AI for entrepreneurs that runs the team you can't yet hire
Drafts content, handles support, runs outreach, and pulls metrics across every function.
Brain AI holds your business voice, products, and customer history.
One subscription replaces the small team you'd need to do this alone.

Every entrepreneur function in one platform
Entrepreneurs run on the founder doing everything. The inbox, the content, the customer work, the operations. Sintra runs the work that's stealing your build time. Twelve specialised functions across sales, support, marketing, and ops, all sharing your business context through Brain AI.

What slows down an entrepreneur
AI for entrepreneurs should compound your reach without compounding the tool stack. These are the drains every solo operator runs into.
The inbox runs the day
Half the emails routine, half need thoughtful reply. You handle both at 8 p.m.
Content waits for a Friday that doesn't come
Newsletter, blog, social all depend on a quiet Friday that doesn't happen.
Customer support is reactive
Questions answered when they shout. Quiet ones drift to competitors.
Reports take longer than decisions
Pulling revenue, marketing, ops into one view takes a Tuesday.
Hiring is the bottleneck
You'd grow if you could hire. Hiring takes time everything else needs.
Strategy gets leftover hours
The actual strategic work, the business-defining stuff, happens at 11 p.m. Sunday.
How AI for entrepreneurs runs your business, function by function
Each role is built for one part of solo founder work. Brain AI holds your products, voice, and customer history.
Reply to routine business email

Schedule social and content across channels

Handle customer support and triage

Pull weekly performance reports

Generate sales outreach and follow-ups

Refresh website copy and SEO

Build hiring posts when ready

Run financial and operational summaries

How entrepreneurs actually use AI for entrepreneurs
Five workflows that compound your day.
Monday morning
Walk in to find AI has answered routine email, queued content, drafted three blog posts, and built a one-page performance report.

New offer launch
Drop the offer spec. AI writes landing page, launch email, social campaign, support FAQ, and sales talking points.

Customer support
AI handles refunds, account questions, and product questions automatically.

Weekly snapshot
AI pulls revenue, support trends, marketing, and pipeline into one page.

First hire
Tell AI you need a part-time helper. It writes the job post, screens applicants, queues interviews.

Twelve AI tools for entrepreneurs, one subscription
Each role is built for one part of the solo founder workload. They share your products, voice, and customer history through Brain AI.
Brain AI keeps every output on-brand
Drop your products, brand voice, customer FAQ, and past content into Brain AI. Every output reads from it before it writes. The email, the blog, the social all sound like your business. 93% of users see response accuracy improve once Brain AI is populated.
93%
Of users report increase in response accuracy after filling Brain AI.
5.2 hours
Saved for users per week by eliminating repetitive context-setting.

As users continue to engage with Brain AI, they experience ongoing improvement in their critical thinking skills and cognitive abilities.
Plugs into the tools your business already runs on
Google
Drive
Gmail

Google Calendar


Outlook
Notion

Quickbooks

Microsoft

Strava

Google
Analytics

Google
Drive
Gmail

Google Calendar


Outlook
Notion

Quickbooks

Microsoft

Strava

Google
Analytics

Google
Drive
Gmail

Google Calendar


Outlook
Notion

Quickbooks

Microsoft

Strava

Google
Analytics

How to start
Three steps from sign-up to your first replied email.
Connect your stack
Link your email, CRM, content tool, and analytics. Set up takes ten minutes.

Fill Brain AI
Drop in your brand voice, products, customer FAQ, and sample content.

Hand off the first task
Ask AI to handle today's routine email or draft this week's newsletter.

With great powers
comes great privacy.
Encrypted by design
From your first login to the last addition in your business knowledge vault, every interaction is encrypted in transit and at rest. This means that neither Sintra nor any third party can access your files or analytics.
Full Data Ownership
"Your content, your strategy, your AI - they belong entirely to you. At any time, you can delete your data or export it. We don’t train models on it or resell it, and your Brain AI is built exclusively on your own assets.
GDPR Compliant
We follow the highest standards of data protection under the GDPR framework. Your personal information is collected and stored transparently - with clear rights to access, modify, or delete your data at any time.
Pricing built for entrepreneurs
One subscription gives you all 12 functions, Brain AI, and the full integration list. No per-seat fees. 14-day money-back guarantee on your first paid month.
Used by more than
50,000+ founders.

