# Best Public Affairs and Advocacy Software for Small Business

## How Many Public Affairs and Advocacy Software Products Does G2 Track?

**Total Products under this Category:** 43

### Category Stats (Aug 2026)

- **Average Rating:** 4.05/5 The average rating of products in this category, based on all submitted ratings
- **Top Trending Product:** Bonterra EveryAction (+0.05%) - Among all products in this category, Bonterra EveryAction recorded the largest rating increase compared to last month

_Last updated: August 05, 2026_

## How Does G2 Rank Public Affairs and Advocacy Software Products?

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

- 30 Analysts and Data Experts
- 800+ Authentic Reviews
- 43+ 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 Public Affairs and Advocacy Software
 ![G2 Grid® for Public Affairs and Advocacy Software plotting products by satisfaction and market presence](https://www.g2.com/categories/public-affairs-and-advocacy/grids.png?focus%5B%5D=14235&focus%5B%5D=142577&focus%5B%5D=4436&focus%5B%5D=44241&focus%5B%5D=142667)

Highlighted products: Muster, Quorum, NationBuilder, Bonterra EveryAction, and LegiStorm.

Underlying data: [Grid® JSON](https://www.g2.com/categories/public-affairs-and-advocacy/grids.json?focus%5B%5D=muster&focus%5B%5D=quorum-us-quorum&focus%5B%5D=nationbuilder&focus%5B%5D=bonterra-everyaction&focus%5B%5D=legistorm&segment=small-business)

**Sponsored**

### Zendesk for Customer Service

"Zendesk for Customer Service is an AI-powered service solution that’s easy to set up, use, and scale. It offers out-of-the-box functionality that’s simple to modify, helping businesses move faster. Leveraging AI built on billions of CX interactions, Zendesk enhances the entire service experience—from self-service to agents and admins—improving efficiency at scale. Zendesk equips agents with tools, insights, and context to deliver personalized service across all channels, including social messaging, phone, and email. It unifies personalized conversations, omnichannel case management, AI workflows, automation, and a Marketplace of 1800+ apps under one platform. Zendesk QA uses AI to evaluate and improve agent performance, while Workforce Management optimizes scheduling and productivity to ensure readiness during peak times. The solution is easy to implement and adjust without needing IT or developers. Zendesk’s mission is to simplify business complexity and enable meaningful customer connections for companies of all sizes. Serving 130K+ global brands in 30+ languages, Zendesk is headquartered in San Francisco with offices worldwide."

[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=2503&secure%5Bchosen_at%5D=2026-08-09T20%3A27%3A36Z&secure%5Bdisplayable_resource_id%5D=1010618&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=retargeted_product&secure%5Bplacement_resource_ids%5D%5B%5D=574&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=574&secure%5Bresource_id%5D=2503&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fpublic-affairs-and-advocacy%2Fsmall-business&secure%5Btoken%5D=8b8dd4f7c0773c4eb7427270e9adf66e3407956845c7fadaf127e6ed8a4d2f30&secure%5Burl%5D=https%3A%2F%2Fwww.zendesk.com%2Flp%2Fpl-support%2F%3Futm_source%3Dg2crowd%26utm_medium%3Dpaidlisting%26utm_campaign%3DPL_G2C_AM_US_EN_N_Sup_Pro_AIClicks_T1_A_H%26utm_term%3DAICustomerSupportAgents&secure%5Burl_type%5D=custom_url)

### [Muster](https://www.g2.com/products/muster/reviews)

Muster is a powerful grassroots advocacy platform designed for nonprofits, associations, and other organizations that want to influence public policy and strengthen supporter engagement. With easy-to-use digital advocacy tools, Muster helps organizations mobilize their members, drive impactful campaigns, and connect directly with elected officials. The platform makes it easy to launch advocacy campaigns, send action alerts, and track engagement in real-time—empowering organizations to increase participation and demonstrate measurable results. Trusted by nonprofits and associations of all sizes, Muster provides an affordable and effective solution to grow your advocacy impact and advance your mission.

