Most organisations don't wake up one morning and decide to measure their carbon footprint. Something prompts it, a question from a customer, a requirement in a public tender, a conversation at board level, or a growing sense that sustainability is becoming too significant to keep putting off.
Understanding those triggers helps you recognise when the right time to act actually is, rather than waiting until someone else forces the issue on their timeline rather than yours. And working with a carbon footprint consultant at the right moment, before you need the information urgently, tends to produce far better results than rushing it through at the last minute.
For many SMEs, the first time carbon footprinting becomes a practical concern is when a customer asks for it. This is happening with increasing frequency.
Larger organisations subject to various sustainability reporting requirements are required to account for their Scope 3 emissions, which includes the emissions generated by their suppliers. If your business is in the supply chain of such an organisation, you may find yourself being asked to provide your carbon footprint data so they can include it in their own reporting. Some will also ask what you are doing to reduce your carbon footprint or emissions.
The same applies to public sector tendering. Sustainability criteria are now embedded in many public procurement processes in the UK and Ireland. Organisations tendering for government contracts increasingly need to demonstrate environmental and wider social value credentials, and in some cases, provide a carbon footprint and/or a credible emissions-reduction plan. If you don't have this information ready, you may simply be excluded from tenders you'd otherwise be well-placed to win.
Aaron Black, Managing Director of Waterman Compliance Services, found himself in exactly this position.
The contract requirement was the trigger, and the ongoing relationship reflects what happens when the process is properly established rather than rushed.
Even outside formal procurement processes, supply chain sustainability expectations are hardening. Major manufacturers, retailers and service businesses are setting their own net zero targets and increasingly expecting their suppliers to demonstrate progress in the same direction. Carbon footprinting is often the first thing they ask for, it's the baseline number from which everything else follows.
This kind of pressure doesn't always come with a formal deadline or a specific requirement. It often starts as a questionnaire, a supplier survey, or a request to complete an ESG self-assessment. If your competitors can answer those questions and you can't, you know what happens next.
Access to green finance products, certain bank sustainability products and EU-backed funding streams, is increasingly linked to an organisation's ability to demonstrate sustainability performance. Carbon footprinting is often a prerequisite for accessing these facilities. Enterprise Ireland's Green Transition Fund, which supports Irish businesses investing in decarbonisation and energy efficiency, involves an assessment of current emissions as part of the planning process. Having a baseline carbon footprint in place before applying means the process moves faster and the action plan is grounded in evidence.
Some organisations commission a carbon footprint assessment not because anyone has asked them to, but because leadership has decided it's time. A sustainability commitment has been made. A new director has joined and wants to understand the organisation's position. A company is preparing for B Corp certification and needs to understand its environmental baseline. Or any other reason that a company decides that sustainability is now a core business requirement.
In these cases, a carbon footprint consultant's role is as much about structuring the strategy as it is about producing a number. The assessment establishes a baseline, identifies the highest-impact areas for reduction, and provides the data foundation for setting credible, realistic targets.
A carbon footprint consultant guides the process from data collection through to final report. In practice, this means working with your team to identify what emissions data is available and where the gaps are, applying the correct methodology and emissions factors, structuring the results across Scope 1, 2 and 3 sources, and producing a report that meets the reporting standards your customers or stakeholders are expecting. Importantly, the report should include a list of prioritised opportunities for you to work on to reduce emissions and ideally costs in areas including energy, waste, water and raw materials.
A good consultant will also help you interpret the results, not just tell you the number, but explain what it means, where your significant emissions are coming from, and what the practical options are for reducing them. The output should be something you can actually use, not a document that sits in a drawer.
The most useful shift in thinking about carbon footprinting is from compliance exercise to management tool. A well-executed assessment doesn't just give you a number to report. It tells you where your energy and resource costs are concentrated, which parts of your operations are most exposed to future carbon pricing, and where investment in energy efficiency or renewable energy is likely to pay back the fastest.
Understanding your emissions exposure isn't just an environmental question, it has a direct bearing on your operating costs. Businesses that treat carbon footprinting as a planning tool rather than a reporting obligation tend to find it generates a return well above the cost of the assessment, provided you engage an experienced consultant to support your journey.
The timeline depends on the complexity of the organisation and how readily available the data is. For a ‘straightforward’ SME, a single site, a manageable number of emission sources, a carbon footprint assessment can typically be completed within four to six weeks from data collection starting. More complex organisations with multiple sites, significant supply chain activity or large Scope 3 footprints take longer. The key is to fully understand why you are having the assessment completed and to agree on a scope to make sure you don’t overcomplicate it (and spend unnecessary money). You should consider:
More often than not, you do not need to do the full review of all Scope 3 emissions. For example, Scope 3 emissions evaluation is typically a very time-consuming part of the assessment.
The most common cause of delay is not the analysis; it's gathering the data (particularly Scope 3 sources). Energy invoices, fuel records, travel data, procurement spend. Having someone internally who can compile this information efficiently makes a significant difference to the timeline.
A carbon footprint consultant helps organisations measure, understand and reduce their carbon/greenhouse gas emissions. This involves collecting and structuring emissions data, applying recognised methodologies such as the GHG Protocol, producing a carbon footprint report across Scope 1, 2 and 3, and advising on where and how to reduce emissions in a way that makes practical and commercial sense for the organisation.
The most common triggers are a customer or procurement requirement, a public sector tender with sustainability criteria, supply chain pressure from larger clients, or an internal decision to set sustainability targets. The best time to act is before you need the information urgently, having a current, credible carbon footprint available means you can respond quickly when asked, and positions you ahead of competitors who haven't yet acted.
For a straightforward single-site SME, a carbon footprint assessment typically takes four to six weeks from the point at which data collection begins. The main variable is how readily available the data is, energy invoices, fuel records, travel and procurement data. More complex organisations with multiple sites or significant Scope 3 footprints will require more time.
Not all organisations are required to measure Scope 3 emissions, but it is increasingly expected as part of comprehensive carbon reporting. If your organisation is in the supply chain of a larger business with legal requirements to report on its sustainability performance, they may request your data to support their own reporting. For organisations setting net zero targets, including Scope 3 gives a much more complete picture of the total footprint and where the most significant reduction opportunities lie.
Costs vary depending on the complexity of the organisation and the scope of work. Support is available, such as Enterprise Ireland's Green Transition Fund, which supports Irish businesses in funding sustainability consultancy, including carbon footprinting, which can reduce the net cost significantly for eligible organisations.
Wondering whether your organisation is at the point where a carbon footprint assessment would be valuable (rest assured, it will be if it’s done right)? Talk to the AD Sustainability team for a no-jargon conversation about what's involved.