We have also curated this list of top banking software development companies after evaluating numerous agencies, considering their services, portfolios, industry reputation, pricing, awards, and client testimonials. Explore their specializations and case studies to find the perfect partner for your unique banking software needs.

The Number 1 Banking Software Development Company as Selected by DesignRush Is...

ScienceSoft

• Best for: Overall
• Average hourly rate: $50
• Minimum budget: Inquire
• Founded: 1989
• Size: 500 - 999
• Location: McKinney, TX
• Notable clients: Kapital Bank, Walmart, Nestle, eBay, NASA JPLV

ScienceSoft is a banking software development company that specializes in IT consulting, software development, data analytics, cybersecurity, and infrastructure. The agency provides a complete set of custom and platform-based solutions, including internet banking, core banking systems (CBS), mobile banking, loyalty program management, banking CRM, and banking data analytics.With 35 years of experience, 4,000+ client success stories, and a team of over 750 professionals across the US, Europe, and the Gulf, ScienceSoft has earned accolades, such as the 2024 Banking Tech Award, a place on the Inc. 5000, and recognition as a Top App Developer.

ScienceSoft Success Story

• Challenge: Kapital Bank, Azerbaijan’s oldest commercial bank with over $3.5B in assets, struggled with delays in updating its iOS and Android banking apps due to growing service complexity and miscommunication within the IT team. The issues hindered timely app evolution, potentially affecting customer satisfaction and competitive standing in the regional market.
• Solution: To address the challenge, ScienceSoft provided IT consulting and project management support. It deployed experts to audit the bank’s mobile development workflows, introduced Agile practices to streamline collaboration, and bridged skill gaps in the IT team. ScienceSoft also recommended moving from Java to Kotlin and Objective-C to Swift for faster, smoother app updates.
• Results: Kapital Bank achieved efficient, uninterrupted mobile app evolution, reducing update delays and enhancing user experience. With ScienceSoft’s support, the bank strengthened its digital banking capabilities and prepared its infrastructure for future growth, positioning itself as a digital leader in regional financial services.

Check Out ScienceSoft Agency Profile

Praxent

• Best for: SMB banking
• Average hourly rate: $50
• Minimum budget: $10,000-$25,000
• Founded: 2000
• Size: 50-99
• Location: Austin, TX
• Notable clients: Players Health, Keller Williams, Integris Group, Credit Strong, Axiom Investors

Praxent is a financial software company that offers banking software development services, specializing in technology consulting, banking systems integration, fraud technology strategy and deployment, core system migration, UX design, and digital solutions. With 24 years of experience and over 400 successful projects, Praxent boasts a 96% client referral rate. Focused on banking, fintech, lending, insurance, and wealth management, Praxent helps clients modernize systems, boost productivity, and enhance customer engagement.

Praxent Success Story

• Challenge: The youth sports leagues, a $37.5B industry in the US, faced financial service gaps, including fraud, limited governance, fluctuating seasonal cash flow, and complicated accounting. Teams had to manage upfront expenses like equipment before receiving player dues, making it difficult to streamline operations and improve financial oversight.
• Solution: Players Health, a risk services and insurance firm that protects athletes and sports organizations, and Thread Bank partnered to create a custom digital banking experience offering SMB banking, lending, and insurance services. ScienceSoft designed a tailored UX, full-stack development for SMB account opening, card management, BNPL functionality, and seamless integrations.
• Results: The platform launched in under six months, onboarding 50+ SMBs in the beta phase. It quickly secured $600,000 ARR in the first week and raised $30 million in Series B funding, addressing the financial needs of youth sports leagues while enabling faster, more efficient financial management.

Check Out Praxent Agency Profile

Itransition

• Best for: Web development
• Average hourly rate: $40
• Minimum budget: $50,000 & Up
• Founded: 1998
• Size: 1000 & Up
• Location: Lakewood, CO
• Notable clients: PayPal, Adidas, PepsiCo, Xerox, Ebay

Itransition is a global software engineering and consulting company with over 25 years of experience offering businesses software development for financial services. The company offers a full spectrum of banking software development services, including core banking systems, banking CRM, financial analytics, mobile banking, full-cycle software development, system integration, and dedicated development centers. With 1,530+ projects completed and a team of over 3,000 professionals, Itransition serves more than 800 clients globally, offering scalable solutions in partnership with tech leaders like Microsoft, Amazon, and Salesforce. Due to its expertise, the financial services software development agency was awarded the Deloitte Technology Fast 500 award and recognized as a leading software development company by Everest Group, Forrester, and INC. 5000.