**Average Rating:** 4.8/5.0

**Total Reviews:** 27

#### How Do G2 Users Rate Muster?

- **Has the product been a good partner in doing business?:** 9.8/10 (Category avg: 8.6/10)
- **Quality of Support:** 9.9/10 (Category avg: 8.1/10)
- **Ease of Admin:** 9.6/10 (Category avg: 8.7/10)

#### Who Is the Company Behind Muster?

- **Seller:** [Muster](https://www.g2.com/sellers/muster)
- **Company Website:** www.muster.com
- **Year Founded:** 2014
- **HQ Location:** Richmond, Virginia
- **Twitter:** @MusterAdvocacy  
313 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=1a8889917d3fcd1011fdd2645319c915d7941a690dedbc19ae476171848925b6&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F5379608%2F&secure%5Burl_type%5D=linkedin_company_website)  
51 employees on LinkedIn®

#### Who Uses This Product?

- **Top Industries:** Non-Profit Organization Management
- **Company Size:** 96% Small, 4% Medium

#### What Are Recent G2 Reviews of Muster?

**["Effortless Advocacy with Stellar Support"](https://www.g2.com/survey_responses/muster-review-12716849)**

**Rating:** 5.0/5.0 stars

_— Scott G._

[Read full review](https://www.g2.com/survey_responses/muster-review-12716849)

**["Wonderful Platform Experience with Responsive, Helpful Support"](https://www.g2.com/survey_responses/muster-review-12303895)**

**Rating:** 5.0/5.0 stars

_— Verified User in Higher Education_

[Read full review](https://www.g2.com/survey_responses/muster-review-12303895)

### [Quorum](https://www.g2.com/products/quorum-us-quorum/reviews)

Quorum is a sophisticated AI-powered unified public affairs solution designed to assist users in navigating the complexities of legislative tracking, stakeholder management, grassroots advocacy, and PAC management. This comprehensive platform empowers professionals to enhance their policy victories, gain insights into the policy landscape, and develop a cohesive, data-driven strategy tailored to their specific needs. Targeted at public affairs professionals, Quorum serves a diverse audience that includes Fortune 500 companies, nonprofit organizations, and government entities. Its extensive capabilities are particularly beneficial for those engaged in federal, state, local, school board, EU, and international issues. By integrating various tools into a single platform, Quorum allows users to streamline their operations and focus on what matters most: effective advocacy and informed decision-making. One of the standout features of Quorum is its ability to transform vast amounts of data into actionable intelligence. This functionality is crucial for organizations that need to respond swiftly to legislative changes and emerging trends. With access to more data than any other solution on the market, users can stay ahead of the curve, ensuring they are well-informed and prepared to act when necessary. The platform’s AI capabilities further enhance its utility by providing insights that help users anticipate shifts in the policy landscape. Quorum's commitment to security and customer success is evident in its comprehensive support system, which is designed to assist users in maximizing the platform's potential. The integration of over 15 unified products across various markets is a unique aspect of Quorum, setting it apart from other public affairs solutions. This level of integration not only simplifies the user experience but also ensures that all tools work seamlessly together, providing a holistic approach to public affairs management. By leveraging Quorum, public affairs professionals can build a unified strategy that enhances their effectiveness in advocacy efforts. The platform's innovative features and extensive data coverage make it an invaluable resource for those looking to navigate the intricate world of public policy and advocacy with confidence and precision.

