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Impact Assessment

Understanding and assessing impacts has become a key issue for companies seeking to structure their approaches and support their decisions with reliable data. LCA, LCI, and critical review: these complementary approaches make it possible to analyse, consolidate, and secure assessment results. WeLOOP supports you at every stage thanks to rigorous and independent methodological expertise.

What is impact assessment?

L’évaluation des impacts est la démarche scientifique qui permet de mesurer et de quantifier les effets d’un produit, d’un service ou d’une organisation sur l’environnement et la société tout au long de son cycle de vie. Fondée sur des méthodes reconnues (ACV, ACCV,AsCV, analyse multicritère), elle transforme des données complexes en indicateurs actionnables pour orienter vos décisions stratégiques.

Why is impact assessment essential?

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Increasingly accelerating regulations

DPP (Digital Product Passport), CRP, CSRD , … Ce qui est facultatif aujourd’hui deviendra obligatoire demain. Anticiper ces obligations, c’est protéger son activité.

Your clients and contracting authorities require it

Tenders, specifications, supplier questionnaires… Companies that do not measure their impacts are increasingly being excluded.

You can only improve what you measure

Reducing your footprint starts with knowing where you stand. Assessment provides a precise snapshot and identifies where to act as a priority.

A real and lasting competitive advantage

Companies engaged in an assessment approach inspire confidence among their clients, investors, and partners. Measuring impacts means standing out sustainably.

The regulatory and normative framework

Our Life Cycle Assessment (LCA) studies are carried out in accordance with ISO standards and sector-specific frameworks, to ensure reliable, transparent, and widely recognized results.

Our solutions tailored to your needs

Conducting Life Cycle Assessments

Consulting firm specializing in Life Cycle Assessment studies for products and organizations

  • LCA modeling in compliance with applicable standards and sector-specific frameworks
  • Impact analysis and interpretation of LCA results
  • Support for eco-design and the improvement of environmental performance
  • Preparation of technical deliverables and summaries intended for internal and external stakeholders

Life Cycle Inventory development

Expert specialized in conducting
life cycle inventory

  • Collection, consolidation and processing of data on materials, energy, transport and waste
  • Construction and modeling of inventories in accordance with ISO 14040 and ISO 14044 standards
  • Harmonization of data with applicable LCA databases and reference frameworks
  • Preparation of usable datasets for LCA studies, FDES, EPDs, and eco-design approaches

LCA verification – Critical Review

LCA verifiers for conducting independent critical reviews

  • Verification of the consistency of assumptions, scenarios, and methodological choices
  • Quality control, traceability, and reliability assessment of the data used
  • Support for compliance prior to publication or external communication
  • Preparation of critical review reports and support for external validation processes

Why work with an expert consultancy?


Ensuring impact assessment in compliance with applicable standards and frameworks


Ensuring the reliability of environmental data and methodological consistency


Identify the main contributors to environmental impacts


Enhance a credible environmental approach among clients and stakeholders.