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New Integration: Karbon E-Signing with FuseSign

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Accounting firms are increasingly building connected, best-of-breed tech stacks, choosing the right tools for each part of the workflow rather than relying on one platform to do everything. 

That shift is already clear across the FuseSign customer base. More than 2,000 firms across Australia, New Zealand, and the UK use FuseSign, with 82% integrating it with at least one other application and 54% connecting it with two or more. 

That’s why FuseSign have integrated with Karbon.  

Karbon gives firms a central place to manage work, clients, and communication. FuseSign adds a fast, seamless e-signing experience by allowing Karbon firms to sync contacts directly into FuseSign, reducing manual handling and making it easier to move from document preparation to signature. 

A simpler way to manage Karbon e-signing

With the new integration, contact data can be synced directly from Karbon into FuseSign, helping firms keep client information accurate and up to date without rekeying details across systems. This reduces duplicate handling, lowers the risk of errors, and creates a faster path from document send to completed signature. 

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Why this matters for firms using Karbon 

For many firms, document signing still sits outside the core workflow. Client details are manually entered, records are duplicated across systems, and teams lose time switching between platforms. 

By connecting Karbon and FuseSign, firms can: 

  • Sync contacts automatically between Karbon and FuseSign 
  • Reduce duplication and manual data entry
  • Keep Karbon as the single source of truth for client data
  • Create a faster, more seamless e-signing workflow
  • Improve the path from document preparation to completed signature

Built for the way firms already work 

Modern firms want flexibility. They want to use the platforms that suit their workflow while keeping their systems connected. 

For Karbon firms, that means being able to manage work and client relationships in Karbon while using FuseSign for digital signing. The result is a cleaner process, less admin, and a better experience for both teams and clients. 

"We’re excited to announce our new integration with Karbon, making it even easier for our clients across the globe to connect their contact data and streamline the way they get documents signed. By connecting Karbon with FuseSign, firms can remove friction from their processes without changing how their teams already work. It’s all about saving time, increasing efficiency, and delivering a seamless client experience at scale. We’re looking forward to seeing how firms around the world leverage this to move faster and work smarter."

- Melissa Voss, Co-Founder, FuseSign

Learn more about FuseSign + Karbon

Explore the FuseSign + Karbon integration and see how it can simplify e-signing for your firm. 

Karbon & FuseSign integration page

Karbon contact data sync knowledge base 

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