AIBLU, a compliance services company backed by Stellum Growth, has acquired 100% of Azentúa, a Madrid-based consultancy specializing in sustainability and environmental engineering. Through this transaction, AIBLU is launching a new strategic business line focused on sustainability, strengthening its environmental capabilities and completing its comprehensive ESG services offering, which already covered the social and governance areas.
The acquisition is part of the organic and inorganic growth plan the company has been pursuing since Stellum Growth acquired a stake in the business in July 2023. Following the integration of Azentúa, the group is expected to generate approximately €9 million in revenue, operate five offices, and employ nearly 100 professionals.
This marks AIBLU’s third acquisition in the past two years, following the integrations of Segurdades in April 2025 and AT Group in March 2026, and represents another step in its strategy to consolidate its position as a leading player in the compliance and regulatory services sector. The company continues to actively seek new inorganic growth opportunities.
Azentúa is a consultancy specialized in environmental engineering and sustainability, focused on environmental risk analysis, natural capital valuation, climate change mitigation and adaptation, technical environmental studies, and the design of sustainability strategies across the entire value chain.
Following the transaction, Luis López-Cózar Alvarez, founder and partner of Azentúa, will join the AIBLU group as partner in charge of the sustainability division, where he will lead the development of the company’s sustainability business line.
Cecilia Carrasco, CEO of AIBLU, stated: “The addition of Azentúa is a key step in our positioning as a comprehensive ESG services platform. It strengthens our environmental capabilities and enables us to offer our clients a more complete value proposition in an increasingly demanding regulatory environment.”
Sergio Salcines, Chairman and founder of AIBLU, commented: “The acquisition of Azentúa is another milestone in the growth strategy we launched two years ago and reinforces our commitment to continue expanding capabilities in key areas for our clients. With this integration, we are taking a very significant step toward positioning ourselves as a leading player in ESG services.”
Luis López-Cózar added: “Joining AIBLU is a very exciting opportunity. We are becoming part of a project with strong growth ambitions, with which we share both vision and values, and that will allow us to provide comprehensive solutions while maintaining our close client relationships and specialized expertise.”
In the transaction, Rocío Cruces Torres and Llana Consultores acted as legal and corporate advisors to the buyer, while BDO carried out the due diligence process.
About AIBLU
AIBLU (formerly Informa Consulting) is a firm founded in 2004 by Sergio Salcines, dedicated to providing audit, consulting, training, advisory, and outsourcing services in the field of regulatory compliance. The company is one of the leading providers of internal audit services for entities supervised by the CNMV, as well as external expert reports related to anti-money laundering compliance.
About Azentúa
Azentúa is a consultancy specialized in sustainability and ESG, with a focus on environmental engineering, environmental risk analysis, natural capital, and climate change.
About Stellum Growth I
Stellum Growth I is a private equity fund managed by Stellum Capital and promoted by Fundación Artizarra. The fund primarily focuses on the Basque Country and Navarre and invests in companies across various sectors with the aim of driving growth through active participation in management
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