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Quoting Software

Nusii

Online proposal software for agencies and professional services firms to create, send and track client proposals

By Nusii

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About Nusii

Proposals that look finished in minutes, with a record of who opened them

Nusii is online proposal software built for creative agencies, freelancers and other professional services businesses. The company's starting point is a dislike of the usual tools: proposals assembled by hand in Word, InDesign, Pages or a PDF are slow to produce and awkward to keep consistent. Nusii's team says it has more than thirty years of combined experience of creating, sending, tracking and managing proposals, and built the product around that. Its site says that a proposal can go out in around fifteen minutes, where other methods can take days.

Branded from the start

Ready-made templates take a logo and brand colors in a few minutes, and proposals can be sent from the user's own email address and custom domain so that the client does not see that an online service is involved. A flexible text editor keeps the focus on the content rather than the layout.

Reusable content

Sections and whole templates can be saved and dropped into a new proposal, including the sender's pricing structure. Variables fill in the client's details automatically, which removes the chore of finding and replacing an earlier client's name. Optional items can be included so that a client can choose extras, which the company presents as a way to add upsell work.

Tracking, reminders and signing

The sender is told when the client opens the email containing the proposal link, when the proposal itself is viewed, and when it is signed or declined. If a client downloads a PDF copy, that is recorded too. Internal reminder intervals prompt a follow-up on unopened proposals. Signatures are legally binding and are collected in the browser.

Working with clients anywhere

The interface is available in 35 languages, with multi-currency and tax handling set at the account or client level. Proposals can be filtered by whether they are sent, unopened or opened, to show what is working. Nusii connects to other business tools through integrations and also offers a direct API, and it reports that thousands of companies use it.

TrustList summary

Nusii is online proposal software aimed at creative agencies and professional services firms. It replaces proposals built by hand in Word, InDesign or PDF files with branded templates that can be filled in quickly and sent from the browser.

The tool tells the sender when a client opens the proposal email and when the proposal itself is viewed, so follow-up can be timed sensibly.

What Nusii offers

  • Branded templates: add a logo and brand colours to ready-made proposal layouts.
  • Reusable content: save sections and full templates, with variables that fill in client details automatically.
  • Tracking and notifications: alerts when a proposal is opened, viewed, signed or left unopened.
  • Client choices: clients can select optional items and accept or decline online.
  • Signatures and currencies: legally binding signatures in the browser, plus multi-currency and tax handling.
  • Custom sending: proposals can go out from the sender's own email address or domain.

Who it works with

Agencies and professional services businesses that send many proposals to prospective clients.

Key facts

  • Languages: localised in 35 languages
  • Integrations: connects with sales workflow tools
  • Customers: the site says about 6,985 companies use it

Summary written by TrustList from the business's own published information, Nov 2026.

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