10 Best LLM & Chatbot Development Agencies in Bulgaria

When engaging a development agency for large language model and chatbot projects, companies must evaluate technical expertise, experience with natural language processing, and the ability to deliver scalable solutions tailored to diverse business needs. SoftPro serves as an international partner with capabilities spanning these requirements, operating across Bulgaria and the wider region. Assessing agencies on their innovation approach, client collaboration, and integration support is essential for effective chatbot deployment and ongoing AI model development.

1. SoftPro

SoftPro is a leading software development agency specializing in custom solutions that drive business growth and efficiency. With a focus on modern technologies, they offer dedicated software development services tailored to meet the unique needs of each client.

Their expertise spans full-stack development, cloud-based applications, and artificial intelligence, ensuring scalable and reliable software for businesses of all sizes.

Key Highlights

• Specializes in full-stack development, cloud-based applications, and artificial intelligence.
• Utilizes modern technologies such as React, Node.js, AWS, and Microsoft Azure.
• Offers dedicated software development services tailored to each client's unique needs.

Services

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

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. MaxSoft

MaxSoft is a software development company based in Sofia, Bulgaria, specializing in AI-driven solutions and mobile applications. They design and deliver scalable mobile, backend, and automation systems that help businesses operate smarter and grow faster. Their expertise spans AI development, mobile app development, and custom software solutions, making them a suitable choice for LLM and chatbot development projects.

Key Highlights

• Founded in 2014, MaxSoft has developed over 30 production-ready applications and collaborated with more than 28 business clients.
• They offer AI agents, workflow automation, smart assistants, and chatbot systems, including Viber ChatGPT chatbots.
• Their mobile app development services include native iOS and Android applications, as well as backend-integrated mobile systems.
• MaxSoft provides computer vision and recognition systems, such as license plate recognition (LPR) and OCR solutions.

Services

• AI Development & Integration
• Mobile App Development
• Custom Software Development
• Automation & System Integration

Contact Information

Website: maxsoft.bg

Phone: +359 876 862 015

Email: office@maxsoft.bg

Address: Business Center South Side, 38 Ralevitsa street, 1618, Sofia, Bulgaria

LinkedIn: linkedin.com/company/maxsoftbg

3. Noblix

Noblix is an AI solutions company based in Sofia, Bulgaria, specializing in developing production-ready AI assistants, voice systems, and finance tools. They focus on creating custom AI solutions tailored to each client's specific needs, ensuring rapid deployment and measurable impact. Their services are designed to integrate seamlessly with existing business processes, enhancing efficiency and productivity.

Key Highlights

• Over 50 AI solutions deployed across various industries.
• Average deployment time of 30 days for AI solutions.
• Achieved 24/7 AI uptime for clients.
• Saved clients over 12,000 hours monthly through AI automation.

Services

• AI Assistants
• AI Finance Solutions
• AI Voice & VoIP Solutions
• Custom AI Development

Contact Information

Website: noblixltd.com

Email: operations@noblixltd.com

Address: Sofia, Bulgaria

4. CloudSource

CloudSource is a Sofia-based AI studio specializing in designing, developing, and deploying custom AI agents that integrate seamlessly across various communication channels, ticketing systems, databases, and APIs. Their expertise lies in creating multi-agent orchestration systems that enhance business processes by automating tasks such as meeting intelligence, task management, insight tracking, and communication summarization. This approach allows businesses to streamline operations and improve efficiency.

The company operates over 12 production systems, covering more than 10 communication channels, and maintains a 97.6% task-completion success rate across live agents. Their services are tailored to meet the specific needs of each client, ensuring that the AI solutions are both effective and aligned with business objectives. By focusing on practical applications of AI, CloudSource delivers solutions that are both innovative and grounded in real-world business requirements.

Key Highlights

• Operates over 12 production systems with a 97.6% task-completion success rate.
• Covers more than 10 communication channels, including Teams, Slack, and Telegram.
• Provides services such as Business Process Automations, Software Integrations, Fine-Tuning LLMs, Computer Vision Models, Client Facing Chatbots, and AI training for teams.
• Offers two delivery models: Cloud API and local LLM hosting, allowing clients to choose based on data, compliance, and cost considerations.

Services

• Business Process Automations
• Software Integrations
• Fine-Tuning LLMs
• Computer Vision Models

Contact Information

Website: cloudsource.bg

LinkedIn: https://www.linkedin.com/company/cloudsourcebg/

5. Saitami

Saitami is a Bulgarian software company specializing in custom software development, including ERP and CRM systems, as well as AI-powered solutions. They offer AI chatbots that provide 24/7 customer support, automatic lead generation, and integration with websites and CRM systems. Their AI agents can automate tasks such as email triage, PDF and invoice reading, and internal knowledge base assistance, enhancing business efficiency.

Key Highlights

• Develops AI chatbots for 24/7 customer support and lead generation.
• Integrates AI agents into existing business systems like ERP and CRM.
• Offers AI automation for tasks such as email triage and document processing.
• Provides custom software development with client-owned code and data.

Services

• AI Chatbot Development
• AI Automation for Business
• Custom Software Development
• ERP and CRM Systems

Contact Information

Website: saitami.bg

Phone: +359 87 657 3915

Email: info@saitami.bg

Address: Sofia, Bulgaria

LinkedIn: linkedin.com/company/saitami-bg

6. Gorosoft

Gorosoft Ltd. is a Bulgarian B2B software company specializing in custom software development, AI integrations, and industrial monitoring systems. Founded in 2025 and headquartered in Sofia, the company serves businesses across Bulgaria and the European Union, focusing on delivering tailored solutions that address real business challenges.

