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Nusii

The proposal software serious businesses use to win more work·nusii.com

No free plan (14-day trial) See pricing ↓

Nusii is online proposal software that lets freelancers, creative agencies, and professional services businesses create, track, and manage client proposals. It offers legally binding e-signatures, interactive/optional pricing, reusable templates, video embedding, real-time viewing notifications, and payment collection via Stripe. It also provides an API, webhooks, an MCP server, and a CLI for integrating proposal data with CRMs and AI assistants.

What it's for

Send branded, web-based proposals to clients instead of PDFs or Word documentsGet real-time notifications when a proposal is viewedCollect legally binding digital signatures on proposalsOffer interactive pricing or optional/upsell packages clients can toggleReuse proposal templates and a content library across dealsEmbed videos directly in proposalsAccept payment on proposal acceptance via StripeSend proposals in multiple currenciesConnect proposal events to a CRM, Zapier, or Slack

Features 21

API access with request logs
Content library with reusable sections
CRM integrations (Hubspot, Pipedrive)
Custom branding (colors, logo)
Custom domain for sending proposals
Interactive/optional pricing tables
Legally binding electronic signatures
Localized in 35 languages
MCP server for AI assistants (Claude, ChatGPT, Gemini, Copilot)
Multi-currency and tax handling
Multi-signature support
Outreach reminders
PDF export
Real-time notifications (email opens, proposal opens, signature)
Reusable proposal templates
Send proposals from own email/domain
Stripe payment integration
Two-Factor Authentication
Video embedding (YouTube, Vimeo, or upload)
Webhooks
Zapier integration

At a glance

free trialAPI

TypeWeb app

DeploymentCloud

PlatformsWeb

Forfreelancers, creative agencies, professional services businesses, marketing agencies, sales teams, SaaS companies, construction businesses, solo consultants

CompanyNusii Proposals S.L. · 2012

Integrations

StripeClaudeZapierMicrosoft Copilot StudioChatGPTGeminiCodexHubspotSlackPipedrive

Resources

Docs

Pricing

The Agency plan costs $49/mo for 3 seats. Freelancer and Business plan monthly prices are not publicly disclosed. Annual billing offers 2 months free, but exact annual figures are not shown. Custom plans are available via quote.

FreelancerQuote

Price not explicitly stated on the pricing page.

5 active proposals, 1 user

Agency$49/mo

Price stated on homepage as 'just $49/mo... Not $49 per user per month' for 3 seats.

20 active proposals, 3 users included (additional seats $19/user/month)

BusinessQuote

Price not explicitly stated on the pricing page; demo offered instead of direct signup.

50+ active proposals, 5 users included (additional seats $29/user/month)

Custom planQuote

For custom plans please contact us directly.

For teams needing more than the Business plan