Sumax

What Sumax does

Sumax (legal entity: Reknova GmbH, HRB 26626, registered in Dortmund) is a privately held, full-service digital marketing agency founded in 2004 and headquartered in Dortmund, Germany. The firm operates from at least nine regional offices — Berlin, Hamburg, Hannover, Köln, München, Nürnberg, Stuttgart, and Bremen alongside Dortmund — and serves enterprise and SMB clients in both B2B and B2C segments. Its service catalogue spans technical and on-page SEO, Google Ads/SEA management, social media marketing (including TikTok and LinkedIn), content marketing and creation, conversion and landing-page optimization, linkbuilding, Amazon SEO, international SEO with native-speaker European coverage, and a dedicated GEO (Generative Engine Optimization) practice aimed at AI-powered search surfaces.

Underlying technology centers on the proprietary "7-Faktoren-Modell" SEO framework — covering Entity Salience, Island-Test-Optimierung, N-Gram structure, Golden Zone content, multimodal signals, Predictive Intent, and GEO-Readiness — combined with an AI-driven strategy layer that includes Jetstream algorithm analysis. Certifications include Google Premier Partner, HubSpot Solutions Partner, LinkedIn Marketing Expert, BVDW Fachkräfte, and LRT Associate. The agency cites 40+ certifications across 50+ employees, 3,000+ completed projects, and 300M+ in cumulative managed ad spend.

Sumax runs a sales-led, enterprise-field-sales GTM executed through dedicated account managers and region-specific local SEO city packages, with quote-based, multi-year contract pricing. Marquee clients include Volkswagen, Johnson & Johnson, Thyssenkrupp, Metro, Rhenus Logistics, Barmenia, Turkish Airlines, LEG NRW, UE Germany, Magix, and Christ. Management consists of CEO Murat Ulusoy and COO/Sprecher der Geschäftsführung Carl-Uwe Würfel. The firm is bootstrapped, with no disclosed funding rounds, M&A activity, or institutional shareholders.

Name

Sumax

Legal name

Reknova GmbH

Website

https://sumax.de

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

11–50 employees

Short description

Sumax is a full-service German digital marketing agency headquartered in Dortmund, delivering SEO, Google Ads, social media, content marketing, and AI-search (GEO) services to enterprise and SMB clients across 9+ German cities.

Ownership category

akta.pro rank

Product category

Digital Marketing Services

SIC

Services-Advertising Agencies (7311), Services-Advertising (7310)

akta.pro primary industry

Marketing Technology, AdTech & MarTech Services (BPAFAAAN)

Keywords

• Search engine optimization
• Performance marketing services
• Social media marketing
• Google Ads management
• Content marketing agency

Headquarters

HQ city

Dortmund

HQ country

Germany

HQ region

Europe

Offices9 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. SEO Services: Search engine optimization services including technical SEO, on-page optimization, link building, local SEO, and international SEO. Revenue generated through project-based fees, monthly retainers, and performance-based arrangements.
2. Performance Marketing / Google Ads: Paid search advertising management with a track record of managing over 300M in ad spend across various campaigns.
3. Content Marketing & Social Media: Content creation, social media marketing, and TikTok marketing services for brand building and engagement.
4. Website & E-commerce Solutions: Web design, landing page optimization, usability optimization, and conversion optimization services.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Sumax is a full-service German online marketing agency that delivers search engine optimization, paid search (Google Ads / SEA), social media marketing, content marketing, and specialized services such as Generative Engine Optimization (GEO), Amazon SEO, and international SEO to business clients. Services are sold as project-based engagements, monthly retainers, and performance-based arrangements, supported by proprietary methodologies including the 7-Faktoren-Modell SEO framework. The agency operates from nine German city offices serving enterprise, mid-market, and SMB clients across industries.

Product overview

SUMAX is a full-service online marketing agency, not a software product company. The company offers a comprehensive portfolio of digital marketing services organized around five core solution areas: Online Marketing Plus (full-service bundle), Traffic Generation, Brand Awareness, Lead Generation, and E-Commerce Revenue. The core services include Search Engine Optimization (SEO), Google Ads/SEA Management, Social Media Marketing (including TikTok and LinkedIn), and Content Marketing. Specialized services encompass International SEO, Amazon SEO, GEO (AI Search Engine Optimization), Local SEO, Conversion Optimization, Landing Page Optimization, Linkbuilding, SEO Audits, SEO Consulting, Reputationsmanagement, Praxismarketing, and Website Development. The company operates through multiple German city offices (Dortmund, Berlin, Hamburg, München, Köln, Frankfurt, Stuttgart, Hannover, Bremen, Nürnberg, Bonn, Essen, Chemnitz) and positions itself as a data-driven, performance-oriented agency with over 20 years of experience.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• +176% lead increase for MoveSoft
• +5 more outcomes

Named customers16 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered core.

• GooglecoreTechnology or IntegrationGoogle Premier Partner status indicating high performance and spending levels in Google Ads management. This partnership provides access to Google's latest features, support, and training resources for serving clients effectively.
• HubSpotcoreTechnology or IntegrationHubSpot Solutions Partner providing marketing automation, CRM integration, and inbound marketing services. Certified partner status enables the agency to implement HubSpot solutions for clients.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Peak Ace: Berlin-based performance marketing agency offering SEO, SEA, and content services to enterprise clients across DACH. Direct competitor to Sumax with similar full-service digital marketing positioning and overlapping service portfolio.
• diva-e: Large German full-service digital agency (700+ staff) headquartered in Stuttgart with multiple German offices, offering SEO, SEA, content, and e-commerce solutions. Comparable service portfolio and similar enterprise-focused go-to-market as Sumax, though at significantly larger scale.
• nexum: German full-service digital agency offering SEO, content marketing, SEA, and digital strategy to mid-market and enterprise clients. Direct competitor with overlapping capabilities in the DACH market.

Others

• SISTRIX: Bonn-based SEO software platform and consulting provider serving digital agencies and in-house teams across Europe. Adjacent ecosystem participant — sells tools and data into the same buyer base and competes for SEO service budgets, though operates primarily as a software/insights vendor rather than services agency.
• Ryte: Munich-based SEO and content optimization software platform with agency services offerings. Adjacent ecosystem player providing technical SEO tooling that agencies like Sumax either license or compete against.

Broad incumbents

• GroupM Germany: WPP's media investment and digital services arm in Germany, offering SEO, SEA, content, and programmatic at significant scale. Broad incumbent with overlapping capabilities as part of a much wider media and creative portfolio rather than specialized SEO focus.
• Publicis Germany: German operations of global advertising holding company Publicis Groupe, offering integrated digital marketing including SEO, SEA, and content via network agencies like Performics. Broad incumbent competing for the same enterprise client budget pool with deeper parent-company resources.
• Ogilvy Germany: Global creative and digital agency network with German operations offering integrated digital marketing including SEO and content. Broad incumbent competitor for enterprise brand marketing budgets in Germany.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/sumaxde
• LinkedInlinkedin.com/company/sumax

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

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 Sumax