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Sustainability Consultants

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A sustainability consultant helps an organisation measure its environmental performance, report it in a recognised format, and say something about it in public without breaking the law. Those are three distinct pieces of work. Measurement is a data exercise: building an inventory of energy, emissions, waste and supply-chain activity that can be reproduced by someone else. Reporting means presenting that data against a framework, so a reader can compare you with another company. The public claim is the part that now carries the most legal risk, because in Canada an environmental claim is a regulated representation, not a marketing flourish.

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That is the shift buyers most often miss. Amendments to the Competition Act that became law in June 2024 added provisions dealing specifically with environmental claims, and the Competition Bureau published final guidelines on them in June 2025. A claim about a product's environmental benefits must be based on adequate and proper testing, and a claim about the environmental benefits of a business or a business activity must be based on adequate and proper substantiation in accordance with an internationally recognised methodology. Substantiation has to exist before the claim is made, not after someone questions it. This guide is general information, not legal or financial advice about your own disclosures.

What sustainability consultants actually deliver

  • Data and inventory work: building a defensible record of energy use, emissions, water, waste and supply-chain activity that someone else could reproduce.
  • Disclosure and reporting against a recognised framework, so that what you publish is comparable with other organisations.
  • Substantiation files: the testing, methodology and evidence that sit behind any environmental claim you intend to make publicly.
  • Building certification support, such as preparing a property for a LEED or BOMA BEST submission.
  • Target setting and transition planning, including what a stated future goal would actually require in capital and operations.
  • Supplier and procurement questionnaires, where a larger customer is asking you for data you do not yet collect.

Signs your organisation needs help rather than another spreadsheet

  • A customer, lender or insurer has sent a sustainability questionnaire you cannot answer from existing records.
  • Marketing is already using words like green, clean or environmentally friendly that nobody in the business can substantiate.
  • You are preparing to publish a target or a transition plan and are unsure what evidence has to exist first.
  • Your data lives in several systems and two people produce different answers to the same question.
  • A property you own or manage is being assessed on environmental performance by prospective tenants.
  • You have reported once, informally, and now need something repeatable and comparable year over year.

Environmental claims and the Competition Act: what the rules require

The Competition Bureau's guidelines identify several provisions relevant to environmental claims. Paragraph 74.01(1)(a) covers representations that are false or misleading in a material respect. Paragraph 74.01(1)(b) requires performance claims about products to be based on adequate and proper testing. The two newer provisions, paragraphs 74.01(1)(b.1) and 74.01(1)(b.2), address environmental claims directly: the first requires claims about a product's environmental benefits to be based on adequate and proper testing, and the second requires claims about the environmental benefits of a business or business activity to be based on adequate and proper substantiation in accordance with an internationally recognised methodology.

Two points from the guidelines matter commercially. On methodology, the Bureau will consider a methodology internationally recognised where it is recognised in two or more countries, which can come from standards bodies, regulatory authorities or commonly accepted international practice. On timing, testing or substantiation is expected to exist before the claim is made. The Bureau also states that businesses never have to prove that their environmental claims are not false or misleading, but once it is established that a claim was made, the business is the one that has to show the testing or substantiation behind it.

The Bureau's practical guidance for businesses is short and worth repeating to whoever writes your copy: claims should be truthful and not misleading; adequately and properly tested or substantiated where required; specific about what is being compared; not exaggerated; and where they concern future goals, based on concrete, realistic and verifiable plans. The guidelines set out the Bureau's enforcement approach rather than binding law, so treat compliance advice on a specific claim as a matter for your own counsel.

Reporting frameworks and building certifications are not the same thing

A reporting framework tells you what to disclose. The Canadian Sustainability Standards Board issued Canada's first sustainability disclosure standards in December 2024: CSDS 1, covering general requirements for disclosing sustainability-related financial information, and CSDS 2, covering climate-related disclosures. They are based on the International Sustainability Standards Board's IFRS S1 and IFRS S2 with modifications for the Canadian context, and are effective for annual reporting periods beginning on or after 1 January 2025. The standards themselves are voluntary unless an authority such as a securities regulator requires them, so establish what actually applies to your organisation before adopting a reporting programme designed for a public issuer.

A building certification attests to something narrower and more concrete. LEED is administered in Canada by the Canada Green Building Council, which handles certification and verification, and covers rating systems for new construction and major renovations, interior fit-outs, existing buildings in operation, homes, neighbourhoods and communities, with certification awarded at levels from Certified through Silver and Gold to Platinum based on points achieved. BOMA BEST, administered by BOMA Canada, assesses existing buildings through a Sustainable stream focused on environmental performance and a Smart stream focused on building technology, with achievement tiers from Baseline through Bronze, Silver and Gold to Platinum.

The distinction matters when it reaches your website. A certification supports a specific, checkable statement about a building that earned it. It does not support a general claim about the environmental benefits of your whole business, which is precisely the kind of representation the newer Competition Act provisions address.

Where sustainability programmes and claims come unstuck

  • Publishing a claim first and assembling the evidence afterwards, when substantiation is expected to exist beforehand.
  • Using vague words such as eco-friendly or sustainable with nothing specific behind them.
  • Extending a certification earned by one building or one product into a claim about the entire organisation.
  • Announcing a future target with no concrete, realistic and verifiable plan underneath it.
  • Comparing against an unstated baseline, so the reader cannot tell what is actually being compared.
  • Building a reporting programme sized for a public issuer when nothing requires your organisation to report at all.
  • Losing the underlying data when the consultant's engagement ends, leaving next year's report unrepeatable.