**Average Rating:** 4.3/5.0

**Total Reviews:** 175

#### How Do G2 Users Rate Quorum?

- **Has the product been a good partner in doing business?:** 8.1/10 (Category avg: 8.6/10)
- **Quality of Support:** 8.7/10 (Category avg: 8.1/10)
- **Ease of Admin:** 7.9/10 (Category avg: 8.7/10)

#### Who Is the Company Behind Quorum?

- **Seller:** [Quorum.us](https://www.g2.com/sellers/quorum-us)
- **Company Website:** www.quorum.us
- **Year Founded:** 2014
- **HQ Location:** Washington, US
- **Twitter:** @QuorumAnalytics  
3,617 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=220cf5ef753a6408323833791de82a9cf6ac18c817cf4d9a29586beae8d423b1&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fquorum-analytics-inc-%2F&secure%5Burl_type%5D=linkedin_company_website)  
467 employees on LinkedIn®

#### Who Uses This Product?

- **Top Industries:** Government Relations, Non-Profit Organization Management
- **Company Size:** 48% Small, 35% Medium

#### What Are Recent G2 Reviews of Quorum?

**["Efficient Legislative Tracking with AI Analysis"](https://www.g2.com/survey_responses/quorum-review-8992062)**

**Rating:** 4.5/5.0 stars

_— Justin W._

[Read full review](https://www.g2.com/survey_responses/quorum-review-8992062)

**["One Stop Shop for Legislative Tracking and Analysis"](https://www.g2.com/survey_responses/quorum-review-12763859)**

**Rating:** 5.0/5.0 stars

_— Jordan W._

[Read full review](https://www.g2.com/survey_responses/quorum-review-12763859)

#### What Are G2 Users Discussing About Quorum?

- [Where is Quorum Software located?](https://www.g2.com/discussions/where-is-quorum-software-located) - 1 comment
- [How many employees does Quorum Software have?](https://www.g2.com/discussions/how-many-employees-does-quorum-software-have)
- [What is quorum tool?](https://www.g2.com/discussions/what-is-quorum-tool)
- [How much does Quorum software cost?](https://www.g2.com/discussions/how-much-does-quorum-software-cost) - 2 comments

### [NationBuilder](https://www.g2.com/products/nationbuilder/reviews)

NationBuilder is the most-used platform for advocacy organizations, political campaigns, and nonprofits. One integrated system replaces a stack of separate tools: a supporter database that updates with every interaction, ready-made website and donation-page templates, email and text messaging, petitions and advocacy actions, and field organizing tools for canvassing and phone banking. Every plan includes unlimited users and unlimited email blasts — your whole team and your entire list are always covered, with no per-seat or per-send fees. Built-in payment processing and recurring donations make it easy to turn supporters into donors and mobilize them to act. Trusted by more than 9,000 organizations across 112 countries, NationBuilder powers many of the world's highest-stakes campaigns and movements.

**Average Rating:** 4.2/5.0

**Total Reviews:** 107

#### How Do G2 Users Rate NationBuilder?

- **Has the product been a good partner in doing business?:** 8.8/10 (Category avg: 8.6/10)
- **Quality of Support:** 8.4/10 (Category avg: 8.1/10)
- **Ease of Admin:** 8.2/10 (Category avg: 8.7/10)

#### Who Is the Company Behind NationBuilder?

- **Seller:** [NationBuilder](https://www.g2.com/sellers/nationbuilder)
- **Company Website:** nationbuilder.com
- **Year Founded:** 2009
- **HQ Location:** Los Angeles, CA
- **Twitter:** @NationBuilder  
15,261 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=58c6b87216e98217a1ad248a03a22709edd944ea474c782cab2db52ea04d8362&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F2514119%2F&secure%5Burl_type%5D=linkedin_company_website)  
97 employees on LinkedIn®

#### Who Uses This Product?

- **Top Industries:** Non-Profit Organization Management, Political Organization
- **Company Size:** 83% Small, 10% Medium

#### What Do G2 Reviewers Say About NationBuilder?

_AI-generated summary from verified user reviews_

##### Pros

- Users highlight the **ease of use** of NationBuilder, particularly valuing its powerful filter and email blast setup.
- Users love the **easy setup** of NationBuilder, finding the filter and email blast features powerful and user-friendly.
- Users find the **email communication features** of NationBuilder easy to set up and highly effective for outreach.
- Users praise the **ease of setup** for email marketing in NationBuilder, finding it powerful and effective.
- Users highlight the **ease of setup** for filters and email blasts, making powerful communication effortless.

