Partnership & International Tax Intelligence Suite
From trial balance ingestion to K-1 issuance — SubK-OS is a full-suite platform for tax professionals navigating multi-entity partnerships, §704(b)/(c), §754 elections, and Schedule K-1 compliance.
6 of 13 modules in active development — early access now available
Partnership Tax Suite
Setup & Import
Ingest multi-entity CSV trial balances (current + prior year), set reviewer context, and kick off the standardization workflow.
AlphaPortfolio Dashboard
Multi-entity overview with mapping progress, balance status, and consistency checks across the full portfolio.
AlphaMapping Desk
Map TB accounts to Schedule K line items with AI assist, firm dictionary rules, and auto-map across entities.
AlphaTax Basis & M-3
Generate tax basis trial balances and M-3 book-to-tax reconciliations from fully mapped entity data.
BuildingPartner Allocations
Compute §704(b) substantial economic effect allocations, guaranteed payments, and special profit/loss splits.
Building§704(c) Overlays
Identify contributed property with built-in gain/loss and apply traditional, curative, or remedial allocation methods.
Building§754 / §743(b)
Calculate inside basis adjustments upon partner transfers or liquidations under §754 elections and §743(b).
BuildingReview & K-1
Validate Schedule K-1 packages for completeness, line-item consistency, and compliance before filing.
BuildingPrior Year Variance
Side-by-side current vs. prior year comparison with large variance flags, new accounts, and dropped account detection.
AlphaAdditional Modules
Tax Administrator Suite
Centralized admin layer for managing entities, filing calendars, due dates, and preparer assignments across the portfolio.
Coming SoonPFIC Testing
Test foreign corporations for Passive Foreign Investment Company status using income and asset tests under §1297.
Coming Soon§1291 Excess Distribution
Calculate excess distributions and disposition gains from PFIC investments, including interest charge and look-back period allocations.
Coming SoonTax Doc Viewer
Upload, review, and annotate tax documents — K-1s, returns, schedules — with inline commenting and cross-reference linking.
BuildingStatus Key
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