Leading System Integration Companies in Lithuania

Companies expanding operations in Lithuania often struggle to stitch together ERP, CRM, and legacy systems while meeting local compliance, multi-vendor coordination, and language requirements. Buyers should compare technical expertise across integration platforms, sector-specific experience, security and compliance capabilities, project governance and delivery models, support and SLA arrangements, and verified client references.

SoftPro is the featured international partner leading this list and serves buyers across the region for system integration engagements. Evaluate SoftPro's portfolio, delivery approach, and reference projects alongside local providers to determine fit for timelines, budgets, and regulatory constraints.

1. SoftPro

As the featured international partner on this list, SoftPro leads cross-border system integration projects for Lithuanian enterprises, regional teams, and EU subsidiaries. The company suits mid-market and enterprise assignments that require platform migrations, ERP and CRM integrations, or end-to-end product builds delivered from its Warsaw headquarters into the Lithuanian market.

The team delivers enterprise .NET development with Core and C# and pairs that stack with Microsoft Azure for cloud engineering and migration work. SoftPro executes lift-and-shift and containerization strategies, manages enterprise CMS migrations, and provides long-term post-launch support and quality assurance for complex integration programs.

Key Highlights

• Over 20 years of combined team experience documented on the company site.
• Public case studies include work on an Umbraco website, CRM/HRM systems, a SaaS ETL platform, and a gamified community application.
• Cloud delivery spans Microsoft Azure and AWS for migrations, containerization, and managed infrastructure.
• Capabilities include AI integrations with large language models and retrieval-augmented generation architectures.

Services

• Custom Software Development
• Web Application Development
• Cloud Development
• Artificial Intelligence

Contact Information

Website: soft-pro.pl

Phone: +48 571 282 759

Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

LinkedIn: www.linkedin.com/in/kyrylo-o

2. NFQ Technologies (NFQ)

NFQ builds the digital systems behind businesses that need to move fast, scale smoothly and deliver without interruption. They combine modernisation, platform engineering and systems integration to link customer-facing products with PIM, ERP and cloud infrastructure.

NFQ’s work suits a system integration list because it focuses on commerce, logistics and travel platforms that require cross-system data flows and API orchestration. Their engineering experience with API-first and headless commerce stacks makes them a practical partner for Lithuanian firms needing enterprise integrations.

Key Highlights

• Founded in 2002 in Lithuania and grown into a multi‑market group with long-term enterprise delivery experience.
• Official cloud partnership with Amazon Web Services and repeated use of AWS services across client projects.
• Operates NFQ X as a dedicated Salesforce partner for implementation, integration and optimisation of Salesforce ecosystems.
• Reports 600+ staff and states $10B+ in gross merchandise value processed annually through platforms they’ve built.

Services

• Software Development
• IT Architecture and System Planning
• Infrastructure Services
• AI Services

Contact Information

Website: www.nfq.com

Email: info@nfq.lt

Phone: +3706 2075 779

Address: Brastos g. 15, LT-47183 Kaunas, Lithuania

3. Baltic Amadeus, UAB

Baltic Amadeus is a Lithuanian systems integrator and IT consulting firm that builds secure, compliant enterprise solutions across cloud, data, and digital channels for sectors including banking, telecoms, and public services. The company integrates data platforms, APIs, and digital front-ends to deliver end-to-end systems that connect legacy cores to modern analytics and user interfaces.

The firm delivers projects through multidisciplinary teams and DevOps deployment practices to modernize legacy platforms, implement data and AI platforms, and support regulatory readiness for EU digital and security requirements. Baltic Amadeus documents case studies across mobile banking, web portals, BI modernisation, and security engagements that demonstrate its systems-integration delivery model.

Key Highlights

• Baltic Amadeus is a Microsoft Solution Partner with badges for Data & AI and for Digital & App Innovation on Azure.
• The company holds ISO certifications including ISO 27001, ISO 9001, and ISO 14001.
• Baltic Amadeus provides Palantir consulting and Microsoft Fabric implementation as part of its data and analytics capabilities.
• The firm offers explicit EU compliance services covering NIS2, DORA, MiCA, CRA, and SEPA requirements.

