AI Agencies in Sofia, Bulgaria: Powering Tomorrow’s Innovations

Sofia’s buzzing as one of Europe’s hidden gems for tech, and it’s no surprise-Bulgaria’s capital has quietly built a powerhouse scene for artificial intelligence, blending sharp local talent with global ambitions. Picture this: a city where old-world charm meets cutting-edge code, and businesses from startups to giants are tapping into AI to sharpen their edge. The top agencies here aren’t just coding whizzes; they’re the ones turning raw data into real-world wins, like smarter supply chains or predictive tools that actually pay off. In a spot where over 140 IT outfits call home, these standouts shine for their knack at custom builds, from natural language processing that feels almost human to vision systems spotting flaws before they happen. Whether you’re eyeing automation for your ops or a deep dive into machine learning, Sofia’s elite providers deliver that mix of precision and creativity you didn’t know you needed-often at rates that beat Western Europe hands down. It’s the kind of ecosystem where innovation doesn’t just happen; it accelerates your whole game.

1. AI Superior

We run AI Superior from Germany with a client base in Sofia, focusing on building complete AI applications from the first chat to the final rollout. Projects usually start with digging into the actual business problem, checking what data exists, and then putting together web or mobile apps that lean on machine learning models we train ourselves. The work covers everything from quick prototypes to full-scale systems that slot into existing setups without causing chaos.

Our day-to-day involves a lot of computer vision work, natural language processing, predictive models, and big data analytics, plus the consulting side where we help companies figure out where AI actually makes sense. We also spend time on research when the task needs something fresh, and we run training sessions so internal staff can keep things moving once the project is live.

Key Highlights:

• End-to-end development of web and mobile AI applications
• Strong computer vision and NLP capabilities
• Incremental approach starting with discovery and MVP
• Presence in both Germany and Sofia
• Fixed-price packages for startups from PoC to product

Services:

• Custom AI software development
• Artificial intelligence consulting and assessment
• Computer vision and image processing
• Natural language processing solutions
• Predictive analytics and fraud detection
• Big data analytics and BI solutions
• Artificial intelligence training programs
• Research and development projects

Contact Information:

• Website: aisuperior.com
• Phone: +49 6151 3943489
• Email: info@aisuperior.com
• Address: Robert-Bosch-Str. 7, 64293 Darmstadt, Germany
• LinkedIn: www.linkedin.com/company/ai-superior
• Facebook: www.facebook.com/aisuperior
• Twitter: x.com/aisuperior
• Instagram: www.instagram.com/ai_superior

2. Ontotext

Semantic technologies form the core of what Ontotext does, drawing on knowledge graphs to connect scattered data and uncover patterns that might otherwise stay buried. Based in Sofia, the agency handles everything from consulting on strategies to managing GraphDB setups, all while weaving in elements like natural language processing and integration with large language models. This setup lets clients in fields like healthcare or finance sift through complex datasets without getting lost in the weeds, turning raw info into something actionable for decisions.

The approach here leans on tools that scale up for big loads, supporting queries in formats like SPARQL and RDF, plus visualization options that make graph relations easier to grasp. Ontotext also touches on metadata management and content analytics, often pulling from diverse sources to build out those interconnected graphs. It’s a methodical way to handle biomedical or manufacturing data, where precision in linking entities like genes or supply chains can shift how projects unfold.

Key Highlights:

• Focus on knowledge graphs for linking disparate data sources
• Expertise in GraphDB for scalable querying and visualization
• Integration of NLP and generative AI for enhanced analytics
• Support across industries including life sciences and financial services

Services:

• Strategy and technology consulting for semantic solutions
• GraphDB support and management
• Knowledge graph development and enrichment
• Content analytics and metadata handling

Contact Information:

• Website: www.ontotext.com
• Phone: +359 2 974 61 60
• Email: info@ontotext.com
• Address: 111R Tsarigradsko Shosse blvd., Synergy Tower, fl. 12, Sofia 1784, Bulgaria
• LinkedIn: www.linkedin.com/company/ontotext-ad
• Twitter: x.com/ontotext

3. Delogica

Processing text, images, code, and other info sits at the heart of Delogica’s work, where the agency applies AI to streamline how businesses handle everyday tasks. In Sofia, this means diving into areas like robotic process automation to mimic routine operations or using machine learning algorithms that draw from patterns to simulate human-like responses. The setup also extends to predictive tools that spot trends from historical events, alongside applications in education that tweak teaching methods based on data insights.

