S CORPORATIONS · 1120-S

The complete S corporation tax agent.

From source documents to signed return, Instead prepares workpapers, populates returns, resolves diagnostics, and files 1120-S returns, K-1s, and all supporting schedules.

Instead S corporation tax agent interface
THE S CORPORATION RETURN

One agent.
Every step of the 1120‑S.

Tax plans, workpapers, return population, K-1 generation, review, and filing. Instead handles every step of S corporation tax preparation so your team focuses on advisory.

  • Reasonable compensation analysis
  • Shareholder basis calculations
  • AAA and OAA tracking
  • K-1 generation for every shareholder
Instead 1120-S agent interface
CAPABILITIES

Everything you do with an S corporation. Automated.

Plan. Prepare. Review. File. Resolve.

Tax workpapers

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

Tax return preparation

The agent populates every line of the 1120-S from workpapers. K-1 generation, shareholder basis calculations, and AAA tracking included.

Tax return review

Run compliance reviews against source docs, workpapers, and current tax law. Flags issues before you see them.

Tax plans and memos

Build S corporation tax plans with reasonable compensation analysis, distribution strategies, and client-ready deliverables.

Tax estimates

Quarterly estimated tax calculations for shareholders, federal and state. Safe harbor analysis and flow-through impact included.

Tax resolution

Late filing penalties, S election issues, and IRS correspondence. The agent builds the response.

Strategy implementation

From intake through analysis to final deliverable. S corporation strategies with projected impact on shareholders and entity.

Custom workflows

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

WORKFLOWS

Every document organized automatically.

Upload financials, prior returns, and source docs. The agent classifies, renames, and organizes everything by tax year and shareholder.

Auto-classification

Agent organizes S corporation docs, shareholder records, and prior year returns.

Version history

Full audit trail on every document. Revert any change at any time.

Cloud integrations

Google Drive, OneDrive, and Box. Connect your existing document store.

READY TO RUN

Workflows built for S corporation returns.

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

  • Build a 1120-S tax workpaper (TY25)
  • Prepare and review a 1120-S return (TY25)
  • Review a 1120-S tax return (TY25)
  • Build an S corporation tax plan (TY26)
  • Build shareholder tax estimates (TY26)
  • Implement a tax strategy
  • Reasonable compensation analysis
Instead S Corporation workflow library
THE GRID

One person.
Thousands of 1120‑S returns.

Select S corporation clients. Run return preparation across all of them simultaneously. The grid handles every shareholder, every K-1, every basis calculation in parallel.

Team scaling 1120-S tax compliance across multiple S corporation clients
Instead tax research interface showing S corporation analysis
RESEARCH

Ask any S corporation question. Get cited answers.

Shareholder took distributions exceeding basis. What’s the tax treatment? Client wants to revoke the S election mid-year. What are the consequences? The agent finds the answer in seconds, cited from IRC sections, Treasury Regulations, and IRS Audit Technique Guides.

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.

FILING

E-file and print. Federal and state.

S Corporation (1120-S), including K-1s and all supporting schedules. Government-approved e-file to IRS + 48 state jurisdictions. Print-ready for all 50.

1120-S, Schedule K, K-1, D, L, M-1, M-2, M-3, 4562, 4797, 8825, and more

AT SCALE

Built for volume. Built for accuracy.

The agent prepares, reviews, and files S corporation returns at scale. One person, hundreds of returns, same quality every time.

ALL ENTITIES

One platform for every entity type.

Coming TY26: 706 · 709 · 990 · 5500 · 2290

Multi-entity clients? Link entities and run workflows across them.
The agent handles the complexity.

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-S by hand at no cost. When you want the agent to handle K-1s, basis calculations, and reasonable compensation analysis, pay per credit.

File any return

Free forever.

Run the agent

Pay per credit.

See the 1120‑S agent in action.

From source documents to filed return. Watch Instead prepare, review, and file an S corporation tax return end to end.