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Lifecycle · Conversion
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Convert your entity.

LLC to Corp. Sole prop to LLC. C-Corp to S-Corp. Statutory conversion in any state.

220,000+ businesses SOC 2 Type II 4.9★ from 8,200+
File.Business · Lifecycle · Conversion
Preserves
EIN
Preserves
Contracts
51
States
2-6 wk
Typical
In a nutshell

The quick answer.

What is it?

Entity conversions: changing your entity type to match your stage.

Who needs it?

Founders who need to raise capital, change tax treatment, or restructure.

Why does it matter?

Conversions preserve EIN, history, contracts; new formation does not.

When to act?

Before raising, before changing tax structure, before exit planning.

What you get

Real outcomes.

Not features — outcomes. Time saved, money saved, deadlines hit, anxiety reduced.

S

Statutory conversion

Preserves EIN, contracts, history.

A

All entity types

LLC to Corp, Sole Prop to LLC, C to S, more.

E

EIN preserved

No new IRS process.

C

Contracts preserved

Assignments not required.

B

BosAI guidance

Picks the right conversion type.

S

State-specific

Per-state filing process.

How it works

A clean handoff, in 4 steps.

1
Step 01

Decide.

LLC to Corp? S to C? BosAI helps choose.

2
Step 02

File articles.

State conversion filing.

3
Step 03

Update EIN.

Notify IRS.

4
Step 04

Update contracts.

Assignments or notifications.

Why File.Business

The reasons 220,000+ chose us.

BosAI on every page. SOC 2 audited. All 51 jurisdictions. Real specialists, not bots. Compliance Subscription that pays for itself in the first missed deadline you avoid.

Preserves EIN

No new IRS process.

Preserves history

Established date stays.

Preserves contracts

No reassignment.

State-specific

Per-state process.

BosAI-guided

Picks right type.

Tax-aware

S-Corp election if needed.

By the numbers

Lifecycle · Conversion, measured.

Preserves
EIN
Preserves
Contracts
51
States
2-6 wk
Typical
Customer voice

"Converted from LLC to C-Corp before Series A. EIN preserved, contracts intact, took 3 weeks."

E
Erik H.
Founder, Hartley AI Labs
FAQ

Common questions.

LLC to Corp?

Yes, statutory conversion in most states.

Sole prop to LLC?

Yes, conversion or new formation.

C-Corp to S-Corp?

Tax election, not entity conversion.

Preserves EIN?

Yes, statutory conversion preserves EIN.

Preserves contracts?

Yes.

Preserves history?

Yes, established date stays.

Time?

2-6 weeks per state.

Cost?

State fee + our service.

Tax implications?

Discuss with your CPA, especially LLC to Corp.

Cited by Forbes The Wall Street Journal Inc. Bloomberg TechCrunch

Convert your entity.

Statutory conversion preserves EIN, contracts, history.

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