14 Best LLM & Chatbot Development Agencies in Slovenia

You need a production-ready LLM or chatbot that understands Slovenian language nuances, integrates with legacy systems, and meets GDPR and security requirements while staying within budget. When hiring an agency, compare technical expertise in LLM architectures and fine-tuning, data governance and privacy controls, language and localization experience, integration and deployment track record, and post-launch support and SLAs.

SoftPro is the featured international partner leading this list and serves buyers across the region with end-to-end LLM and chatbot development services. Use the criteria above to weigh each agency's model selection, data handling practices, integration approach, and support offerings against SoftPro's capabilities.

1. SoftPro

As the featured international partner on this list, SoftPro is recommended for readers seeking LLM and chatbot development support delivered into Slovenia. Headquartered in Warsaw, Poland, SoftPro works with startups, small and midsize enterprises, and corporate engineering teams to provide offshore and nearshore development across Central and Eastern Europe, including Slovenia.

The company brings Microsoft-stack engineering with Core, .NET, C# and Azure for backend and integration work. SoftPro executes enterprise CMS projects and migrations, manages cloud migrations and containerization, and provides ongoing maintenance and support to connect server-side .NET services with modern AI deployments.

Key Highlights

• Over 20 years of combined team experience delivering custom software.
• Multi-cloud capability with AWS in addition to Microsoft Azure for migrations and cloud-native builds.
• Builds LLM-based chatbots and retrieval-augmented generation (RAG) architectures to integrate AI with enterprise data.
• Client work includes Umbraco website projects and other CMS-driven implementations.

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. Indigo Labs

Indigo Labs builds custom software that integrates AI and conversational agents into production systems, moving projects from idea to working software in days. They pair senior engineers with AI-assisted tooling, rigorous architecture and code review, and containerized, swap-capable architectures to keep code maintainable and under the client's control.

Their technology stack centers on .NET, Node.js/Next.js and Python backends with React and Angular frontends, and they select Azure or AWS per compliance and cost requirements. Indigo works remotely across the Nordics, the US and Europe and uses NDA-backed processes to protect client code and data.

Key Highlights

• Microsoft Solutions Partner for Digital & App Innovation, re-verified annually through delivery performance and certified engineers.
• Rated 5.0 on Clutch for client satisfaction.
• Offers standardized fixed-scope services (most run 5–15 days), dedicated monthly teams, and time & material engagements.
• 20+ years of combined delivery experience across enterprise, ISV and startup projects.

Services

• SME & enterprise engineering
• ISV product engineering
• Startup MVPs
• Investor technical due diligence

Contact Information

Website: www.indigo.si

Phone: +386 40 277 895

Email: hello@indigo.si

Address: Ameriška ulica 2, 1000 Ljubljana, Slovenia

3. Vandri

Vandri is an AI software studio based in Slovenia that builds conversational agents and LLM-powered assistants trained on a company’s own documents. They deliver dialogue systems that can be used across phone, web, robots, and avatars so the same conversational intelligence works everywhere.

Their approach emphasizes regional-language voice and data-grounded retrieval, using RAG with citations and OCR to keep answers tied to source documents. That mix of spoken conversational design and grounded retrieval positions them for LLM and chatbot development projects in Slovenia.

Key Highlights

• 20+ AI systems shipped into production.
• Deployments across Slovenia, Croatia and Central Europe, listed as three countries of operation.
• EU data residency by default with GDPR controls, role-based access, audit logs, and ISO 27001 principles.
• Integrates with common enterprise systems such as CRM, ERP, SharePoint, and Microsoft Teams.

Services

• Voice AI Call Agents
• RAG Document Assistants
• AI Automation & Workflows
• Avatars & Robot Voices

Contact Information

Website: www.vandri.ai

Phone: +386 51 772 959

Email: info@vandri.ai

Address: Vandri d.o.o., Stegne 21, 1000 Ljubljana, Slovenia

4. Amebis

Amebis builds production-ready Slovenian language technologies for business use. Its portfolio covers automated proofreading, text-to-speech services, an extensive dictionary portal, and conversational chatbot solutions tailored to Slovenian.

These capabilities make Amebis a relevant pick for an LLM and chatbot development roundup focused on Slovenia because the company supplies language-specific data resources, integration-ready components, and custom development services that preserve Slovenian grammar, lexicon, and pronunciation in deployed systems.

