Workiva Alternatives for Climate Reporting (2026)

Workiva and the Australian alternatives can all support carbon accounting, but they start from different places. Workiva brings carbon into a broad connected-reporting platform. We build one of the alternatives, focused on the data work behind an Australian ASRS inventory, so read our view with that bias in mind.

Where Workiva fits

Workiva is a broad connected-reporting platform spanning financial reporting, statutory filings, SOX, audit and wider ESG. It provides version control and collaboration across teams. Large organisations may use it to manage climate alongside other controlled reports in the same environment.

What to compare for an ASRS inventory

Workiva Carbon calculates Scope 1, 2 and 3 emissions and brings the data into Workiva's reporting environment. An ASRS reporting group should compare how each product takes in source data, applies emission factors and retains evidence. Implementation effort and Australian support also matter.

The alternatives, by what you need

The choice depends on how broad a platform you need and how you want the carbon work to run. Within each group, no ranking:

If you need	Alternatives that fit	Why
One platform across financial, statutory and ESG reporting	Workiva	Broad disclosure management and controls across many report types in one place
An Australian ASRS inventory with a focused carbon workflow	CO2 Lab, Sumday, Avarni	Australian-built options with different workflows for ledgers, ERP data and source documents

Workiva's breadth matters when financial, statutory and sustainability reports need connected controls. If the immediate job is an Australian ASRS inventory, compare that breadth with the implementation and administration required. CO2 Lab's platform holds the carbon ledger, evidence and reporting history. Its AI Sustainability Analyst processes data from Xero, NetSuite and source documents, then returns the working for review.

“Workiva Carbon calculates emissions inside a broad reporting platform. Compare that workflow with a focused Australian carbon product using your own data.”

How to test the calculation

Give each tool the same supplier invoice or scanned multi-page bill. Note the preparation required and check the calculation against the source. Ask how it supports ASRS, AASB S2, Australian emission factors and NGER data. Confirm what evidence is retained for assurance. The full checklist is in how to choose carbon accounting software. The whole-market view is in the best carbon accounting software in Australia.

Where CO2 Lab fits as a Workiva alternative. It is a focused option for the data work behind an Australian ASRS inventory:

Designed for

Australian reporting groups calculating and maintaining an ASRS footprint from the documents they hold. This includes experienced teams, multi-entity businesses and groups with overseas operations.

Does the calculation

The analyst pulls data from Xero and NetSuite, reads source documents, maps the data and calculates emissions. The platform flags gaps and potential overlaps, then records the source, factor and reasoning behind each figure.

Not the fit if

You want one platform across financial, statutory and ESG reporting with full controls. That breadth is what Workiva is built for.

Check with your data

Use a source document and ledger extract. Check the carbon result, the supporting working and how it moves into review.

Test a focused ASRS workflow

Bring a bill and ledger extract. See the analyst move the raw data into the platform, then review the ledger and calculation evidence it produces.

Book a Sustainability Check-up

Frequently asked questions

What are the best alternatives to Workiva for climate reporting?+

It depends on what you need. Workiva spans financial, statutory and ESG reporting with connected controls. Australian-built carbon tools focus on local reporting workflows. Compare the reports you manage, implementation scope, source-data handling and the evidence you need.

Why would I choose an alternative to Workiva?+

An alternative may suit when the immediate job is a consolidated Australian ASRS inventory rather than connected reporting across several functions. Workiva Carbon does calculate emissions, so compare source-data intake, implementation, Australian reporting support and how the calculation evidence is retained.

Is there an Australian alternative to Workiva for ASRS?+

Yes. CO2 Lab, Sumday and Avarni are Australian-built carbon accounting tools. Compare how each handles source data, emissions calculations, ASRS disclosures and the evidence needed for assurance.

What is Workiva best for?+

Workiva targets large organisations that want one connected platform across financial reporting, statutory filings, SOX, audit and ESG, with version control and collaboration across teams.

How do I compare Workiva alternatives?+

Test both the carbon workflow and the reporting controls. Use a bill and ledger extract to check preparation, coverage, gaps and possible duplicates. Then confirm how the calculation working moves into the final disclosure and review process.

Workiva Alternatives for Climate Reporting in Australia (2026)