Preparing for CSRD can feel overwhelming, especially if your company is dealing with sustainability reporting for the first time.
The requirements are broad, the data can be scattered, and the reporting process needs to be reliable enough for audit and external review.
That is why a checklist is one of the best ways to get started.
Instead of trying to solve everything at once, you can break CSRD preparation into clear steps and gradually build a stronger reporting process.
1. Confirm whether CSRD applies to your company
The first step is to check whether your company is in scope.
Review your company’s number of employees, annual revenue, total assets, listing status, and EU presence.
If your company meets the relevant criteria, you should start preparing as early as possible.
Even if you are not yet required to report, preparing early can reduce pressure later and improve the quality of your sustainability data.
2. Identify the relevant ESRS standards
CSRD reporting is based on the European Sustainability Reporting Standards, known as ESRS.
These standards define what companies need to disclose across environmental, social, and governance topics.
For many companies, the most important starting point is ESRS E1, which focuses on climate change.
This includes emissions, energy consumption, climate risks, and transition planning.
3. Run a double materiality assessment
Double materiality is a core part of CSRD.
Your company needs to understand both how sustainability issues affect the business and how the business affects people and the environment.
This helps you decide which topics are material and should be included in your report.
Without this step, it is difficult to know what your company actually needs to report.
4. Map your required data
Once you know your relevant topics, the next step is to identify what data you need.
For climate reporting, this may include:
- Electricity consumption
- Gas and heating usage
- Fuel consumption
- Company vehicle data
- Business travel
- Employee commuting
- Purchased goods and services
- Supplier-related emissions data
This step is about creating a clear data map before collecting numbers.
5. Collect activity data
Activity data is the raw information behind your emissions calculations.
Examples include kilowatt-hours of electricity, liters of fuel, kilometers traveled, or money spent on purchased goods.
This data may come from invoices, meters, HR systems, travel platforms, finance tools, procurement records, or suppliers.
The challenge is not only collecting the data, but also making sure it is complete, consistent, and traceable.
6. Calculate Scope 1, 2, and 3 emissions
After collecting activity data, you need to calculate emissions.
This usually means applying emission factors to convert activity data into CO₂ equivalent emissions.
Scope 1 covers direct emissions from sources your company owns or controls.
Scope 2 covers indirect emissions from purchased energy.
Scope 3 covers other indirect emissions across your value chain.
Scope 3 is usually the most complex part because it involves suppliers, travel, logistics, purchased goods, and other external activities.
7. Check for data gaps
Most companies will not have perfect data in the beginning.
That is normal.
The important thing is to identify what is missing and document it clearly.
Common gaps include missing supplier data, incomplete Scope 3 categories, inconsistent units, unclear ownership, and lack of supporting documents.
A gap analysis helps you understand what needs to improve before your report is ready.
8. Assign responsibilities
CSRD is not only a sustainability team project.
It often requires input from finance, operations, HR, procurement, legal, and management.
Each data source should have a clear owner.
This makes the process more reliable and reduces the risk of missing information close to the reporting deadline.
9. Document your methodology
Good CSRD reporting is not just about numbers.
You also need to explain how those numbers were calculated.
Document your data sources, assumptions, emission factors, calculation methods, and any limitations.
This is especially important for audit readiness.
If someone reviews your report later, they should be able to understand where the data came from and how the results were produced.
10. Prepare for assurance
CSRD requires sustainability information to be reliable and reviewable.
That means your reporting process should be built with assurance in mind from the beginning.
Keep records of your data sources, approvals, calculations, and changes over time.
A structured process will make external review much easier.
11. Build a repeatable reporting process
CSRD is not a one-time exercise.
Your company will need to report regularly, so the process must be repeatable.
A good process should make it easy to collect data again next year, compare results, update calculations, and improve reporting quality over time.
This is where many companies realize that spreadsheets alone are not enough.
Final thoughts
A CSRD checklist helps your company move from confusion to structure.
Instead of treating sustainability reporting as a last-minute task, you can build a clear process step by step.
The earlier you start, the easier it becomes to identify gaps, improve data quality, and prepare an audit-ready report.
CSRD preparation does not need to be chaotic.
With the right structure, your company can collect the right data, calculate emissions, track gaps, and manage reporting in one place.
Use Emission Owl to organize your CSRD data, track reporting gaps, and build a repeatable sustainability reporting process.