Key Highlights

• Founded in 2025, Gorosoft Ltd. is a Bulgarian B2B software company headquartered in Sofia.
• The company specializes in custom software development, AI integrations, and industrial monitoring systems.
• Gorosoft Ltd. serves businesses across Bulgaria and the European Union, focusing on delivering tailored solutions that address real business challenges.
• The company emphasizes direct collaboration with clients, avoiding intermediaries like account managers or offshore handoffs.

Services

• Custom Web Applications
• AI Integrations
• Industrial Monitoring Systems
• DevOps and Infrastructure Solutions

Contact Information

Website: gorosoft.com

Phone: +359 88 583 1681

Email: info@gorosoft.com

Address: ж.к. Младост 2, Търговски център РУМ, офис 10, 1799 Sofia

LinkedIn: https://www.linkedin.com/company/gorosoft-ltd/

7. Valchy AI

Valchy AI is a leading AI agency in Bulgaria, specializing in developing chat, voice, and email agents to automate up to 80% of customer support processes. They deploy intelligent assistants across platforms such as websites, WhatsApp, Facebook Messenger, Instagram, and mobile apps, enabling businesses to enhance customer engagement and operational efficiency. Their solutions are designed to handle high volumes of repetitive interactions, allowing human teams to focus on more complex tasks.

Key Highlights

• Achieved 48% customer support automation for Transcard, Bulgaria's first credit card company.
• Reduced customer support workload by 57% for Pulse Fitness, the largest fitness chain in Bulgaria.
• Decreased call volume by 90% for Zarimex, a Bulgarian hunting and firearms retailer.
• Developed AI agents capable of handling conversations in Bulgarian, English, and other languages.

Services

• Chatbot Agents
• Email Agents
• Voice Agents
• Custom Web & AI Development

Contact Information

Website: valchy.ai

Phone: +359 24 37 33 71

Email: contact@valchy.ai

LinkedIn: https://www.linkedin.com/company/valchyai

8. AsiaDigital

AsiaDigital is a Bulgarian company specializing in AI-driven automation solutions for enterprises. They develop AI agents, including chatbots, voice assistants, and workflow automation tools, designed to integrate seamlessly with existing systems like CRMs, helpdesks, and telephony services. Their focus is on delivering measurable ROI through secure and efficient AI implementations.

Key Highlights

• Offers omnichannel chat agents supporting web, WhatsApp, and Telegram.
• Provides voice agents compatible with phone systems, SIP/PBX, and Twilio.
• Develops workflow automation agents for tasks like email processing and API integrations.
• Emphasizes security with features like SSO, audit logs, and data residency options.

Services

• Chat Agents
• Voice Agents
• Workflow Automation Agents

Contact Information

Website: asiadigital.bg

Email: info@asiadigital.bg

Phone: +359 887 788 414

Address: Fuli Center, Plovdiv — Floor 3, No. 5

9. The B Team

The B Team is an AI development company based in Sofia, Bulgaria, specializing in enterprise-grade software engineering and AI-powered automation. Established in 2009, they have been delivering architect-led solutions to clients across the United States and Europe.

Their services include hand-crafted development, agentic AI development, workflow automations, and AI company upgrades. The B Team's focus on AI-driven solutions and their extensive experience in software engineering make them a suitable choice for LLM and chatbot development projects.

Key Highlights

• Established in 2009, The B Team has over a decade of experience in AI development.
• They offer AI-powered automation services, enhancing operational efficiency for clients.
• The company serves clients across the United States and Europe, demonstrating a broad international reach.
• Their services include agentic AI development, focusing on creating autonomous AI systems.

Services

• Hand-Crafted Development
• Agentic AI Development
• Workflow Automations
• AI Company Upgrade

Contact Information

Website: thebteam.com

Phone: (929) 470-2550

Email: info@yourbteam.com

Address: ul. Milevska Planina 20, 1421 g.k. Lozenetz, Sofia, Bulgaria

LinkedIn: linkedin.com/company/the-b-team

10. DIGITALAGENT.BG

DigitalAgent.bg specializes in AI-driven business automation, focusing on developing intelligent AI agents and automated processes to enhance operational efficiency. Their solutions integrate seamlessly with various business systems, including CRM and ERP platforms, to streamline tasks such as sales, customer support, and internal operations.

Key Highlights

• Offers AI agents capable of automating repetitive tasks, leading to significant time savings.
• Provides integration with over 500 tools, including CRM and ERP systems.
• Delivers AI solutions that operate 24/7, ensuring continuous business operations.
• Develops AI agents that understand context and provide intelligent, personalized solutions.

Services

• AI Customer Support Agent
• Voice AI Agent
• E-commerce AI Agent
• Real Estate AI Rag Agent

Contact Information

Website: digitalagent.bg

Address: 19 Stefan Stambolov Str., Parvomay, Bulgaria

LinkedIn: https://www.linkedin.com/company/digitalagentbg

Conclusion

When selecting a Bulgarian agency for LLM and chatbot development, consider your specific project needs such as the desired AI features, integration requirements, and industry focus. SoftPro, featured here, offers tailor-made software solutions that may suit businesses seeking custom development with a focus on growth and efficiency. Review each agency's expertise in AI-driven solutions, scalability, and automation to find a partner aligned with your operational goals and technical demands.