in Paris, Treezor owns a European License and is one of the approved suppliers for MasterCard® Prepaid. As an e-money issuer and a payment institution, Treezor is a white label solution dedicated for prepaid cards, e-wallet, marketplaces, crowdfunding and collaborative consumption platforms. With over 50 million transactions processed every year, Treezor is an expert in payments and risk management. More information on www.treezor.com

Average Rating: 4.0/5.0

Total Reviews: 3

Who Is the Company Behind Treezor?

  • Seller: Treezor
  • Year Founded: 2016
  • HQ Location: Paris, FR
  • Twitter: @TreezorBanking
    1,261 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    258 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Small, 33% Large

What Are Recent G2 Reviews of Treezor?

Unit

Unit is the leading embedded finance platform helping software companies launch a financial hub that gives customers access to working capital, money management, and accounts payable tools. Unit’s Ready-to-Launch solution is the easiest way to increase retention and earn revenue - with zero build and fully managed risk operations, customer support, and adoption playbooks. Companies like Wix, Bill.com, Honeybook, Relay, and Homebase use Unit to process over $50 billion in transactions annually for almost 2 million end-customers through its banking partners. For more information, visit unit.co.

Average Rating: 3.5/5.0

Total Reviews: 3

Who Is the Company Behind Unit?

Who Uses This Product?

  • Company Size: 67% Medium, 33% Small

What Are Recent G2 Reviews of Unit?

Equals

Equals is the next-generation global money movement platform built for exceptional businesses operating across borders. We bring international payments, embedded payments, and more together into a single connection that simplifies operations and strengthens financial control. With deep expertise and integrated infrastructure, Equals turns financial complexity into reliable solutions. With over 18 years of experience, Equals has established itself as a trusted partner for over 50,000 businesses, managing and moving more than £50 billion globally. One of the standout features of Equals is the infrastructure for embedded payments, enabling businesses to build and scale financial products without owning the complexity. Through a single API or fully branded white-label solution, companies can embed global payments, accounts, cards, and compliance directly into their operations. Its multi-currency accounts, which come with their own International Bank Account Number (IBAN) allows businesses to manage over 35 currencies directly, facilitating seamless transactions without the need for currency conversion. The direct connection to major payment networks, including SWIFT and UK Faster Payments, ensures that users can send and receive funds efficiently. The target audience for Equals includes CFD Brokers, Digital Asset Companies, Banks/ Neo Banks, FX & Payments and businesses of all sizes looking to enhance their financial operations. Whether an SME needs to manage its expenses or a large corporation requires efficient international payment solutions, Equals caters to a diverse range of use cases. The platform supports over 60 currencies, offering favourable rates for corporate foreign exchange (FX) and international payments. This capability is particularly beneficial for companies operating in multiple markets, as it allows them to hedge against currency fluctuations* and streamline their payment processes. Equals also provides spend management software that simplifies employee expense tracking and cash flow management. Managers can gain a comprehensive view of all transactions, issue business prepaid cards rapidly, and set permissions based on team roles. This level of control not only streamlines monthly reconciliation but also integrates with popular accounting software like Xero and Concur® Expense, making it easier for businesses to maintain accurate financial records. Overall, Equals stands out in the financial technology landscape by offering a versatile, user-friendly platform that addresses the complex needs of modern businesses. With a commitment to safeguarding customer funds through designated accounts with Tier 1 banks, Equals ensures that users can trust their financial operations are secure while benefiting from a wide range of innovative features tailored to enhance their financial management capabilities. *Equals can only offer forward contracts to facilitate payments for goods and services. Once your rate is locked, please be aware that you are committed to that rate regardless of how it moves after booking. **Fees may apply to issue cards. Equals accounts are not covered by the Financial Services Compensation Scheme (FSCS). Instead, your money is protected via a safeguarding method in accordance with the Payment Services Regulations/ E-money Regulations. Money is held in specially designated safeguarded bank accounts with Tier 1 banks and is kept separate from company assets. T&Cs apply, please see product FAQs for further queries.

Average Rating: 4.5/5.0

Total Reviews: 197

Who Is the Company Behind Equals?

