Marketing Sustainability and Climate Reporting Advisory to SME Clients Before It's Mandatory for Them

05 October 2026·5 min read

Quick answer: Large companies are already required to report on climate risk, and that obligation is rolling down their supply chains as a request for data from suppliers — many of whom are the SME clients your firm already looks after. Market this now as plain-English readiness help, not compliance fear, and you become the accountant who explained it before a client's biggest customer sent them a scary email asking questions they couldn't answer. 🌴

Most small business owners have no idea mandatory climate-related financial disclosure is already here for large Australian entities, or that it's starting to show up as a trickle-down requirement for their own business — a bigger customer's procurement team asking for emissions data, or a bank wanting climate risk information before renewing a facility. 💖 Accounting firms are in the best position to explain this calmly, because it's adjacent to the numbers work you already do — but most firms stay silent, either because it feels outside "core compliance" or because nobody's built the content yet. That silence is the opportunity.

What most firms get wrong

They wait for a client to ask about it, rather than raising it proactively — by the time a client asks, they're usually already under pressure from a bigger customer or lender.
They frame it purely as a compliance burden rather than a competitive advantage with larger customers who are actively trying to clean up their own supply chains.
They assume this only matters to large or listed clients, missing that the pressure is specifically landing on SMEs who supply larger companies.
They outsource the explanation entirely to a specialist ESG consultant rather than offering a first, simple conversation themselves — which hands the relationship (and the fee) to someone else.

ESG-readiness checklist (use as a lead magnet):

☐ Do any of our top 5 customers have their own mandatory climate reporting obligations? (If yes, expect a data request within 12-24 months.)
☐ Have we ever been asked for emissions, energy use, or supply chain data by a customer or lender?
☐ Do we track basic energy and fuel use data anywhere (even informally)?
☐ Would we know who in the business to ask if a customer requested this tomorrow?
☐ Have we discussed climate-related risk with our accountant or bank in the last 12 months?
☐ Do we understand the difference between being asked to report ourselves vs. being asked to supply data to someone else's report?

Plain-English client email: "Hi [Name], you may have seen headlines about new climate reporting rules for big companies. The part that's easy to miss is that it's starting to flow down to suppliers like [Business] — some of our clients are already being asked for basic emissions or energy data by their larger customers. Nothing urgent, but I wanted to flag it early so it's not a scramble later. Happy to run through what it might mean for a business like yours — no obligation, just getting ahead of it."

A manufacturing-client-heavy firm: several clients supply components to larger manufacturers with their own reporting obligations. The firm ran a short webinar titled "What Your Biggest Customer Might Soon Ask You For," used as the entry point to a paid readiness-review service that booked out within two weeks of promotion.

An agribusiness accounting firm: clients face both direct exposure (physical climate risk to crops and land) and supply-chain pressure from major retailers. The firm built a simple one-page explainer distinguishing the two, since most clients were only aware of one and assumed the other didn't apply.

A firm with retail/hospitality clients supplying larger companies: these suppliers rarely think of themselves as "in scope" for anything climate-related. The angle was reassurance plus readiness — "you're probably fine for now, here's what to have ready if that changes" — rather than alarm, which landed far better with a client base wary of anything sounding like extra cost.

How to actually position the advisory offer

The mechanics here are less about climate science and more about information flow. Your value isn't being an ESG expert — it's being the first trusted person to flag this, translate what a request from a bigger customer actually means, and point them to the right specialist (an ESG consultant, a sustainability auditor) if the work genuinely needs one. Position your own offer narrowly: a readiness conversation and a basic data-gathering framework, not a full sustainability report. That keeps the engagement simple to scope, and still makes you the first call when the client's customer sends that request.

Please note: general information only, not financial or legal advice — climate and sustainability reporting obligations are evolving and vary by entity size and sector, so refer clients to current AASB and ASIC guidance (or a qualified ESG specialist) before they rely on any of this for their own compliance position.

💡 Segment the outreach by supply chain exposure, not by client size. A small supplier to a very large customer is more exposed to this than a mid-sized business that sells only to consumers — size alone is a poor proxy for who actually needs to hear from you first.

Mistakes to avoid

Leading with jargon (Scope 1/2/3, materiality assessments) before establishing why the client should care at all — plain English first, technical terms only once they're engaged.
Implying this is already mandatory for every small business — it isn't, and overstating the obligation erodes trust fast once a client checks.
Positioning the firm as the full solution when the work genuinely needs specialist ESG input — refer out for the technical report, keep the readiness conversation.
Only targeting clients who've already been asked — the entire value of marketing this early is reaching clients before the request lands, not after.

Frequently asked questions

Do all SME clients actually need to worry about this?

No — worth being upfront about that rather than casting the net too wide. Real near-term exposure sits with clients supplying larger reporting entities or relying on finance from lenders factoring in climate risk. For a purely local, consumer-facing business, this is genuinely lower priority for now.

Should the firm offer full sustainability reporting services?

Only if you've genuinely built the capability. Most firms are better served offering the readiness conversation and referring the technical work to a specialist — being the full-service ESG provider without the expertise is a reputational risk, not a growth opportunity.

How do we avoid sounding alarmist?

Lead with "here's what's coming and here's how to be ready," not "you're at risk." The goal is calm, early information — fear-based marketing on a topic this unfamiliar tends to make people disengage rather than act.

Is this worth it for a smaller firm without ESG expertise?

Yes, but keep the offer small and honest about its limits — a short readiness conversation and a referral relationship with a specialist is a realistic, low-risk way in, even without deep in-house ESG knowledge.

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Written by

Kate, founder of Chronically Online

I help Gold Coast and Brisbane businesses grow with branding, websites and marketing that actually works.

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