# Best Privacy Impact Assessment (PIA) Software - Page 9

## How Many Privacy Impact Assessment (PIA) Software Products Does G2 Track?

**Total Products under this Category:** 121

### Category Stats (Aug 2026)

- **Average Rating:** 4.52/5 The average rating of products in this category, based on all submitted ratings
- **Top Trending Product:** caralegal (+0.41%) - Among all products in this category, caralegal recorded the largest rating increase compared to last month

_Last updated: August 04, 2026_

## How Does G2 Rank Privacy Impact Assessment (PIA) Software Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 25,200+ Authentic Reviews
- 121+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

## G2 Grid® for Privacy Impact Assessment (PIA) Software
 ![G2 Grid® for Privacy Impact Assessment (PIA) Software plotting products by satisfaction and market presence](https://www.g2.com/categories/privacy-impact-assessment-pia/grids.png?focus%5B%5D=530&focus%5B%5D=167571&focus%5B%5D=56130&focus%5B%5D=116064&focus%5B%5D=124903&focus%5B%5D=1200487&focus%5B%5D=39669&focus%5B%5D=135541)

Highlighted products: Smartsheet, heyData, TrustArc, Securiti, DataGuard, OneTrust Privacy Automation, Collibra, and caralegal.

Underlying data: [Grid® JSON](https://www.g2.com/categories/privacy-impact-assessment-pia/grids.json?focus%5B%5D=smartsheet&focus%5B%5D=heydata&focus%5B%5D=trustarc&focus%5B%5D=securiti&focus%5B%5D=dataguard&focus%5B%5D=onetrust-privacy-automation&focus%5B%5D=collibra&focus%5B%5D=caralegal)

**Sponsored**

### Monte Carlo

Monte Carlo is the agent trust platform, trusted by Nasdaq, Cisco, PepsiCo, and hundreds of enterprise organizations worldwide. Founded in 2019 and backed by leading investors, Monte Carlo pioneered data observability and has expanded into the full AI reliability stack. We're consistently ranked #1 in data observability on G2 — and we're built for what comes next. As enterprises scale from dozens to thousands of AI agents across mission-critical use cases, Monte Carlo monitors, troubleshoots, and improves both those agents and the underlying data powering them. Our platform covers the full trust stack — from the data pipelines feeding agents, to the context they retrieve, the decisions they make, and the outputs they produce — across four trust dimensions: context quality, performance, behavior, and outputs. Only Monte Carlo closes the full trust loop across both data and AI, and we meet enterprises wherever they are on the spectrum from human-guided oversight to fully autonomous operations. With 100+ integrations across Snowflake, Databricks, and the rest of your stack, you get full coverage without ripping anything out. Traditional monitoring tools stop at the pipeline or cover only one dimension of reliability — leaving teams to manually investigate, diagnose, and fix failures across disconnected tools. Monte Carlo closes that gap. Teams using Monte Carlo dramatically reduce time to detect and resolve data and AI incidents, scale monitoring coverage without scaling headcount, and build the internal trust that turns AI investments into real business outcomes. If your organization is serious enough about AI to put it in front of customers, executives, and critical decisions — Monte Carlo is the foundation it needs.

[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list_llm&secure%5Bcategory_id%5D=2172&secure%5Bchosen_at%5D=2026-08-05T19%3A18%3A47Z&secure%5Bdisplayable_resource_id%5D=1003968&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=retargeted_product&secure%5Bplacement_resource_ids%5D%5B%5D=142449&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=142449&secure%5Bresource_id%5D=2172&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fprivacy-impact-assessment-pia%3Fpage%3D9&secure%5Btoken%5D=78e006d55bff317f3cd3c85bdf7656403e1c8b192db99e27e1728f328255146a&secure%5Burl%5D=https%3A%2F%2Fmontecarlo.ai%2F%3Futm_source%3Dg2_clicks%26utm_medium%3Dpeer_review%26utm_term%3Ddata_observability&secure%5Burl_type%5D=custom_url)

### [ZenPrivata Privacy Observatory](https://www.g2.com/products/zenprivata-privacy-observatory/reviews)

An advanced platform and expert consulting to bring Zen to your privacy program. Gain trust by showing your customers that you're protecting their personal information. Build privacy by design into your workflows. Streamline compliance with privacy regulations like GDPR, CCPA/CPRA, and others by using a privacy-first, "Rosetta Stone" approach between privacy regulations. If you’d prefer some companionship along this journey, we have privacy experts available to help.

#### Who Is the Company Behind ZenPrivata Privacy Observatory?

- **Seller:** [ZenPrivata](https://www.g2.com/sellers/zenprivata)
- **Year Founded:** 2020
- **HQ Location:** Wilmington, DE, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=faab91ae7a46736382745e283288c45efcfd00870f6caa44da73b92c93067c59&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fzenprivata&secure%5Burl_type%5D=linkedin_company_website)  
4 employees on LinkedIn®

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[Browse Privacy Impact Assessment (PIA) Themes](/categories/privacy-impact-assessment-pia/themes)

 ![Brandon Summers-Miller](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Brandon Summers-Miller")
BS

Researched and written by [Brandon Summers-Miller](https://research.g2.com/insights/author/brandon-summers-miller)

Updated October 3, 2024

Privacy impact assessment (PIA) software enables companies to evaluate, assess, track, and report on the privacy implications of their data. PIA software facilitates the operationalization of the PIA process, especially when handling complex organizations, policies, or systems at scale, thus reducing the amount of time spent conducting PIAs. These tools also assist companies in complying with privacy regulations, as completing PIAs is mandated by some privacy laws, such as the GDPR’s Data Protection Impact Assessment (DPIA) requirements under Article 35 if a project impacts a data subject’s rights.

PIA software helps businesses achieve privacy-by-design by uncovering privacy risks, such as exposure of sensitive data or personally identifying information, associated with new company projects, processes, policies, strategies, systems, and so on. PIAs are comprehensive evaluations of a business’ privacy risks and are conducted prior to developing new initiatives; this is different than a privacy audit, which is completed retrospectively. PIAs are conducted by privacy officers or legal teams, but require participation from company executives, product teams, IT teams, security teams, and more to understand the full scope of a business’ unique privacy risk and outline solutions to improve an organization's handling of sensitive data.

Completing PIAs is one part of many in administering a business’ complete privacy program. Many data privacy platforms offer PIA functionality, along with additional tools related to implementing a full privacy program.

To qualify for inclusion in the Privacy Impact Assessment (PIA) category, a product must:

- Offer templated and customizable PIA questionnaires
- Have built-in workflows that allow cross-organizational collaboration
- Provide a dashboard to view PIAs in progress
- Include reporting functionality

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