I can’t recommend SintraAI enough. It’s like having a personal business coach 24/7, mapping out steps to grow my company and clarifying my priorities. I feel a renewed sense of focus and control every day.
December 29, 2024 • Socrate Concepcion • US

Each AI bot tackles my to-do list, from scheduling tasks to crawling my website for SEO tips. I love how it set up calendar reminders for all my commitments. Sintra.ai is well worth every penny, especially for a busy single-person business.
December 14, 2024 • Jennifer Glenn • US

As an entrepreneur launching a new venture, Sintra.ai has made a real difference. The AI assistants are like personal staff I can rely on. And whenever I needed support, the team was on point. A must-try for any budding business!
December 21, 2024 • Custódio Barreiros • HU

I once had a large team, and although I loved my helpers, they needed constant motivation. With Sintra, there’s no drama, just new ideas that I can simply accept or reject. It’s a huge relief—100% recommended.
December 26, 2024 • Holly Wehde • US

Hiring Sintra was a great decision for my struggling boutique. They handle social media posts, guide my ads, and even offered a solution for double social media pages. Now I can focus on my inventory and customers.
December 17, 2024 • Michele Davis • US

Signed up for Sintra X—it felt overwhelming at first, but once it understood how I think, it turned into a creative powerhouse. Support is top-notch, and the daily integrations impress me.
Dec 10, 2024 • Sami Liftoff • US

I’m not usually one to give top marks, but once I got comfortable with Sintra’s 12 helpers, I was blown away by their efficiency. They churn out so many analytical ideas I have to pause and digest them. It’s sometimes overwhelming, but in a good way.
December 29, 2024 • lars • DK

Sintra integrates with all my favorite tools and these little helpers automate my tasks in a huge way. They actually learn my company’s style day by day. It’s a massive step up from generic AI chats.
December 30, 2024 • Michelangelo • IT

My life is simpler with Sintra. It handles content creation, next steps, brainstorming, and copy. I highly recommend it if you want to free up mental space for what truly matters in your business.
December 28, 2024 • Lionel D'Alvia • US

My “team” in Sintra knocks out tasks like magic, offering fresh ideas for efficiency and better customer outreach. It’s a relief knowing I have AI assistants ready to go around the clock.
December 31, 2024 • Kat Angelica • US

I’ve only been using Sintra for a couple of weeks, but the experience has been great—especially with the social media bot reaching out to me with new ideas. The pull model feels super proactive and makes me more confident in my daily tasks.
December 30, 2024 • Bayan Qandil • US

I challenge anyone to compare other platforms to Sintra.ai and their staff—you won’t find a better customer experience. Everyone is professional, responsive, and genuinely cares about helping. Truly top-notch!
December 28, 2024 • Timothy Montjoy • US
This platform helps me like a full-time employee would. As a startup, I can’t afford extra staff, so Sintra stepped in to handle complex tasks and free me up for big-picture thinking.
December 28, 2024 • Jules Kincaid • US

I’m juggling multiple hats in my business, and these 12 AI “helpers” lighten the load. They even crack jokes and celebrate milestones with me! I saved thousands in consultant fees by letting Sintra handle SEO and content tasks.
December 30, 2024 • Michelle Smith • US

This platform helps me like a full-time employee would. As a startup, I can’t afford extra staff, so Sintra stepped in to handle complex tasks and free me up for big-picture thinking.
December 24, 2024 • Domanic R.H • US



Data-Backed Results From Real Users
+37%
Revenue growth in the first 90 days
5x
Faster content production across all channels
20h
Saved weekly on admin, support, and content work
80%
Of repetitive tasks fully automated
Run your business solo, with AI
Twelve functions, one subscription, no new hires. Get Sintra, drop your business context into Brain AI, and see the first task handled before lunch.
Frequenly asked questions
ChatGPT is a blank canvas. Each function here is pre-built for a specific job and already knows your business.
Both. AI drafts content, sends emails, schedules posts. Anything you approve, it executes.
Business data sits in encrypted Brain AI storage under standard SOC 2 controls.
AI works from your context, not stock templates.
14-day money-back guarantee on your first paid month.
