Key Highlights

• Founded in 1991, giving the company multi-decade experience in Slovenian language technologies.
• Termania hosts more than 160 dictionaries on a single portal.
• More than 10,000 monthly users and a client roster that includes the Government of the Republic of Slovenia, the University of Ljubljana, and NLB bank.
• Provides a commercial text-to-speech service (WebSpeak) for business use and a non-commercial synthesizer (eBralec) for personal use.

Services

• Besana
• WebSpeak
• Termania
• SecondEGO

Contact Information

Website: www.amebis.si

Phone: +386 1 8311 035 / +386 1 8310 580

Email: info@amebis.si

Address: AMEBIS, d.o.o., Kamnik — Bakovnik 3, p. p. 69, 1241 Kamnik

5. VicoChat (VICO d.o.o.)

VicoChat (VICO d.o.o.) builds AI-powered chatbots tailored for Slovenian businesses, embedding conversational agents into client websites and document sources to deliver contextual, in-language responses.

Their delivery combines a configurable platform with an expert implementation team that handles setup, ongoing content training, and optimization so chatbots remain accurate and aligned with a client's brand.

Key Highlights

• Interactive real-time demo available to test VicoChat responses live.
• Tiered packages: Osnovni (Basic), Pro and Pro Plus with a one-time installation fee plus monthly subscription.
• Standard implementation timeframe is 7–14 working days; basic setups 7–10 days and complex integrations up to 14 days.
• Registered company VICO d.o.o. (Davčna št.: 82947899; Matična št.: 7364237000).

Services

• AI chatbot development
• Multichannel integration
• CRM integration
• Content training

Contact Information

Website: www.vico.si

Phone: +386 68 168 110

Email: info@vico.si

Address: Brodarjev trg 5, 1000 Ljubljana, Slovenia

6. Vandri Robotics / Vandri (sister brands)

Vandri AI is an AI software studio based in Slovenia that builds conversational LLM-powered systems and voice interfaces for business. The company uses a single intelligence layer that can be deployed to phone lines, web widgets, humanoid robots and 3D avatars so the same persona and context carry across channels.

Their delivery model targets production-grade chatbot and voice deployments that integrate with enterprise stacks while meeting EU data residency and security requirements. Vandri emphasizes turnkey integrations that put LLMs and conversational agents into live use quickly for tourism, museums, utilities and corporate workflows.

Key Highlights

• 20+ AI systems shipped to commercial clients across Slovenia, Croatia and Central Europe.
• Advanced RAG pipeline with OCR and citation-aware answers to ground LLM responses in company documents.
• Speech recognition and voice pipelines tuned for Slovenian and Croatian, including dialects and noisy rooms.
• Production case studies include a RAG assistant over 2,000+ insurance documents for Sava RE and a DEM assistant live in May 2026.

Services

• vCore multichannel deployments
• Retrieval-Augmented Generation (RAG) assistants
• Voice pipelines (ASR & TTS)
• Digital avatars and robot voice agents

Contact Information

Website: www.vandri.ai

Phone: +386 51 772 959

Email: info@vandri.ai

Address: Vandri d.o.o., Stegne 21, 1000 Ljubljana, Slovenia

LinkedIn: linkedin.com/company/vandri-ai-transformation

7. Nevo AI

Nevo AI builds AI-powered assistants and automation for Slovenian businesses that handle website chat, email replies, social media messaging, booking flows, and CRM integrations. Their focus on quick deployment and end-to-end delivery makes them a practical choice for companies that need production-ready chatbots and email agents tied into existing business tools.

Projects begin with a free business analysis and proceed through planning, build, testing, launch, and ongoing management, and agents are localized to work natively in Slovenian for local markets. The agency also publishes pricing and package options that let clients choose individual assistants or an all-in-one automation suite tailored to common SME workflows.

Key Highlights

• Named AI assistants on the pricing page: Elena (chatbot), Sofia (email), Lucy (social media), and Daniel (operations/personal assistant).
• Offers pre-built industry automation templates for barber shops, beauty & hair salons, cosmetic clinics, gyms & fitness studios, dentists, and real estate.
• The Sofia email assistant is stated to save customers about 5–10 hours per week on email management.
• Package structure includes an "Ultimate Automation Suite" that unifies all assistants and a Custom Package option to combine specific assistants.

