# Tag Docket > Tag Docket is the campaign-link registry for agency paid-media teams: every UTM built from approved values, recorded with who made it, and never changed after it ships. Tag Docket is a web app for marketing and advertising agencies that build tagged campaign links (UTM parameters) and QR codes for their clients. Links are composed only from values the agency has approved, everything is lowercased so GA4 never splits one source into two, and a link is never changed after it ships. It is built by MM Sanford, LLC, an independent studio in Green Bay, WI. Key facts: - Pricing is per live client, never per link or per seat. Every plan includes unlimited links, QR codes, short codes and seats, and every platform pack. - Start a 14-day free trial, no card needed: name your agency, pick the kind of clients you have, and you are building links in minutes. Your team signs in with an emailed link; there are no passwords to create, share or reset. - It does not run ads, log in to ad accounts, or grant itself access to GA4; a person grants GA4 access. - Export of a client’s full link history is always free, and clients can move between agencies with their records. ## Product - [Features](https://tagdocket.com/features): building, governing, printing, history, import, ownership, team and white label - [Platforms](https://tagdocket.com/platforms): the 7 platform packs (Google Ads, Meta, Microsoft Advertising, TikTok, Snapchat, LinkedIn, Spotify), their macros and how each is monitored - [Pricing](https://tagdocket.com/pricing): plans and the questions people ask about them - [Start a free trial](https://app.tagdocket.com/signup): how an agency gets an account - [Sign in](https://app.tagdocket.com/signin): the app itself ## What it does - UTM link builder that composes every link from an agency-approved taxonomy - Live preview and inline validation, with bulk paste of many destinations - Landing-page check for broken pages, redirects that drop the query string and missing analytics tags - Pairing rules that say which taxonomy values go together - Industry starter values, or values read from a client’s website, to begin a client’s taxonomy - Frozen mints: a link’s parameters are never recomputed after it ships - Complete link history with who made each link and when - Platform packs for Google Ads, Meta, Microsoft Advertising, TikTok, Snapchat, LinkedIn and Spotify - Platform variables that fill utm_content, utm_term and utm_id from ad-platform macros - Print-ready QR codes with scan-distance sizing and repointable short codes - Spreadsheet import of existing links, stored exactly as they ran - GA4 connection per client, verified with a real query, through a per-agency service account - Client transfers between agencies with full link history - Roles, per-client access and white-label branding from the agency’s website - CSV export, always free ## Plans - Starter: $15/month or $150/year (two months free) — 5 live clients. A freelancer, or a small shop with a handful of accounts. - Studio: $49/month or $490/year (two months free) — 25 live clients. A paid-media team running a full roster for one office. - Agency: $129/month or $1,290/year (two months free) — 100 live clients. Several buyers, several teams, one taxonomy they all mint against. - Custom: quoted — unlimited live clients. More than 100 clients, or terms agreed with us directly. ## Writing - [Why we charge per client](https://tagdocket.com/blog/why-we-charge-per-client): Tag Docket's plans are metered on clients: never on links, never on seats. The reason is the forty-first link, and what a media buyer does with it when there is a cap in the way. - [The yard sign that outlived its landing page](https://tagdocket.com/blog/the-yard-sign-that-outlived-its-landing-page): Printed pieces cannot be recalled, and they are still being scanned long after the page they pointed at is gone. How Tag Docket's short codes are built for that: 302 not 301, retargeting that keeps the tagging, and a retired page that tells the person their phone is fine. - [Thirteen thousand sessions called Social](https://tagdocket.com/blog/thirteen-thousand-sessions-called-social): An audit of a live GA4 property found 13,494 sessions split across two spellings of one word. Why Tag Docket lowercases every value with no way to turn it off, and the other small things that quietly split a report. ## Company - [About](https://tagdocket.com/about): who builds Tag Docket and why - Contact: hello@tagdocket.com - Made by [MM Sanford, LLC](https://msanford.com)