- Services
Cards & Payments Services

Enabling Scalable, Secure, and Strategic Payment Transformation
At Nehish, we help financial institutions, fintechs, and processors transform their payments landscape with end-to-end expertise across cards, acquiring, switching, fraud management, testing, and analytics. Our global delivery experience and platform-agnostic capabilities make us a trusted partner at every stage of your digital payments journey.

Fintechs, Payments & Cards
Empowering Banks with Innovative Solutions
Fintech Strategy & Advisory
We guide organizations in shaping and executing their digital payment strategies—from vision to value.
- Digital payments architecture and roadmap
- Scheme compliance (Visa, Mastercard, UPI, AMEX, etc.)
- Platform evaluation and modernization
- Product and process advisory from domain SMEs
- Regulatory and go-to-market support
Card Issuance & Processing
Nehish delivers secure, scalable, and compliant card programs across credit, debit, and prepaid segments.
- Full lifecycle card management
- CMS implementation and support:
TSYS Prime, VisionPLUS, WAY4, PowerCARD - Integration with tokenization and wallets
- Loyalty and rewards integration
- Certification for international and domestic schemes
Merchant Acquiring & Switching
We enable high-performance acquiring and seamless transaction processing through robust switch platforms and POS integrations.
- POS and mPOS onboarding
- Switch implementation and optimization: Postilion, Base24, Sparrow, Iris, Authentic
- Payment gateway tuning
- Transaction routing and acquiring configuration
- Support for local and cross-border transactions
Testing & Quality Assurance
Ensure reliability, performance, and compliance across your payments stack with Nehish’s QA services.
- End-to-end testing lifecycle: SIT, UAT, performance, certification
- Automation frameworks for regression testing
- PCI DSS, EMV, 3DS, and compliance validation
- Issuer/acquirer testing and key management
Interface Testing


Interface Systems
Development, integration, parameter maintenance, and workstation setup

Testing Center of Excellence
- SIT, UAT, Regression, Scheme Certification
- Issuer/Acquirer testing, Key Management & 3DS validation