All-in-one electronic signature software for your proposals

Between emails, documents, signatures, and payments, mistakes are inevitable and clients are lost. But with Nusii, you can manage every step of your proposals with just one platform.

Free 14-day trial
60-day money-back guarantee

Manual Signing vs Electronic Signature Software vs Nusii

Don’t invest in multiple pieces of software for your proposals just to end up with a subpar experience for you and your clients. Nusii provides a unified experience for faster signing and closing.
Manual signing e-signature software Nusii
Legally binding
Audit trail
Automatic reminders
Payments Sometimes
Proposal creation tools
Content library
Interactive pricing
Brian Sooy

“Nusii fast and easy to set up, gives me immediate feedback when recipients open their proposal, and makes my day when I get an email with a signed proposal. ”

Brian Sooy, President, Aespire Branding & Marketing

Transform your proposal process in 3 simple steps

Here’s how Nusii combines electronic signature, proposal management, agreement tracking, pricing quotes, and payments into a single application.
1. Create Create proposals
2. Track Create proposals
3. Client Signs & Pays Create proposals

Quick, easy and secure electronic signatures

Because it’s integrated with everything else you need to manage proposals, electronic signatures with Nusii are even more effortless than other solutions.

Legally binding e-signatures globally

When your client signs we record their name, IP address and date of signature.

Signatures from anywhere on any device

Your clients can accept and sign your proposals right in the browser or on mobile.

Slick signing process

If you need to change something on the documents, you don’t have to re-upload them afterwards and lose precious time.

Interactive pricing preview

Winning proposals. No training required.

Don’t waste hours of your time anymore. Nusii is packed with features to create compelling proposals without even lifting a finger.
Templates preview Templates

Use one of our templates instead of starting from nothing. They are crafted by experts.

Content library preview Content library

Re-use content between proposals. This way, new proposals are already at least 80% done.

Interactive pricing preview Interactive pricing

Add multiple pricing options to proposals to make sure clients find what they’re looking for.

Gina Nieves

“It’s just so easy to use. I hired a salesperson who wasn’t very technical and she was able to use Nusii in only a few minutes without problem. ”

Gina Nieves, CEO & Founder, MarkNet Group

Drive smarter business decisions with proposal tracking

No more guessing about what’s next. Track everything that’s going on with your proposals to close clients faster at a higher rate.


Get a notification when someone opens, accepts, or signs a proposal. Plus, automatic reminders when proposals aren’t opened yet.


Analyze proposals with the best success rate to find how to fix your blind spots.

Sync to your CRM

Keep all communication in your CRM with integrations to your favorite tools. And stages are kept in sync with proposal statuses.

Interactive pricing preview

6000+ businesses trust in Nusii to win more proposals

Ready to combine proposal creation, tracking & signature into one tool?

No training required
Free 14-day trial
60-day money-back guarantee
Rebecca Shaddix

Sending proposals through Nusii saved us an average of 2 hours per proposal, and increased closed/won deal conversion rate by 41%.

Rebecca Shaddix, Managing Partner, Strategica Partners