The short answer
On its own, no. A consent management platform is software that shows a banner, blocks scripts until a visitor chooses, and records the choice. Whether your website is compliant also depends on how that software is configured, which scripts are actually on your pages, what your privacy policy says, and how you handle data once you have it. The vendor controls one of those things, so nearly every vendor's terms say the same thing: you are responsible for your own compliance, and the tool is not legal advice.
Of the 12 platforms reviewed here, 2 guarantee anything at all. Osano guarantees to cover a regulatory fine, up to a cap, for customers on its enterprise-level plans who implemented everything as documented. ConsentStack guarantees that the consent setup itself behaves correctly, on every paid plan, because a ConsentStack Concierge does the configuration. Those are two different promises, and a buyer can reasonably prefer either one. The rest of this page is the evidence.
Disclosure: ConsentStack is one of the platforms in this table, and we are not the only one offering a guarantee. Osano's is real, published, and covers something ours does not. Every row below links to the vendor document it was read from on September 8, 2026, so you can check any claim here against the source, including ours.
What each vendor's terms say
Read from each vendor's own published terms of service, terms and conditions, or guarantee page on September 8, 2026. Marketing pages were ignored. A vendor's governing terms are the document that decides what it has promised you, and that is the document quoted.
| Platform | Guarantees compliance? | Where it says so |
|---|---|---|
| ConsentStack | Yes, covers the setup | Compliance Guarantee policy |
| Osano | Yes, covers the fine | Enterprise Terms of Service and the Guarantee page |
| Complianz | No, disclaims it | Terms of Use and website terms |
| Cookiebot | No, disclaims it | Terms of Service |
| CookieYes | No, disclaims it | Terms and Conditions |
| Didomi | No, disclaims it | Console Terms of Service (self-service) |
| iubenda | No, disclaims it | Terms and Conditions |
| Ketch | No, disclaims it | Terms of Service |
| OneTrust | No, disclaims it | Master Terms of Service v5.1 |
| Termly | No, disclaims it | Terms of Use and site-wide disclaimer |
| TrustArc | No, disclaims it | Subscription and Services Agreement |
| Usercentrics | No, disclaims it | General Terms and Conditions |
The wording, vendor by vendor
Why each platform sits where it does, and the clause it was read from.
Guarantees the behavior of the consent setup itself, on every paid plan, because a ConsentStack Concierge does the configuration. The remedy is a fix first, then a refund of everything paid in the previous 90 days if the setup cannot be brought into compliance. It says in the same document that it does not cover fines, penalties or legal fees.
“For each website on a paid ConsentStack plan, we guarantee that your ConsentStack consent setup behaves in accordance with the consent requirements of the regulations that apply to the regions configured for your site, as represented in ConsentStack's regulations map.” (section 1)
“This guarantee is not an insurance policy and does not cover regulatory fines, penalties, legal fees, or other damages.” (section 6)
Indemnifies enterprise-level customers for a final, non-settlement regulatory fine directly attributable to the platform, up to a cap. The published conditions are strict: the customer must have implemented everything per Osano's documentation, must not have altered the product's appearance, content or default settings, must report a regulator's inquiry within 24 hours, and must claim on its own insurance first. On the cookie-consent pricing page the guarantee is listed only on the custom-priced tier; the Free and Plus plans do not carry it. The same terms also say the platform alone is insufficient for compliance.
“Osano agrees to indemnify Customers with Enterprise level accounts in the full amount of any final and non-settlement … based fine or penalty is issued against the Customer by a governmental regulatory agency … directly caused by Customer's use of the Osano Platform” (Enterprise Terms of Service, section 8.1)
“Osano's liability under this section 5.2 is limited to the lesser of (a) five times the fees paid by Customer to Osano in the twelve-month period preceding notification of the violation leading to the fine or (b) the amount detailed in the Order Form up to a maximum of $500,000. Any amount to be paid by Osano shall be offset by the amount, if any, of Customer's own first party insurance” (The Guarantee)
“The Osano Platform alone is expressly agreed between the parties to be insufficient to ensure that Customer is compliant with applicable privacy regulations and laws.” (Enterprise Terms of Service, section 7.4)
Complianz
complianz.io Terms of UseIts footer-linked terms limit liability to the fees paid in the current year and exclude indirect damage, and its website terms say nothing on the site is legal advice. One caveat worth knowing: both documents carry a banner saying they were generated by Complianz's own terms plugin as demo documents, so they are quoted here with that flag attached.
“The Supplier shall never be liable for any indirect damage suffered by the Customer or third parties, including consequential damage, loss of turnover and profit, loss of data, and immaterial damage.” (Terms of Use, section 14.1)
“Nothing on this website constitutes or is meant to constitute, legal, financial or medical advice of any kind.” (Terms & Conditions, section 12)
Didomi
tos.console.didomi.ioDidomi's paid-plan contract is not published. The one public document, the self-service console terms, makes no warranty of any kind and says its compliance report is only a sample view of what is on a site. Nothing published guarantees compliance.
