French banks and fintech teams can choose from custom development partners, large technology consultancies, and specialized banking platform vendors. The companies below cover areas such as core banking, payment processing, digital channels, lending, regulatory technology, and capital markets software.
1. Itexus
Itexus builds custom software for banks, fintech companies, lenders, payment providers, and wealth management businesses. Its teams cover the whole product lifecycle: discovery, interface design, engineering, quality assurance, cloud deployment, and ongoing support.
Itexus suits organizations that want a product built around their own workflows instead of a standard banking package. It builds digital banking apps, payment systems, lending platforms, trading tools, and financial data products. It also integrates KYC, AML, open banking, and payment services. French businesses can hire Itexus to modernize legacy systems or to extend an in-house engineering team.
Key Facts
- Best for: Custom banking and fintech product development
- Core services: Banking software development, product discovery, UI/UX design, software engineering, QA, cloud, DevOps, support
- Banking capabilities: Digital banking, payments, lending, wealth management, trading
- Technologies: Java, .NET, Python, TypeScript, React, Angular, Flutter, React Native
- Delivery options: Full-cycle development and staff augmentation
Contact Information
- Website: itexus.com
- E-mail: moc.suxeti@ofni
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- LinkedIn: www.linkedin.com/company/itexus
- Instagram: www.instagram.com/itexus.soft
- Address: 8, The Green, STE road, Dover, DE 19901, United States
2. SBS
SBS builds software for retail banks, corporate banks, lenders, neobanks, fintech companies, and asset finance providers. Its products cover core banking, digital channels, lending, open banking, payments, and specialized finance operations.
SBS has deep roots in the French banking market. Its technology processes a large share of instant payments in France, and its wider product family serves banks across Europe, the Middle East, and Africa. Established institutions can use SBS to modernize core systems step by step. New financial businesses can use it as a configurable platform for launching banking products.
Key Facts
- Best for: Core banking and lending modernization
- Core products: SBS Core Banking, SBS Core Lending, SBS Digital Banking Suite
- Other capabilities: Open banking, payments, asset finance
- Target clients: Retail banks, corporate banks, lenders, fintechs
- Market presence: France and more than 50 countries
Contact Information
- Website: sbs-software.com
- LinkedIn: www.linkedin.com/company/s-b-s
3. Murex
Paris-based Murex builds technology for capital markets, treasury, enterprise risk, and post-trade operations. Its main platform, MX.3, brings trading, risk management, operations, and finance into one environment.
Murex is a specialist, not a general banking app developer. Its clients are banks, investment managers, clearing houses, public agencies, and corporations that deal with complex financial instruments. The software handles cross-asset operations, regulatory processes, liquidity management, collateral, and financial reporting. Clients can run it as managed SaaS or through larger enterprise implementations.
Key Facts
- Best for: Capital markets and treasury systems
- Main platform: MX.3
- Core capabilities: Trading, risk, treasury, operations, finance
- Target clients: Banks, investment managers, clearing houses, corporations
- Headquarters: Paris, France
Contact Information
- Website: www.murex.com
- LinkedIn: www.linkedin.com/company/murex
- Address: 15-25 Boulevard de l'Amiral Bruix 75116 Paris France
- Phone: + 33 01 44 05 32 00
4. Skaleet
Skaleet builds modular core banking technology for traditional banks, neobanks, payment service providers, and Banking-as-a-Service businesses. The company is headquartered in the Paris area. Its API-centric architecture connects with existing banking systems and third-party services.
The platform covers accounts, cards, payments, loans, savings, customer management, and process automation. Institutions can add modules one at a time instead of replacing a whole legacy environment at once. Skaleet also supports greenfield banking launches. It helps businesses move from managed BaaS arrangements to running banking on their own software.
Key Facts
- Best for: Modular core banking transformation
- Core capabilities: Accounts, cards, payments, lending, savings
- Architecture: API-centric, modular, event-driven
- Target clients: Banks, neobanks, PSPs, BaaS providers
- Headquarters: Boulogne-Billancourt, France
Contact Information
- Website: skaleet.com
- E-mail: moc.teelaks@gnitekram
- LinkedIn: www.linkedin.com/company/skaleet
- Address: 150 Route de la Reine, 92100 Boulogne-Billancourt, France
5. smartTrade Technologies
smartTrade Technologies builds electronic trading and payment technology at its headquarters in Aix-en-Provence. Its clients are banks, brokers, asset managers, and other financial institutions that need institutional-grade market connectivity.