Being tied to AI Cluster Bulgaria adds a layer of collaboration, where Delogica contributes to broader ecosystem efforts while tackling projects in data science and robot tech. This involvement shapes how they approach client needs, often blending hardware and software to fit specific processing demands. It’s less about flashy overhauls and more about fitting AI into existing flows, whether for analyzing info streams or automating social media routines.

Key Highlights:

• Part of AI Cluster Bulgaria for ecosystem development
• Emphasis on modern software and hardware for AI processing
• Case studies in automation for social media and language models
• Focus on scalable solutions using generative AI and neural networks

Services:

• Robotic process automation for business tasks
• Machine learning for pattern imitation and learning
• Predictive analysis for future event forecasting
• AI applications in education and scientific challenges

Contact Information:

• Website: delogica.eu
• Phone: +359 892 990 970
• Email: sbonchev@icloud.com
• Address: Vrubnitsa 537 A1, Sofia, Bulgaria

4. InterConsult Bulgaria

Software development and consultancy anchor InterConsult Bulgaria’s operations, with a Sofia hub that’s been refining processes for clients across Europe and North America for years. The agency tackles cloud apps, mobile tools, and desktop setups that automate workflows, often pairing this with digital transformation efforts to smooth out organizational hiccups. In the AI space, strategists pinpoint spots where machine learning or deep learning can plug in, focusing on revenue angles rather than broad experiments.

This involves scanning industry-specific data for patterns via Industry 4.0 methods, or dipping into simulations and augmented reality for visual modeling. InterConsult Bulgaria sticks to platforms from trusted partners, ensuring apps run on-premise or hybrid without constant tweaks. The emphasis lands on practical impacts, like cost savings from precise decision tools or efficiencies in functional areas that used to drag.

Key Highlights:

• Long-standing partnerships with tech providers for reliable platforms
• Coverage of software for mobile, web, and desktop automation
• Use of simulations and AR for business modeling
• Strategies tailored to high-impact AI investments

Services:

• Software development for cloud and hybrid environments
• Digital transformation and process optimization
• Industry 4.0 data analysis for insights
• Augmented and virtual reality applications

Contact Information:

• Website: www.icb.bg
• Phone: +359 2 920 11 20
• Email: icb@icb.bg
• Address: 7, Indzhe Voivoda Str., 1309 Sofia, Bulgaria
• LinkedIn: www.linkedin.com/company/icb
• Facebook: www.facebook.com/InterConsultBulgaria

5. N-iX

Consulting on AI strategies starts with aligning enterprise goals to specific capabilities, where N-iX maps out opportunities for integration into core processes. This involves assessing data infrastructure and outlining roadmaps that cover deployment timelines along with change management. The focus falls on turning data into assets through governance practices that handle quality and security, all while fitting into existing setups without major overhauls.

Implementation draws from areas like generative AI for content tasks or computer vision for inspection needs, building modular systems with frameworks that link models to tools. N-iX handles everything from feasibility checks to full development, incorporating natural language processing for analysis or predictive models for trends. It’s a step-by-step process that evaluates outcomes against metrics, ensuring adjustments keep things on track for ongoing use.

Key Highlights:

• Emphasis on ethical AI with compliance in data handling
• Roadmaps for phased adoption from assessment to scaling
• Modular designs using agent-based workflows
• Integration of multimodal processing for varied data types

Services:

• AI strategy alignment and roadmap development
• Data architecture and governance setup
• Feasibility assessments for proposed solutions
• Design and build of custom AI models
• Generative AI for enterprise functions

Contact Information:

• Website: www.n-ix.com
• Phone: +17273415669
• Email: contact@n-ix.com
• Address: 51 Cherni Vrah Blvd, 1407 Sofia, Bulgaria
• LinkedIn: www.linkedin.com/company/n-ix
• Facebook: www.facebook.com/N.iX.Company
• Twitter: x.com/N_iX_Global

6. Vector Labs

Frameworks guide the progression from initial ideas to working prototypes at Vector Labs, where collaboration shapes applications around business specifics. Data scientists pair with engineers to test configurations, pulling in domain knowledge for things like churn models or recommendation setups. This builds toward production versions that feed on real-time inputs, linking outputs to systems like CRMs for direct impact.

Maintenance comes through monitoring pipelines that track accuracy and latency, adjusting for shifts in data or needs. Vector Labs stresses measurable elements in development, from cost controls to secure integrations that make insights usable in daily operations. Expertise spans forecasting tools alongside classification methods, all tuned to avoid common pitfalls in scaling.

