Fintua

~50% reduction in AWS infrastructure costs while scaling tax compliance automation across 25+ European jurisdictions.

Results Delivered

50%

lower AWS infrastructure costs

25+

European jurisdictions automated

20+

dedicated engineers supporting the platform

Executive summary

Fintua (formerly Taxback International) is a global RegTech provider offering indirect tax compliance, VAT recovery, e-invoicing, and cross-border payment solutions. As regulatory demands increased, tkxel helped automate tax compliance workflows within the Comply platform to reduce overhead, expand jurisdiction coverage, and improve efficiency while keeping filing decisions with the compliance team.

Industry

Financial Services

Project Type

Tax Compliance Workflow Automation

Service

Intelligent Automation

Solution Highlights

Automating compliance workflows

  • Country-specific VAT validation frameworks across 25+ European jurisdictions
  • Automated return preparation and submission workflows
  • Flexible rules engine designed to accommodate frequent legislative change

Strengthening control and auditability

  • Built-in filing traceability across jurisdictions
  • Audit-ready data flows for compliance oversight
  • Real-time dashboards showing filing status and activity

Scaling the platform efficiently

  • Processing workloads moved to AWS ECS and SQS
  • Datadog monitoring and alerting for faster issue diagnosis
  • More predictable deployment and testing processes

Expanding integration capabilities

  • SAP, Mastercard, KMLZ, and WTS integrations to support faster client onboarding

Outcome

Validation and return preparation now run automatically across every jurisdiction Fintua covers, while the filing decision and audit defence stay with the compliance team. Coverage expanded without a matching increase in manual effort, processing that took minutes now completes in seconds, and infrastructure costs fell by roughly half.

Tools & technology

Programming Languages & Frameworks

Laravel Angular PostgreSQL .NET Core C# Microsoft SQL Server PHP

Cloud Services & Infrastructure

AWS Amazon SQS Amazon S3 Amazon DynamoDB Amazon SES Amazon SNS

Development & Deployment

AWS ECS Amazon EC2 Docker Bitbucket Pipelines

Monitoring

Datadog Amazon CloudWatch

Architecture

Microservices Architecture Clean Architecture Principles

See where intelligent automation can deliver the fastest financial and operational impact.

Upcoming Webinar

FinOps for AI Workflows: Controlling Cloud Costs for Businesses

August 12, 2026 10:00 am EST

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