Best SEO Agencies in Sofia (2026)

#1

Digital Expert Claimed

★4.5

Sofia, Bulgaria · Team 51-200 · 6 services · 43 reviews

Digital Expert (digitalexpert.bg) is a Bulgarian performance marketing agency dedicated to scaling e-commerce businesses. Founded in 2017 by digital marketer Stoyan Panayotov, the agency has serviced over 470 online storefronts and generated upwards of $25 million in revenue for its clients. Core Services: Paid Advertising: Campaign management across Meta Platforms (Facebook & Instagram Ads) and Google Ads tailored for high-intent customer acquisition. Conversion Rate Optimization (CRO) & SEO: Store UX design fixes, landing page optimizations, and search engine strategies engineered to turn traffic into purchases. Retention & Email Marketing: Automated lifecycle flows and email campaigns designed to boost repeat purchases and reduce cart abandonment. Strategic Consulting: Revenue-focused marketing roadmaps, ad-budget planning, and deep performance audits. Creative & Graphic Design: Custom visual assets and ad creatives optimized specifically for digital conversion. Operational Approach: Digital Expert centers its workflow on net profit and real return on investment (ROI/ROAS) rather than vanity metrics like reach or ad clicks. The team emphasizes transparent reporting, rapid execution, and active communication, acting effectively as an outsourced performance marketing unit for online merchants. Education & Mentorship: In addition to client agency work, Digital Expert leads the E-Commerce Mastermind program. The initiative offers structured mentorship, weekly strategy sessions, and operational frameworks tailored to active store owners seeking structured guidance on scaling their operations. Client Base: The agency works across diverse B2C sectors—including apparel, home improvement, footwear, and consumer goods

#2

Hop AI

★5.0

Sofia, Bulgaria · Team 11-50 · 3 services · 3 reviews

Hop AI – The AI-First Growth Agency for B2B SaaS, Cybersecurity & Lead Generation Hop AI helps ambitious technology and cybersecurity companies accelerate lead generation and recurring revenue (MRR) through AI-powered performance marketing and search growth. We merge human strategy with machine intelligence—blending creative insight, data science, and automation to build scalable, predictable systems for growth. Our core services include SEO, Generative Engine Optimization (GEO), PPC, Content Marketing, CRO (Conversion Rate Optimization), and Analytics. Founded in 2009 and based in Sofia, Bulgaria, Hop AI is a Google Ads Premier Partner and Moz-Recommended SEO company trusted by global B2B brands. We’ve evolved from a traditional agency into an AI-first consultancy, pioneering new approaches to visibility in both Google Search and large language models (LLMs). Our proprietary technology ecosystem drives this evolution: GEO Forge – our Generative Engine Optimization service designed to make brands discoverable, citeable, and trusted by both search engines and LLMs. GEO Forge operates through four integrated pillars:  - Base Forge – builds authoritative, structured knowledge bases;  - Content Forge – enables scalable, LLM-optimized content generation;  - Cite Forge (CITE) – online citations to strengthen brand authority;  - Signal Forge – monitors, measures, and optimizes LLM visibility and citation performance. CVEForge.ai – an AI-powered marketing engine that transforms emerging cybersecurity vulnerabilities (CVEs) into instant, high-intent lead generation campaigns, helping vendors capture demand in real time. At Hop AI, our core values—Transparency, Agility, and Partnership—guide everything we do. You’ll always have full visibility via ClickUp dashboards, collaborative communication, and data-driven decisions. We don’t just market for you. We engineer growth with you. Explore our client results → hoponline.ai/resultsRead more

#3

SQUARED Verified Claimed

Sofia, Bulgaria · Team 1-10 · 12 services

SQUARED Creative Agency is an award-winning creative agency dedicated to crafting excellence in communication. Specialized in advertising, content creation, and marketing strategy,SQUARED builds purpose-driven campaigns and digital experiences. The agency focuses on meaningful storytelling and sustainable performance to help brands connect with their audiences through innovative creative production.

#4

KIPLAR

Sofia, Bulgaria · Team 11-50 · 4 services

Experience the power of digital transformation with KIPLAR. We are a full-service digital agency that specializes in performance marketing. With our experienced team of professionals, we deliver measurable results and drive business growth through strategic and data-driven marketing campaigns. Key services we are really good at: PPC (Google Ads, Meta Ads, Microsoft Ads, Amazon Ads, TikTok Ads), Email marketing & CRM automation, Website conversion rate optimization, Search Engine Optimization. Websites:International - https://kiplar.agency/Ukraine - https://kiplar.com.ua/Bulgaria - https://kiplar.bg/    Read more

#5

ID - Digital Consulting

Sofia, Bulgaria · Team 11-50 · 5 services

We are highly skilled digital experts from various disciplines. Our multiyear experience across different industries and sectors lets us provide a comprehensive 360° digital strategy tailored to your business needs and the best solutions for any digital marketing challenge. Our services span the entire digital ecosystem, encompassing SEO, Data collection, Analysis, social media, PPC, and reporting. We are agile, highly competent, and technically skilled. We deliver measurable results while remaining fully transparent and responsible. Based on our unique knowledge of the digital tech stack, we deploy a high level of automation. Our top priority is to provide the best value to our clients by optimizing service costs. Honesty and objectivity are the cornerstones of our work, as we are fully dedicated and motivated to achieve our clients' success.  Read more

#6

Based in Sofia, AGMA Studio specializes in web development, design, and ecommerce solutions alongside digital marketing services including PPC and SEO. The 34 five-star reviews reflect their expertise in UX/UI design and comprehensive approach to online growth.