C CORPORATIONS · 1120

The complete C corporation tax agent.

From source documents to signed return. Instead prepares workpapers, populates returns, resolves diagnostics, and files every 1120 and supporting schedule.

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Instead C corporation tax agent interface
THE CORPORATE RETURN

One agent.
Every step of the 1120.

Tax plans, workpapers, return population, review, and filing. Instead handles every step of C corporation tax preparation so your team focuses on advisory, not data entry.

  • Complete 1120 return preparation
  • Schedule M-1, M-2, M-3 reconciliation
  • R&D credit analysis and documentation
  • Book-tax difference tracking
Instead C corporation agent interface showing 1120 tax workflow
WORKFLOWS

Pre-built workflows. Click run.

Every step of corporate tax preparation, automated.

C corporation workpapers

Upload trial balances, financials, and prior returns. Complete workpapers built automatically.

Return preparation

Populates every line of the 1120. Schedules M-1, M-2, M-3, L, and all supporting forms.

Return review

Compliance review against source docs, workpapers, and current tax law. Issues flagged before partner review.

Tax planning

R&D credits, NOL carryforwards, AMT analysis, and client-ready deliverables.

Tax estimates

Quarterly estimated federal and state corporate taxes with safe harbor and annualized income installment analysis.

Tax resolution

Penalty abatement, audit defense, and IRS correspondence. The agent builds the response.

R&D credit analysis

Evaluates qualifying activities, calculates credit under regular and simplified methods, and produces audit defense documentation.

Custom workflows

Your firm's corporate process, codified. Describe your workflow and the agent builds it for every client.

TAX DOCS

Every document. Organized automatically.

Upload corporate financials, trial balances, and source docs. The agent classifies, renames, and organizes everything by tax year and entity.

Auto-classification

Agent organizes corporate docs, financial statements, and prior year returns.

Version history

Full audit trail with one-click revert. Every version saved automatically.

Cloud integrations

Google Drive, OneDrive, and Box. Connect your existing cloud storage.

CAPABILITIES

Everything you do with a C corporation. Automated.

C corporation returns are complex. Book-tax reconciliation, Schedule M adjustments, R&D credits, Section 162(m) limitations, and transfer pricing analysis. Instead handles it all. From workpapers through filing, the agent manages every schedule and every form.

  • Book-tax reconciliation and Schedule M adjustments
  • R&D credit calculation and documentation
  • Section 162(m) compensation analysis
  • Transfer pricing review
  • NOL carryforward tracking
C corporation tax analysis showing Schedule M adjustments and book-tax reconciliation
READY TO RUN

Workflows built for C corporation returns.

From workpapers to filing, every step of C corporation return preparation has a dedicated workflow. Click run and the agent handles the rest.

  • Build a 1120 tax workpaper (TY25)
  • Prepare and review a 1120 return (TY25)
  • Review a 1120 tax return (TY25)
  • Build a C corporation tax plan (TY26)
  • Build quarterly tax estimates (TY26)
  • Implement a tax strategy
  • Tax resolution decision tree
  • R&D credit analysis
Instead C corporation workflow library with tax planning templates
THE GRID

One person.
Thousands of 1120s.

Select corporate clients. Run return preparation across all of them simultaneously. The grid handles every entity, every schedule, every form in parallel.

Instead grid view showing batch C corporation return processing at scale
Instead tax research interface showing C corporation analysis with IRC citations
RESEARCH

Ask any C corporation question. Get cited answers.

Does Section 162(m) limit a deduction for executive compensation above $1M? What transfer pricing exposure exists for intercompany transactions with a foreign subsidiary? How do state apportionment rules affect a multi-state C corporation? Cited answers from IRC, Treasury Regulations, and court cases, with full authority chains.

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SECURITY

Control who sees what.

User permissions

Owner and Member roles. Control who accesses which clients.

Document permissions

Visibility at the document and folder level. Sensitive returns stay restricted.

SOC 2 Type II

Annual security audit. IRS-authorized e-file. 256-bit encryption.

File tax returns nationwide

First company in decades to receive approvals at every level of government.

Federal
IRS-approved
48+
State jurisdictions
Local
Supported
ALAlabama
AKAlaska
AZArizona
ARArkansas
CACalifornia
COColorado
CTConnecticut
DEDelaware
FLFlorida
GAGeorgia
HIHawaii
IDIdaho
ILIllinois
INIndiana
IAIowa
KSKansas
KYKentucky
LALouisiana
MEMaine
MDMaryland
MAMassachusetts
MIMichigan
MNMinnesota
MSMississippi
MOMissouri
MTMontana
NENebraska
NVNevada
NHNew Hampshire
NJNew Jersey
NMNew Mexico
NYNew York
NCNorth Carolina
NDNorth Dakota
OHOhio
OKOklahoma
OROregon
PAPennsylvania
RIRhode Island
SCSouth Carolina
SDSouth Dakota
TNTennessee
TXTexas
UTUtah
VTVermont
VAVirginia
WAWashington
WVWest Virginia
WIWisconsin
WYWyoming
PRICING

The software is free. You pay for the agent.

File any 1120 by hand at no cost. When you want the agent to handle corporate returns, R&D credits, and multi-state compliance, pay per credit.

File any return

Free forever.

Run the agent

Pay per credit.

See the C corporation agent in action.

From source documents to filed return. Watch Instead prepare, review, and file a corporate tax return end to end.

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