Keeping data and claims defensible year after year

Sustainability reporting is a recurring obligation dressed up as a project. The methodology, the boundaries of what you counted and the source data need to be documented well enough that a different person can reproduce last year's number, because comparability is the point of reporting against a framework at all. Insist that the working files, not only the finished report, belong to you at the end of the engagement.

Claims need the same maintenance. A statement that was properly substantiated when it was made can drift out of date as operations, suppliers or products change, and it usually stays on the website long after the evidence stopped matching it. Keep a simple register of every public environmental claim, what substantiates it and when that evidence was last checked, and review it whenever the underlying activity changes. That register is also the fastest way to answer a customer, a regulator or a journalist without improvising.

How engagements are scoped, and how LokalMatch passes on your request

Scope is driven by how good your data already is. An organisation with metered energy data and organised procurement records needs far less groundwork than one reconstructing a year from invoices, and the number of sites, the complexity of the supply chain and whether a third party will review the result all move the work. Certification support is usually scoped against a specific rating system and building, while claim substantiation is scoped against the specific claims you want to make. Be wary of a proposal that prices a reporting programme before anyone has looked at where your data currently lives.

On LokalMatch you set out what prompted the work, the size and type of your operation, whether a customer or regulator is driving the deadline and what you intend to publish, and sustainability consultants working in your area respond to you directly. LokalMatch does not audit, certify, verify or endorse anyone, and it takes no position on the claims a consultant helps you make; consultants pay for the requests they receive, so comparing several costs the business nothing. Ask each one who owns the data and the methodology at the end, and how they would substantiate anything you plan to say publicly.

Sustainability Consultants: frequently asked questions

Is greenwashing actually illegal in Canada now?

Environmental claims are addressed directly by the Competition Act following amendments that became law in June 2024, and the Competition Bureau published final guidelines in June 2025. Claims about a product's environmental benefits must be based on adequate and proper testing, and claims about a business or business activity on adequate and proper substantiation in accordance with an internationally recognised methodology.

What counts as an internationally recognised methodology?

The Bureau says it will consider a methodology internationally recognised where it is recognised in two or more countries. That recognition can come from standards bodies, regulatory authorities, or practices commonly accepted internationally. It is a question about the method you used, not about how confident you feel in your result.

Do I have to report under the Canadian standards?

Not automatically. The CSSB issued CSDS 1 and CSDS 2 in December 2024, effective for annual reporting periods beginning on or after 1 January 2025, based on the ISSB's IFRS S1 and IFRS S2 with Canadian modifications. They are voluntary unless an authority such as a securities regulator requires them, so confirm what applies to your organisation first.

Does a LEED or BOMA BEST certification let me call my company green?

No. Those certifications attest to the assessed performance of a building under a defined rating system, awarded at levels by the Canada Green Building Council and BOMA Canada respectively. Stretching a building certification into a claim about your whole business is the kind of unsupported representation the environmental-claims provisions address.

Can I publish a net-zero or reduction target?

Claims about future environmental performance are not prohibited, but the Bureau's guidance is that claims about upcoming environmental goals should be based on concrete, realistic and verifiable plans. In practice that means the target needs a documented pathway, not an aspiration, and the plan should exist when the target is announced.

Who has to prove an environmental claim is true?

The Bureau states that businesses never have to prove their environmental claims are not false or misleading. However, where it is established that a claim requiring testing or substantiation was made, it falls to the business to demonstrate that the testing or substantiation was done. That is why the evidence needs to be assembled before publication.

Sources

  1. Competition Bureau: Environmental claims and the Competition Act
  2. Competition Bureau: Greenwashing guidance for businesses
  3. Canadian Sustainability Standards Board (CSSB)
  4. CSDS 1 and CSDS 2: now available
  5. Canada Green Building Council: LEED certification
  6. BOMA BEST (BOMA Canada)

Written by the LokalMatch editorial team. Last reviewed September 14, 2026. How we write and check our guides

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What affects the fees sustainability consultants charge

Fees depend on the work involved and how the professional bills. We only publish fee ranges when they’re backed by real LokalMatch data or reliable sources. Until then, here’s what usually changes the fee:

  • Scope and complexity of the work
  • How the firm bills: hourly, per project or on a monthly retainer
  • Experience of the team
  • Timeline and how urgent the work is
  • Ongoing support after the work is delivered

How to compare sustainability consultants before you hire

  • Ask for examples of similar work for clients like you.
  • Read reviews and ask for references you can contact.
  • Make sure the scope, deliverables and timeline are written down before work starts.
  • Ask who will do the work: an in-house team, freelancers or subcontractors.
  • Compare two or three proposals before you decide.

Questions to ask sustainability consultants before you hire

  • Have you done work like this before, and can I see examples?
  • Who will work on this, and who is my main contact?
  • How do you charge: hourly, per project or monthly?
  • What is included, and what costs extra?
  • How long is the contract, and how can either side end it?
  • How will you report on progress?
  • Who owns the work, files and accounts you set up for me?

Licences and registration

This kind of work is often limited to licensed or registered professionals, and the rules depend on where you are. Ask which body they’re registered with, and check their status on that body’s public register before you hire.

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