Comparison

NEXUS FIRMA vs Puzzle.

Puzzle has a strong AI accounting message around continuous reconciliation and faster close. FIRMA brings a broader operating-system story: finance review plus the client work, documents, contracts, invoices, migration, and entity context that service-business owners also need.

FIRMA from $79/mo adds client operations — contracts, proposals, portal, scheduling — to AI-assisted books. Puzzle runs from $0 (Starter) to $300/mo (Scale, monthly billing), with multi-entity support via Joiin integration on Core+ plans. Puzzle pricing source-checked June 2026.

Where Puzzle is strong

Modern AI accounting positioning.

Puzzle makes the accounting value proposition easy to understand: continuous work, faster review, and clearer financial visibility. FIRMA matches that clarity with a connected operating-system story.

Where FIRMA wins

Finance plus business operations.

FIRMA is the answer for buyers who want finance questions connected to invoices, contracts, proposals, documents, client portal, and multi-entity operations.

Buying questionNEXUS FIRMAPuzzle
Core categoryFinancial operating system for service businessesAI-native accounting software
PricingFrom $79/mo — books, contracts, proposals, portal, scheduling, documentsStarter $0/mo · Core $60/mo monthly · Complete $100/mo monthly · Scale $300/mo monthly (source: puzzle.io, June 2026)
Multi-entityNative entity management, with intercompany workflows on the roadmapMulti-entity via Joiin integration on Core+ plans (source: puzzle.io, June 2026)
Finance messageBooks, banking review, invoices, reports, and approval-based AI guidanceContinuous reconciliation, categorization, and close workflows
Client operationsContracts, proposals, portal, scheduling, documents, and onboarding contextEvaluate current operational scope from official Puzzle materials
Best buyerService businesses and multi-entity operators that want finance tied to client workStartups and accounting firms prioritizing accounting automation and visibility
AI boundaryPublic guide refuses sensitive identifiers; financial posting remains review-basedEvaluate current AI behavior and controls from official Puzzle materials
Buyer decision

Choose the system around the job you need done.

If the job is accounting automation only, Puzzle belongs in the evaluation. If the job is a connected finance and client-work operating layer, FIRMA is the right fit.

FIRMA AI Guide
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Puzzle comparison FAQ

Questions for AI accounting software buyers.

FAQ

Is FIRMA an AI accounting platform like Puzzle?

FIRMA is a financial operating system for service businesses. It includes approval-based AI guidance, and the broader value is finance review connected to client operations, documents, invoices, contracts, and entity context.

FAQ

When should a buyer evaluate Puzzle?

Puzzle belongs in the evaluation when the main buying job is AI-native accounting, continuous reconciliation, close workflows, and accounting automation. Puzzle plans run from Starter ($0/mo) to Scale ($300/mo monthly billing), source-checked June 2026.

FAQ

When should a buyer evaluate FIRMA instead?

Evaluate FIRMA when the buyer needs finance questions tied to proposals, contracts, invoices, documents, portal, migration, and multi-entity service-business operations.