##### Cons

- Users find the **difficult learning curve** of NationBuilder challenging initially, but it becomes easier over time.
- Users find the **difficult setup** of NationBuilder time-consuming, though it becomes user-friendly once mastered.
- Users find the **learning curve challenging** , requiring time to set up and learn the system initially.
- Users find the **learning difficulty** noticeable initially, but appreciate the ease after mastering the setup.
- Users find the **setup process challenging** , requiring time and effort to learn before easiness follows.

#### What Are Recent G2 Reviews of NationBuilder?

**["NationBuilder is worth considering!"](https://www.g2.com/survey_responses/nationbuilder-review-9896664)**

**Rating:** 5.0/5.0 stars

_— Michael C._

[Read full review](https://www.g2.com/survey_responses/nationbuilder-review-9896664)

**["Gets you up and running fast while addressing crucial business processes."](https://www.g2.com/survey_responses/nationbuilder-review-11457680)**

**Rating:** 5.0/5.0 stars

_— Melanie B._

[Read full review](https://www.g2.com/survey_responses/nationbuilder-review-11457680)

#### What Are G2 Users Discussing About NationBuilder?

- [What is NationBuilder used for?](https://www.g2.com/discussions/what-is-nationbuilder-used-for)
- [What does NationBuilder do?](https://www.g2.com/discussions/what-does-nationbuilder-do)
- [What is nation builder software?](https://www.g2.com/discussions/what-is-nation-builder-software)
- [Is NationBuilder a CRM?](https://www.g2.com/discussions/is-nationbuilder-a-crm)
- [How much does NationBuilder cost?](https://www.g2.com/discussions/how-much-does-nationbuilder-cost)

### [Bonterra EveryAction](https://www.g2.com/products/bonterra-everyaction/reviews)

Bonterra EveryAction puts power behind your fundraising program within our unified CRM. You'll discover a better, more user-friendly platform to grow donor relationships, track prospects, grants, and pledges, cultivate planned giving, run custom reports, and ultimately raise more money. Boost your nonprofit's digital marketing efforts by running optimized, targeted, multi-channel digital campaigns that drive results and increase fundraising and engagement with EveryAction.

**Average Rating:** 4.3/5.0

**Total Reviews:** 281

#### How Do G2 Users Rate Bonterra EveryAction?

- **Has the product been a good partner in doing business?:** 7.9/10 (Category avg: 8.6/10)
- **Quality of Support:** 7.6/10 (Category avg: 8.1/10)
- **Ease of Admin:** 7.6/10 (Category avg: 8.7/10)

#### Who Is the Company Behind Bonterra EveryAction?

- **Seller:** [Bonterra](https://www.g2.com/sellers/bonterra)
- **Company Website:** www.bonterratech.com
- **Year Founded:** 2022
- **HQ Location:** Austin, United States
- **Twitter:** @BonterraTech  
922 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=add4d567dfd687337578fd15f087a1243216bf44ec93c57a7ffbf491c2657c54&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fbonterra-tech%2F&secure%5Burl_type%5D=linkedin_company_website)  
1,322 employees on LinkedIn®

#### Who Uses This Product?

- **Who Uses This:** Executive Director, Organizer
- **Top Industries:** Non-Profit Organization Management, Civic & Social Organization
- **Company Size:** 71% Small, 27% Medium

#### What Do G2 Reviewers Say About Bonterra EveryAction?

_AI-generated summary from verified user reviews_

##### Pros

- Users appreciate the **ease of use** of Bonterra EveryAction, finding it simple to learn and deploy effectively.
- Users appreciate the **seamless integration** and comprehensive features of Bonterra EveryAction for managing contacts and campaigns.
- Users appreciate the **seamless integration** of Bonterra EveryAction, making it a versatile tool for various organizational tasks.
- Users value the **robust tracking capabilities** of Bonterra EveryAction, enabling efficient fundraising and comprehensive data management.
- Users value the **ease of email communication** with EveryAction, appreciating its features for segmentation and automation.

