BigID vs OneTrust:Which is more popular?
In September 2026, BigID had more branded searches than OneTrust among data privacy platforms worldwide. BigID had about 4,400 branded searches, while OneTrust had 40. BigID made up 8% of all data privacy platform searches we track, and OneTrust accounted for 0.07%. When we asked ChatGPT and Google AI Overviews about data privacy platforms, BigID and OneTrust each appeared in four of the five answers. OneTrust was mentioned before BigID in every answer.
Who do people search for more?
BigID, about 110 searches for every 1 for OneTrust
Who does AI mention more?
Both were mentioned in 4 of 5 answers.
Who does AI recommend more?
OneTrust, named ahead of BigID in every answer
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Top data privacy platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, BigID and OneTrust were each mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. OneTrust was listed before BigID in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Osano4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers- BigID4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- OneTrust4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
TrustArc3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Securiti2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
DataGrail2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Ketch2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Transcend2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about data privacy platforms
5 answers
Asked ChatGPT
“Which data privacy platform should I use?”
Asked ChatGPT
“What are the best data privacy platforms?”
Asked ChatGPT
“What's the best data privacy platform for privacy compliance?”
Searched Google, AI Overview
“data privacy platforms”
Searched Google, AI Overview
“data privacy tool”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is BigID or OneTrust more popular in search?
This chart shows how often people search Google for BigID and OneTrust by name. Each line represents a brand's share of searches for all eight data privacy platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for BigID, OneTrust. The figures are in the table below the chart.
View monthly share of searches table
| Month | Securiti | TrustArc | Osano | BigID | DataGrail | Ketch | Transcend | OneTrust |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 62.4% | 18.6% | 8.3% | 8.3% | 2% | 0.11% | 0.14% | 0.1% |
| Nov 2025 | 61.2% | 18.3% | 8.2% | 10% | 2% | 0.14% | 0.21% | 0.06% |
| Dec 2025 | 60.1% | 18% | 9.8% | 9.8% | 1.8% | 0.2% | 0.2% | 0.05% |
| Jan 2026 | 63.3% | 15.5% | 8.4% | 10.3% | 2% | 0.22% | 0.17% | 0.08% |
| Feb 2026 | 55.7% | 24.9% | 7.4% | 9.1% | 2.2% | 0.19% | 0.12% | 0.32% |
| Mar 2026 | 58.5% | 21.4% | 7.8% | 9.5% | 2.3% | 0.2% | 0.1% | 0.13% |
| Apr 2026 | 57.5% | 21% | 9.4% | 9.4% | 2.3% | 0.24% | 0.12% | 0.16% |
| May 2026 | 56.3% | 20.6% | 9.2% | 11.2% | 2.2% | 0.19% | 0.15% | 0.09% |
| Jun 2026 | 56.9% | 20.8% | 9.3% | 9.3% | 3.3% | 0.24% | 0.15% | 0.12% |
| Jul 2026 | 59.2% | 17.7% | 11.8% | 7.9% | 2.9% | 0.25% | 0.16% | 0.16% |
| Aug 2026 | 60.9% | 18.2% | 9.9% | 8.1% | 2.4% | 0.2% | 0.13% | 0.17% |
| Sep 2026 | 60.3% | 18% | 9.8% | 8% | 3.5% | 0.16% | 0.13% | 0.07% |
How has the BigID and OneTrust comparison changed over the last 12 months?
3 findings
- BigID was ahead of OneTrust in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, BigID’s share of searches among data privacy platforms worldwide moved from 8.3% to 8%, and its estimated monthly branded searches moved from 6.6K to 4.4K.
- Across the 12 months ending September 2026, OneTrust’s share of searches among data privacy platforms worldwide moved from 0.1% to 0.07%, and its estimated monthly branded searches moved from 80 to 40.
How did search popularity change for data privacy platforms worldwide in September 2026?
2 changes
In September 2026, OneTrust fell from 7th to 8th among data privacy platforms worldwide.
Estimated monthly branded searches for BigID worldwide fell 33.3% over 12 measured months, from 6.6K to 4.4K in September 2026.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using BigID’s and OneTrust’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among data privacy platforms
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