4xxi

Overview

4xxi is an agency founded by a scientist and composed of engineers collaborating since 2008. The team operates in the legal tech, fintech, edtech and science sectors. With over 100 products delivered, the agency adopts an approach centred on deep understanding of each sector before engaging in development. 4xxi's clients have raised over 500 million dollars. For more information, visit https://www.4xxi.com.

Services and expertise

RAG and LLM systems

4xxi designs and deploys retrieval-augmented generation systems as well as architectures based on large language models, tailored to the specific needs of each vertical industry.

AI agents and automation

The agency develops intelligent agents and automation solutions enabling optimisation of business processes and improvement of operational efficiency for products and services.

Web and mobile applications

4xxi designs and develops web and mobile applications, combining functionality, usability and scalability to ensure high product quality and optimal user experience.

Methodology

4xxi's process comprises six stages: research and development with competitive analysis, planning and design with roadmap definition, minimum viable product development, launch and optimisation, presentation to investors and stakeholders, and finally transfer or post-launch maintenance.

Team and clients

The lean and experienced team has been collaborating for over 10 years. 4xxi has supported several notable projects including AAAi ChatBook for legal guidance, EmanuelAYCE for legal learning, AdvisorEngine for wealth management, and HumanRace for running experience.