Matthieu de Bonnières · CSR consultant · SMEs

Co-build your CSR strategy.
Understand your impact.

CSR and impact with a hands-on, educational approach, from gap analysis to results.

Portrait of Matthieu de Bonnières
30+event carbon footprints
20+organisations supported towards ISO 20121
95%CSR certification success rate

Services

CSR label / certification

From gap analysis to certification: ISO 20121, Responsible Digital label, EcoVadis, B Corp.

Impact assessment

Carbon footprint or streamlined LCA to act where it matters.

CSR assessment or mission-driven company

Assess CSR maturity against ISO 26000, or mission-driven company status (qualité d'entreprise à mission).

Part-time CSR director

A few hours or a few days a month: you get a CSR director without creating a position.

Let's find funding together

French public schemes: ADEME Premier pas éco-conception (eco-design first step), OPCO ATLAS appui conseil RSE (CSR advisory support).

Recent case studies

2025-2026earlier assignments →

Part-time CSR manager · SME

Taking over CSR leadership after a departure

2025-2026 · 24 days over 12 months

Deliverables

After the Head of CSR left, management wanted a baseline review, shared governance and a clear approach.

  • Review of the CSR approach
  • Multi-year action plan and 3-year CSR strategy approved by management
  • CSR committee and monthly reporting set up

EcoVadis rating · 7-person IT services firm

Earning a first EcoVadis medal

2025-2026 · 75/100, silver medal (top 15%)

Deliverables

A small IT services firm does a lot but documents little. Its key accounts ask for a rating.

  • Questionnaire review and list of core documents to produce
  • Policy, code of conduct, purchasing charter, employee survey
  • Evidence library and task tracking by owner
  • Assignment funded by the company's training fund (OPCO)

Responsible Digital label · Consulting

Getting a 26-person consulting firm labelled

2025-2026 · label obtained in July 2026

Deliverables

With no dedicated team or written policy, it aimed for level 1 of the label to meet key account demands.

  • Materiality matrix, policy and indicators with targets
  • Equipment inventory and staff survey
  • Audit preparation and dated commitments over 12 months

Impact assessment · Software publisher

Quantifying the CO₂ avoided by a remote-assistance solution

2025 · funded by the OPCO

Deliverables

A publisher's clients want to know how much carbon its solution saves them.

  • Reasoned choice of emission factors (ADEME, digital)
  • Calculators by scenario: avoided product return or technician visit
  • Template file that needs only one data point from the client

Mission-driven company · Verification

Verifying how two mission-driven companies deliver on their mission

2025

Deliverables

Peer verifier alongside an accredited independent third-party body, objective by objective.

  • Exploratory sessions and interviews with the teams
  • Significant-facts method
  • Reasoned conclusions for each statutory objective

Assessment · Music festival

Assessing a major Paris festival for an international label

2026

Deliverables

Assisting the A GREENER FESTIVAL auditor on the festival's sustainability audit.

  • Site visit and interviews with the teams
  • Evidence coverage table, criterion by criterion
  • Documents to provide, ranked by priority before the final report

Client feedback

Thank you for this fine piece of work, which was extremely insightful and allowed us to step back from our models, a very rare opportunity in our line of work.

Managing director, music ensemble · tour carbon study, 2025 (translated)

Thank you for your contribution to the seminar. It was greatly appreciated. The workshops went well.

Responsible-digital IT firm · CSR seminar, 2025 (translated)

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