Overview

Built on the BigQuery sharing platform, formerly Analytics Hub, the service gives owners, contributors, and subscribers distinct roles for managing rooms, publishing data, and querying shared data. A shared resource must be a BigQuery table, view, or table-valued function, making this a focused option for organizations whose collaboration already centers on BigQuery rather than a general-purpose data exchange.

Google identifies campaign planning, measurement and attribution, and activation as primary uses, as well as applications in retail, financial services, healthcare, and supply chains. Data stays in place while parties join and analyze it, which can support collaboration without handing partners copies of underlying records.

Key features

Rules and query templates

Contributors can set analysis rules, including aggregation thresholds that limit subscribers to aggregate queries. Query templates let owners and publishers provide predefined queries without exposing the underlying tables or views. These controls are useful for shaping access, but they are not a guarantee against disclosure: Google cautions that sophisticated queries may still extract unauthorized data. Rules can be set only on views, and Google recommends templates when approved-query control matters.

Data and output controls

Subscribers are automatically prevented from copying or exporting raw data, and contributors can configure controls for query results. This combination addresses both raw-data egress and the handling of query outputs, though it does not remove the need to design rules and approved queries carefully.

Capacity and regional scope

Each room supports at most 100 shared resources; Google says to contact its feedback address to request an increase. Rooms are available only in BigQuery sharing regions, and listings across multiple regions are not supported. Those constraints may complicate larger or geographically distributed collaborations.

Pricing

The service is free to use, with costs divided by role rather than a single room subscription: contributors pay for data storage, while subscribers pay for compute when they run queries. The Data contributor role publishes data to a room; the Data clean room subscriber role subscribes to and queries it. Neither role has a separate published price, so the relevant expense is the storage or query compute each party incurs.

There is a free plan, but free access does not mean storage and query work are cost-free. Teams should account for their own data storage and subscriber compute rather than treating the service as an all-included collaboration budget.

Platforms

BigQuery Data Clean Rooms are a cloud service with web and API access. The Google Cloud console supports room management, while the API can create rooms. Setup requires enabling the Analytics Hub API and assigning required IAM roles; owners need the Analytics Hub Admin role. That administrative setup makes it a stronger fit for teams already equipped to manage Google Cloud access than for groups seeking a standalone, low-setup tool.

Who it's for

Choose it when multiple parties need to collaborate on BigQuery data while keeping source data in place, and when role separation, aggregation rules, query templates, and output controls match the governance model. It is less suitable when a project needs cross-region listings, more than 100 resources in one room, or assurance that analysis rules alone prevent every sophisticated extraction attempt.

Pros and cons

Pros: Contributors retain data in BigQuery while subscribers can join and analyze it without raw-data copying or export.
Pros: Role separation, aggregation thresholds, query templates, and configurable result controls give teams several ways to shape collaboration.
Pros: Storage and compute charges fall to the parties that contribute data and run queries, respectively, rather than a stated clean-room subscription fee.
Cons: Analysis rules apply only to views and may not stop sophisticated queries from extracting unauthorized data.
Cons: The 100-resource ceiling and single-region listing constraint restrict room scale and geographic reach.
Cons: API activation and IAM role assignment add cloud administration work before collaboration can begin.

Alternatives

For a wider comparison, see Data Clean Room Software.

Placino is a freemium alternative with a free tier capped at 500K datapoints per month, one clean room, and up to three partners, with community support; consider it when those explicit starter caps fit.
LiveRamp Clean Room is a paid option with no free plan or trial; its Standard plan starts at 20000.00 USD per year for fewer than 5 million customer records and 1–3 media destinations, suited to buyers seeking that stated packaged scope.
Amazon Marketing Cloud is a free option for eligible advertisers, making it an alternative to consider when advertiser eligibility and its web-based access align.
AWS Clean Rooms uses pay-as-you-go pricing, with charges depending on capabilities and AWS Region; consider it when that usage-based AWS model is a better fit.
Decentriq Data Clean Rooms is a paid alternative with pricing available by demo request.
InfoSum Data Clean Room is another paid alternative.
AppsFlyer Data Clean Room has a free plan and a premium feature whose pricing is available by contacting AppsFlyer.
Optable Collaborate is a paid alternative with pricing available by demo request.

Verdict

BigQuery Data Clean Rooms are a sound choice for organizations already using BigQuery that need partner analysis without moving source data, especially when role-based access and query templates can govern the work. Look elsewhere if the collaboration must span multiple regions, exceed 100 resources per room, or rely on analysis rules as a complete defense against data extraction.

	BigQuery Data Clean Rooms	Cayley
Free plan	No	Yes
Free trial	No	No
Paid from	—	Free
Open source	No	No
Platforms	api, Web	api, Linux, macOS, self-hosted, Web
Deployment	cloud	self_hosted
Query languages	—	Gizmo, MQL, GraphQL dialect

BigQuery Data Clean Rooms vs Cayley

BigQuery Data Clean Rooms

Cayley