Discover Cologne’s Leading AEO, GEO & LLMO Companies

At Lengreo, we focus on helping businesses navigate the often complex world of digital marketing. Our work revolves around developing tailored strategies that fit the unique strengths and goals of each client. We see marketing as a collaboration, which is why we integrate closely with our clients’ teams rather than just acting as an external agency. By doing this, we can better understand their operations, challenges, and ambitions, allowing us to create practical solutions that deliver real results. We are an AEO, GEO and LLMO company providing services in Cologne. We combine strategic thinking with hands-on execution, covering everything from lead generation to content creation and technical SEO. In-person meetings across Central Europe allow us to stay connected and maintain productive communication. For us, transparency and trust are key parts of every partnership. We believe effective marketing comes from clear goals, open dialogue, and the flexibility to adapt as the digital landscape shifts.

Key Highlights:

• Focus on B2B digital marketing strategy and consulting
• Integration into client teams for close collaboration
• Tailored strategies based on business strengths
• Option for in-person meetings in Central Europe
• Transparent communication and process clarity

Services:

• B2B digital marketing strategy and consulting
• Lead generation and appointment setting
• Search engine optimization (SEO)
• Social media and content marketing
• Paid advertising and demand generation
• Website development services

Contact and Social Media Information:

• Website: Lengreo
• Contact Email: hi@lengreo.com
• Phone Number: +31 686 147 566
• LinkedIn: Lengreo
• Twitter: @Lengreo
• Instagram: @lengreo

Our cases

SEO for BIM & VDC Services Provider

PPC For Adult Content Platform

Biological Age Blood Testing Kit

Wolf of SEO is an agency that focuses on search engine optimization, with a particular emphasis on e-commerce. They have developed a structured three-phase approach to help online shops improve their visibility in competitive markets. Their work is highly data-driven, with processes tailored to scale e-commerce operations efficiently.

The team operates on a performance-based model for clients whose online shops demonstrate SEO potential, linking results directly to outcomes. Their approach is methodical, applying legal and structured strategies to improve rankings, while keeping each step aligned with measurable performance metrics.

Key Highlights:

• Specializes in e-commerce SEO
• Uses a structured three-phase optimization process
• Data-driven and methodical approach
• Performance-based work model

Services:

• SEO strategy and implementation
• E-commerce optimization
• Performance tracking and analysis
• Search visibility improvement

Contact Information:

• Website: wolf-of-seo.de
• E-mail: info@wolf-of-seo.de
• Facebook: www.facebook.com/wolf.of.seo.ns
• Linkedin: www.linkedin.com/in/niels-stuck-082167113
• Instagram: www.instagram.com/nielsstuck.de
• Address: Business Park 5557, Al Jazeera Al Hamra
• Phone: +49 155 65485613

Planinja emphasizes transparency and a data-driven approach in its consulting services. The company focuses on analyzing strategies and processes to ensure they align with the resources and specific requirements of each organization. They aim to provide practical guidance without overreliance on trends or gut feelings, balancing intuition with numbers.

They also prioritize enabling clients to handle solutions independently. Through workshops and in-house training, Planinja helps companies implement changes themselves, supporting sustainable processes rather than ongoing dependency.

Key Highlights:

• Data-driven consulting approach
• Focus on aligning strategies with company resources
• Encourages independent client implementation
• Open communication about problems and hurdles
• Combines practical guidance with analytical methods

Services:

• Strategy analysis and planning
• Workshops and in-house training
• Consulting for sustainable process implementation

Contact Information:

• Website: www.planinja.de
• E-mail: vorname.nachname@planinja.de
• Facebook: www.facebook.com/planinjaconsulting
• Twitter: x.com/planinjade
• LinkedIn: www.linkedin.com/company/planinja
• Instagram: www.instagram.com/planinja
• Address: Händelstrasse 25/29 50674 Cologne
• Phone: +49 221 98 65 771 0

Schild-Roth is a Cologne-based agency that works on online marketing for medium-sized businesses. They focus on improving visibility and communication for clients, continually reviewing and refining their processes to maintain effectiveness. Their team emphasizes transparency and clear collaboration with clients, sharing strategies and working methods openly.

The agency fosters a team-oriented environment, encouraging cooperation and learning. They approach each project with attention to detail, using a combination of online marketing techniques and ongoing optimization to support client goals.

Key Highlights:

• Specializes in online marketing for medium-sized companies
• Emphasis on transparency and open communication
• Continuous process optimization
• Strong team culture and collaborative work environment

Services:

• Online marketing strategy
• Visibility and brand communication
• Performance monitoring and optimization
• Team-based project execution

Contact Information:

• Website: schild-roth.com
• E-mail: info@schild-roth.com
• Facebook: www.facebook.com/schildrothseoagentur
• Twitter: x.com/rothseo
• Instagram: www.instagram.com/schild_roth_seo_agentur
• Address: Bismarckstr. 1-3 50672 Köln
• Phone: 0221 29850420

LUNA PARK works with companies to build a data-driven foundation for digital marketing. They focus on improving customer reach, brand awareness, and retention through analysis and tailored strategies. The team blends technological expertise with marketing experience to create plans that are practical and measurable.

They position themselves as partners rather than just service providers, working closely with clients to implement strategies collaboratively. The team’s approach is structured around transparency and efficiency, aiming to make digital processes clear and accessible to their clients.

