17 consecutive quarters: Karbon named #1 accounting practice management software in G2’s Winter 2026 Report

Karbon continues to lead the way in accounting practice management, ranked as the #1 solution for the 17th quarter in a row on G2, the world’s largest and most trusted software marketplace.

Each quarter, G2 releases Market Reports that feature rankings of software products and services based on the latest data, awarding badges to the highest-performing tools available. This quarter, only 3% of the tools on G2 received a Leader badge—and Karbon is in that 3%.

The G2 Winter 2026 Report at a glance

🥇 5 x #1 rankings in the Accounting Practice Management category

🏆 Grid Leader in the Accounting Practice Management category

🛡️ Appeared in 63 reports (a Karbon record) 

🏅 15 x badges in the Workflow Management category

🎖️ 27 x total new badges

⭐ 4.8/5 stars from 721 reviews (and counting!)

The G2 Winter 2026 Grid for accounting practice management

👉 Read the full G2 2025 Accounting Practice Management Grid Report

What is G2?

G2 is the leading software review marketplace, built on verified customer feedback. For accounting, especially in practice management, it’s the most trusted independent benchmark, helping firms cut through marketing claims and make confident tech choices based on the real experiences of their peers.

Karbon’s Winter 2026 badges

We’re thrilled to have received 27 badges this quarter, across the Accounting Practice Management, Workflow Management, Payment Processing, and Tax Practice Management categories.

Highlights from the Accounting Practice Management and Tax Practice Management categories

Karbon's badges for G2's Winter 2026 Report for the Accounting Practice Management and Tax Practice Management categories

Best Accounting Practice Management Software for Medium-Sized Businesses: Karbon is the leading practice management software for accounting firms with 51–1,000 employees.

Momentum Leaders For Accounting Practice Management: Karbon is recognized as the fastest-growing, highest-performing software that’s gaining traction, user satisfaction, and market presence in the accounting practice management category.

Best Relationship for Accounting Practice Management: Karbon is most likely to be recommended, has the highest quality of support score, and is the easiest to do business with.

Best Relationship for Accounting Practice Management for Small Business: Karbon is most likely to be recommended, has the highest quality of support score, and is the easiest to do business with across firms with fewer than 50 employees.

Highlights from the Workflow Management category

Karbon is recognized as a leader in:

• Workflow Management

• Workflow Management for Small Business

• Workflow Management Momentum

Karbon is also the tool that is:

• Easiest To Do Business with for Small-Business (fewer than 50 employees) 

• Easiest To Do Business with for the Mid-Market (51-1,000 employees)

• Ranked #1 in the Best Relationship for Small Business category

Karbon was also recognized as Regional Leader and High Performer in Australia, New Zealand, the Asia Pacific, Europe, the Middle East, and Africa.

Karbon's G2 Winter 2026 Badges as Regional Leaders for Workflow Management

Highlights from the Payment and Payment Processing categories

Karbon's G2 Winter 2026 Report badges for the Payment and Payment Processing categories

Karbon is a high performer in the following categories:

• Payment Software

• Payment Processing

• Payment Processing for Small Business

Like last quarter, Karbon is also the tool that users are most likely to recommend in the Payment Software, Payment Processing, and Payment Processing for Small-Business categories.

What do Karbon customers say?

"Karbon is critical in a multi-client setting to keep track of everything.”
— Heather Jackson, Staff Accountant, Mid-Market

"Karbon keeps our team focused and productive all day."
— Jonathan Gibson, Partner, Small-Business

“Karbon also centralizes all work, deadlines and responsibilities in one place making it easy to see what need. to be done, current statuses, and who is responsible.”
— Mark Ramirez, Staff Accountant, Mid-Market

“Karbon is a dynamic tool for workflows. Building custom templates with automators that continually push a work item to the next assignee or step not only simplifies workflows, but also makes it easy to see progress and hold-ups and to address issues of prioritization or imbalanced workloads on employees. Especially during tax season, being able to track daily progress across a group of clients keeps us constantly aware of where we are as a team in reaching our goals and serving our clients.”
— G2 user, Small-Business

“I've gotten such positive feedback from clients on the Karbon portal…they are so happy with the ability to easily provide files and updates and the real-time updates on job statuses in Karbon without needing to follow up with me. The feedback from clients has been 100% positive and satisfied. I'm still absolutely thrilled with Karbon, this was a fantastic pick for me and my firm.”
— Lisa Rumsey, Partner, Small-Business

“With Karbon, we are able to do more with less and improve our overall communications both internally and externally. We would be lost without it. The Karbon folks are great to work with and super helpful all year long.”
— Jean Stenger, Director of Operations, Mid-Market

Looking ahead

No matter the size of your firm—small, scaling, or enterprise—Karbon is built to help you get more done, deepen client relationships, and run a more profitable practice.

We’re proud of the progress we’re making, grateful for the feedback from our customers, honored to serve the accounting community, and excited for what’s next.

To learn more about Karbon, book a demo or read our latest G2 reviews.