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Simplex is a global pioneer in SEO technology, using proprietary software and AI to automate page creation and drive organic growth. They help mid-market and enterprise businesses scale traffic, conversions, and revenue with data-driven strategies.
Simplex is a Sao Paulo-based SEO technology company that has built a reputation as a global pioneer in automated search optimization. Founded in 2017, the agency combines proprietary software, artificial intelligence, and deep SEO expertise to help mid-market and enterprise businesses scale their organic presence. With a team of 10-49 professionals, Simplex has delivered results for major brands like Leroy Merlin, Carrefour, and Sephora, generating over one billion organic visits for clients across multiple markets.
What sets Simplex apart is its focus on automation and scale. The agency's flagship product, Indexa, is an automatic page creation platform that builds optimized web pages based on search trends and user queries. This approach addresses a common pain point for large organizations: the slow, IT-dependent process of publishing new pages. By automating this workflow, Simplex enables clients to capture thousands of previously missed search queries, driving significant traffic gains with minimal technical overhead. The platform also includes modules for retail, store locator, content creation, and site performance optimization.
Simplex offers a comprehensive range of services beyond its software. These include advertising (display ads, PPC), content marketing and strategy, data analytics and science, marketing advice, lead generation, market research, and a full suite of SEO services (international, local, consulting, technical). The agency serves industries such as architecture, ecommerce, fashion retail, fintech, and travel & tourism, with a geographic focus on Brazil and France. Client sizes range from mid-market to enterprise, and projects typically start at $5,000 with a 3-6 month duration.
Pricing is project-based, starting from $5,000, which positions Simplex as a premium option for companies serious about scaling SEO. The investment is justified by the potential ROI: for Leroy Merlin Italy, the agency delivered nearly 2 million monthly visits and conversions 30% above average, with the equivalent paid traffic cost estimated at $634,700 per month. This kind of efficiency makes Simplex particularly attractive for businesses that already have a strong organic foundation but need to break through growth plateaus.
Simplex is best suited for mid-market and enterprise e-commerce and retail brands that need to scale their SEO efforts without linearly increasing headcount. The agency's technology-driven approach is ideal for companies with large product catalogs, multiple locations, or content-heavy sites that require frequent updates. it's less appropriate for small businesses or those with very limited budgets, as the minimum project cost and focus on scale may not align with their needs.
Overall, Simplex is a strong choice for organizations that view SEO as a strategic growth channel and are ready to invest in automation and AI to achieve it. The combination of proprietary software, proven results with global brands, and a data-driven methodology makes it a reliable partner for ambitious digital growth. While the higher price point and enterprise focus may narrow its audience, for the right client, Simplex delivers measurable, scalable outcomes that justify the investment.
Services
- Advertising
- Display Ads
- PPC
- Content Marketing
- Content Strategy
- Data Analytics
- Data Science
- Data Visualization
- Marketing Advice
- Lead Generation
- Market Research
- SEO
- International SEO
- Local SEO
- SEO Consulting
- Technical SEO
Industries Served
Team Size
Pros
- Proprietary Indexa software automates SEO page creation at scale, reducing IT dependency.
- Proven track record with major brands like Leroy Merlin, Carrefour, and Sephora.
- Data-driven approach with AI and machine learning for sustained organic growth.
- Strong results: 2M monthly visits for Leroy Merlin Italy, 30% above average conversions.
Cons
- Higher budget threshold (starting at $5,000) may not suit small businesses.
- Focus on mid-market and enterprise limits appeal for startups or local-only companies.
Client Review Analysis
Simplex helped Leroy Merlin Italy achieve nearly 2 million monthly visits and 30% above average conversions, with the equivalent paid traffic cost estimated at $634,700 per month.