Because GRI has no regulatory deadline, tagging is often left as an afterthought, rushed or skipped entirely once the underlying report is finished. That undermines the comparability and credibility the standard exists to provide. ARKK removes that risk, applying accurate tagging as a managed service so your GRI report holds up to the same scrutiny as your mandatory disclosures.
ARKK's two-phase tagging process, applied to GRI reporting
Adapted to your reporting timeline, we'll tag your report, or work directly with your reporting software provider, handling the review and testing throughout.
Need it sooner? An expedited service is available, with turnaround in as little as one day.

Save time
Save time
Adapted to your timeline, ARKK tags your report or works directly with your software provider, with expedited turnaround available in as little as one day.
Ensure accuracy
Ensure accuracy
Every report is tagged and tested by our experts against the GRI XBRL taxonomy before it's finalised.
Mitigate risk
Mitigate risk
ISO27001-certified systems give every submission a secure, auditable trail, wherever your report ends up published.
Gain confidence
Gain confidence
Our expert team applies over 2 million tags to more than 6,000 documents every year, so the expertise is already in place.
Stay compliant
Stay compliant
Taxonomies are kept current as the GRI Standards evolve, so your tagging stays aligned with the latest guidance.
Get support
Get support
Our team offers best-practice guidance and fast answers, whenever you need them.

Filing on behalf of clients?
ARKK has numerous agreements already in place with accountancy practices and other advisory firms. Our partner network allows you to combine advisory expertise alongside ARKK's tagging experience, helping you service your clients at scale. Our team stays close to evolving GRI Standards, so your tagging remains accurate as new guidance is released.
The information that came back from ARKK was so clear and transparent.
Kreeson Thatiha, Head of Finance and Client Money, eToro
I was continually reassured of ARKK's technology and their commitment to customer service.
Darryl Alford, Finance Manager, DPD
ARKK were prepared to be more flexible with how we worked and how we were set up.
Alistair McClelland, Head of Tax, The University of Edinburgh
Simply outstanding service and a real pleasure to work with.
Chris Parsons, Production Director, Radley Yeldar
ARKK are extremely responsive and supportive partners.
Janette Moriarty, Group Financial Reporting Director, Kerry Group
ARKK are invaluable to us… I wouldn't consider another project without them.
Valentin Ramousse, Head of International Business Development & Partner, Emperor Works
The speed and accuracy of implementation was incredible.
Akash Kalaiya, EMEA Tax Manager, Universal Weather and Aviation
+ What is GRI reporting?
GRI (Global Reporting Initiative) is a voluntary sustainability reporting standard used by organisations of any size or sector to disclose their economic, environmental, and social impacts in a structured, comparable format. Applying the GRI XBRL taxonomy to a report adds machine-readable tags, making the underlying data easier to access, compare, and analyse. Unlike mandatory frameworks, GRI has no fixed filing deadline.
+ How does ARKK approach GRI tagging?
Our team tags your GRI report against the GRI XBRL taxonomy, working either from a document you supply or directly alongside your reporting software provider. Every file goes through review and testing before it's finalised, so your data is ready to be compared and analysed once published.
+ What's the typical for GRI tagging?
Turnaround depends on the size and complexity of your report. Since GRI has no fixed deadline, ARKK can work to whatever timeline suits your reporting cycle, with an expedited service available if you need it sooner.
+ Is GRI reporting mandatory?
No. GRI is a voluntary reporting standard, meaning there's no regulatory deadline attached to it. Many organisations still choose to report against GRI, and to tag that reporting, because it's increasingly expected by investors and stakeholders seeking transparency and comparability.
+ What security measures protect data during GRI tagging?
ARKK holds ISO 27001 certification, the internationally recognised benchmark for information security management, keeping your data secure and your process auditable from start to finish.
+ What are the risks of skipping or rushing GRI tagging?
Because GRI reporting has no fixed deadline, tagging is often treated as a lower priority and left until the last minute, or skipped entirely. This undermines the comparability and credibility the standard exists to provide, since untagged or poorly tagged data can't be analysed and benchmarked in the same way as properly tagged reports.