The Brazilian digital market is growing rapidly and is characterized by mobile-first usage, e-commerce and marketplace models. The focus on efficient conversion paths and smooth user experiences is correspondingly high.
Conversion optimization ranges from targeted adjustments to checkout and form processes to the structured further development of complete funnels. Data, clean tracking and a deep understanding of user behavior are key factors.
We analyzed selected CRO agencies from Brazil that support companies in tapping conversion potential along key digital touchpoints in a targeted manner.
Why a CRO agency accelerates your growth
Specialized CRO agencies support companies in improving digital experiences in a targeted manner and measurably validating optimization decisions. Structured analyses, clear hypotheses and systematic testing allow user interactions to be comprehensibly optimized.
The added value lies not only in higher conversion rates, but also in a clearer basis for decision-making, more stable conversion paths and continuous improvement of central touchpoints along the customer journey.
The top CRO agencies in Brazil in 2026
In this overview, we present selected CRO agencies from Brazil. The selection covers different areas of focus, including conversion optimization for e-commerce, UX and design-driven approaches as well as data-based experimentation and testing.
The following agencies are listed in alphabetical order and do not represent an explicit ranking.
AIM Conversion Experts Location: São PauloWebsite: aimconversion.com
AIM Conversion Experts is one of Brazil's most experienced CRO agencies and operates as a specialized „business unit on demand.“ The team integrates directly into its clients' structures to optimize conversions across the entire digital journey. With a history dating back to the early days of the Brazilian experimentation market, the agency combines in-depth data analysis with technical precision.
The agency takes a scientific approach to eliminating friction points in websites and apps. Instead of relying on isolated tests, AIM uses the so-called „radar approach,“ which combines navigation data and qualitative user insights. The goal is to validate hypotheses that measurably improve business results without tying up customers' internal IT resources with complex implementations.
Focus of the services:
Data-driven conversion rate optimization (CRO) for e-commerce and lead generation Personalizing the user experience to increase customer lifetime value Retail media optimization for monetizing platform traffic Conducting and evaluating complex A/B and multivariate tests Strategic mentoring and development of in-house experimentation teams Highlights:
With over 3,000 tests carried out and a proven additional turnover of over 2 billion BRL for the Magalu Group within two years, AIM is setting standards in the Brazilian market. The agency is characterized by its proprietary „radar approach“, which combines technological precision with deep psychological understanding. This focus on measurable results and the experience gained from projects since 2011 make them the ideal partner for companies looking to take their digital performance to the next level.
Benefit from the ideal combination of Varify.io® technologies and agency expertise.
Get non-binding advice now Nerau CX Location: MaringaWebsite: nerau.com.br
Nerau CX is a Brazilian digital agency specializing in conversion optimization, UX/UI design, and technical implementation. The focus is on analyzing and optimizing digital experiences, particularly in the context of e-commerce and mobile, where user guidance and performance are closely linked.
The agency supports projects from CRO analysis to design and testing to technical implementation. Conversion optimization is closely interlinked with user guidance, design, and development, and is often validated through structured A/B testing. There is a clear focus on measurable improvements along key conversion paths.
Focus of the services:
Conversion rate optimization (CRO)
A/B testing and data-driven experiments
UX/UI Design
Technical implementation & development
E-commerce and mobile optimization
Highlights:
Nerau publishes concrete case results with measurable effects. In customer projects, conversion increases of up to +248 % in the mobile sector, significant sales increases and considerable reductions in the bounce rate were achieved.
The case studies show a strong focus on mobile UX, checkout optimization, and structured testing. Conversion optimization is not viewed in isolation, but rather implemented as a combination of analysis, design, testing, and implementation.
Benefit from the ideal combination of Varify.io® technologies and agency expertise.
Get non-binding advice now Nilton Alvarez Location: São PauloWebsite: niltonalvares.com.br
Nilton Alvares is a Brazilian SEO and digital marketing specialist with over ten years of experience in organic growth. His focus is on search engine optimization, content strategy, and data-driven marketing for scalable reach and sustainable traffic.
As founder of Nahub Consultoria, Nilton Alvares works at the intersection of SEO, CRO, content, and UX/UI. Conversion optimization is not an isolated discipline focus, but part of a holistic approach that considers visibility, user intent, and performance together.
Focus of the services:
Search engine optimization (SEO)
Content strategy & organic growth
Performance-oriented website optimization
CRO in the context of SEO-driven traffic
Consulting on digital strategy, data, and UX/UI
Highlights:
Nilton Alvares brings with him many years of experience from projects with well-known Brazilian brands such as KaBuM, Motorola, Grupo Casas Bahia, Allianz, Onfly, and Afya. The focus is on sustainable growth through organic channels rather than short-term traffic increases.
In addition to his consulting work, he is the founder of EducaSEO , one of the largest SEO communities in Brazil, as well as the initiator of SEOcamp , one of the most important events for SEO and digital marketing professionals in the country.
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Get non-binding advice now Supersonic Location: Belo HorizonteWebsite: supersonic.ag
Supersonic is an agency specializing in conversion rate optimization with over 12 years of exclusive focus on CRO. The agency supports e-commerce brands and digital companies in sustainably increasing sales growth through structured experimentation, behavioral analysis and conversion-oriented UX design.
CRO is not seen as a tactical measure, but as a long-term growth system. Supersonic combines data science, user research and testing to implement decisions based on evidence and in line with clear business objectives.
Focus of the services:
End-to-End CRO & Experimentation Programs
CRO assessments and audits
A/B testing and hypothesis development
Conversion-focused landing pages and website redesigns
Digital analytics setup, tracking and governance
Training and mentoring for internal teams
Highlights:
According to Supersonic, it has implemented over 400 projects for brands in Brazil, the USA and Europe. Clients include Banco Inter, Grupo Globo, XP, PagBank, TOTVS, Afya, Hotmart, Direcional Engenharia, Sterilair, Guia de Moteis and HostGator.
In addition, Supersonic has references from working with Fortune 500 companies such as Oracle and Twilio. In the area of training and mentoring, Supersonic has supported internal teams at Serasa, RD Station and BBVA, among others. Conversion increases of over 600 percent have been achieved in individual projects.
Benefit from the ideal combination of Varify.io® technologies and agency expertise.
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