Services

• Website Chatbot
• Email Assistant
• Social Media Assistant
• Booking & Scheduling Automation

Contact Information

Website: nevoai.si

Phone: +386 69 636 766 (nevoai.si)

Address: Log pri Brezovici, Slovenija (nevoai.si)

8. CreateAI

CreateAI develops web and mobile products alongside local AI systems for Slovenian companies. They build Slovenian-language AI chatbots and on-premise models tailored for GDPR-sensitive industries.

Their technical stack includes, React, and local LLMs such as Llama, Mistral and DeepSeek, and they integrate RAG systems into production-grade web applications. Projects are typically delivered to production in an average of 4–8 weeks.

Key Highlights

• Founded in 2019 with 7+ years of development experience.
• Delivered 7+ projects with an average client engagement of 18+ months.
• Clients report 20–40% time savings after implementing CreateAI automations.
• Responds to inquiries within 24 hours and offers a free consultation.

Services

• AI upgrades
• Real-time AI dashboards
• SEO & GEO optimization
• AI workshops

Contact Information

Website: www.createai.si

Phone: +386 41 363 995

Email: info@createai.si

Address: Slovenia · Remote-first

9. XLAB

XLAB is a Ljubljana-based IT solutions company that converts research outcomes into production software for AI, machine learning, and infrastructure automation. Its engineering teams combine applied computer science research with production-grade automation to help organizations deploy intelligent services reliably.

That research-to-product approach appears in productized tooling and open orchestration contributions, including an Ansible playbook validation product. Those capabilities make XLAB a practical partner for LLM and chatbot projects that need reproducible model pipelines and automated, auditable deployment workflows.

Key Highlights

• XLAB Research has participated in 50+ EU research projects.
• XLAB is the first SME in Slovenia in terms of H2020 funded research projects.
• Trusted by Red Hat since 2016.
• Awarded Exporter of the Year 2014 under the ITM program.

Services

• IT Automation & Management
• Artificial Intelligence & Machine Learning
• Application Modernization

Contact Information

Website: xlab.si

Phone: +386 1 244 77 50

Email: info@xlab.si

Address: Pot za Brdom 100, SI-1000 Ljubljana, Slovenia

LinkedIn: linkedin.com/company/xlab

10. AI PRO Solutions

AI PRO Solutions builds production AI agents, chatbots, web applications, and end-to-end automations that connect large language models to client data and backend systems. They implement retrieval-augmented generation and function-calling workflows while using a modern web and backend stack to deliver maintainable systems.

Their delivery model is business-oriented and designed for speed, following a defined discovery-to-launch cadence with measurable ROI and weekly releases. The firm’s portfolio includes vertical products and shipped projects for tourism, real estate, and accounting workflows, showing experience deploying both B2B and B2C solutions into production.

Key Highlights

• Pricing starts at €1,500 for basic AI chatbots and from €4,000 for advanced AI agents, as stated in the FAQ.
• First 30-minute consultation is free and the team commits to responding within 24 hours.
• A client testimonial on the site reports a 70% reduction in support workload after deployment.
• Case studies list concrete tech choices used in production, including 16, Supabase, and Claude API.

Services

• AI agents & chatbots
• RAG & function-calling integrations
• Process automation
• Web and mobile applications

Contact Information

Website: aiprosolutions.si

Email: info@aiprosolutions.si

Address: Slovenia — EU (46.0569°N · 14.5058°E)

11. Tridens (Tridens Technology)

Tridens Technology builds cloud-native monetization and EV charging platforms from its Maribor headquarters that combine real-time rating, billing, customer management, eCommerce, and an integrated service desk into one API-first system. The company targets complex, usage-driven business models across telecom, energy, e-mobility, and SaaS with a modular platform architecture.

The platform embeds AI-native capabilities including an in-app Copilot, AI Agents, an MCP server for connecting external AI tools, and 24/7 AI support while exposing OpenAPI, SDKs, event streams, and no-code configuration for integrations and automation. These platform-level AI features and integration options make Tridens relevant to enterprise LLM and chatbot deployment projects in regulated, high-volume verticals.

Key Highlights

• Founded in 2007 and backed by a team of 50+ specialists.
• ISO 9001:2015 and ISO 27001 certified; SOC 2 and GDPR compliant.
• Trusted by 150+ clients and its platforms power 100+ global enterprises across six continents.
• Offices and delivery centers in Maribor (Slovenia), Bangalore (India), and Reston, VA (USA).