##### Cons

- Users face a **challenging learning curve** with Bonterra EveryAction, impacting adoption and ease of use for non-tech-savvy team members.
- Users find the **difficult learning** curve challenging, as the platform lacks a clear user guide and intuitive navigation.
- Users experience **limited customization** options, affecting user-friendly tools and reporting capabilities in Bonterra EveryAction.
- Users find the **interface not intuitive** , struggling to navigate through numerous options and complex features.
- Users find the **platform not user-friendly** , struggling with complexity and a steep learning curve for features.

#### What Are Recent G2 Reviews of Bonterra EveryAction?

**["Great experience with Bonterra EveryAction!"](https://www.g2.com/survey_responses/bonterra-everyaction-review-11290544)**

**Rating:** 5.0/5.0 stars

_— Alaina P._

[Read full review](https://www.g2.com/survey_responses/bonterra-everyaction-review-11290544)

**["It's a powerful tool that could use additional features and bug fixes."](https://www.g2.com/survey_responses/bonterra-everyaction-review-11668577)**

**Rating:** 4.0/5.0 stars

_— Ashley M._

[Read full review](https://www.g2.com/survey_responses/bonterra-everyaction-review-11668577)

### [LegiStorm](https://www.g2.com/products/legistorm/reviews)

LegiStorm is an all-in-one public affairs platform that provides you with the essential tools to achieve your objectives in Congress and state legislatures. Stay informed and connected with our comprehensive congressional staff directory, which offers real-time information on congressional staff, including their legislative issues, contact information and biographical details. Build custom contact lists and receive timely email alerts for reports, hearings, town halls, press releases and more. Additionally, LegiStorm allows you to delve into lobbying intelligence, helping you find the best lobbying firms that align with your needs and analyze their performance or identify potential clients. Stay up-to-date with lobbying trends, explore lobbying filings and gain insights into the revolving door between K Street and Congress. Get access to state legislators and staff across all 50 states. Browse state legislator directories, build contact lists and track down the ideal staff members for your specific issue. Visit our website today to learn more about how LegiStorm can empower you with the tools and intelligence you need to achieve your objectives in Congress and state legislatures.

**Average Rating:** 4.6/5.0

**Total Reviews:** 16

#### How Do G2 Users Rate LegiStorm?

- **Quality of Support:** 9.0/10 (Category avg: 8.1/10)

#### Who Is the Company Behind LegiStorm?

- **Seller:** [LegiStorm](https://www.g2.com/sellers/legistorm)
- **Company Website:** info.legistorm.com
- **Year Founded:** 2006
- **HQ Location:** Washington, US
- **Twitter:** @LegiStorm  
4,228 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=80d4a7f5c86ab2b6b02e8afb522e2a14b1088cebba11a3af5e929a8983e4addf&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Flegistorm%2F&secure%5Burl_type%5D=linkedin_company_website)  
44 employees on LinkedIn®

#### Who Uses This Product?

- **Top Industries:** Government Administration
- **Company Size:** 81% Small, 19% Large

#### What Are Recent G2 Reviews of LegiStorm?

**["Positive experience using Legistorm"](https://www.g2.com/survey_responses/legistorm-review-11789305)**

**Rating:** 4.5/5.0 stars

_— Verified User in Staffing and Recruiting_

[Read full review](https://www.g2.com/survey_responses/legistorm-review-11789305)

**["Best Way to Track & Celebrate Our Alumni"](https://www.g2.com/survey_responses/legistorm-review-11792963)**

**Rating:** 5.0/5.0 stars

_— Jacob D._

[Read full review](https://www.g2.com/survey_responses/legistorm-review-11792963)

#### What Are G2 Users Discussing About LegiStorm?

- [What is LegiStorm used for?](https://www.g2.com/discussions/what-is-legistorm-used-for)

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