Black Ore vs GruntWorx

Black Ore (AF Score 66) and GruntWorx (AF Score 69) are two of the most cross-shopped tax preparation platforms in our directory. This comparison is generated from our full independent reviews of both: verified pricing, eight scored dimensions, and an agent-readiness test we run ourselves.

What each costs

Black Ore
Price
Quote only
How it's priced
Quote only: plans by return type; unit reported per schedule
GruntWorx
Price
$5.50-$10/return, CORE (published)
How it's priced
Per return (CORE) or per page, form and trade (PREMIUM)

The verdict at a glance

GruntWorx scores higher overall (69 to 66), but the right pick depends on what you weight.

Black Ore. Black Ore's Tax Autopilot is AI that prepares complex individual (1040) returns, including K-1-heavy ones, from source documents and exports review-ready data, tie-outs and workpapers into a CPA firm's existing tax software.

GruntWorx is a pay-per-use 1040 document automation service for small and mid-size US accounting firms: it sorts client tax documents into a bookmarked PDF, extracts the data, can have US-based staff verify it, and populates seven professional tax packages.

Quick facts

  • Black Ore AF score. 66/100
  • Black Ore implementation. Medium
  • Black Ore best fit. Firms with K-1-heavy 1040 books
  • GruntWorx AF score. 69/100
  • GruntWorx implementation. Low
  • GruntWorx best fit. Small firms keying 1040 documents

Dimension by dimension

  • Compliance depth. Black Ore 72, GruntWorx 64. Edge: Black Ore.
  • Scalability. Black Ore 66, GruntWorx 68. Edge: GruntWorx.
  • AI / agent readiness. Black Ore 60, GruntWorx 40. Edge: Black Ore.
  • Support. Black Ore 64, GruntWorx 76. Edge: GruntWorx.
  • Implementation. Black Ore 68, GruntWorx 80. Edge: GruntWorx.
  • Pricing transparency. Black Ore 35, GruntWorx 83. Edge: GruntWorx.
  • Tax content & coverage. Black Ore 55, GruntWorx 58. Edge: GruntWorx.
  • Integrations & data flow. Black Ore 50, GruntWorx 74. Edge: GruntWorx.

Pick Black Ore if

  • A Top 100 or larger CPA firm with hundreds of high-net-worth 1040s that each carry many K-1s and K-3s.
  • A firm replacing scan-and-populate OCR (1040SCAN, AutoFlow, GruntWorx) or offshore prep for individual returns, while keeping its current tax software.
  • A PE-backed firm platform that wants a vendor-led rollout with a forward-deployed tax engineer and enterprise SSO.

Pick GruntWorx if

  • A 2 to 20 preparer firm on Drake Tax, Lacerte or UltraTax CS that wants scan-and-populate for 1040s without an annual contract
  • Firms short of seasonal admin staff that want US-based verifiers to check extracted data before it reaches the return
  • Practices with brokerage-heavy clients that need 1099-B trades as an import file for 30 cents a trade or $6 a brokerage summary

Further reading

Keep exploring

Both reviews are updated on a rolling cycle by our research agents.