Businesses looking for database design expertise often need more than basic application development. The companies below cover areas such as database architecture, data modeling, cloud databases, modernization, integration, and data engineering, with European operations relevant to complex business systems.
1. Gilzor
Gilzor is a Poland-based custom software development company whose work includes backend engineering, database development, cloud infrastructure, and broader digital product delivery. For database-focused projects, this can suit businesses that need the data layer designed alongside a web application, mobile product, internal platform, or business system rather than as an isolated consulting engagement. The company's published service coverage also includes architecture, software development, QA, and ongoing maintenance.
Key Facts:
Best for: Startups and SMBs building or scaling custom software products
Database technologies: MySQL, PostgreSQL, MongoDB
Core services: Database design, custom software development, backend development, web and mobile development, QA, DevOps
Specialization: Product engineering and custom digital products
Location: Poland, Germany, Canada, and Cyprus
Notable strength: Database technologies are integrated into a broader full-cycle product development offering
ACCSoft Solutions focuses directly on bespoke relational databases and business systems for European SMEs, contractors, and service providers. Its offering includes relational database architecture, CRM and ERP-style systems, Excel data migration, and EU-based hosting. This makes the company particularly relevant when the project centers on replacing spreadsheet-driven workflows with a structured custom database.
Key Facts:
Best for: SMEs replacing spreadsheets with custom business databases
Core services: Relational database development, CRM, ERP, data migration, API integration
Specialization: Custom relational database systems
Industries: SMEs, contractors, and service providers
Location: Winterthur, Switzerland
Notable strength: Direct focus on operational databases and migration from Excel or CSV
A-listware is a strong fit for the topic because web development is an explicit part of its service offering. The company builds websites, web portals, e-commerce platforms, and web applications, and can handle the surrounding stages from business analysis and UX/UI through architecture, frontend and backend development, integrations, QA, and ongoing support. Its technology coverage includes Angular, React, Vue, Next.js, .NET, Java, Python, PHP, Node.js, and Go.
Key Facts:
Best for: Businesses needing custom websites, portals, web applications, or e-commerce platforms
Core services: Web development, web portals, e-commerce, UX/UI, integrations, QA, support
Specialization: Full-scale web application development
Location: St. Leonards-on-Sea, UK, with European development operations
Notable strength: Covers the complete web development lifecycle from requirements and architecture to support
Contact Information:
Website: a-listware.com
Phone: +44 (0)142 439 01 40
Email: info@a-listware.com
Address: St. Leonards-On-Sea, TN37 7TA, UK
LinkedIn: www.linkedin.com/company/a-listware
Facebook: www.facebook.com/alistware
4. Netguru
Netguru combines software development with a dedicated data engineering practice. Its services include data architecture, data platforms, storage and processing infrastructure, and pipelines that consolidate information from multiple sources. For projects where database design is part of a wider data strategy, the company can be relevant for teams planning analytics, real-time processing, or cloud-based data infrastructure.
Key Facts:
Best for: Data-intensive applications and scalable data platforms
Core services: Data engineering, data architecture, data platforms, data pipelines
Specialization: Scalable data infrastructure and data processing
Industries: Global enterprises and technology-driven businesses
Location: Poland and other international locations
Notable strength: Combines data architecture with broader software engineering capabilities
Contact Information:
Website: www.netguru.com
Email: hello@netguru.com
Address: ul. Małe Garbary 9, 61-756 Poznań, Poland
LinkedIn: www.linkedin.com/company/netguru
5. DEEP
DEEP provides database architecture consulting from Luxembourg, with services covering database analysis, design, optimization, modernization, and multi-cloud strategy. Its database specialists work across technologies including Oracle, SQL Server, PostgreSQL, MySQL, and managed cloud services. The company also addresses data lake and data warehouse architecture, which broadens its relevance beyond transactional application databases.
