INTRODUCING
CarbonTrail Starter Edition
Getting started doesn’t have to be the hardest part of the journey to understanding your impact. CarbonTrail Starter is a free-of-charge solution that leverages CarbonTrail’s smart automation to calculate your business's carbon footprint, without the manual guessing.
One full financial year analysed
Eliminate the guesswork and use your actual data
See your top contributing supplier, and emissions category
Inclusive of direct, indirect and supply-chain emissions (scopes 1-3)
A pathway to carbon reduction with CarbonTrail
Securely connect your Xero account and CarbonTrail Starter will analyse and categorise your transactions returning your carbon footprint.

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You can't manage what you can't measure
This is why we created CarbonTrail Starter, making calculating your carbon emissions as easy as clicking a button. Every purchase your organisation makes increases your carbon footprint. Our science-based emissions algorithm uses these transactions to calculate your carbon footprint and give you a CO2 estimate in minutes.
From CarbonTrail Starter to CarbonTrail
Once you know what your footprint is made up of, you’re able to make environmentally sound decisions that will see your footprint reduce.
Quantifying the impact of each and every business decision enables you to form a carbon reduction strategy that suits your business. CarbonTrail enables proactive sustainability by shortening the time between decision-making and impact.
Carbon accounting fundamentals
What is carbon accounting?
Carbon accounting is the process of measuring, quantifying and managing an organisations greenhouse gas emissions. Traditional carbon accounting delves into business expenditure and assesses the exact amount of carbon associated with each purchase. After considerable effort, this results is a highly precise picture for some types of business spending, and lots of gaps.
The purpose of carbon accounting is to provide an accurate picture of, and find opportunities to reduce an organisation's carbon emissions.
How do you report on emissions?
Businesses produce greenhouse gas emissions through their operations. Scientists categorise emissions into three groups; Direct, Indirect and Value-chain, known respectively as scope 1, 2 and 3. Carbon accounting asks organisations to identify all the sources of emissions associated with a business, collect and analyse this data, and then report on what they find. The total emissions picture is known as your carbon footprint.
Is carbon accounting reliable?
Carbon accounting relies on established methodologies and protocols for calculating emissions. The most widely used is the Greenhouse Gas Protocol. It provides guidance on how to measure and report emissions in a transparent and consistent manner, making it easier to compare performance. Carbon accounting data can be verified by independent third-party auditors to ensure accuracy and completeness. Verification can be relevant for organisations who need to provide assurance to stakeholders and investors about the validity of the data.
What can businesses do about their carbon footprint?
Carbon accounting is the process of measuring, quantifying and managing an organisations greenhouse gas emissions. Traditional carbon accounting delves into business expenditure and assesses the exact amount of carbon associated with each purchase. After considerable effort, the result is a highly precise picture for some types of business spending, and lots of gaps.
CarbonTrail has been created with one purpose in mind. To get businesses quickly and accurately measuring their greenhouse gas emissions and highlighting the areas where reductions can have the biggest impact. It solves the biggest problem - how to get started!
By using information that already exists within every business, CarbonTrail calculates total CO2e emissions and analyses the emissions profile. The result is a carbon footprint in minutes. And because businesses don't stay still, CarbonTrail continuously tracks your emissions.
Whilst the aim of any climate plan should be to reduce your footprint, CarbonTrail understands that for most businesses will want to off-set some emissions. To help, we partner with trustworthy New Zealand organisations running high quality projects that directly benefit Aotearoa.
CarbonTrail is how you can measure, manage and reduce your climate impact.