Itransition Success Story

• Challenge: A large financial corporation needed to modernize the site quickly to meet market demands and drive sales, but lacked a reliable solution to handle increased traffic, complex workflows, and frequent incidents.
• Solution: Itransition took over the project, improving the website’s performance, user experience, and functionality. It implemented a custom CMS for flexible content management, automated financial data updates, integrated BI-powered calculators, and developed a fully featured e-commerce module. The website was also redesigned for scalability, stability, and seamless multi-site management, incorporating advanced security measures and compliance standards.
• Results: The website’s stability improved by 26%, reducing incidents by 90%, with website traffic hitting 50 unique users per second. The project was completed on time, and the system supported 530 development tasks, with 1462 unit tests per deployment, positioning Itransition as a trusted partner.

Check Out Itransition Agency Profile

Innowise

• Best for: SaaS web application
• Average hourly rate: $150
• Minimum budget: $25,000-$50,000
• Founded: 2007
• Size: 1000 & Up
• Location: St. Petersburg, FL
• Notable clients: Deloitte, Accenture, BMW, NFT Pro, QCENTRIS

Innowise is a leading financial services software development agency, specializing in IT staff augmentation and digital transformation, with over 1,800 developers on board. The company offers custom financial software development, lending software development, payment software development, bank API integrations, customer portal development, custom CRM development, and core banking services. With more than 17 years of experience and 1,100+ successful projects, the company holds a 93% recurring customer rate.

Innowise Success Story

• Challenge: A large sales organization needed a secure, scalable platform to integrate with a partner bank, support ACH transactions, and handle a high volume of simultaneous money transfers. Additionally, it required real-time analytics for merchant data and an admin panel for user management.
• Solution: Innowise developed a custom SaaS platform with three key modules: a payment system for ACH transactions, an analytics system for real-time merchant data, and an admin panel for role-based user management. The platform was optimized for scalability using AWS Lambda, ensuring it could handle thousands of simultaneous transfers securely.
• Results: The platform successfully processed ACH transfers, enhanced transaction security, and delivered detailed analytics. It supported up to 10,000 concurrent users and increased merchant transaction volumes by 15% per month. The solution streamlined operations and reduced manual errors.

Check Out Innowise Agency Profile

DICEUS

• Best for: Software architecture
• Average hourly rate: $45
• Minimum budget: $1,000-$10,000
• Founded: 2011
• Size: 250-499
• Location: Wroclaw, Poland
• Notable clients: UNIQA, Bank al Etihad, Raiffeisen Bank, Willis Towers Watson, Fadata

DICEUS is a banking software development company offering custom software development, including system integration, legacy system modernization, and data migration. Since 2011, the company has been offering software development for financial services. With 250 full-time tech professionals and 130 successful projects delivered, DICEUS has a global presence with offices in 8 countries. It specializes in mobile banking, online banking, core banking systems, AI development for banking, and robotics process automation.

DICEUS Success Story

• Challenge: The client needed to migrate to a new BPM-based system (Appian) as its old CRM system, Siebel, was not optimized for efficiency. Furthermore, it struggled with manual data collection and effective forecasting. The challenge was to integrate multiple systems, ensure 24/7 operation across time zones, and enable real-time data aggregation for better customer insights and business processes.
• Solution: DICEUS implemented an ETL process to transform and prepare data marts, enabling real-time and historical data aggregation across various sources. The new system provided a user-friendly interface for fast access to customer information, improved customer segmentation, and eliminated data update delays.
• Results: The bank saw conversion rates increase from 2% to 25% while SME short-term product sales rose from 0.9% to 9%, leading to significant improvements in overall business performance.

Check Out DICEUS Agency Profile

Inteca

• Best for: Identity and Access Management (IAM) infrastructure
• Average hourly rate: Inquire
• Minimum budget: Inquire
• Founded: 2011
• Size: 50 - 99
• Location: Copenhagen, Denmark
• Notable clients: BNP Paribas, Velo Bank, HP, Credit Agricole, DHL

Inteca is a financial services software development agency that specializes in custom banking software development, mobile banking app development, online banking software development, payment getaway integration, fraud detection and prevention solutions, cloud-based banking solutions, and integration with third-party banking software, among others. With over 10 years of experience, Inteca delivers robust solutions for the financial and service sectors, modernizing digital infrastructures to enhance IAM security. The company’s offerings also include DevOps and cloud services, managed services for Keycloak and Apache Kafka, and strategic platform partnerships with Red Hat Openshift and GitLab.

Inteca Success Story

• Challenge: A major European bank faced critical issues with its outdated Identity and Access Management (IAM) system, which lacked support for modern standards (OpenID Connect, OAuth 2.0, SCIM, SAML) and essential security features like Single Sign-On (SSO) and Multi-Factor Authentication (MFA). The bank’s IAM infrastructure, with multiple unintegrated servers, created complex workflows and hindered seamless access across mobile, web, and API platforms. This setup led to inefficiencies, increased maintenance, and security vulnerabilities, limiting the bank’s scalability and agility.
• Solution: To tackle the challenge, Inteca implemented a centralized IAM solution using Keycloak, supported by a microservice architecture on Kubernetes for autoscaling. The unified system provided configurable authentication flows, multichannel support, integration with existing IT systems, and a CI/CD pipeline for faster updates.
• Results: The bank gained a streamlined, secure, and scalable IAM infrastructure with enhanced configurability, modern security standards, and improved user experience, significantly boosting operational efficiency.

Check Out Inteca Agency Profile

Itexus

• Best for: White-label mobile banking app
• Average hourly rate: $40
• Minimum budget: $25,000-$50,000
• Founded: 2013
• Size: 100-249
• Location: Dover, DE
• Notable clients: McDonalds, Unilever, Chick-fil-A, DigiRealty, Mango

Itexus is a company that specializes in banking software development services from simple mobile apps to enterprise‑grade, AI‑powered digital banking and investment management systems. Founded in 2013, Itexus delivers crypto, personal finance, digital banking, insurance, and wealth management and investment services to clients worldwide. With over 300 successful projects and 250+ clients across 23 countries, Itexus maintains a 75% referral rate and an 87% client retention rate, making it a trusted partner for secure, innovative financial software solutions.

Itexus Success Story

• Challenge: A Silicon Valley digital banking provider needed a customizable white-label mobile app to support U.S.-based fintechs, credit unions, and digital banks. The app had to deliver a range of financial services, meet regulatory standards, and use a tech stack that the client’s team could easily support, despite limited familiarity with optimal technologies.
• Solution: Itexus created a scalable mobile banking app with essential features, such as multi-factor authentication, account management, ACH transfers, and customer support. It also integrated third-party services, including Socure for KYC, Zendesk for support, and Mbanq for banking infrastructure, ensured a comprehensive solution, while the agile approach provided regular progress updates.
• Results: In four months, Itexus delivered a ready-to-launch white-label mobile app now in testing by initial customers. The solution offers flexibility for customization, enabling diverse financial entities to provide seamless, branded digital banking services.

Check Out Itexus Agency Profile

Yalantis

• Best for: Automated cybersecurity ecosystem
• Average hourly rate: $45
• Minimum budget: $25,000-$50,000
• Founded: 2008
• Size: 500-999
• Location: Warsaw, Poland
• Notable clients: KPMG, Healthfully, Orbis Systems, Lifeworks, Scholz Databank

Yalantis is a banking software development company founded in 2008, delivering tailored solutions, such as mobile banking apps, payment apps, banking software, financial management software, lending apps, and cybersecurity services. With expertise in custom software, digital transformation, IT consulting, and team augmentation, Yalantis helps clients optimize workflows and modernize systems. Known for its extensive domain knowledge, technical excellence, and clear processes, the company has completed 300+ successful projects for over 250 clients in 23 countries, maintaining a 75% referral rate and an 87% client retention rate.

Yalantis Success Story

• Challenge: A US-based bank needed a secure software development lifecycle to minimize vulnerabilities, prevent attacks, and control long-term maintenance costs, as it was expanding its online services. Though, its outdated web and mobile banking applications struggled under heavy loads, leading to technical instability. Furthermore, those exposed customers' data to potential cyber threats, raising concerns about data breaches and costly post-release security fixes.
• Solution: Yalantis implemented a secure software development lifecycle (S-SDLC) that evolved into a comprehensive, automated cybersecurity ecosystem. The solution integrated security checks within the client’s CI/CD pipeline, automating vulnerability detection, ticket generation in Jira, and notifications via Slack. Key security controls included SAST, DAST, and Kubernetes audits.
• Results: In three months, Yalantis delivered a scalable, cost-efficient cybersecurity ecosystem, adaptable across projects. This solution brought numerous benefits, including:
  • improved security
  • reduced maintenance costs
  • eliminated the need for expensive third-party tools, ensuring robust protection against emerging threats.