Key Facts:
Best for: Enterprise and critical database environments
Specialization: Enterprise database architecture and modernization
Location: France and Luxembourg
Notable strength: Database expertise spanning on-premises, cloud, and hybrid environments
Contact Information:
Website: www.deep.eu
Email: csc@deep.eu
Phone: +352 2424 4000
LinkedIn: www.linkedin.com/company/deep-eu
Facebook: www.facebook.com/DEEPbyPOST
6. OSKI
OSKI Solutions has a dedicated web development practice covering custom websites, web applications, portals, progressive web apps, landing pages, redesigns, re-platforming, headless CMS, and multi-site platforms. The company handles frontend, backend, APIs, databases, integrations, and deployment under one engagement. Its published work includes a university platform managing around 80,000 pages and an automotive multi-site project built with Next.js and headless Umbraco.
Key Facts:
Best for: Custom websites, web portals, web apps, and complex modernization projects
Notable strength: Experience with complex platforms, shared backends, SSO, APIs, and multi-site architectures
Contact Information:
Website: oski.site
Phone: +48571282759
Email: contact@oski.site
Address: Kaupmehe tn 7-120, 10114 Tallinn, Estonia
LinkedIn: www.linkedin.com/company/oski-solutions
7. Valletta Software
Valletta Software offers database development services covering custom design, development, migration, and optimization. Its published technology coverage includes PostgreSQL, MySQL, SQL Server, MongoDB, Redis, and vector databases, making it relevant to projects with a mix of traditional relational and newer AI-oriented data requirements.
Key Facts:
Best for: Modern applications and AI-oriented data systems
DataArt works across custom software engineering, data and analytics, cloud-native solutions, and solution architecture. Its data practice includes data modeling, integration, engineering, architecture, migrations, and cloud data warehouse implementation. With offices in locations including London, Munich, and Zug, it has an established European presence for larger organizations with complex data and software requirements.
Key Facts:
Best for: Enterprise data platforms and complex software systems
Core services: Data engineering, data architecture, data integration, cloud modernization, custom software development
Specialization: Enterprise data and software engineering
Project types: Data platforms, modernization, integrations, custom applications
Location: Multiple European locations
Notable strength: Database and data architecture can be combined with wider software engineering services
Contact Information:
Website: www.dataart.com
Email: uk-sales@dataart.com
Phone: +44 (0) 20 7099 9464
Address: 55 King William Street, 3rd floor, London, UK
LinkedIn: www.linkedin.com/company/dataart
Facebook: www.facebook.com/DataArt
Twitter: x.com/DataArt
9. OARC Digital
OARC Digital provides database design and data engineering services from Malta. Its published work includes domain modeling, entity relationship diagrams, schema design, indexing, migrations, and data pipelines into platforms such as Snowflake and BigQuery. This makes it a focused option for businesses that need to define both an application's operational database and its downstream analytics infrastructure.
Key Facts:
Best for: SaaS and operational platforms requiring schema and data pipeline design
Core services: Database design, domain modeling, indexing, migrations, data engineering
Industries: Fintech, iGaming, hospitality, SaaS
Location: Malta
Notable strength: Connecting application database design with analytics architecture
Contact Information:
Website: oarcdigital.com
Email: hello@oarcdigital.com
Phone: +35679711799
Address: Level 1, The Brewhouse, Zone 2, Central Business District, Mdina Road, Birkirkara CBD 2010, Malta
LinkedIn: www.linkedin.com/company/oarcdigital
Facebook: www.facebook.com/people/Oarc-Digital
Twitter: x.com/oarcdigital
Instagram: www.instagram.com/oarcdigital
10. SoftPro
SoftPro is a Poland-based software development company with experience in complex project architecture and database development. Its technical leadership includes expertise in SQL and database development, while the company's wider work covers custom software, cloud development, AI integrations, and infrastructure management. It can be a relevant fit where database engineering needs to sit inside a broader Microsoft or enterprise software environment.
Key Facts:
Best for: Business systems and information-heavy applications
Core services: Custom software development, CRM and HRM development, integrations
Specialization: Data-intensive business and public-sector systems
Location: Poland
Notable strength: Experience structuring fragmented business data into usable software systems
Contact Information:
Website: soft-pro.pl
Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401
11. Deveit
Deveit provides software development and design services and has published experience with database setup, production database migration, infrastructure modernization, and application integrations. Its work is particularly relevant to teams that already have an application or infrastructure environment and need database changes handled alongside broader modernization and DevOps work.