Services

• Custom software development
• Data & AI implementation
• CISO as a Service
• Mobile banking applications

Contact Information

Website: www.balticamadeus.com

Phone: +370 52 780 400

Address: Lvivo str. 21A, LT-09313 Vilnius, Lithuania

4. Altabel Group

Altabel Group is a Vilnius-based software development firm that designs and integrates enterprise systems to connect services, APIs, and data pipelines. The company builds integration layers, middleware and backend platforms that enable multi-system workflows and automated data exchange.

Altabel delivers projects through multi-disciplinary engineering teams that cover architecture, implementation and operations for long-term integrations. This delivery approach and emphasis on system-to-system connectivity make the firm relevant for system integration work in Lithuania.

Key Highlights

• Site copyright lists 2007–2026, indicating the company has been operating since 2007.
• .NET/C#, Java, Python, Node.js and Golang are listed among the company’s backend technologies.
• The technologies page lists OpenAI GPT, TensorFlow and PyTorch as supported AI/ML tools.
• Cloud and DevOps tooling listed includes AWS, Azure, GCP, Docker, Kubernetes and Terraform.

Services

• Custom Software Development
• Dedicated Team
• Cloud & DevOps
• AI, ML & Data Solutions

Contact Information

Website: altabel.com

Email: contact@altabel.com

Phone: +370 6 0818914

Address: Vilkpedes 22, LT-03151, Vilnius, Lithuania

5. RichBrains (Rich Brains UAB)

RichBrains is an AI-powered software development company in Lithuania that builds web, mobile, and cloud applications for education and facilities management clients. The team executes end-to-end projects for eLearning platforms, LMS implementation, and application integration while aligning architecture and deployment through partnerships with AWS and Salesforce.

Its delivery approach emphasizes rapid starts, with projects kicking off within two weeks and an agile workflow that uses interactive prototypes during project discovery. RichBrains also markets a risk-free engagement model that lets clients evaluate services with transparency before committing to long-term agreements.

Key Highlights

• Built an LLM-powered AI chatbot for student support at the Toronto School of Management that integrates with the student portal.
• Developed an online repository of study materials that serves hundreds of thousands of files for global education providers.
• Delivered a SaaS platform for Sportskred to connect brands with athletes; the client later became a MassChallenge Switzerland 2017 finalist.
• Displays recognition badges on its website, including Clutch images and a Champion Award Badge.

Services

• Web Application Development
• eLearning
• Applications Integration
• LMS Implementation

Contact Information

Website: richbrains.net

Phone: +370 44 72 03 08

Phone: +44 20-3885-2877

Email: hello@richbrains.net

6. Aristek Systems

Aristek Systems is an EU-based software engineering firm headquartered in Vilnius that designs and integrates enterprise platforms by connecting legacy systems, APIs, and third-party tools into cohesive infrastructures. The company emphasizes architecture, delivery reliability, and governance to keep complex software ecosystems stable in production.

Aristek embeds AI components and production-ready traceability into existing technology stacks to move prototypes into reliable systems. Its approach pairs systems-level engineering with flexible engagement models so clients can scale engineering capacity without rebuilding core platforms.

Key Highlights

• ISO 9001:2015 certification (SMG).
• 160+ in‑house specialists across engineering and AI roles.
• Delivered an LMS that integrates with major US educational platforms and serves 10M+ registered users, 28K+ schools, and 3K+ districts.
• Launched an AI-focused R&D function in 2024 to validate AI hypotheses and test integration into real workflows.