Key Highlights:

• Structured phases covering POC to production deployment
• Collaboration integrating domain experts early
• Monitoring for model performance and adaptation
• Focus on secure, integrated outputs for processes

Services:

• AI strategy with maturity assessments
• Development from ideation to scalable apps
• Operations for pipeline orchestration
• Models for forecasting and optimization
• NLP and computer vision implementations

Contact Information:

• Website: vector-labs.ai
• Address: Sofia, Bulgaria, 40 Tsarigradsko shose Blvd
• LinkedIn: www.linkedin.com/company/vectorlabsai
• Facebook: www.facebook.com/vectorlabsai

7. Lexis Solutions

Full-stack approaches at Lexis Solutions weave AI into software via fine-tuning models with internal data, starting from system audits to spot fit points. Custom data handling pulls from scattered sources, structuring it through databases or scrapers to feed analytics that highlight patterns. This extends to workflow tweaks where automation handles repetitive steps, freeing up focus for higher-level tasks.

Projects often circle back to optimization, like embedding predictions into customer platforms or refining e-commerce flows with behavioral data. Lexis Solutions keeps things modular for growth, layering in generative elements for quick insights without constant rebuilds. The process leans on clear communication to match tech choices to workflows, resulting in setups that evolve alongside operations.

Key Highlights:

• Fine-tuning of models with business-specific data
• Data structuring from multiple sources
• Automation embedded in existing software
• Custom integrations for customer platforms

Services:

• AI consulting and strategy guidance
• Custom data solutions and workflows
• Web and mobile app development
• Full-cycle software with AI elements
• Business optimization via analytics

Contact Information:

• Website: www.lexis.solutions
• Phone: +359 898 548 929
• Email: deyan.denchev@lexis.solutions
• Address: 10 Bratya Chakrin Str, Vitosha District, 1113 Sofia, Bulgaria
• LinkedIn: www.linkedin.com/company/lexis-solutions
• Twitter: x.com/lexissol

8. Accedia

End-to-end development at Accedia incorporates AI alongside broader software needs, targeting areas like security through pattern detection in traffic. The setup evaluates infrastructure first, then prototypes models to test against real challenges, moving to deployment with built-in checks for reliability. This covers everything from vision tools for content analysis to language models that parse unstructured info.

Adoption breaks into defining needs, planning with risk scans, building algorithms, and evaluating for fit before going live. Accedia draws on a mix of tech stacks suited to requirements, blending machine learning with cloud elements for smooth scaling. It’s practical in scope, often applying to sectors where data volume demands automated handling without manual oversight.

Key Highlights:

• Prototyping to address specific operational issues
• Evaluation tied to performance metrics
• Blended tech for web, mobile, and analytics
• Focus on secure, anomaly-detecting systems

Services:

• Deep learning for real-time data classification
• Computer vision for content extraction
• Natural language processing for insights
• Predictive analytics from performance data
• Process automation for workflow visibility

Contact Information:

• Website: accedia.com
• Phone: +359 (2) 444 20 03
• Email: info@accedia.com
• Address: 13 Henrik Ibsen Str., 1407, Sofia, Bulgaria
• LinkedIn: www.linkedin.com/company/accedia
• Facebook: www.facebook.com/accediajsc
• Twitter: x.com/AccediaIT
• Instagram: www.instagram.com/accedia_jsc

9. Sigma Software

End-to-end support covers the full cycle from initial planning to live deployment at Sigma Software, where the focus stays on making AI part of regular operations instead of one-off experiments. This means setting up governance early, picking use cases that actually fit the business, and building platforms that connect to existing tools like Teams or Slack so people can use them without changing habits. The work often includes agentic systems that handle multi-step tasks on their own and corporate search setups that pull answers from scattered documents.

Practical pieces include prototyping to test ideas quickly, rigorous validation to catch issues before they matter, and security layers that protect against model attacks or data leaks. Sigma Software also runs training sessions so staff get comfortable with prompting and new workflows. Compliance with EU AI Act rules gets baked in from the start, which saves headaches later when things scale.

Key Highlights:

• Full-cycle support from strategy to production systems
• Agentic platforms integrated into daily tools
• Corporate search connecting internal knowledge sources
• Training programs for staff adoption

Services:

• AI strategy and advisory work
• Data governance and readiness checks
• Prototype development and validation
• Enterprise generative AI platforms
• AI compliance and cybersecurity measures

Contact Information:

• Website: sigma.software
• Email: info@sigma.software
• Address: bulevard “Cherni vrah” 51, 1407, Promishlena zona Hladilnika, Sofia, Bulgaria
• LinkedIn: www.linkedin.com/company/sigma-software-group
• Facebook: www.facebook.com/SIGMASOFTWAREGROUP
• Twitter: x.com/sigmaswgroup
• Instagram: www.instagram.com/sigma_software

10. Dreamix

Custom model building sits at the center of what Dreamix does, training everything on client data rather than public sets to keep results relevant. This shows up in recommender engines that study behavior patterns, vision systems for quality checks, or large-scale setups that process millions of transactions without slowing down. The process starts with figuring out where AI actually moves the needle, then moves to deployment that fits existing infrastructure.

