E-invoicing implementation to master digital transformation and new regulations
Navigating EU e-invoicing regulations in hybrid IT environments
- Fragmented regulatory standards – Each country imposes unique formats, platforms, and tax-reporting workflows.
- Legacy system constraints – Traditional ERP platforms can’t generate compliant, structured invoice formats.
- Manual workarounds and compliance risk – Disconnected systems lead to rekeying data, rejected invoices, and audit exposure.
- Siloed operations across cloud & on-prem – Hybrid IT setups complicate invoice generation, delivery, and traceability.
- Master data inconsistencies – Inaccurate VAT IDs, addresses, and product codes undermine automation.
- Regulatory change fatigue – Frequent mandate updates strain IT resources and cause costly rework.
The cornerstones of successful e-invoicing compliance through integration
Ensure seamless, scalable e-invoicing compliance by embedding these integration strategies in your architecture:
- Design for multi-jurisdictional mandates – Support Peppol, SDI, Chorus Pro, and EN 16931 formats through flexible data mapping.
- Bridge legacy and modern systems – Use integration layers to wrap legacy ERPs with compliant output capabilities.
- Automate real-time reporting – Connect ERP and finance systems directly to tax platforms for audit-proof traceability.
- Embed validation and governance – Catch data issues early with built-in field validation and format enforcement.
- Centralized monitoring and alerts – Gain visibility into invoice flows across systems and geographies.
A system integration solution built for regulatory agility
Our solutions are built on a strategic foundation designed for long-term integration success and regulatory resilience:
- Based on enterprise-wide integration architecture that supports both legacy and modern platforms
- Clear ownership and governance model from day one
- Repeatable development and change management workflows
- Integration platform tailored for evolving tax and compliance mandates
- KPI framework for tracking performance, compliance, and automation gains
- Executive alignment to drive adoption across business and IT teams
Some of our strategic partners:
The business value of e-invoicing integration built on a solid foundation
Business continuity & accuracy
Meet e-invoicing mandates with no disruption; reduce rejected invoices and delays.
Operational efficiency
Reduce invoice processing time and admin overhead across finance and procurement.
Scalability & agility
Add new markets and regulatory models without rearchitecting systems.
Real-time visibility & control
Monitor flows, ensure traceability, and support audit readiness.
Sustainability & innovation
Go paperless, support ESG goals, and unlock automation opportunities.
Our entry services
E-Invoicing Integration Readiness Workshop
Fast-track your compliance with global e-invoicing mandates while building a foundation for long-term success.
What you'll get:
- Regulatory landscape analysis (Peppol, SDI, Chorus Pro)
- System architecture assessment
- Integration strategy with clear ROI
Key benefits:
- Compliance blueprint for structured e-invoicing formats
- Risk identification before implementation
- Evaluation of Celeste as your integration partner
ERP Integration Readiness Workshop
De-risk your ERP cloud migration with a strategic roadmap from our senior integration consultants.
What you'll get:
- Integration ecosystem assessment
- Target architecture and gap analysis
- Preliminary business case with investment estimates
Key benefits:
- Clear visibility of integration impact on ERP migration
- Stakeholder alignment and investment justification
- Experience Celeste's expertise before full commitment
Strategic Integration Discovery Workshop
Take the first step toward a cohesive integration strategy aligned with your business goals.
What you'll get:
- Integration landscape deep-dive
- Joint IT/business stakeholder alignment sessions
- Tailored roadmap with investment guidance
Key benefits:
- Architecture evolution plan supporting business agility
- Prioritized action plan for critical bottlenecks
- Demonstration of Celeste's strategic and technical expertise
M&A Integration Readiness Workshop
Create a blueprint for repeatable post-merger integration success that accelerates time-to-synergy.
What you'll get:
- M&A scenario risk assessment
- Integration architecture and governance framework
- Actionable roadmap with effort estimates
Key benefits:
- Rapid onboarding capability for acquired companies
- Strategic positioning of integration as a value enabler
- Practical experience with Celeste's M&A expertise
Our five core competence areas for efficient system integration
System Integration Strategy
Integration is the key to enabling your business to adopt new technologies and capitalize on market opportunities quickly. A well-crafted integration strategy creates the foundation for sustainable growth and innovation.
We have extensive experience in the following areas: Integration Competence Center, Governance, Integration platform evaluation, Project management, Cloud and hybrid strategy, Vendor selection, and Migration strategy.
System Integration architecture
Our integration architects participate in feasibility studies, platform selection, and development of robust integration architectures, patterns, designs, and information models.
We translate your business requirements into system integration solutions, aligning with your strategy and technological landscape.
Implementation of system integration solutions
We design and build solutions on leading platforms, focusing on:
– Boomi Enterprise Platform
– IBM webMethods Hybrid Integration
We also work with Axway, Icore Integration Suite, Microsoft Azure and trusted open source. Based on this platforms we employ agile methodologies with continuous delivery to create immediate business value throughout the implementation process.
Our experience confirms that comprehensive testing is critical for successful integration projects. That’s why testing is always a core component of our implementation methodology.
System integration managed services
While developing and deploying integrations can be relatively quick, the real challenge lies in monitoring, managing, and maintaining them throughout their lifecycle. A robust management solution with experienced staff forms the foundation of a reliable integration ecosystem.
With decades of integration experience, we have established processes and solutions that allow us to quickly assume management responsibilities while freeing up your internal resources. We work proactively to anticipate future requirements and address emerging needs.
System integration support
We deliver state-of-the-art customer support for the solutions that we implement based on:
- A dedicated support manager
- A team of dedicated IT support technicians
- 24/7 support
- Ticket handling system
- Proactivity
- Advanced monitoring and logging of your IT integration solution
Some of our customers:
How we can help
ERP cloud migration
Ensure your ERP cloud migration succeeds by addressing integration challenges proactively. Our tailored solutions secure continuous data flow and process integrity across legacy and modern systems throughout the transition, minimizing business disruption while maximizing ROI.
E-invoicing implementation
Integration architecture
M&A activities create complex, heterogeneous IT landscapes. Our proven integration strategies help unify disparate systems and business processes quickly and securely. Discover how we reduce integration risks and accelerate value realization during acquisitions.
Strategic system integration
Take your next step and talk to an integration expert
Ready to explore how our system integration solutions can address your specific business challenges? Schedule a consultative meeting free of charge with one of our integration experts to discuss your needs and discover the right approach for your organization:
