Modernize your accounting firm. Maximize your profits.
Software and human support to supercharge your firm’s efficiency.






Spend more time advising,
less time on tedious tasks
A Client Portal that reduces back and forth with clients
No more chasing. Harness generates personalized open items lists and questionnaires, auto-tags documents, and sends automated reminders.
A Client Portal that reduces back and forth with clients
No more chasing. Harness generates personalized open items lists and questionnaires, auto-tags documents, and sends automated reminders.

AI-powered data extraction & import to your tax software
We’ll extract the data from your clients’ files and input it into your tax prep software.
AI-powered data extraction & import to your tax software
We’ll extract the data from your clients’ files and input it into your tax prep software.
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VERIFIED ACCURACY
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WIDE DOCUMENT COVERAGE INCL. COMPLEX K-1
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Dedicated concierge handles client questions and admin work for you
Engagement letters, client onboarding, e-filing, billing, reminders and simple client questions—covered.
< 1 Hour Concierge Response SLA
Dedicated concierge handles client questions and admin work for you
Engagement letters, client onboarding, e-filing, billing, reminders and simple client questions—covered.
< 1 Hour Concierge Response SLA

What success looks like with Harness
What success looks like with Harness

Tailor your solution with Harness

Technology & Tools
→ Collaboration Portal
→ Tax Tech

Expert Support
→ Concierge
→ Advisory Council

Growth & Exposure
→ Client Introductions
→ Marketing & Branding

Talent & Community
→ Talent Marketplace
→ Prof. Services Community
What makes Harness different?
Personalized, human support from Day 1
We onboard you in days, not months with a dedicated contact, and ongoing support always at your disposal.
Personalized, human support from Day 1
We onboard you in days, not months with a dedicated contact, and ongoing support always at your disposal.