Its LiquidityFX platform handles foreign exchange trading, liquidity management, distribution, analytics, and execution. Its PaymentsControl product handles payment orchestration and monitoring. smartTrade offers modular architecture, integration APIs, cloud deployment, and low-latency infrastructure. It fits financial institutions with demanding trading or transaction workloads.
Key Facts
- Best for: Electronic trading and payment technology
- Core platforms: LiquidityFX and PaymentsControl
- Capabilities: FX trading, liquidity management, analytics, payment monitoring
- Deployment: Private cloud and public cloud options
- Headquarters: Aix-en-Provence, France
Contact Information
- Website: smart-trade.net
- Facebook: www.facebook.com/smartTradeTechnologies
- Twitter: x.com/smarttrade_tech
- LinkedIn: www.linkedin.com/company/smarttrade-technologies
- Address: Immeuble Apogee 500 avenue Galilee 13100 Aix-en-Provence France
- Phone: + 33 (0)4 42 90 03 97
6. Treezor
Treezor provides embedded finance and Banking-as-a-Service technology to companies across Europe. It is part of the Societe Generale group and pairs a modular technical platform with regulated payment services and operational support.
Treezor offers accounts, local and virtual IBANs, card issuing, SEPA payments, acquiring, KYC verification, and credit. Regulated institutions can also use it through Platform-as-a-Service and Software-as-a-Service options. Choose Treezor if you want banking infrastructure and compliance support in one package. It is not a general-purpose custom software studio.
Key Facts
- Best for: Embedded finance and Banking-as-a-Service
- Core services: Accounts, cards, payments, acquiring, KYC
- Technical model: API-first, cloud-based modular platform
- Target clients: Fintechs, regulated institutions, banks, software platforms
- Group: Societe Generale
Contact Information
- Website: www.treezor.com
- LinkedIn: www.linkedin.com/company/treezor
- Address: Treezor SAS, 33 avenue de Wagram, 75017 Paris.
- Phone: 01.84.19.29.81
7. Capgemini
Capgemini offers software engineering, consulting, cloud services, data, and systems integration to financial institutions. The group is headquartered in France and has a large delivery presence there. It can run banking programs that span several business units, technology vendors, and regulatory requirements.
Its banking work covers digital channels, core modernization, payments, data platforms, cloud transformation, cybersecurity, and automation. Capgemini fits large institutions with complex transformation plans, not early-stage teams looking for a small product studio. It can also coordinate implementations that involve major banking platforms and cloud providers.
Key Facts
- Best for: Large banking transformation programs
- Core services: Consulting, software engineering, integration, cloud, data
- Banking capabilities: Core modernization, payments, digital banking, risk
- Target clients: Large banks and financial institutions
- Headquarters: Paris, France
Contact Information
- Website: www.capgemini.com
- Facebook: www.facebook.com/Capgemini
- LinkedIn: www.linkedin.com/company/capgemini
- Instagram: www.instagram.com/capgemini
- Address: Place de l’Etoile, 11 rue de Tilsitt, 75017 Paris, France
- Phone: +33 1 47 54 50 00
8. Sopra Steria
Sopra Steria provides consulting, digital services, systems integration, software engineering, and managed services. The French group has decades of experience with financial institutions and still runs technology transformation projects for banks and insurers.
Its work includes application modernization, cloud adoption, data platforms, cybersecurity, customer-facing software, and operational systems. Sopra Steria is separate from SBS, which now belongs to the 74Software group. The difference matters to buyers. SBS sells dedicated banking products, while Sopra Steria takes on wider consulting, engineering, integration, and transformation work.
