On-demand sustainability expertise for every ESG task.
Proofsprig connects organizations with vetted sustainability professionals for discrete, clearly scoped work — the expert capacity behind your next reporting need, improvement opportunity, or responsible-business priority.
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Deliverable
Supplier-level human-rights risk summary with sources and next-step recommendations.
Scope
One clear question
Tempo
When the work is ready
A clearer unit of ESG work
Expertise that fits the task, not the other way around.
Proofsprig is a task marketplace for the work that sits between an expanding sustainability priority and a team's available capacity — from regulatory reporting to voluntary commitments, risk questions, and practical improvements.
- 01
Name the work
Turn a reporting requirement, improvement opportunity, or risk question into a clear, bounded task with a useful finish line.
- 02
Meet the right expertise
Connect with a vetted sustainability professional whose experience fits the brief.
- 03
Move it forward
Get accountable project support and a useful deliverable without adding a permanent role or a consulting retainer.
Typical workstreams
ESG / 2026Supplier assessment and evidence review
Create a defensible view of supplier exposure and evidence.
Human-rights and modern-slavery research
Bring context and care to the human impact in your value chain.
ESG data gathering and reporting support
Turn scattered inputs into useful material for your next decision.
For organizations
Add the right hands to the queue.
CSRD, CBAM, EUDR, and supply-chain due diligence are important workstreams. So are voluntary commitments, sustainability improvements, risk avoidance, reputational resilience, internal requirements, and other responsible-business goals. When a project needs research, judgment, or careful follow-through, source the capability for that moment.
Keep internal teams focused on the decisions only they can make.
Get defined outputs instead of an open-ended consulting engagement.
Build a more accountable record of how the work got done.
Start with the work in front of you
A better brief is a better beginning.
Tell us what needs doing, and we'll help you think through the right kind of sustainability expertise.
For specialists
Let your expertise travel with you.
Proofsprig gives independent sustainability professionals a practical way to earn from their experience — one well-defined project at a time, without attaching themselves to a client company.
Flexible
Choose work that fits your capacity.
Focused
Bring depth to a brief with a clear edge.
Useful
Make progress that a team can act on.