Services

• System integration
• Platform engineering
• Data & AI
• Dedicated teams

Contact Information

Website: aristeksystems.com

Phone (Lithuania): +370 (5) 207 5658

Address (Lithuania): Lvivo g. 21A, Vilnius, LT-09313, Lithuania

Phone (USA): +1 (949) 620-0723

Address (USA): 2372 Morse Avenue, Ste. 607, Irvine, CA 92614

Email: sales@aristeksystems.com

Email: proposals@aristeksystems.com

7. Logicnord

Logicnord builds mobile, web, and AI-powered digital products and integrates them with backend systems and cloud infrastructure to support scalable SaaS and enterprise platforms. The company delivers API-driven solutions for fintech, logistics, telecommunications and retail that connect payment terminals, VAT reporting, ERPs and real-time GPS feeds into single operational systems.

Engineering practices emphasise clean architecture, scalable backend services and long-term support from product discovery through production operations. With more than 15 years operating from Vilnius and a track record of enterprise deployments, Logicnord fits the system-integration niche in Lithuania by converting multi-system workflows into production-ready platforms.

Key Highlights

• 200+ developed projects and 150k+ development hours listed on the official site.
• Enterprise VAT compliance platform handling 10M+ transactions monthly with 99.9% system uptime in production.
• AI-powered logistics platform that improved operational profitability by 5–10% for a European carrier.
• Multiple Top Clutch recognitions for 2026, including Top Clutch Artificial Intelligence Company Lithuania 2026 and category badges across cloud, Flutter and React Native.

Services

• Mobile app development
• Web development
• AI development services
• Custom software development

Contact Information

Website: logicnord.com

Email: info@logicnord.com

Address: Naugarduko 41, Vilnius, Lithuania

8. MeritStory (UAB MeritStory)

MeritStory (UAB MeritStory) is a Vilnius-based software company that designs and develops tailored digital platforms, mobile experiences, and e-commerce solutions for public and private sector clients.

The company emphasizes long-term maintainability and predictable total cost of ownership while delivering engagements through flexible team models and transparent scope, pricing, and timelines.

Key Highlights

• Site displays certification badges including Symfony Certified Developer, PMI-ACP, and PRINCE2.
• The homepage lists more than 200 successfully executed projects and over 102 clients.
• The company states it operates with a team of up to 30 professionals.
• Client logos on the site include NATO and Acuris.

Services

• Software Design & Development
• Mobile App Development
• Web & eCommerce Development
• Cloud & DevOps

Contact Information

Website: meritstory.com

Phone: +370 606 35919

Address: Perkūnkiemio g. 6-1, Vilnius, Lithuania

9. DIZIO

DIZIO designs, selects, implements, and maintains information technology solutions for organizations in Lithuania, covering information systems, data transmission networks, and IT infrastructure. The firm also offers cloud computing services and trades telecommunications and computer equipment.

DIZIO has operated since 2009 and has completed more than 1,000 projects, which demonstrates capacity for complex system integration work. Its delivery model covers consulting and design through deployment and ongoing technical maintenance to support long-term operations.

Key Highlights

• Maintains a portfolio of 250+ implemented IT systems.
• Serves more than 300 clients.
• Provides virtualization solution design and conducts IT audits and vulnerability assessments.

Services

• Information systems
• Data transmission networks
• IT infrastructure and virtualization
• Cloud computing

Contact Information

Website: dizio.lt

Phone: +370 614 44206

Address: P. Vileišio g. 6E-2, LT-10308 Vilnius

10. Sigli (formerly Cortlex)

Sigli is a Vilnius-based software development firm that turns complex technology stacks into integrated systems by combining cloud, data, and AI engineering with end-to-end product delivery. The company uses discovery-led architecture, CI/CD pipelines, and measurable delivery milestones to connect legacy platforms and modern services while reducing implementation risk.

Its published case studies include enterprise Salesforce rollouts, IoT-enabled logistics portals, and custom API integrations for 3D configuration providers, demonstrating hands-on system-integration experience across logistics, manufacturing, and SaaS. That combination of local presence in Lithuania and practical delivery experience makes Sigli a relevant option for organizations seeking system integrators who can both design architecture and execute full-stack implementations.

