Google Marketing Platform (GMP) is the brand under which Google sells its enterprise advertising and analytics software to large advertisers and agencies. It groups a demand-side platform, a search management tool, an advertiser ad server and the paid tiers of Google Analytics and Google Tag Manager under one administrative layer and, usually, one negotiated contract. It exists because the self-serve Google Ads interface was never built to run multi-channel, multi-vendor media plans for global brands. Google created the brand on June 27, 2018, by merging DoubleClick Digital Marketing with the Google Analytics 360 Suite.

What sits inside the platform

Google's product page, as read in October 2026, splits GMP into two enterprise groups. The advertising group holds Display & Video 360 (DV360), Search Ads 360 (SA360) and Campaign Manager 360 (CM360). The analytics group holds Analytics 360 and Tag Manager 360. Google Ads, AdSense, Google Ad Manager and Google Cloud appear only as "related products", outside the platform.

Each product does a separate job:

  • DV360 is the demand-side platform (DSP). It bids on individual impressions in real time across display, video, audio, connected TV (CTV) and YouTube inventory, and executes private deals with publishers.
  • SA360 manages paid search across Google Ads, Microsoft Advertising, Yahoo! JAPAN and Baidu from one interface, with shared bidding and reporting.
  • CM360 is the advertiser ad server. It hosts creatives, issues the tags placed on publisher pages or inside DSPs, counts impressions and clicks, and runs Floodlight, the conversion tag that most GMP attribution relies on.
  • Analytics 360 measures activity on the advertiser's own sites and apps, with higher limits and contractual guarantees than the free version.
  • Tag Manager 360 deploys and governs tracking scripts, including Floodlight and Analytics tags, without code releases.

The glue is an administrative layer called Platform Home. An advertiser creates an organization there, links product accounts to it, manages users and user groups centrally and monitors billing in one view. One administrator can create up to 100 organizations, each holding up to 200 user groups, according to Google. Linked products pass data sideways: Analytics 360 audiences flow into DV360 and SA360, Floodlight conversions from CM360 feed DV360 bidding, and cost data returns to Analytics reports.

The gap between free and paid tiers is mostly scale. Analytics 360 allows 100 parameters per event against 25 in the standard product, 400 audiences against 100, data retention of up to 50 months against 14, and a daily BigQuery export of "billions of events" against one million, according to Google's Analytics help centre. Pricing is not published. Contracts are negotiated with Google or through resellers in the Google Marketing Platform Partners programme, which launched in July 2018 with more than 500 companies split into certified individuals, certified companies and sales partners.

Data now enters the stack through more than tags. Version 1.7 of the Data Manager API, dated May 28, 2026, added offline conversion uploads to CM360, SA360 and DV360, along with a FLOODLIGHT_CONFIG destination type and a dclid field for the DoubleClick click identifier. Until then, the API's offline conversion route covered only Google Ads and Google Analytics. Ads Data Hub, a separate Google Cloud tool, lets advertisers query event-level data from Google Ads, CM360 and DV360 without it leaving Google.

From DoubleClick to GMP

The advertising half descends from DoubleClick, founded in 1996. Google completed its acquisition on March 11, 2008, after agreeing a $3.1 billion price in April 2007. DoubleClick's agency ad server became DoubleClick Campaign Manager. In June 2010 Google bought Invite Media, whose bidding software became DoubleClick Bid Manager in 2012.

The analytics half has a separate lineage. Google Analytics launched free in 2005, built on the acquired Urchin. A paid tier, Google Analytics Premium, followed in September 2011 at a fixed $150,000 a year, according to Research Live. On March 15, 2016, Google announced the Google Analytics 360 Suite: six products covering analytics, tag management, attribution, testing (Optimize 360), visualisation (Data Studio 360) and a data management platform (Audience Center 360).