“Didomi makes no commitment to support the use of the Platform and the Services, and no warranty of installation or use.” (article 3)
Says plainly that the service is not legal advice, that it is the user's sole responsibility to pick the right configuration, and that generating the documents may not be enough for compliance. It disclaims any warranty about conformity to applicable law.
“iubenda does not make any guarantee or warranty, express or implied, regarding quality, suitability and fitness for purpose of its Service, including but not limited to conformity to applicable law of User-generated documents.” (Liability and indemnification)
A dedicated 'No Legal Advice' clause, plus a capitalized disclaimer of any warranty beyond what the agreement expressly sets out.
“Customer understands and acknowledges that the Services, Documentation and any other communication or information provided by Ketch are not intended, and should not be taken, as legal advice.” (section 3.4)
“Except as expressly set forth herein, neither party makes any warranty of any kind, whether express, implied, statutory or otherwise” (section 9.2)
Puts responsibility for legal compliance on the customer in one sentence and states that the services and documentation are not legal advice in the next.
“Customer is responsible for determining whether its use of the Services complies with applicable laws. The Services, Documentation, and other information provided by OneTrust do not constitute legal advice.” (section 4.3)
Carries a disclaimer on every page saying it is not a law firm and its output is not a substitute for legal advice. Its terms of use add, in capitals, that it is not liable if cookies keep running for visitors who did not consent.
“Termly Inc is not a lawyer or a law firm and does not engage in the practice of law or provide legal advice or legal representation.” (site-wide disclaimer)
“Termly is not liable for your failure to disable or remove cookies if your users do not consent to their use.” (Terms of Use, Using Termly's Consent Platform)
Has the customer warrant, as a condition of the contract, that using the product does not constitute compliance with any law and that the customer has an independent duty to comply.
“Customer warrants that it: (a) understands that its use of any Solution does not constitute specific compliance with any law or regulation; and (b) has an independent duty to comply with any and all laws and regulations” (section 7.3)
Makes the customer solely responsible for checking that the services meet the legal requirements that apply to it, and specifically for choosing a compliant configuration. States that it does not provide legal advice.
“The Customer is solely responsible for checking whether the contractually agreed Usercentrics services meet the legal requirements that apply to the Customer. In particular, it is solely the Customer's responsibility to choose a configuration of the Usercentrics services which complies with applicable data protection regulations.” (section 5.3)
The two guarantees are not the same instrument
It is tempting to read “guarantee” as one thing and rank the two. They are not comparable that way. One is a promise about money after something has gone wrong. The other is a promise about the setup, made by the people who did the setup. The table reads each column from that vendor's own published terms.
| Aspect | Osano, No Fines No Penalties | ConsentStack, Compliance Guarantee |
|---|---|---|
| What it covers | A final, non-settlement regulatory fine or penalty that is directly attributable to the platform's non-compliance. | The behavior of your consent setup: the banner shows where required, catalogued trackers are blocked before consent where required, a rejection is honored, and consent records are kept. |
| The remedy | Payment of the fine, up to the cap, after you have claimed on your own insurance and exhausted reimbursement from your insurer. | A fix, as the highest priority. If the setup cannot be brought into compliance, a refund of everything you paid for that site in the previous 90 days. |
| The cap | The lesser of five times the fees you paid in the preceding twelve months, or the amount in your order form, up to a maximum of $500,000. | 90 days of fees for the affected site, prorated for annual plans. |
| Who is eligible | Enterprise-level accounts with an order form signed after July 8, 2025. On the cookie-consent pricing page it is listed only on the custom-priced tier; Free and Plus ($199/mo) do not carry it. | Every paid plan, from $29/mo. No enterprise tier, no sales call to qualify. |
| Who configures it | You do. Coverage requires that you have implemented all Osano products according to Osano's documentation and applied every platform update. | A ConsentStack Concierge does, at no charge, and keeps access to your account so the configuration can be kept correct. |
| What voids it | Anyone other than Osano customizing or altering the appearance, content or performance of the product in any way; changing the recommended default settings; not reporting a regulator's inquiry within 24 hours. | Overriding the tracker catalogue with your own tracker definitions; removing or modifying the snippet; running the site in test mode. Restyling the banner does not affect it. |
| What it excludes | Settlements, third-party claims, the cost of defending an inquiry, civil judgments, and penalties for your own prior acts. The terms state the platform alone is insufficient for compliance. | Fines, penalties, legal fees and damages; your privacy policy and data practices outside the consent layer; scripts you chose to allow; legal advice. |
| Can the terms change | Osano may, on written notice, amend the guarantee page or delete the section in its entirety. | Changes apply prospectively, and active customers are notified before any material reduction takes effect. |
The most useful row is who does the configuration. Osano's guarantee applies to customers who “have implemented all Osano products according to our documentation”, so a configuration mistake on the customer's side is outside it. ConsentStack's requires that a ConsentStack Concierge does the configuration, so a configuration mistake is inside it by construction. Neither is a trick. They are different answers to the same problem, which is that a consent tool set up wrong is not compliant, no matter whose logo is on it.