Key Facts
- Best for: Enterprise banking technology transformation
- Core services: Consulting, systems integration, application engineering
- Other capabilities: Cloud, data, AI, cybersecurity, managed services
- Target clients: Banks, insurers, and other large organizations
- Headquarters: Paris, France
Contact Information
- Website: www.soprasteria.com
- E-mail: moc.airetsarpos@proc-tcatnoc
- Twitter: x.com/soprasteria_fr
- LinkedIn: www.linkedin.com/company/soprasteria
- Instagram: www.instagram.com/soprasteria_group
- Address: Campus Cyber - Tour Eria 5 rue Bellini 92800 PUTEAUX
9. Talan
Talan was founded in France and combines technology consulting, data, software engineering, and business transformation. Financial services is a major part of its work, especially corporate and investment banking.
The company works on front-office systems, risk, finance, regulatory processes, data platforms, and cloud applications. Its teams also run digital factories, help adopt DevSecOps, handle integration, and modernize trading and financial operations technology. Talan is a strong choice when a project needs both banking domain knowledge and hands-on technical delivery.
Key Facts
- Best for: Corporate and investment banking technology
- Core services: Technology consulting, engineering, data, cloud
- Banking capabilities: Front office, risk, finance, regulatory systems
- Delivery areas: Digital factories, DevSecOps, system integration
- Origin: France
Contact Information
- Website: www.talan.com
- Facebook: www.facebook.com/talan
- LinkedIn: www.linkedin.com/company/talan
- Instagram: www.instagram.com/talan_world
- Address: 85 r Pierre Berthier, 13290 Aix en Provence
- Phone: +33 4 42 12 74 75
10. Inetum
Inetum provides digital services, application development, cloud, cybersecurity, data, and enterprise transformation support. It has large operations in France and works with financial institutions on both software and infrastructure projects.
Banking teams hire Inetum for custom applications, platform integration, quality assurance, modernization, data engineering, and cybersecurity. Its financial sector experience also includes payment methods and central bank technology projects. Inetum works best for transformation programs with many parts. It is not the right pick if you want a single ready-made core banking product.
Key Facts
- Best for: Application development and banking IT modernization
- Core services: Custom software, cloud, data, cybersecurity, integration
- Financial capabilities: Payments, digital banking, regulatory technology
- Delivery options: Project teams and managed services
- Presence: Multiple locations in France
Contact Information
- Website: www.inetum.com
- Twitter: x.com/inetum_world
- LinkedIn: www.linkedin.com/company/inetum
- Instagram: www.instagram.com/inetum_world
- Address: 5-7 rue Touzet Gaillard 93400 Saint-Ouen France
- Phone: 33(0)144045000
11. GFT Technologies
GFT works mainly with banks, insurers, and other financial organizations. Its French team provides technology consulting and engineering to businesses that are modernizing applications, moving workloads to the cloud, or adding data and AI.
The company handles cloud-native development, core system transformation, platform integration, data engineering, and regulatory technology. Because it concentrates on financial services, it is more specialized than many general IT consultancies. GFT is worth considering for programs that need banking expertise and software delivery across complex enterprise environments.
Key Facts
- Best for: Cloud and data-led banking modernization
- Core services: Software engineering, cloud transformation, data, AI
- Banking capabilities: Core modernization, regulatory technology, digital channels
- Target clients: Banks, insurers, financial institutions
- Location: French office and delivery presence
Contact Information
- Website: www.gft.com
- E-mail: moc.tfg@ofni
- Facebook: www.facebook.com/gfttechnologies
- Twitter: x.com/gft_tech
- LinkedIn: www.linkedin.com/company/gft-technologies
- Instagram: www.instagram.com/gft_tech
- Address: 18 avenue Leo Lagrange 79000 Niort
12. Worldline
Worldline builds payment and digital transaction technology for banks, financial institutions, merchants, and public organizations. It was founded in France, has a large local presence, and runs payment infrastructure in several European markets.
For financial institutions, Worldline covers card issuing, acquiring, account payments, open banking, authentication, digital banking, digital currency, and financial markets services. It is not a general custom development agency. Banks turn to Worldline for proven payment processing, transaction infrastructure, software licensing, or integration help with regulated payment services.