Key Highlights:

• Focus on data-driven marketing
• Works as a collaborative partner
• Enhances customer reach and retention
• Experienced in digital marketing and technology

Services:

• Digital marketing strategy
• Data analysis and reporting
• Customer acquisition and retention programs
• Implementation of marketing campaigns

Contact Information:

• Website: www.luna-park.de
• E-mail: info@luna-park.de
• Facebook: www.facebook.com/luna.park.gmbh
• Twitter: x.com/lunaparkde
• Instagram: www.instagram.com/lunapark.de
• Linkedin: www.linkedin.com/company/luna-park-gmbh
• Address: Siegburger Straße 231 50679 Cologne
• Phone:  +49 (0)221 467 583-0
  

Ziya develops AI solutions with a focus on safe and practical use in business, politics, and research. They offer an AI pipeline called DataLabel, which guides companies from identifying use cases to implementation. Workshops and training sessions are also provided to help teams work with AI effectively.

The company emphasizes secure, local data handling, with servers based in Germany and the EU. They also offer on-premise and on-site development options. Their approach relies on clear and direct communication, aiming to create solutions that meet specific client needs while ensuring compliance with legal and data protection standards.

Key Highlights:

• AI solutions for business, politics, and research
• End-to-end AI strategy support with DataLabel
• Workshops and team training for practical AI use
• Focus on data security and compliance
• On-premise and on-site development options

Services:

• AI strategy development
• DataLabel AI pipeline implementation
• Team workshops and training
• Custom AI solutions
• Secure and compliant AI infrastructure

Contact Information:

• Website: www.ziya.de
• E-mail: info@ziya.de
• LinkedIn: www.linkedin.com/company/ziya
• Phone: +49 15209215910
  

CGN.AI is a tech startup based in Cologne, founded by two individuals with backgrounds in research and industry. Their work focuses on natural language processing, large language models, and information retrieval. The founders also explore deep learning and symbolic approaches, combining academic knowledge with practical problem-solving.

The company aims to bridge research and applied technology, creating solutions that are informed by both scientific understanding and industry experience. Their projects are still in the early stages but emphasize experimentation and development in AI and machine learning fields.

Key Highlights:

• Focus on natural language processing and large language models
• Combines research knowledge with industry experience
• Exploration of deep learning and symbolic approaches
• Early-stage startup environment
• Emphasis on experimentation and innovation

Services:

• NLP and LLM development
• Information retrieval solutions
• Applied AI research
• Custom AI and deep learning projects

Contact Information:

• Website: cgn.ai
• E-mail: info@cgn.ai
• LinkedIn: www.linkedin.com/in/mirkoklukas
  

VALID Group in Cologne specializes in creating strategies for complex products and services. They work on digital and communication solutions designed to help companies navigate changing markets and address specific challenges. Their approach is tailored and adaptive, focusing on scalability and long-term resilience rather than quick fixes.

The team is skilled at turning complicated concepts into actionable strategies. They help organizations remain agile and prepared for future developments by combining digital technologies with communication methods. Their work spans both strategic planning and hands-on execution, with a focus on flexibility and practical outcomes.

Key Highlights:

• Specializes in complex products and services
• Combines digital strategy with communication solutions
• Focus on adaptability and long-term planning
• Tailored, flexible solutions

Services:

• Digital product strategy
• Communication strategy development
• Scalable business solutions
• Consulting on digital transformation

Contact Information:

• Website: valid-group.de
• E-mail: info@valid-group.de 
• LinkedIn: www.linkedin.com/company/valid-digital/mycompany
• Instagram: www.instagram.com/validdigitalagentur
• Address: Heckhofweg 146, 50739 Cologne
• Phone: +49 221 5 40 28 00

DeepL provides AI-based language solutions aimed at improving communication across languages. Their platform is built to handle written and spoken translations and natural, contextual writing improvements. The company focuses on developing AI tools that are both technically advanced and practical for daily business and personal use.

Their teams combine expertise in AI, product development, and global business strategy to create solutions for diverse clients worldwide. Security and compliance are integrated into their processes, and the company works to ensure that language tools are effective, reliable, and applicable in a range of professional contexts.

Key Highlights:

• AI-based language solutions for translation and writing
• Focus on practical application for businesses and individuals
• Combines AI, product, and business expertise
• Global reach across multiple markets
• Emphasis on secure and compliant technology

Services:

• Language translation AI
• Contextual writing improvement tools
• Enterprise communication solutions
• AI platform development and support

Contact Information:

• Website: www.deepl.com
• Facebook: www.facebook.com/DeepLcom
• Twitter: x.com/DeepLcom
• LinkedIn: www.linkedin.com/company/linkedin-com-company-deepl
• Instagram: www.instagram.com/deeplhq
• Address: Maarweg 165 50825 Cologne Germany
• Phone: +49 221 95018653
  

PARK 7 is a team in Cologne that focuses on marketing and digital solutions. They operate as a HubSpot Gold Partner, helping companies implement and manage HubSpot systems. The team emphasizes collaboration and shares insights into their day-to-day work, creating a work environment that blends professional engagement with a sense of personality and culture.

Their work revolves around B2B marketing projects, supporting companies in using digital tools effectively. The team values flexibility, offering options to work from the office in Cologne or remotely. They combine technical knowledge with an understanding of client needs to provide practical solutions.

Key Highlights:

• HubSpot Gold Partner
• Focus on B2B marketing and digital tools
• Flexible work options including remote
• Emphasis on team culture and collaboration

Services:

• HubSpot implementation and maintenance
• Marketing strategy support
• Digital project management
• Team-based consultancy

Contact Information:

• Website: www.park-sieben.com
• E-mail: kontakt@park-sieben.com
• LinkedIn: www.linkedin.com/company/park-7-gmbh-büro-für-digitale-wertschöpfung
• Instagram: www.instagram.com/parksieben
• Facebook: www.facebook.com/parksieben.agentur
• Address: Bonner Str. 172-176 50968 Cologne Germany
• Phone: + 49 0221 999 690-70