Why almost every vendor disclaims it
The disclaimers are not evasive. Under the GDPR your organization is the controller for your own website, and the consent platform is a processor acting on your instructions. A regulator fines the controller. The vendor cannot see which scripts your developers add next month, cannot write your privacy policy, and cannot stop a marketing tag that was pasted in outside the platform. A vendor that guaranteed the outcome of all that would be guaranteeing things it cannot observe.
So the honest position for a self-serve tool is the one Cookiebot's terms state directly: the tool cannot guarantee that using it “will automatically lead to compliance”. That is true of every platform on this page, including ours, when the customer configures it alone. A guarantee only becomes possible when the vendor either narrows what it promises to the piece it controls, or takes control of more of the setup. Osano did the first. ConsentStack did the second.
What to ask, if a vendor tells you they guarantee compliance
The word covers promises that behave very differently the day you need one. Four questions separate them, and each has a clear answer in both published guarantees above.
A fine guarantee pays money after a regulator acts. A setup guarantee promises the banner, the blocking and the records behave correctly, and fixes them when they do not. Ask which one you are being offered, and what the remedy is when it is triggered.
If you configure it, read the clause about implementing “according to documentation”. That clause decides whether your mistake voids the guarantee. If the vendor configures it, ask what they need from you to keep standing behind it.
A guarantee that appears on the pricing page but only on the tier with no listed price is a sales conversation, not a feature. Ask whether the plan you would actually buy is covered, in writing.
Every guarantee has conditions. Ask whether changing the banner's appearance, missing a platform update, or reporting an inquiry late ends the coverage, and ask to see the clause rather than a summary.
Where we stand
We are not the only consent platform with a guarantee, and this page would be dishonest if it implied otherwise. Osano publishes one and it covers something ours explicitly excludes: the fine itself. If what you want is money on the table after a regulator acts, that is the instrument to evaluate, and its conditions are quoted above.
What ours guarantees is the setup. On every paid plan, a ConsentStack Concierge configures your consent banner, and because we did the configuration we guarantee its behavior: the banner shows where the law requires it, catalogued trackers are blocked before consent where the law requires it, a visitor's rejection is honored, and consent records are kept as proof. If any of that is wrong, fixing it is our highest priority. If we cannot fix it, we refund everything you paid us in the previous 90 days. There is no enterprise tier to unlock and no sales call to qualify.
What it does not do. It does not pay fines, penalties or legal fees, and it is not legal advice or a warranty on your privacy program beyond the consent layer. It ends if you override our tracker catalogue with your own definitions, because at that point your rules are making the compliance decisions instead of ours. Restyling the banner does not affect it. Every condition is published in the Compliance Guarantee policy, and the plain-language version is on the guarantee page.
One thing worth saying plainly, because it cuts against the whole category: no guarantee, ours included, makes a website compliant. It changes who carries the risk when something is wrong. The setup being right in the first place is what matters, and the fastest way to know is to look. Our scanner shows what your site actually does after a visitor clicks Reject, whichever platform you use.
A guarantee tells you who pays. A scan tells you if you need one.
See which trackers fire before consent and after a visitor rejects, on the platform you already have.
Questions
Not on its own. A consent platform shows the banner, blocks scripts until a visitor chooses, and records the choice. Compliance also depends on how the platform is configured, which scripts are actually on your pages, what your privacy policy says, and how you handle data afterwards. That is why nearly every vendor's terms say you are responsible for your own compliance and the tool is not legal advice. A correctly configured platform is necessary; it is not sufficient.
Of the twelve platforms reviewed, two publish one. Osano offers a No Fines, No Penalties guarantee that pays a final regulatory fine directly attributable to its platform, up to the lesser of five times your trailing twelve-month fees or your order form amount, capped at $500,000, for enterprise-level accounts. ConsentStack offers a Compliance Guarantee that covers the behavior of the consent setup on every paid plan, with a fix-first remedy and a refund of the previous 90 days of fees if the setup cannot be fixed. The other ten disclaim any compliance guarantee in their terms.
Under its published terms, yes, with conditions. The fine must be final and not a settlement, must be directly attributable to the Osano platform, and the customer must be on an enterprise-level plan, have implemented everything per Osano's documentation, not have altered the product's appearance, content or default settings, and have notified Osano within 24 hours of the regulator's inquiry. The payment is offset by the customer's own insurance and capped at the lesser of five times twelve months of fees or the order form amount, up to $500,000. It excludes settlements, defense costs and third-party claims.
No. It is a product guarantee about how your consent setup behaves, not an insurance policy. If a covered setup does not behave as guaranteed, fixing it is ConsentStack's highest priority, and if it cannot be fixed, everything you paid for that site in the previous 90 days is refunded. Fines, penalties, legal fees and damages are outside it, and the policy says so in its own words.
Because under the GDPR the website owner is the controller and the consent platform is a processor acting on its instructions. The regulator fines the controller. The vendor cannot see which scripts you add next month, cannot write your privacy policy, and cannot stop a tag pasted in outside the platform, so it cannot honestly warrant the legal outcome of things it does not control. The disclaimers describe that division of responsibility accurately.