4GLARGENTINA OÜ provides specialized SAP ABAP delivery and senior Natural/ADABAS expertise for maintenance, evolution, migration and support of business-critical systems across Europe.
We provide specialized technical capacity for SAP delivery and Natural/ADABAS legacy environments, focused on maintenance, evolution, integration, documentation and operational continuity.
Custom developments, enhancements, reports, forms, exits, BAdIs, interfaces and technical maintenance of SAP solutions.
Design and implementation of integrations between SAP and external systems, including fiscal, regulatory and corporate platforms.
Technical support and optimization for electronic invoicing, SII in Spain and equivalent fiscal integration scenarios.
Analysis of existing systems, detection of issues, proposal of technical improvements and support in SAP architecture decisions.
Review and improvement of existing developments to increase performance, stability, maintainability and operational traceability.
Senior support for Natural/ADABAS applications: maintenance, evolution, batch and online processes, incidents, migration and legacy modernization.
We participate in projects where SAP developments must be adapted, stabilized or evolved, both in ECC/R/3 environments and in transition scenarios towards SAP S/4HANA.
The proposal focuses on technical execution: analysis of existing objects, ABAP logic adaptation, integration with external systems and support for functional testing.
We work as a specialized technical partner, focused on operational continuity, risk reduction and maintainable delivery.
We provide technical experience in scenarios where SAP must exchange information with fiscal systems, electronic invoicing services or compliance platforms.
A robust fiscal integration must explain where each amount, tax code, document reference and response status comes from.
We support organizations that need to maintain, evolve or modernize long-running Natural/ADABAS applications. Our senior expertise in the technology dates back to 1985, with project experience across banking, public administration, telecommunications, energy and industry.
Senior experience is especially valuable when critical applications have accumulated decades of business logic and documentation is incomplete. We can join existing teams for focused assignments, maintenance backlogs, migrations or remote technical support.
Our Natural/ADABAS services are backed by more than 10 years of continuous senior professional experience in mission-critical systems for the Spanish Public Administration, including long-term assignments for SEPE/SPEE and INSS.
Experience in mission-critical unemployment-benefit systems, including Natural/ADABAS online and batch development, Host processes with TSO, COBOL/CICS maintenance, incident management, technical-functional analysis and functional testing.
Analyst on the ASIA – International Healthcare Assistance project, fully developed in Natural/ADABAS. Responsibilities included application maintenance and evolution, analysis of development requests, workload-estimate review, software-delivery validation, promotion across environments and user support.
Additional senior project experience includes Banco de la Nación Argentina / BANADE, Banco Galicia, Nucleoeléctrica Argentina, Telecom, Telefónica and Consist Teleinformática (Software AG), across banking, energy, telecommunications and industry.
Our team contributes as a specialized technical partner in demanding SAP and Natural/ADABAS environments, supporting consulting firms, technology companies and business-critical legacy systems.
We collaborate with consulting firms and companies as a specialized SAP and Natural/ADABAS technical partner, supporting projects where additional expertise, flexibility or execution capacity is required.
If you would like to explore a potential collaboration or require technical support for SAP or Natural/ADABAS systems, feel free to contact us.
4GLARGENTINA OÜ
Tallinn, Estonia
Registration Number: 17399354
VAT Number: EE102857464
Email: info@4glargentina.ee
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