Key Facts
- Best for: Payment processing and digital transaction systems
- Core capabilities: Issuing, acquiring, account payments, open banking
- Other services: Authentication, digital banking, digital currency
- Target clients: Banks, fintechs, merchants, public organizations
- Headquarters: France
Contact Information
- Website: worldline.com
- E-mail: moc.enildlrow@LWofni
- Facebook: www.facebook.com/Worldline
- LinkedIn: www.linkedin.com/company/worldlineglobal
- Instagram: www.instagram.com/worldline
- Address: Tour Voltaire 1 Place des Degres CS 81162 92059 Paris la Defense Cedex
- Phone: +33 (0)1 34 34 95 95
13. Finastra
Finastra sells banking software for core systems, digital channels, lending, payments, trade finance, treasury, and financial messaging. Banks and lenders in many countries use its products, including institutions in France.
Finastra offers a large product catalog rather than fully custom development. French banks may consider it when replacing a specific operational platform, moving banking functions to the cloud, or connecting lending and payment workflows. Products such as Essence, Loan IQ, Global PAYplus, and Trade Innovation each cover a different part of the banking stack.
Key Facts
- Best for: Established banking software platforms
- Core areas: Universal banking, lending, payments, trade finance
- Selected products: Essence, Loan IQ, Global PAYplus
- Target clients: Banks, lenders, credit unions, financial institutions
- Delivery options: Cloud and on-premise software
Contact Information
- Website: www.finastra.com
- Twitter: x.com/FinastraFS
- LinkedIn: www.linkedin.com/company/finastra
- Address: Washington Plaza 42 Rue Washington 75008 Paris France
- Phone: +33144550610
14. Temenos
Temenos builds software for core banking, digital banking, payments, wealth management, and financial crime mitigation. It serves banks worldwide and has operations in France as part of its European network.
Its platform supports retail, business, corporate, commercial, and private banking. Banks can run Temenos as SaaS or build it into a larger transformation program with implementation partners. Temenos fits institutions that want a configurable banking platform with wide functional coverage, not a small standalone app.
Key Facts
- Best for: End-to-end banking platform implementation
- Core products: Core banking, digital banking, payments
- Other capabilities: Wealth management, AML, KYC, fraud controls
- Target clients: Retail, corporate, commercial, and private banks
- Delivery model: SaaS and partner-supported implementations
Contact Information
- Website: www.temenos.com
- Facebook: www.facebook.com/TemenosGroup
- Twitter: x.com/Temenos
- LinkedIn: www.linkedin.com/company/temenos
- Instagram: www.instagram.com/we_are_temenos
- Address: 41 avenue. George V, 75008 Paris, France
- Phone: +33 1 88 89 04 57
15. Proxiad
Proxiad is a French digital services company offering software development, IT consulting, data, cloud, and infrastructure support. Its teams work with banking, finance, insurance, and other regulated sectors.
Banks use Proxiad for extra engineering capacity, application maintenance, testing, platform migration, or development around existing information systems. Unlike specialist vendors such as Murex or Skaleet, Proxiad sells services and works inside a client's existing technology environment. That makes it a good fit for targeted modernization and long-running application programs.
Key Facts
- Best for: Banking application engineering and technical teams
- Core services: Software development, consulting, data, cloud
- Delivery areas: Maintenance, testing, migration, application modernization
- Industries: Banking, finance, insurance, public services
- Presence: Multiple offices in France
Contact Information
- Website: www.proxiad.com
- E-mail: moc.daixorp@fdi.tcatnoc
- Facebook: www.facebook.com/ProxiadGroup
- LinkedIn: www.linkedin.com/company/proxiadfrance
- Instagram: www.instagram.com/proxiad_group
- Address: 47 Rue de Ponthieu 75008 Paris France
- Phone: +33 1 44 83 83 70
Conclusion
France offers a broad mix of banking technology partners, from custom development teams to established providers of core banking, payments, trading, and embedded finance platforms. The right choice depends less on company size and more on the actual work involved. Replacing a core system, building a new lending product, and improving an existing mobile app require very different kinds of expertise.
Before committing to a provider, banks should look closely at its experience with regulated financial products, legacy integrations, data security, and long-term maintenance. Itexus is a practical option for organizations that need custom banking software shaped around their own processes, while specialized platform vendors may be a better fit when proven infrastructure and faster implementation matter most. A clear technical scope will make that decision much easier.