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Cookie Policy.

What cookies we set, why they're necessary, and how to control them. A short list - we keep tracking to the minimum needed to operate the directory.

Last updated 26 May 2026

About this policy

This Cookie Policy explains how OmniFound Limited (operator of the AgencyIndex directory at marketingagencyindex.com) uses cookies and similar technologies. It supplements our Privacy Policy, which covers personal data handling more broadly.

AgencyIndex's general approach: we use the minimum number of cookies needed to make the site work, plus a single privacy-respecting analytics stack that only runs with your consent.

What are cookies?

Cookies are small text files stored on your device when you visit a website. They are used to remember information about you (such as that you are signed in) or about your device (such as your preferred language). Cookies can be "session" cookies (deleted when you close your browser) or "persistent" cookies (kept until they expire or you delete them). They can be set by us ("first-party") or by a third party we work with ("third-party").

Other technologies (such as local storage, session storage, and similar web-platform APIs) work similarly. Where we mention "cookies" in this policy we mean cookies and these similar technologies collectively.

Cookies we use

We group cookies into three categories, each independently controllable from the cookie banner or the "Manage cookies" link in the footer:

  • Strictly necessary— required for the site to function. Always on; cannot be opted out of (without these the site doesn't work).
  • Analytics— Google Analytics 4 for anonymous usage measurement. Off by default; opt in via the banner or preferences.
  • Marketing— for any future advertising or remarketing pixels. We pre-collect this category so we don't have to re-prompt you if we add such tools later. Currently NO marketing or advertising tags fire on the site, even if you accept this category.

Strictly necessary

CookiePurposeLifetime
ai_sessionAuthenticates you on your account dashboard after you sign in via magic link. HttpOnly and SameSite=Lax so it cannot be read by third-party scripts.30 days
ai_accessPre-launch password-gate cookie used while the site was in private preview. Removed automatically once the site is publicly launched.30 days
ai_consentStores your cookie consent preferences (whether you have accepted or rejected analytics). Set when you first interact with the cookie banner.12 months

Analytics (consent-required)

CookieSet byPurposeLifetime
_gaGoogle Analytics 4Distinguishes individual visitors. Aggregated into traffic and behaviour reports we use to improve the directory.2 years
_ga_*Google Analytics 4Stores per-session analytics state (e.g. a session identifier). Always paired with _ga.2 years

We use IP-anonymisation in Google Analytics so your IP address is not stored.

Marketing (consent-required, currently inactive)

The Marketing category is exposed in the cookie banner so we can collect consent in advance if we ever introduce advertising or remarketing pixels (Meta Pixel, LinkedIn Insight Tag, Google Ads remarketing, TikTok Pixel, etc.). As of the "Last updated" date at the top of this page, no marketing cookies fire on this site, even for visitors who have accepted the Marketing category. If that changes, we will update this policy and surface the banner again so you can review.

Third-party cookies on linked services

Some pages on AgencyIndex hand you off to third-party services that may set their own cookies under their own privacy policies. The main two are:

  • Stripe— when you upgrade a listing to the Featured tier, you are redirected to Stripe's hosted checkout and customer portal pages. Stripe sets its own cookies (necessary for payment security and fraud prevention) under stripe.com/cookies-policy/legal. These cookies are on Stripe's domain, not ours, and are governed by Stripe's consent flow.
  • Sanity Studio — the embedded admin tool at /studio (used by Tom and authorised editors) sets its own authentication cookies. The Studio is not accessible to regular visitors.

Browser controls

Most browsers let you view, delete, and block cookies via settings. The links below take you to the relevant help pages:

Blocking strictly-necessary cookies will likely break sign-in and any account-management functionality. Blocking analytics cookies has no functional impact on the site.

Changes to this policy

We may update this Cookie Policy from time to time, particularly when we add or remove tools that set cookies. The "Last updated" date at the top of this page shows the effective version. If we add a new category of cookies that requires consent, we will surface the consent banner again so you can review.

Contact us

Questions about cookies or this policy go to [email protected]. For complaints about how we handle your data, you have the right to contact the UK Information Commissioner's Office: ico.org.uk/make-a-complaint.