The June 27, 2018 rebrand collapsed Google's advertising business into three brands: Google Ads for most advertisers, Google Ad Manager for publishers and GMP for large advertisers. Sridhar Ramaswamy, then senior vice president of ads and commerce, wrote that GMP would help marketers "plan, buy, measure and optimize digital media and customer experiences in one place". DoubleClick Search became Search Ads 360, and DV360 absorbed features from DoubleClick Bid Manager, Campaign Manager, Studio and Audience Center. Campaign Manager survived as a separate product, later carrying the 360 suffix; Google's own pages do not date that rename.

The line-up has since narrowed. Google rebuilt SA360 on Google Ads technology on February 8, 2022. Data Studio was renamed Looker Studio in October 2022, then took back the Data Studio name on April 11, 2026, and no longer appears on the GMP product page. Optimize 360 closed on September 30, 2023. Universal Analytics 360 properties were shut and their data deleted on July 1, 2024, leaving Google Analytics 4 as the only Analytics 360 product.

Why it matters to marketers

GMP decides how much of Google's ecosystem a large buyer can reach programmatically. DV360 and Google Ads are the two routes into YouTube auctions, an arrangement US state attorneys general argued tied YouTube demand to Google's buying tools. In search, Judge Amit Mehta's August 5, 2024 opinion found that SA360 handled 76% of the search advertising spend routed through third-party management tools, as summarised in PPC Land's SA360 explainer. For agencies, GMP seats are the default stack at many holding company trading desks, so changes to its billing or data rules land across the industry at once.

Several such changes are scheduled. In February 2027 DV360 and CM360 move from on-download to begin-to-render impression billing; Google expects "a slight decrease" in billed volumes without quantifying it. From January 11, 2027, Google Ads, DV360, SA360 and CM360 tags in server-side Google Tag Manager containers receive full visitor IP addresses by default unless container owners build a redaction step. Since July 2026, DV360 and CM360 have also been among five Google products carrying mandatory AI-generated content labels.

Google's own pitch is integration. At its March 2026 NewFront, Google cited a 76% return on ad spend (ROAS) lift for advertisers adding another GMP product, a figure drawn from advertiser data that PPC Land could not verify.

Criticisms and disputes

The same integration sits at the centre of the regulatory case against Google. On September 5, 2025, the European Commission fined Google 2.95 billion euros for favouring its AdX exchange from 2014 to 2025, finding that DV360 and Google Ads directed bids mainly to AdX. The public version of the decision, released in January 2026, described Project Poirot, a 2017 programme that reduced DV360 bids into rival exchanges by up to 90%. Teresa Ribera, the Commission's executive vice-president, said "the only way for Google to end its conflict of interest effectively is with a structural remedy". Google rejected that call in a behavioural proposal filed on November 13, 2025.

In the United States, Judge Leonie Brinkema found on April 17, 2025 that Google monopolised the publisher ad server and ad exchange markets. Her September 2, 2026 remedies ruling spared AdX from a sale and imposed a six-year decree that leaves DV360 untouched because it played no role in the liability phase. The parties filed a joint proposed final judgment on October 2, 2026, with unresolved gaps over deadlines and geographic reach: plaintiffs want rival ad servers connected to AdX within six months, Google within twelve. As of November 13, 2026, the public court docket showed no entry after that filing.

Other criticisms are commercial. Fees are negotiated privately, so buyers cannot compare contracts. Ads Data Hub keeps log-level data inside Google's environment, which critics describe as a walled garden that limits independent verification.

Not the same as

  • Google Ads is the self-serve platform for Search, Shopping, YouTube, Demand Gen and Performance Max campaigns. It is not part of GMP, although SA360 manages Google Ads accounts and both reach YouTube.
  • Google Ad Manager is the sell-side counterpart, combining the former DoubleClick for Publishers (DFP) and AdX. Publishers use it; advertisers use GMP.
  • Google Marketing Live is Google's annual advertiser event, not a product.
  • Analytics 360 is one GMP component, not a synonym for the platform. The two are sometimes conflated because the 2016 Analytics 360 Suite was one of the halves merged in 2018.

