Karbon vs TaxDome (2026): which should you pick?

Karbon

• Accounting and bookkeeping firms that need to track client work
• Firms that handle a lot of client email and want it assigned to staff
• Teams that want billing and time budgets tied to each job

TaxDome

• Tax and accounting firms that want one system for clients and work
• Firms that exchange documents and signatures with clients online
• Firms that bill clients in QuickBooks Online

Karbon

• It is a tool for running a firm, not general ledger software for a business's own books.
• The pricing page says self-serve free trials are not offered; access starts with a demo request.
• Monthly billing is open only to teams of 4 or more users.
• Automatic client reminders, task automation and industry integrations are not on the Team plan.

TaxDome

• Pricing could not be read: the vendor's site answered with a bot check, so no plans or prices are listed here.
• Clients need their accountant to sign up for TaxDome before they can use the client portal app.
• The mobile apps listed here are for iPhone and iPad; no Android listing was read.

Karbon

Shared email triage

Team members can share, assign and comment on client emails, with comments and @mentions on emails, tasks and notes.

Workflow templates

Work is created from templates with statuses and types. Limits rise by plan: 35, 50 or unlimited statuses and 40, 75 or unlimited templates.

Client requests and portal

Clients get requests, file uploads and comments through a portal. Automatic client reminders need the Business plan.

Time, budgets and billing

Track time against budgets, then bill and collect payment from inside the same workflow.

Integrations and API

Connects with Gmail, Google Drive, Ignition and QuickBooks Online Accountant, and has a public API for contacts, work items and timesheets.

TaxDome

Client portal

A custom-branded website and client portal for secure messages, client tasks, document exchange and payments.

Workflow automation

Project management and automation designed for tax and accounting work, with team @mentions and notifications.

CRM and messaging

A CRM synced with the firm's email, with contact and account records, notes and one-tap text, call or email from the mobile app.

E-signatures and engagement letters

The listing says e-signatures, contracts and engagement letters are unlimited, so no separate signing service is needed.

Invoicing and organizers

Invoices can be paid by ACH or credit card and sync with QuickBooks Online; customizable organizers replace generic PDF forms.

Karbon

• Team$59

  per user / month, billed yearly ($79 billed monthly)

  Integrated email, workflow and to-do lists, time tracking and budgets, billing, payments and engagements. Monthly billing needs 4+ users.

• Business$89

  per user / month, billed yearly ($99 billed monthly)

  Team features plus automatic client reminders, task automation and industry integrations. Monthly billing needs 4+ users.

• EnterpriseCustom

  Adds an enterprise platform, a dedicated Karbon contact, customization and unlimited usage limits.

TaxDome

Pricing could not be confirmed. See taxdome.com.