A banking application that provides students with unique credit, debit, and payment tools, helps to build credit score, and instills financial literacy and money management habits through engaging educational content.
The Los Angeles market for banking platforms is accelerating.
Buyers ask for audit-ready apps, dependable integrations, and measurable outcomes.
According to Grand View Research, the core banking software market is projected to reach about $21.61B by 2030 on global spend, with steady U.S. growth through 2025–2030.
We vetted LA–based or LA–market teams that actually ship.
Each company listed below has a verifiable LA presence and a body of banking or financial-services work.
Top Banking Development Companies (2025 Rankings)
Key Highlights:
Founded: 2013
Headquarters / Presence: USA; serves CA and NY programs (U.S. offices listed)
Team Size: ~160
Core Services: Custom banking app development, digital wallet development, fintech software development, open finance APIs, payment gateway integration.
Company Overview:
Itexus builds banking and fintech products with compliance-first engineering.
Teams ship OAuth2/OIDC, 2FA, secrets rotation, and environment isolation as defaults.
They publish artifacts buyers can check in presale: risk register, data flows, control matrix, and contract-test suites at provider edges.
Public site pages cover fintech app development, mobile banking, lending, and API integrations. Slalom+3itexus.com+3Chamber of Commerce+3
Why LA buyers shortlist:
- Evidence over adjectives: demo environments, rollback paths, and synthetic monitoring of “Register → Link account → Pay/Transfer → Dispute.”
- Payment gateway integration with idempotent retries and dispute evidence → fewer failed settlements.
- Open finance APIs with consent fallback paths → higher onboarding completion.
Contact: itexus.com (FinTech services, contacts).
Key Highlights:
Founded: 1989
Los Angeles Presence: Listed on Accenture U.S. Locations directory; LA address appears in local directories. Accenture+1
Team Size: ~774,000 employees (2024)
Core Services: Core modernization, digital channels, fraud/risk, data platforms.
Company Overview:
Accenture runs large, multi-stream banking programs with deep vendor ecosystems.
LA programs typically include cloud landing zones, policy-as-code, and secrets management.
Expect governance, program controls, and partner management built in.
Key Highlights:
Founded: 2001
Los Angeles Presence: Official Slalom Los Angeles page; Slalom locations page confirms the office.
Team Size: ~12,000
Core Services: Banking app development, analytics stacks, onboarding and servicing CX.
Company Overview:
Slalom fields nimble LA squads that connect product, data, and engineering.
Teams define acceptance criteria up front and measure adoption, MTTR, and funnel completion post-launch.
Key Highlights:
Founded: 1993
Los Angeles Presence: 11601 Wilshire Blvd, Suite 350, Los Angeles, CA 90025 (corporate contact page). EPAM
Team Size: ~61,200 (2024)
Core Services: Banking platforms, high-throughput APIs, data/observability, SRE.
Company Overview:
EPAM delivers event-driven services, blue/green cutovers, and automated rollback.
Good fit for banks and fintechs coordinating multiple vendors and global dev/test cycles.
LA office is verified on corporate pages and local directories.
Key Highlights:
Founded: 1999
Southern California Presence: Global HQ in Orange County (Aliso Viejo) serving the LA metro.
Team Size: 30,000+
Core Services: Core/card modernization, API gateways, mobile banking, wallet security.
Company Overview:
UST supplies accelerators for payments and card programs and supports post-launch operations with SRE patterns.
Key Highlights:
Founded: 1976
Los Angeles / California Presence: U.S. geo-presence pages and CA listings confirm the footprint; LA roles are regularly posted.
Team Size: ~227,000
Core Services: Digital channels, payments, lending platforms, finance & accounting services.
Company Overview:
HCLTech runs banking and payments programs with data and cloud practices.
Ask for LA-served references and incident playbooks.
Key Highlights:
Founded: 1987 (merger forming KPMG)
Los Angeles Presence: KPMG Los Angeles office page.
Team Size: ~275,288
Core Services: Banking risk, compliance, platform controls, data lineage.
Company Overview:
KPMG combines controls with delivery guardrails.
LA programs include model risk, data retention, and regulator-friendly evidence.
Key Highlights:
Founded: 1998 (Price Waterhouse + Coopers & Lybrand)
Los Angeles Presence: PwC U.S. Offices directory lists Los Angeles.
Team Size: ~370,000
Core Services: Banking tech and ops transformation, cloud/data, identity and consent.
Company Overview:
PwC runs enterprise programs with measurable controls and executive reporting.
Ask for a one-week build test focused on your riskiest integration.
Comparison Table of Top Banking Development Companies:
| Company | Founded | Headquarters / LA Presence | Team Size | Key Focus / Services |
|---|---|---|---|---|
| Itexus | 2013 | USA; serves Los Angeles market | ~160 | Custom banking apps, digital wallets, open finance APIs, payment gateway integration |
| Accenture | 1989 | Los Angeles office (Downtown/Westside) | ~774,000 | Core modernization, digital channels, fraud/risk, data platforms |
| Slalom | 2001 | Los Angeles office | ~12,000 | Banking app development, analytics, onboarding/servicing CX |
| EPAM | 1993 | Los Angeles office (11601 Wilshire Blvd) | ~61,200 | Platform engineering, high-throughput APIs, SRE, observability |
| UST | 1999 | HQ Aliso Viejo, CA (LA metro) | 30,000+ | Core/card modernization, API gateways, mobile banking, wallet security |
| HCLTech | 1976 | California presence; Los Angeles roles/offices | ~227,000 | Digital channels, payments, lending platforms, finance & accounting services |
| KPMG | 1987 | Los Angeles office | 275,288 | Controls, governance, data lineage, compliance technology |
| PwC | 1998 | Los Angeles office | 370,000 | Ops & tech transformation, cloud/data, identity & consent |
Los Angeles buyers need banking platforms that pass audits, ship on schedule, and scale under load. Shortlist vendors that show artifacts before SOW: control map, key-management plan, contract tests, and synthetic monitoring. Run a one-week pilot on the riskiest integration and measure MTTR, onboarding completion, and payment failure rate.
Keep Itexus first when you want custom banking apps and wallets with provider integrations, rollback paths, and audit-ready evidence.
Use the table to match team scale, local presence, and services to your launch goals.