Recent developments

Gemini now runs through most GMP announcements. At its NewFront on March 23, 2026, Google made Ads Advisor generally available in DV360 and introduced Confidential Publisher Match. On October 22, 2026, Glenn Thrope, product director for DV360, published the first "Google Marketing Platform Drops" post, which added Gemini-curated media bundles to the DV360 Marketplace for live sports and tentpole events, capped at 50 packages per line item, and listed LinkedIn CTV inventory and a new SA360 Home view.

Measurement is shifting as well. Google said Floodlight would begin, during November 2026, to use Google signed-in data to recover unattributed cross-device conversions in DV360, SA360 and CM360 reporting, without estimating the volume or saying whether historical data would be restated. Housekeeping continued alongside: DV360 replaced sensitive categories with three inventory tiers and ten content themes on October 1, 2026, and auto-archived legacy video line items on October 26. SA360 keeps adding commerce media, with Koddi bringing its retailer network inside SA360 on June 17, 2026, nine months after Criteo became the first onsite retail media partner.

Timeline

  • 1996: DoubleClick is founded
  • April 2007: Google agrees to acquire DoubleClick for $3.1 billion
  • March 11, 2008: Google completes the DoubleClick acquisition
  • June 2010: Google acquires Invite Media, later the basis of DoubleClick Bid Manager
  • September 2011: Google Analytics Premium launches at $150,000 a year
  • March 15, 2016: Google announces the Google Analytics 360 Suite
  • June 27, 2018: Google Marketing Platform is announced; DoubleClick Search becomes Search Ads 360
  • July 2018: Google Marketing Platform Partners programme launches with more than 500 companies
  • February 8, 2022: Google launches a rebuilt Search Ads 360
  • October 2022: Data Studio is renamed Looker Studio
  • September 30, 2023: Optimize 360 shuts down
  • July 1, 2024: Universal Analytics 360 properties and data are deleted
  • August 5, 2024: US search ruling records SA360's 76% share of third-party tool spend
  • April 17, 2025: US court finds Google monopolised publisher ad server and ad exchange markets
  • September 5, 2025: European Commission fines Google 2.95 billion euros over ad tech
  • September 10, 2025: Criteo named first onsite retail media partner for SA360
  • November 13, 2025: Google files its behavioural proposal with the Commission
  • March 23, 2026: Google NewFront brings Ads Advisor to DV360
  • April 11, 2026: Looker Studio reverts to the Data Studio name
  • May 28, 2026: Data Manager API v1.7 adds offline conversions for CM360, SA360 and DV360
  • June 17, 2026: Koddi integration launches in SA360
  • July 2026: AI content labels roll out across DV360, CM360 and three other Google products
  • September 2, 2026: US remedies ruling leaves AdX with Google and DV360 outside the decree
  • October 1, 2026: DV360 retires sensitive categories for programmatic inventory
  • October 2, 2026: Parties file joint proposed final judgment in the US ad tech case
  • October 22, 2026: First Google Marketing Platform Drops post published
  • October 26, 2026: DV360 auto-archives legacy video line items
  • November 2026: Floodlight starts using Google signed-in data for attribution
  • January 11, 2027: Google ad tags in server-side GTM receive full IP addresses by default
  • February 2027: DV360 and CM360 billing moves to begin-to-render impressions

Summary

Who: Google builds and sells the platform. Large advertisers, agency trading desks and Google Marketing Platform Partners operate it, and competition authorities in Brussels and Washington have examined how its buying tools route bids to Google's own exchange.

What: An enterprise suite combining DV360, Search Ads 360, Campaign Manager 360, Analytics 360 and Tag Manager 360, linked through organizations in Platform Home and sold under negotiated contracts.

When: Announced on June 27, 2018, from DoubleClick products dating to 1996 and an analytics suite launched in 2016. Gemini tools arrived through 2026, and tagging and billing changes are due in January and February 2027.

Where: On the buy side of digital advertising, between advertisers and the exchanges, search engines and publishers they buy from, with the analytics products running on the advertiser's own sites and apps.

Why: To give large advertisers one stack to plan, buy, serve and measure campaigns across channels, an integration Google promotes as its main advantage and regulators treat as a channel for self-preferencing.