Key Highlights

• Founded in 2015, listed on the company homepage as “Expertise Since 2015”.
• 150 project implementations are cited on the homepage as completed by the firm.
• Registered in Lithuania as Sigli, UAB (Registration number: 306257613).
• Named among the Top 100 Entertainment Software Development Companies of 2025 by, per the company blog.

Services

• API Development
• Business Process Automation
• Team Augmentation
• QA on Demand

Contact Information

Website: sigli.com

Email: info@sigli.com

Address: A. Goštauto g. 40, LT-01112 Vilnius, Lithuania

Phone: +37060522384

Address: Sint-Pietersvliet 7, 2000 Antwerpen, Belgium

Phone: +32477252644

Address: Capital Office, 124 City Road, London, EC1V 2NX

Phone: +447458197211

LinkedIn: linkedin.com/company/sigli

11. 0g Baltics (0gBaltics)

0g Baltics designs and operates IoT infrastructure and smart solutions across Lithuania, Latvia and Estonia for cities, utilities, healthcare providers, logistics operators and commercial buildings. The company builds end-to-end deployments that combine multi-network connectivity with open-platform backends and managed device ecosystems.

0g Baltics delivers turnkey projects focused on measurable operational cost reductions and short payback timelines, and it emphasizes platform flexibility to avoid vendor lock-in and support seamless third-party integrations.

Key Highlights

• Authorized partner for TEKTELIC carrier-grade LoRaWAN gateways.
• Maintains legal entities and offices: 0g Baltics UAB (A. Goštauto g. 8-358, LT-01108 Vilnius), 0g Baltics SIA (Elizabetes iela 31-8, LV-1010 Riga), and E2 Technologies OÜ (Lõõtsa tn 5, 11415 Tallinn).
• Lists municipal and utility customers that include City of Riga, RIX Airport, Latvenergo, and the National Library of Latvia.
• States 15+ years of IoT experience, 10+ technology partners, and support for 100+ device types.

Services

• LoRaWAN Infrastructure
• Smart Metering
• Asset Tracking
• Smart Lockers

Contact Information

Website: 0gbaltics.com

Email: info@0gbaltics.com

Address (Lithuania): 0g Baltics UAB, A. Goštauto g. 8-358, LT-01108 Vilnius

Address (Latvia): 0g Baltics SIA, Elizabetes iela 31-8, LV-1010 Riga

Address (Estonia): E2 Technologies OÜ, Lõõtsa tn 5, 11415 Tallinn

12. Asseco Lietuva (UAB Asseco Lietuva)

Asseco Lietuva is a Lithuanian software development company within the Asseco Group that delivers large-scale IT projects and tailored information systems. The company builds solutions that integrate multiple enterprise applications to automate business processes.

Its delivery model covers the full application lifecycle from analysis and architecture to implementation, maintenance, and hosting. That end-to-end delivery model aligns with the needs of public institutions and regulated industries that require long-term integration and support.

Key Highlights

• Operating since 1991 (formerly known as Sintagma).
• ISO 9001, ISO/IEC 27001, and ISO 14001 certified.
• Reported turnover of €26 million in 2025.
• Team of over 250 employees, with more than 160 software specialists and about 85% of staff holding university degrees.

Services

• System integration
• Custom enterprise software
• Insurance management systems
• Hosting & infrastructure services

Contact Information

Website: lt.asseco.com

Phone: +370 5 210 2400

Email: info@asseco.lt

Address: V. Gerulaičio g. 10, 08200 Vilnius, Lithuania

Conclusion

When choosing a system integrator in Lithuania, prioritize fit to your project scale, cross-border experience, and relevant industry or regulatory knowledge. Also assess technical scope alignment (for example cloud, APIs, legacy integration, IoT, or AI), delivery model, reference projects, security and compliance posture, language and time-zone alignment, and the provider’s willingness to run a pilot engagement.
SoftPro is the featured international partner on this list and is a logical candidate when cross-border coordination and mid-market or enterprise scope matter. Use the criteria above to shortlist firms, request targeted case studies and references, and validate fit through a defined pilot before committing to a larger contract.