  • Seller: Equals
  • Company Website:
  • Year Founded: 2007
  • HQ Location: London, England
  • Twitter: @equals__money
    343 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    433 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Director, Operations Manager
  • Top Industries: Non-Profit Organization Management, Education Management
  • Company Size: 74% Small, 25% Medium

What Do G2 Reviewers Say About Equals?

AI-generated summary from verified user reviews

Pros
  • Users find Equals exceptionally easy to use, enjoying its user-friendly portal and efficient management features.
  • Users value the convenience of Equals, enjoying its user-friendly platform for efficient expense management and support.
  • Users appreciate the rapid fund allocation and ease of managing their virtual cards with Equals.
  • Users highly value the exemplary customer support of Equals, highlighting its clear communication and quick resolutions.
  • Users value the time-saving benefits of Equals, enjoying quick fund management and easy expense tracking.
Cons
  • Users find the receipt management system clunky, lacking sophistication and features for better tracking and organization.
  • Users face limited acceptance of Equals in certain regions and challenges with currency management and statement handling.
  • Users experience approval issues with Equals, struggling with bank statement reconciliation and app functionality.
  • Users find Equals' functionality limited, especially in receipt uploads and mobile app capabilities for administrators.
  • Users find the interface design poor, causing navigation issues and complicating tasks across multiple functionalities.

What Are Recent G2 Reviews of Equals?

FIS

FIS Core Banking offers agile solutions that integrate seamlessly with our core systems or with others via a componentized architecture. This approach enables community, mid-tier, large and global financial institutions to surround their legacy core platform with components to help them progressively transform their core banking systems. With FIS total banking solutions, institutions can create a truly differentiated customer experience.

Average Rating: 4.2/5.0

Total Reviews: 13

Who Is the Company Behind FIS?

  • Seller: FIS Global
  • Year Founded: 1968
  • HQ Location: Jacksonville, FL
  • Twitter: @FISGlobal
    26,502 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    52,367 employees on LinkedIn®
  • Ownership: FIS

Who Uses This Product?

  • Top Industries: Banking
  • Company Size: 62% Large, 31% Medium

What Are Recent G2 Reviews of FIS?

What Are G2 Users Discussing About FIS?

Mambu

Mambu is a cloud platform designed to let user rapidly build, integrate, launch and service any lending portfolio into any market. SME lenders.

Average Rating: 3.8/5.0

Total Reviews: 2

Who Is the Company Behind Mambu?

  • Seller: Mambu B.V.
  • Year Founded: 2011
  • HQ Location: Amsterdam, NL
  • Twitter: @Mambu_com
    3,145 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    730 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Mambu?

Ascertain FinTech Platform

Ascertain Technologies is a leading Banking Software Product, Solutions and Service provider in Malaysia. With over 15+ years of experience in the BFSI sector, we empower banks to embrace digital transformation through our cutting-edge fintech solutions. Renowned regional and global banks across South-East Asia trust and rely on Ascertain Fintech Framework to provide market leading and innovative products and services to their customers.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Ascertain FinTech Platform?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Ascertain FinTech Platform?

Business banking, treasury, multi-currency accounts, stablecoins

Meow is a business banking platform built for companies that move fast and demand more from their money. Through our FDIC-insured partner banks, we offer business checking accounts, zero-fee domestic and international wires, ACH, and checks, stablecoins like USDC and USDT, plus a cashback corporate card with no annual fee. And if that wasn't enough — bookkeeping and tax services as well. Meow supports US-based businesses, crypto and Web3 companies, and internationally-structured entities including Cayman, BVI, Singapore, and UAE-incorporated businesses. Multi-entity management, customizable approval workflows, and seamless integrations with QuickBooks, Rippling, and major payroll platforms make Meow the treasury management system for businesses that have outgrown traditional banking. No monthly fees. No wire fees. No minimums. Just better banking.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Business banking, treasury, multi-currency accounts, stablecoins?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Business banking, treasury, multi-currency accounts, stablecoins?

Finzly

Finzly BankOS is a digital banking platform and a parallel core. BankOS, fosters innovation on a cloud native, API-first digital core that allow banks to launch modern solutions quikly and to partner with fintechs to offer Banking as a Service

Average Rating: 4.8/5.0

Total Reviews: 2

Who Is the Company Behind Finzly?

  • Seller: Finzly
  • Year Founded: 2012
  • HQ Location: Charlotte, US
  • Twitter: @finzly
    270 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    241 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 50% Small

What Are Recent G2 Reviews of Finzly?

Hydrogen Cards

Issue physical and virtual debit cards with our fully built and configurable embeddable applications. No lockups, minimums, or other hidden fees. Plus, earn revenue on every swipe!

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Hydrogen Cards?

  • Seller: Hydrogen
  • Year Founded: 2017
  • HQ Location: Miami, US
  • LinkedIn® Page: www.linkedin.com
    18 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Hydrogen Cards?

What Are G2 Users Discussing About Hydrogen Cards?

Mastercard Open Banking (formerly Finicity)

Finicity’s open banking platform makes connecting your customers’ financial data to your app or service simple. Finicity’s open banking platform is being used by some of the largest and most innovative organizations in the world to empower their customers with better financial experiences. Data quality is essential to your experience. Our data is battle tested in the most rigorous markets. Easily code to endpoints, test data and connect to Finicity’s open banking platform for leading API coverage of banks, credit unions, payroll providers and other financial services. Our suite of APIs makes it easy to access the data you need to power your products.

Average Rating: 3.7/5.0

Total Reviews: 9

Who Is the Company Behind Mastercard Open Banking (formerly Finicity)?

  • Seller: Mastercard
  • Year Founded: 1966
  • HQ Location: Purchase, NY
  • Twitter: @Mastercard
    491,448 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    52,021 employees on LinkedIn®
  • Ownership: NYSE - New York Stock Exchange

Who Uses This Product?

  • Company Size: 78% Small, 22% Medium

What Do G2 Reviewers Say About Mastercard Open Banking (formerly Finicity)?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the user-friendly API of Mastercard Open Banking, simplifying integration for developers in their applications.
  • Users appreciate the ease of use of Mastercard Open Banking, simplifying financial management and payment processing.
  • Users appreciate the easy setup of Mastercard Open Banking, allowing seamless integration for developers.
  • Users appreciate the amazing features of Mastercard Open Banking for efficient financial management and easy payment processing.
  • Users appreciate the ease of integration of Mastercard Open Banking, allowing seamless connectivity for developers.
Cons
  • Users have noted delays in refreshing financial data, affecting the reliability of real-time updates with Mastercard Open Banking.

What Are Recent G2 Reviews of Mastercard Open Banking (formerly Finicity)?

ObjectWay SpA

Objectway is a Top-100 global FinTech provider in the Banking, Wealth & Investment Management Software Industry. Our omni-channel and omni-device solutions support the digital transformation of banks, wealth and investment management business. The award-winning software platform is the trusted choice of leading wealth and investment firms across the globe - from EMEA to Canada to Central America. In 2017 Objectway won the "Best Performance" SDA Bocconi award , and "Best Front Office Solutions" Wealth Briefing European Awards. Since 2018, our leadership has been recognised by being included in the top 100 ITC Fintech Rankings by IDC Financial Insights. In 2019 IBS Intelligence Sales League Table recognised us as #1 Leader in Private Banking Systems. For three consecutive years, 2019, 2020 and 2021 we were crowned as “Best Wealth Management Solution” by Goodacre UK. We have been selected by FinTech Global for the WealthTech100 for four consecutive years, from 2019 to 2022. From offices in Italy, UK, Benelux, Ireland, Germany, Switzerland and UAE Objectway’s 800+ employees support more than 100,000 investment professionals in 10+ countries and 4 continents, who manage more than one trillion euros in assets. For more than 30 years, we have kept our focus on a single vision: constantly innovate, simplify and accelerate the digital transformation, empowering our clients to embrace their future challenges while providing great performance today.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind ObjectWay SpA?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of ObjectWay SpA?

Nathan Calabrese
NC
Researched and written by Nathan Calabrese
Updated October 3, 2024