What MAX Digital does

MAX Digital is a digital marketing agency headquartered in Sofia, Bulgaria, operating under the legal entity Katerina 7 OOD (EIK/BULSTAT 204981218). The firm was founded around 2014 and provides SEO services, paid online advertising (PPC across Google, Meta, and TikTok), performance marketing, web development, web and business analytics, and branding and design services. Its core clientele consists of SMB businesses in Bulgaria, supplemented by international clients, with case studies spanning health, psychology, industrial, fashion, agriculture, healthcare, automotive, beauty, and consulting verticals. The agency claims experience managing projects involving over 10 million pages in Google and serving more than 100 businesses with PPC advertising, and it operates on a sales-led, inquiry-based go-to-market motion combining subscription engagements (Performance SEO MAX, Performance Ads MAX) with one-time project work.

The agency's technology foundation consists of industry-standard third-party tools — Ahrefs, Serpstat, Screaming Frog, Netpeak Software, Google Analytics, Google Tag Manager, Bing Webmaster Tools, Cloudflare, Google Search Console, and Microsoft Clarity — overlaid by a proprietary service catalogue of first-party SEO, PPC, and web development capabilities. Notable productized offerings include the Performance SEO MAX and Performance Ads MAX subscription packages, a first-in-Bulgaria Glovo marketplace store optimization service, and influencer marketing management. The firm has accumulated certifications and awards across Clutch (TOP SEO, PPC, Technical SEO, International SEO, Magento SEO, Shopify SEO Bulgaria), TechBehemoths Global Excellence Awards 2025 in three categories, Forbes Innovation Forum & Awards 2025 participation, and Site of the Year distinctions in 2023, 2024, and 2025.

MAX Digital is privately held and founder-led by CEO Borislav Donchev, with no disclosed institutional investors, funding rounds, or external parent. The agency completed its first disclosed M&A transaction in 2024, acquiring Reviewly (a review management platform) and retaining it as a sub-brand. Headcount is reported at 1-10 employees, and revenue is not publicly disclosed. The firm markets internationally through its website and has positioned itself through consecutive regional and global award recognitions between 2023 and 2025.

Name

MAX Digital

Legal name

Катерина 7 ООД (Katerina 7 OOD)

Website

https://maxdigital.bg

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Short description

MAX Digital is a Sofia, Bulgaria-based digital marketing agency providing SEO, PPC, performance marketing, web development, and analytics services to SMB clients domestically and internationally, operating through subscription and project-based engagements.

Ownership category

akta.pro rank

Headquarters

HQ city

Sofia

HQ country

Bulgaria

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Marketing or Sales, Operations, Technology or R&D

Revenue model

1. SEO Services: Subscription-based and one-time SEO services including Performance SEO, SEO Audit, Local SEO, App Store Optimization, SEO during development, SEO Monitoring, SEO Migration, Link Building, and SEO Copywriting.
2. PPC/Online Advertising: Paid advertising management for Google Ads, Meta (Facebook/Instagram), and TikTok, offered as both subscription and one-time services. Includes Performance Ads MAX subscription service.
3. Web Development: Website creation services including online stores, business websites, landing pages, and mobile applications with built-in SEO optimization.
4. Performance Marketing Services: Conversion Rate Optimization (CRO), Influencer Marketing, Startup Marketing, and Glovo Store Optimization services.
5. Web and Business Analytics: Customized and detailed analyses with clear presentation of results.
6. Branding and Design: Brand identity creation, logo design, and graphic design services through partners.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

MAX Digital is a Bulgaria-based digital marketing agency that provides SEO, pay-per-click (PPC) advertising, performance marketing, web development, analytics, and branding services. The agency executes and manages digital campaigns for businesses, with an emphasis on integrated online marketing execution and measurable performance outcomes for clients.

Product overview

MAX Digital is a digital marketing and advertising agency offering a comprehensive suite of services organized around three core pillars: SEO Services (including Performance SEO, SEO Audit, Local SEO, ASO, SEO During Development, SEO Monitoring, SEO Migration, Link Building, and SEO Copywriting), Online Advertising/PPC (including Performance Ads, Meta Ads, and Google Ads), and Performance Marketing Services (including CRO, Glovo Optimization, Influencer Marketing, and Startup Marketing). The agency also provides Web Development and Branding & Design services. Their portfolio includes a proprietary Performance SEO subscription service as the flagship offering, supplemented by one-time audit services and subscription-based advertising management. The agency operates from Sofia, Bulgaria, and serves clients across various industries including e-commerce, healthcare, and professional services.

Differentiator

Problem solved

Functional benefit

Brands

• Reviewly: Review platform that continues as part of MAX Digital after acquisition

Quantifiable outcome

• 609% organic traffic growth for Psysense.bg
• +4 more outcomes

Named customers10 records

Segments5 records

Ideal customer profiles2 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration22 records

Feature4 records

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• KlientBoost: US digital agency focused on PPC, CRO, and SEO for SaaS and e-commerce clients. Overlaps directly with MAX Digital's Performance Ads and CRO services and targets a similar growth-stage digital business segment, making it a useful peer for pricing and packaging comparisons.
• Foxtail Marketing: US-based digital marketing agency offering SEO, PPC, and web design for small and mid-market e-commerce businesses. Comparable to MAX Digital in target segment (SMB e-commerce) and service mix, providing a relevant cross-regional benchmark for performance marketing positioning.

Broad incumbents

• Brainlabs: International digital media and performance marketing agency strong in paid search/programmatic, SEO, and analytics. Overlaps with MAX Digital's PPC (Performance Ads) and SEO offerings but serves larger global brands and is data-led at a different scale.
• Wolfgang Digital: Award-winning Irish digital marketing agency offering SEO, PPC, content, and analytics with strong e-commerce focus. Overlaps in service mix and SMB/mid-market e-commerce target customers, providing a useful international benchmark for MAX Digital's positioning.
• Croud: Global digital marketing agency combining paid media, SEO, content, and CRO with proprietary technology. Comparable across Performance Ads, SEO, and CRO service lines but with a global enterprise client base rather than Bulgarian SMB concentration.
• Publicis Groupe: Global advertising and marketing services holding company offering SEO, paid media, content, and analytics through agencies like Publicis Sapient and Performics. Operates far above MAX Digital's scale but competes for the same category of marketing budgets at larger clients.
• Performics: Global performance marketing agency within Publicis focused on paid media, SEO, and conversion optimization. Directly comparable to MAX Digital's Performance Ads and CRO services but with multinational enterprise clients and a vastly larger team.
• OMD Worldwide: Omnicom's global media agency network providing paid media planning/buying, SEO, and analytics. Overlaps with MAX Digital's paid advertising and SEO offerings but operates at holding-company scale serving the world's largest advertisers.
• Jellyfish: Global digital marketing agency spanning media, SEO, content, and analytics with major brand clients. Comparable in service mix (SEO + paid media + content + analytics) but operates at enterprise scale across multiple geographies rather than focusing on Bulgaria and SMBs.

Direct peers

• Netpeak: Largest Bulgarian-origin digital marketing agency offering SEO, PPC, web analytics, and proprietary Netpeak Software tooling. Closest direct competitor with overlapping service mix, target SMB/mid-market clients, and a Bulgarian headquarters—directly competes for the same clients and awards (notably Clutch TOP designations in Bulgaria).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks7 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/maxdigital.bg
• LinkedInlinkedin.com/company/maxdigital-bulgaria
• Instagraminstagram.com/maxdigital.bg
• TikToktiktok.com/@maxdigital.bg
• Pinterestpinterest.com/maxdigitalbg

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about MAX Digital