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499 reviews
from and

External reviews are not included in the AWS star rating for the product.


    Barbara S.

Great BI tool, constantly improving and releasing new features

  • May 23, 2025
  • Review provided by G2

What do you like best about the product?
Sigma is visually appealing and less clunky than other BI tools we tried in the company. The UI is very intuitive and user-friendly, and it works great for team collaboration, especially with two people working in the same workbook at the same time. Since our company started using their products about a year ago, we have only heard positive feedback from our customers. And I can not end this without mentioning their live chat support, I've bugged their team countless times and they were always helpful!
What do you dislike about the product?
Downsides are some bugs, which are usually resolved by refreshing the page, but are still annoying when they happen. Some of the capabilities, like maps, are still behind the larger BI tools. But with them releasing features as frequently as they do, I am sure these won't be issues for much longer
What problems is the product solving and how is that benefiting you?
TRansforming the way we report on our client's data. It significantly benefited our team on how fast we can develop and deliver a product that functions, works as expected, AND looks good.


    Lisa A.

Love the product

  • May 23, 2025
  • Review provided by G2

What do you like best about the product?
I love the fact that I can go into this program and pull pertinent information in regard to any of my accounts.

I love the fact that I can now filter through and pull only the information that I need.
What do you dislike about the product?
There really is nothing that I do not like
What problems is the product solving and how is that benefiting you?
Pulling all info for various accounts into one report


    Computer Software

Data visualisation made easy

  • May 23, 2025
  • Review provided by G2

What do you like best about the product?
Easy to use with a solid UI experience. Sigma connects to our internal CRM , allowing faster reports, dashboards and helps to make decisions faster
What do you dislike about the product?
The data loading time of sigma is arbitrary. Sometimes it takes 1 sec, sometimes 1min to load the same page with the same éléments
What problems is the product solving and how is that benefiting you?
Our crm does not have good report/dashboard, so that helps a lot to find new customers and opportunities


    Information Technology and Services

User Friendly and Powerful Data Analysis and Visualization Tool

  • May 22, 2025
  • Review provided by G2

What do you like best about the product?
Sigma is incredibly user friendly, making it simple for team members of all skill levels and competencies to conduct data analysis with code (SQL) and create dashboards and other visualizations. Their customer success team is also very responsive, providing support and following up on things like bug reports and feature requests.
What do you dislike about the product?
There is a lack of functionality to schedule queries and dashboards to refresh. Additionally, there are some small formatting and UI functionalities that can be improved (i.e. easily resizing column widths).
What problems is the product solving and how is that benefiting you?
Used for analyzing large datasets and creating dashboards and visualizations


    Consumer Services

sometimes provides errored results, and case sensitivity makes it difficult to get accurate results

  • May 22, 2025
  • Review provided by G2

What do you like best about the product?
it pulls results from more than one platform
What do you dislike about the product?
too easy to get erroneous results due to case sensitivity and combining results into the same record
What problems is the product solving and how is that benefiting you?
pulling data from a previous CRM I no longer have access to


    Preeya S.

Really like the platform

  • May 22, 2025
  • Review provided by G2

What do you like best about the product?
it's modern and very very easy to work with and love the customer service
What do you dislike about the product?
the visualization do need improvements, some of the charts don't look great
What problems is the product solving and how is that benefiting you?
We are showing data to the company


    Kenn Z.

Sigma helps us move faster and build smarter

  • May 22, 2025
  • Review provided by G2

What do you like best about the product?
Sigma has become a core part of how we work—both internally and in the product experiences we deliver to customers. We’ve used it to launch embedded market analytics that now live directly in our platform. It’s one of our most engaged-with features, and it was built and shipped in just a few weeks with very little engineering lift. That kind of speed and independence is rare.

Internally, Sigma has also made a big difference. It’s easy to build with, easy to use, and intuitive enough that folks across product, marketing, and other teams can explore data and find answers on their own. It’s helped us cut back on one-off data requests and made our reporting much more real-time and collaborative.
What do you dislike about the product?
Would be great to have a few more options for visual customization and export formatting, especially for more public- or customer-facing use cases. But overall, we’ve been able to work around that without much issue.
What problems is the product solving and how is that benefiting you?
- Enabled our product and data teams to quickly build and launch new analytics features for our users

- Gave cross-functional teams direct access to live data so they can answer their own questions

- Reduced time spent on manual reporting and ad hoc requests

- Helped make data more central to our day-to-day decisions


    Steve B.

45 years presenting data

  • May 22, 2025
  • Review provided by G2

What do you like best about the product?
The ease of use with absolutely no SQL or programming required. Formulas can be utilized for everything I have ever wanted to do.
What do you dislike about the product?
I had to sit here and think about this. I couldn't come up with any negatives. I suppose in fairness, I do have a very good data team who organizes the data and makes it available to me to use in Sigma, so maybe that technical database back end would be a barrier to a user who was trying to just use csv files etc. I find that I can supplement with csv's where I find data that is not in our warehouse.
What problems is the product solving and how is that benefiting you?
Complex and messy data from close to 20 different sources, all government data, all publicly available. I have 19 years parsing this data and have never come close to the story telling I can do with Sigma


    Bryan B.

Sigma Supercharged Our Lifecycle Marketing With Real-Time Data Access

  • May 22, 2025
  • Review provided by G2

What do you like best about the product?
Live access to campaign and engagement data

Intuitive UI that empowers non-technical marketers

Flexible dashboards for internal and external sharing

Reduces dependency on data team and enables real-time testing

Ability to use it each day to make more informed decisions within our marketing campaigns
What do you dislike about the product?
Some visualization options are limited compared to Tableau
What problems is the product solving and how is that benefiting you?
For our onboarding journeys, re-engagement flows, and PRO upgrade campaigns, Sigma helps us fine-tune touch points and accelerate iteration. We’re no longer waiting days for answers, we're making changes in real time with the data that we're seeing.


    Marketing and Advertising

Modern BI Tool

  • May 22, 2025
  • Review provided by G2

What do you like best about the product?
Direct access to the database (Snowflake) and Speed. Sigma's fast loading times are game-changers for us as an agency. Visibility Control makes it easier for us to share dashboard internally and externally.
What do you dislike about the product?
Visualization options are slightly more limited compared to Tableau. Frequent UI change and product updates can confuse users.
What problems is the product solving and how is that benefiting you?
Our marketers leverage Sigma’s “Explore” mode to create their own views and visualizations without needing help from data analysts. This shift significantly reduced ad-hoc requests, allowing analysts to focus on more in-depth analyses, come up with better metrics or complex attribution designs, and explore advanced solutions. Sigma’s cloud-native approach aligns perfectly with our vision for data-driven marketing growth as a marketing agency. Sigma enables our team to make smarter and faster decisions for our clients.