Key Facts:
Best for: Web and application projects that include database and infrastructure work
Core services: Custom software development, web development, application development, database setup, infrastructure support
Specialization: Application development with integrated database and infrastructure services
Location: Poland
Notable strength: Database work can be handled alongside application deployment and infrastructure modernization
Contact Information:
Website: deveit.com
Email: info@deveit.com
Phone: +48 725 814 408
LinkedIn: www.linkedin.com/company/deveit
Facebook: www.facebook.com/DeveitCompany
Instagram: www.instagram.com/deveitcompany
12. Net Devs
net-devs focuses on enterprise software development, with modern frontend engineering forming an explicit part of its technical offering. Its frontend stack includes React, Angular, Vue, and TypeScript, while backend work covers .NET, JVM technologies, Node.js, Python, and Go. The company also provides cloud and platform engineering on AWS, Azure, and Google Cloud. This makes it better suited to technically demanding web applications and enterprise platforms than simple brochure websites.
Key Facts:
Best for: Enterprise web systems and technically complex applications
Core services: Enterprise development, frontend development, AI engineering, cloud and platform engineering
Technologies: React, Angular, Vue, TypeScript, .NET, Node.js, Python, Go
Cloud platforms: AWS, Azure, Google Cloud
Location: Warsaw, Poland
Notable strength: Senior-led engineering across frontend, backend, cloud, and AI
Contact Information:
Website: net-devs.com
Email: contact@net-devs.com
Phone: +48 571 282 759
Address: Obrzeżna 1D, 02-691 Warszawa, Poland
LinkedIn: www.linkedin.com/company/net-devs
13. Itexus
Itexus provides custom software engineering with particular experience in backend systems, APIs, integrations, and database technologies. Its published technical coverage includes relational, non-relational, and graph database systems, while its project work is especially relevant to regulated and transaction-heavy industries.
Key Facts:
Best for: Fintech and financial software requiring complex backend architecture
Zorix Systems serves European organizations with enterprise software development and architecture services. Its European operations include a Berlin presence, while its approach addresses EU data residency, cloud architecture, documented processing, and enterprise system design. It can be relevant for database and data architecture projects where infrastructure, governance, and regulatory requirements need to be considered together.
Key Facts:
Best for: EU organizations with enterprise architecture and data residency requirements
Specialization: Enterprise systems and EU-focused architecture
Location: Berlin, Germany, with UK operations
Notable strength: Combines software architecture with EU data residency and governance considerations
Contact Information:
Website: zorixsystems.com
Email: Sales@zorixsystems.com
Phone: 07735 447845
Address: 7 Bell Yard, London, England, WC2A 2JR
15. 21century.tech
21century.tech is an AI-native software studio focused on rapid production software development. The company combines senior engineering with AI-assisted development, using Claude for code generation, testing, documentation, and refactoring while keeping architecture, business logic, code review, QA, and security decisions under human control. Its services cover MVPs, landing pages, full-stack features, legacy refactoring, and third-party integrations, making it relevant to web development projects that prioritize fast delivery. The company currently lists Miami and a remote-first operating model, so it is best presented as a Europe-serving option rather than a company headquartered in Europe.
Key Facts:
Best for: Startups and businesses that need web products or MVPs delivered quickly
Core services: Web and full-stack development, MVP development, landing pages, legacy refactoring, third-party integrations
Specialization: AI-assisted software development with senior human oversight
Development approach: AI-augmented engineering with human-reviewed code
Project types: MVPs, full-stack features, refactoring, integrations, production software
Location: Miami, USA, with a remote-first operating model
Notable strength: Combines senior engineering decisions with AI-assisted implementation to shorten development timelines
Contact Information:
Website: 21century.tech
Email: kirill@oski.site
Conclusion
The right database design company depends on the scale and complexity of the system you need to build. Some businesses may require a focused partner for schema design, data modeling, migration, or database optimization, while others need database architecture as part of a larger custom software, cloud, or data engineering project.
When comparing database design companies in Europe, consider the technologies they work with, their experience with systems similar to yours, data security and compliance requirements, and their ability to support future growth. A well-designed database can make an important difference in application performance, maintainability, scalability, and long-term development costs.