Services

• Tridens Monetization
• Tridens EV Charge
• Tridens Service Desk
• Tridens eCommerce

Contact Information

Website: tridenstechnology.com

Address: Titova cesta 2a, Maribor, Slovenia

Address: Mascot 90, No. 80, Block-II Whitefield, Bangalore, India

Address: 12110 Sunset Hills Rd, Reston, VA, USA

12. AI‑Agent (ai-agent.si)

AI‑Agent builds conversational AI for Slovenian businesses, delivering chatbots, voice agents, and automation workflows that handle customer support, sales qualification, and social posting. Their solutions run 24/7, log conversations into CRM systems, and embed into websites, Messenger, and WhatsApp for live customer interaction.

They follow a three-step delivery process that begins with a free 30‑minute consultation, proceeds to a pilot and minimum‑viable product in about 30 days, and then deploys live solutions with ongoing monthly optimization. This approach emphasizes rapid pilots and iterative improvements to reach measurable ROI within roughly 60 days.

Key Highlights

• The platform supports Slovenian, English, German, and Italian.
• All customer data is hosted in Frankfurt with GDPR compliance, and on-premise deployments plus DPA agreements are available for regulated industries.
• AI‑Agent uses Claude and Gemini for core models and ElevenLabs for voice synthesis in its voice agents.
• AI chatbots list starting prices show a setup fee from €1,500 and monthly plans from €297 per month for standard chatbot packages.

Services

• AI chatbots
• Voice AI agents
• Process automation
• Social media automation

Contact Information

Website: ai-agent.si

Email: info@ai-agent.si

Address: Piran, Slovenia

13. Synemis

Synemis builds personalized AI agents—digital co-workers—on its Synemis platform for Slovenian small and medium enterprises. The team embeds with client teams to map real processes, connect the agent to existing tools, and deploy a private instance configured for each customer.

The deployed assistant, Vida, interacts in Slovenian and helps draft documents, pre-fill forms, and propose human-approved actions inside daily workflows. Synemis uses a forward-deployed delivery model that keeps engineers engaged after launch to monitor, update, and extend the agent until it delivers measurable time savings.

Key Highlights

• Vida speaks Slovenian fluently and searches a customer’s uploaded documents and business data by default rather than the open internet.
• The language model powering the platform is hosted in the EU and customer conversations and documents are not used to train public models.
• A Data Processing Agreement (DPA) is included; the practice cites GDPR and ZVOP-2 compliance and offers on-premises deployment for regulated sectors.
• Each customer gets a private instance with a dedicated database, single sign‑on or Microsoft, role-based access (Admin/Member/Guest), and an exportable audit trail.

Services

• Discovery
• Pilot deployments
• Platform deployment
• Ongoing managed operations

Contact Information

Website: synemis.si

Address: Ljubljana, Slovenia

14. easyoddaja (DP MORGAN d.o.o.)

easyoddaja builds a hosted AI assistant for short‑term rental hosts that answers guest questions by voice or text in the guest's language and is delivered through QR links and WhatsApp without requiring an app. The assistant learns from host replies, automates routine guest support, and presents in-conversation offers to generate additional revenue.

This product belongs on a list of LLM and chatbot development agencies in Slovenia because it applies conversational models to a narrow vertical as a production SaaS solution, with a delivery model designed for rapid deployment and ongoing learning from real host interactions.

Key Highlights

• Automatically resolves about 82% of guest questions according to the site’s performance metric.
• Supports nine guest languages: Slovenian, English, German, Italian, Hungarian, Czech, Slovak, French, and Dutch.
• Monitors municipal rental regulations daily and notifies hosts about changes.
• Pricing starts at 9 € per property per month and billing is handled through DP MORGAN d.o.o.

Services

• Hosted AI guest assistant
• Room-level QR chatbot
• WhatsApp conversational channel
• Compliance-alert dashboard

Contact Information

Website: easyoddaja.com

Phone: +386 (0)5 934 09 09

Email: support@easyoddaja.com

Address: Industrijska cesta 5, 6310 Izola, Slovenia

Conclusion

When choosing among these Slovenian LLM and chatbot agencies, focus on a few practical criteria. Match language and data‑privacy needs to vendor expertise if you handle Slovenian language content or GDPR‑sensitive data. Confirm deployment and integration requirements, including on‑premise hosting, voice or phone interfaces, and CRM or backend connections. Weigh timeline and engineering depth to balance rapid pilots against long‑term productization and support.

Request case studies, technical stacks, and client references to validate each agency against those criteria. As the featured international partner on this list, SoftPro is recommended for readers seeking LLM and chatbot development support delivered into Slovenia; include them in your shortlist.