Secure and Easy Management in the Cloud
Great Sign is an e-contract service adherent to the relevant* laws and regulations
*Related laws and regulations:
Electronic Signature Law (2001), Electronic Books Maintenance Act (1998),
e-Document Law (2005)
Please input your email address below.
We will send you a link to complete your registration.
*If your email address ends with @me.com, you might not receive a registration email from us.
We apologize for the inconvenience and suggest using another email address.
Great Sign lets you perform complex contract signing tasks online.
You can conclude and manage contracts that had been done on paper,
but now it can be done on the cloud.
Cut Down on Costs
Save money on paper and related costs by turning your transactions into electronic processes. You will never need to print documents for signature ever again.
Reduce Physical Storage
To store physical documents, you need to buy additional equipment. But with Great Sign, we keep your documents stored on the cloud, so that you don’t have to worry about additional processes.
Save Valuable Time
With our comprehensive search feature, you will easily find the document you’re looking for in a matter of seconds!
Free Plan | ||
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Basic Fee | Monthly | JPY 0 |
Yearly (1st Month Free) | JPY 0 | |
Cost per Completed Document | JPY 0 | |
No. of Users | 1 | |
No. of Documents | Up to 10 Total | |
PDF-compatibility | ![]() |
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AATL and LTV Support | ![]() |
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Multi-party Contracts | ![]() |
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Download Restrictions | Unlimited | |
Data Size per File | 10MB | |
Total Data Size per Completed File | 50MB | |
Comprehensive Customer Support | ー | |
Import of Existing Contracts | ー | |
IP Address Restriction | ー | |
User Identity Authentication | ー |
Light Plan | ||
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Basic Fee | Monthly | JPY 8,580 Excl. Tax JPY 7,800 |
Yearly (1st Month Free) | JPY 94,380 Excl. Tax JPY 85,800 |
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Cost per Completed Document | JPY 165 | |
No. of Users | Unlimited | |
No. of Documents | Unlimited | |
PDF-compatibility | ![]() |
|
AATL and LTV Support | ![]() |
|
Multi-party Contracts | ![]() |
|
Download Restrictions | Unlimited | |
Data Size per File | 25MB | |
Total Data Size per Completed File | 100MB | |
Comprehensive Customer Support | ![]() |
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Import of Existing Contracts | ![]() |
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IP Address Restriction | *Billed separately | |
User Identity Authentication | ー |
Great Plan | ||
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Basic Fee | Monthly | JPY 10,780~ Excl. Tax JPY 9,800 |
Yearly (1st Month Free) | JPY 118,580 Excl. Tax JPY 107,800 |
|
Cost per Completed Document | JPY 198 | |
No. of Users | Unlimited | |
No. of Documents | Unlimited | |
PDF-compatibility | ![]() |
|
AATL and LTV Support | ![]() |
|
Multi-party Contracts | ![]() |
|
Download Restrictions | Unlimited | |
Data Size per File | 25MB | |
Total Data Size per Completed File | 100MB | |
Comprehensive Customer Support | ![]() |
|
Import of Existing Contracts | ![]() |
|
IP Address Restriction | *Billed separately | |
User Identity Authentication | ![]() |
Please input your email address below.
We will send you a link to complete your registration.
*If your email address ends with @me.com, you might not receive a registration email from us.
We apologize for the inconvenience and suggest using another email address.
QWhat are Electronic Signatures?
AAccording to the Japan Electronic Signature Law, e-signatures are a method of signing that is done by a specified person with a certain signature and has the same effect as a handwritten signature. With Great Sign, the confirmation time of documents is recorded to verify the agreement between the relevant parties.
QAre documents completed via an e-contract service legally binding?
ADocuments completed through Great Sign are signed digitally and timestamped. They are compliant to related laws and regulations in Japan and are admissible as evidence in court.
QWhat is Great Sign?
AGreat Sign is an e-signature platform designed to help you meet your digital signing needs. Create documents with legally binding electronic signatures and timestamping to replace traditional paper contracts and the additional labor that comes with it.
QIf I cancel my contract with Great Sign, will I still be able to access my documents?
AAfter you complete the subscription cancellation process, you will no longer be able to access your documents on Great Sign. However, you can download and save the files on your personal computer to access anytime before you unsubscribe.
Frequently Asked Questions (currently Japanese only)