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Zeffy

How safe is Zeffy for non-profits & fundraising?

GDPR profileOur summary of what the provider itself publishes about your data: whether the data is stored in the EU (2 points), whether there is a certification or GDPR guarantee (1), and whether the provider is established in the Netherlands or the EU (1). 3 or 4 points is Strong, 2 Good, 1 Limited, 0 Unknown. How we measure for non-profit & fundraisingUnknown

The maker of Zeffy publishes little about data protection. Ask about this before you put confidential non-profit & fundraising data into it.

Where does Zeffy stand in non-profit & fundraising?

Shared spot 9 of 26 options for non-profit & fondsenwerving (professional tools and general assistants) on GDPR profile. 11 options, like Zeffy profile, are unknown. Each tile is an option we track for this field; click for the check.

Strong6
Good0
Limited2
Unknown11
Caution7

Published safeguards

None of these three found in what the provider publishes; you can read what is there below. Is this your tool? Add the details

platform and payment processing; B Corp certified; servers in North America

How to use Zeffy safely

  • Use the business variant and sign a data processing agreement (DPA).
  • Do not enter unnecessary personal data into prompts; anonymise where possible.
  • Ask the provider explicitly where data is stored and processed.
  • Keep a professional in the loop: donor data is personal data under the GDPR; use only systems with a data processing agreement and preferably EU hosting.

Stronger or equally strong in non-profit & fundraising

EudonetEudonet (FR, Courbevoie; also NL)CrowdinCrowdin OÜ (Estonia, Europe)ClaudeAnthropicChatGPTOpenAILe Chat (Mistral)Mistral AI

Questions

How safe is Zeffy for non-profit & fundraising?
The maker of Zeffy publishes little about data protection. Ask before you put confidential non-profit & fundraising data into it. The provider publishes little on this, ask before business use.
Does Zeffy train on my data?
platform and payment processing; B Corp certified; servers in North America
What should I watch out for with AI in non-profit & fundraising?
Donor data is personal data under the GDPR; use only systems with a data processing agreement and preferably EU hosting. Automated donor profiling (wealth screening) can be sensitive: be transparent in your privacy policy. AI-written grant applications require human checking for accuracy and alignment with the organisation's identity.

Everything about Zeffy Best AI for non-profit & fundraising

Summarised by the editorial team from provider documentation · not legal advice

Last checked: 21 October 2026 · How we check

Next stepAll 26 options for non-profit & fundraisingProfessional tools and general assistants side by side, on GDPR profile, price and quality.

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