Case studies

Payment and finance systems we have delivered

Selected client work across healthcare, B2B SaaS, publishing, and marketplaces. Some clients are named with permission; others are anonymised by industry.

HealthcareUniting Health

Dual-Rail Payments for a US Healthcare Platform

Built an in-house ACH verification flow and integrated Stripe for card and bank-to-bank payments on a US healthcare platform.

Card and ACH payments live on one Stripe account

In-house verification flow without outsourced payment logic

Real-time customer notifications with predictable settlement timing

Foundation for recurring and one-off healthcare payments

B2B SaaSClient project

Stripe Revenue Recovery for a B2B SaaS Platform

Payment operations audit that surfaced broken checkout paths, failed renewals, and missing webhook handlers before the platform hit scale.

Chargeback exposure identified before volume scaled

Failed renewal paths corrected with working dunning

Webhook handlers restored for entitlement sync

Finance team gained a weekly reconciliation checklist

B2B SaaSClient project

Stripe and Salesforce Integration for RevOps

Connected Stripe billing events to Salesforce so sales and finance shared one source of truth for subscriptions, renewals, and failed payments.

Single source of truth for subscription and payment status

Automated alerts on invoice paid and payment failed events

Reliable weekly reconciliation between Stripe and CRM

Documented rollback plan for production changes

Media & PublishingClient project

E-Rechnung and DATEV Export for a German Publisher

Configured Stripe Tax, ZUGFeRD-compatible invoicing, and a DATEV export workflow tied to Stripe billing events.

Automated DATEV export from Stripe billing data

Structured invoice output using ZUGFeRD

Reduced manual month-end preparation

EU subscription VAT configured in Stripe Tax

MarketplacesClient project

Marketplace Payouts and Vendor Onboarding

Stripe Connect setup for a European marketplace: vendor KYC, split payouts, and operational runbooks for disputes and reconciliation.

Vendor onboarding and KYC flows live in production

Automated split payouts with platform fee collection

PSD2-aligned payment architecture for EU sellers

Ops playbooks for disputes and reconciliation