About Arelya
About Arelya
We Make Sustainability Measurable.
Turning ESG complexity into clarity, strategy, and measurable impact.
Founder & Managing Partner
Founder & Managing Partner
Founder & Managing Partner
Our Story
Our Story
Arelya is a sustainability advisory firm specializing in ESG strategy, corporate reporting, governance, and supply chain risk management. With deep expertise in CSRD readiness, ESG integration across value chains, and double materiality assessments, Arelya supports organizations across multiple industries in navigating complex sustainability requirements.
This approach is reinforced by Rylio™, Arelya’s proprietary ESG platform, designed to structure, analyze, and operationalize ESG data. Together, Arelya and Rylio™ enable companies to align with leading standards such as CSRD, GRI, and ISSB, transforming sustainability commitments into structured, measurable, and decision-ready outcomes. At every stage, Arelya empowers organizations to move from compliance to strategic impact.
Je suis Cassandra, experte en développement durable et co-créatrice de Rylio.io.
J’aide les PME à structurer une stratégie ESG claire, crédible et conforme (CSRD, GRI).
Mon approche est humaine, concrète et pensée pour vos réalités de terrain.
Objectif : transformer vos engagements en impact mesurable.
Je suis Cassandra, experte en développement durable et co-créatrice de Rylio.io.
J’aide les PME à structurer une stratégie ESG claire, crédible et conforme (CSRD, GRI).
Mon approche est humaine, concrète et pensée pour vos réalités de terrain.
Objectif : transformer vos engagements en impact mesurable.
CSRD & GRI Compliance
ESG Strategy & Reporting
CSRD & GRI Compliance
ESG Strategy & Reporting
CSRD & GRI Compliance
ESG Strategy & Reporting
Driving ESG With Purpose and Values
Values Aligned With Your ESG Ambitions
In today’s business environment, organizations must balance performance, positive impact, and regulatory compliance. At Arelya, our mission is clear: to help you build an ESG strategy that is credible, human-centered, and effective.
Our approach is accessible, pragmatic, and scalable, adapted to the pace of SMEs while meeting the rigorous demands of global corporations. Transparency, accountability, and measurable impact are the pillars of our work. Together, we transform your sustainability commitments into trust, performance, and long-term growth.
Long-Term Vision
We help organizations integrate sustainability into their core strategy, with clarity, structure, and measurable impact.
Pragmatic Solutions
Concrete, tailored ESG strategies aligned with your priorities and resources.
High-Impact Results
Every action is designed to deliver tangible, lasting outcomes aligned with your ESG and CSRD goals.
Collaborative Approach
We move forward together, involving your teams and stakeholders at every stage of the journey.
Driving ESG With Purpose and Values
Values Aligned With Your ESG Ambitions
In today’s business environment, organizations must balance performance, positive impact, and regulatory compliance. At Arelya, our mission is clear: to help you build an ESG strategy that is credible, human-centered, and effective.
Our approach is accessible, pragmatic, and scalable, adapted to the pace of SMEs while meeting the rigorous demands of global corporations. Transparency, accountability, and measurable impact are the pillars of our work. Together, we transform your sustainability commitments into trust, performance, and long-term growth.
Long-Term Vision
We help organizations integrate sustainability into their core strategy, with clarity, structure, and measurable impact.
Pragmatic Solutions
Concrete, tailored ESG strategies aligned with your priorities and resources.
High-Impact Results
Every action is designed to deliver tangible, lasting outcomes aligned with your ESG and CSRD goals.
Collaborative Approach
We move forward together, involving your teams and stakeholders at every stage of the journey.
Driving ESG With Purpose and Values
Values Aligned With Your ESG Ambitions
In today’s business environment, organizations must balance performance, positive impact, and regulatory compliance. At Arelya, our mission is clear: to help you build an ESG strategy that is credible, human-centered, and effective.
Our approach is accessible, pragmatic, and scalable, adapted to the pace of SMEs while meeting the rigorous demands of global corporations. Transparency, accountability, and measurable impact are the pillars of our work. Together, we transform your sustainability commitments into trust, performance, and long-term growth.
Long-Term Vision
We help organizations integrate sustainability into their core strategy, with clarity, structure, and measurable impact.
Pragmatique
Des solutions concrètes, adaptées à vos priorités et à vos ressources.
À fort impact
Chaque action vise des résultats réels, durables et alignés sur vos enjeux.
Collaboratif
On avance ensemble, en impliquant vos équipes et parties prenantes à chaque étape.
“After our first consultation with Arelya, we realized ESG is more than just ticking boxes. We now leverage our carbon data to make concrete, CSRD-compliant decisions. That single session inspired our board of directors and strengthened client trust.”
Hannah Reid
ESG Lead, GreenLeaf
“After our first consultation with Arelya, we realized ESG is more than just ticking boxes. We now leverage our carbon data to make concrete, CSRD-compliant decisions. That single session inspired our board of directors and strengthened client trust.”
Hannah Reid
ESG Lead, GreenLeaf
« Grâce à l’accompagnement de Cassandra, nous ne nous contentons plus de cocher les cases du reporting : nous utilisons nos données carbone pour guider des décisions concrètes. Notre stratégie inspire désormais notre conseil d’administration et résonne avec nos clients. »
Hannah Reid
Green leaf
Ready to uncover your hidden ESG risks?
Join the organizations transforming compliance into competitive advantage. Start your journey with a personalized RISC Session.
Ready to uncover your hidden ESG risks?
Join the organizations transforming compliance into competitive advantage. Start your journey with a personalized RISC Session.
Ready to uncover your hidden ESG risks?
Join the organizations transforming compliance into competitive advantage. Start your journey with a personalized RISC Session.