Check Out Yalantis Agency Profile

KMS Solutions

• Best for: Fundraising solutions
• Average hourly rate: Inquire
• Minimum budget: $25,000-$50,000
• Founded: 2019
• Size: 100-249
• Location: Ho Chi Minh, Vietnam
• Notable clients: Asia Commercial Bank, YOLA, Prudential, Circle K, New Viet Dairy

With over 15 years of experience, 1,500+ IT professionals, and more than 130 global clients across 5 countries, KMS Solutions is a leading banking & financial software development provider. It specializes in digital banking transformation, platform advisory and consulting, banking software design, bank test, legacy banking app modernization, integration, migration, implementation services, and maintenance and support. The company has also earned prestigious awards like APEA 2022 Corporate Excellence and VINASA 2023 Digital Transformation Services.

KMS Solutions Success Story

• Challenge: An Australian bank faced difficulties with unguaranteed time-to-market, a lack of focus on operational processes, and challenges in building a skilled technical team locally. The bank needed to rapidly scale its digital team and improve its platform's efficiency to better serve its customers.
• Solution: KMS Solutions provided end-to-end software development services, including a product roadmap for the upcoming year and a dedicated team consisting of Business Analysts, Back-end & Front-end Developers, and QA/QC specialists. The team worked with modern tech stacks like Redux, ReactJS, Ruby on Rails, iOS/Android, and implemented Single Sign-On with Gluu (SAML 2.0 & OpenID Connect).
• Results: The bank's digital team grew sixfold, enabling a 208% increase in fundraising from 2017 to 2018 and a total of $50 million raised through the platform, significantly boosting the bank's impact and operational capacity.

Check Out KMS Solutions Agency Profile

Avenga

• Best for: Banking UI/UX design
• Average hourly rate: Inquire
• Minimum budget: $50,000 & Up
• Founded: 2019
• Size: 1000 & Up
• Location: Jersey City, NJ
• Notable clients: Liechtensteinische Landesbank, OLO, GSK, Mazda, Intel

Avenga is a banking software development company with over 20 years of experience, 3,450+ professionals, and more than 610 clients. It specializes in digital banking, open banking, back-office automation, risk management and fraud prevention, financial CRM application development, commercial and retail landing platforms, and wealth and asset management solutions. Avenga's expertise is recognized with awards like the Bronze Stevie and Inc. 5000.

Avenga Success Story

• Challenge: The Liechtensteinische Landesbank (LLB), a financial institution with over 150 years of tradition, needed seamless, consistent user experience across various platforms. It wanted to meet modern demands while maintaining its legacy of personal and reliable service.
• Solution: Avenga partnered with LLB to redesign its digital services, integrating online banking and web portals into a unified, user-friendly experience. The team focused on delivering a sustainable digital strategy, including a new visual language that could support the bank's expansion into the digital world.
• Results: The collaboration resulted in a consistent user experience across platforms, empowering LLB to engage a broader audience with a modern, accessible interface. The bank now has the tools and strategy to thrive in the digital era while staying true to its legacy of service.

Check Out Avenga Agency Profile

How We Picked the Best Banking Software Development Services

To pick the best banking software development services, we evaluated their portfolios, client testimonials, case studies, industry reputation, team expertise, and executive management. Our team of agency experts created a scoring system to determine their overall performance based on several key aspects:

• Reviews: Industry reputation based on service quality and client satisfaction
• Portfolio: Successful projects highlighting the agency’s methods for achieving measurable outcomes
• Awards and press: Significant accomplishments and endorsements from well-regarded external organizations
• Team bios: Team members' expertise and qualifications in banking & financial software development
• Top services: Core offerings and areas of focus
• Banking software expertise: Mastery in creating secure, innovative banking platforms with advanced technology

Visit the DesignRush Agency Ranking Methodology for more information on how we research agencies.

10 Most Popular Financial Services Software Development Agencies Compared