Proprietorship Concern

Partnership Firm

Limited Liability Partnership (LLPs)

One Person Company (OPC)

Private Limited Company

Public Limited Company

Registration Requirement

Not required

Not mandatory

Registration must

Registration must

Registration must

Registration must

Registering Authority

No Registration Required

Registrar of Partnership

Registrar of Companies

Registrar of Companies

Registrar of Companies

Registrar of Companies

Suitable for

Small businesses in unorganised sectors

Small businesses in unorganised sectors

Small to Medium businesses in organised sectors

Small businesses in organised sectors

Start up, Growing and Medium size businesses in organised sectors

Medium to large businesses in organised sectors

Name Availability

Anything. However should not breach trademark or copyright

Anything. However should not breach trademark or copyright

Anything with prior approval. However should not breach trademark or copyright

Anything with prior approval. However should not breach trademark or copyright

Anything with prior approval. However should not breach trademark or copyright

Anything with prior approval. However should not breach trademark or copyright

Time required for Setting-up and start of business

Instantly

Instantly

Instantly after setting-up, however incorporation may take 7-10 days

Instantly after incorporation however incorporation may take 7-10 days

Instantly after incorporation however incorporation may take 7-10 days

Instantly after incorporation however business can be started only after securing Certificate of Commencement of Business after incorporation, which put  together may take 15-21 days