Consulting helps map out budgets and priorities, while data science handles the heavy lifting of cleaning and structuring inputs. Dreamix leans toward agile delivery so changes don’t derail timelines, and onboarding happens fast because the same people stick around for the long haul. It’s straightforward work that aims to get measurable changes running quickly instead of perfect theoretical models.

Key Highlights:

• Models trained specifically on proprietary data
• Scalable architectures for high-volume processing
• Quick onboarding and agile adjustments
• Mix of consulting and hands-on development

Services:

• Custom AI and machine learning development
• Generative AI and RAG systems
• Computer vision for inspection tasks
• Recommender and deep learning solutions
• AI consulting and data science support

Contact Information:

• Website: dreamix.eu
• Phone: (+359) 884116309
• Email: business@dreamix.eu
• Address: Tintyava 15-17 Str., Sofia, Bulgaria
• LinkedIn: www.linkedin.com/company/dreamix-ltd
• Facebook: www.facebook.com/dreamix.eu
• Twitter: x.com/Dreamix_Ltd

11. Civitta

Practical implementations drive Civitta’s AI work, whether that’s object detection running on servers or motion recognition from video feeds. Process automation projects usually start with analysis of current workflows, followed by model training and rollout that replaces manual steps. The scope stays focused on things that deliver clear efficiency gains or better user experiences without overcomplicating setups.

A separate track helps Finnish companies tap specific funding for generative AI proofs-of-concept, handling everything from idea refinement to application paperwork and actual building. Past projects range from snow monitoring platforms to logistics hackathons, showing flexibility across environmental and business challenges. It’s the kind of grounded approach that gets tools into real use instead of staying on slides.

Key Highlights:

• Server and client-side computer vision processing
• Workflow analysis before automation rollout
• Support for funding applications in Finland
• Projects in environmental and logistics areas

Services:

• Computer vision and object detection
• Process automation planning and implementation
• Custom model training
• AI development with funding guidance

Contact Information:

• Website: civitta.com
• Phone: +40 722 316 036
• Address: Bulgaria, Tsaribrodska st. 94, Sofia, 1309
• LinkedIn: www.linkedin.com/company/civitta
• Facebook: www.facebook.com/civitta.int
• Twitter: x.com/CivittaX
• Instagram: www.instagram.com/civittainternational

12. App Streams

OpenAI integrations paired with tools like LangChain and ChromaDB form the backbone of App Streams’ AI implementations, often layered into mobile or web apps from the start. Backend setups use PostgreSQL and microservices so everything stays responsive even when query volumes climb. The same group that handles design and QA also tests how AI features actually behave for users, catching glitches early.

Development covers native iOS and Android alongside React-based web projects, with DevOps practices baked in from day one using Docker and AWS. UX work in Figma makes sure AI outputs feel natural rather than tacked on. It’s a compact operation where one delivery covers the full stack, which keeps communication simple and turnaround reasonable.

Key Highlights:

• Heavy use of LangChain and vector databases
• Native mobile and React web delivery
• DevOps integration from initial stages
• In-house design and quality assurance

Services:

• OpenAI and generative AI integration
• Mobile development for iOS and Android
• Web applications with React and TypeScript
• Backend systems and microservices
• UX/UI design and testing

Contact Information:

• Website: www.app-streams.com
• Email: info@app-streams.com
• Address: ul. Burel 1, Sofia
• LinkedIn: www.linkedin.com/company/app-streams-ltd
• Facebook: www.facebook.com/appstreamss
• Instagram: www.instagram.com/app_streams

 

Conclusion

Sofia’s AI scene feels a bit like walking into a workshop where everyone’s quietly building the future, no loud bragging, just real work getting done. You’ve got places that can spin up a computer-vision prototype in weeks, others that live inside massive data lakes and pull out patterns most people wouldn’t even know to look for, and a few that mix hardcore research with the kind of practical delivery that actually ships. What ties it all together is this straightforward attitude: people here solve problems first and worry about the hype later.

If you’re hunting for an AI partner in Bulgaria, the short version is this – the talent is deep, the rates still make sense compared to Western Europe, and the agencies are used to working remotely with clients all over the continent. Pick the ones whose past projects look closest to what you need, have that first call, and you’ll quickly figure out who clicks. The city’s become one of those spots where solid AI work just happens, day in, day out. Worth keeping on the radar.