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Stop Running Sales on Gut Feelings.

Big Sister scores every rep 0–100 across CRM, calls, and deals. Managers get objective data. Reps know exactly what to fix.
Book a Demo
Profile card of a smiling woman labeled 'AI' with US flag, titled Big Sister, showing stats: 99 CRM, 99 Calls, 99 Meetings, 99 Won, 99 L2M, 99 M2W.
99
Big Sister AI logo.Big Sister AI logo.
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Fireflies AI company logo.Fireflies AI company logo.HubSpot logo with stylized figure between the letters 'p' and 't'.OpenPhone company logoGray text displaying the word 'pipedrive' in lowercase letters.Salesforce logo with the word 'salesforce' in white inside a gray cloud shape.
Overlooked Gap in Sales
What is not defined cannot be measured.
What is not measured cannot be improved.
What is not improved is always degraded.
William Thomson Kelvin portrait.
William Thomson Kelvin.
Why does one salesperson have a 15% win rate and the second only 5%?
Modern sales management is blind. Businesses don’t have data to explain it.
We will disrupt it!
Everyone wants to increase revenue. There are only 2 solutions - more leads or better quality. How to increase quality (win rate)? Reduce human mistakes in the pipeline.
Most sales leaders cannot use data-driven methods in sales management. They don't have data for it. Revenue, activity, win rate, and that's all... They might use their opinion, experience, or intuition.
We do the same as sports teams
Like the case of the Money Ball movie. We rate the most critical sales skills in CRM, calls, and video calls.
End Sales Astrology. Give revenue leaders the objective data they need to manage teams — and give reps the real-time feedback to close more deals.
How it works
Select Your Role
Learn more about Big Sister AI through the eyes of a manager or salesperson
Sales manager using Big Sister AI platform.
Manager
Revenue governance data that shows why deals are won or lost and which skill gaps are costing you quota.
Start with a Free Audit
CRM
Calls
Meetings
Sales rep using Big Sister AI platform.
Sales
Your private FIFA Player Card — an objective Sales Score that travels with you from job to job.
Start with a Free Audit
CRM
Calls
Meetings
Сlients
A software development company
Patient travel agency
Real Estate Developer
Creative branding agency
Sewing equipment and services
Sales Consulting company
Big Sister AI logo.

Your top rep closes 4x more.

Now you can find out why.
Book Your Demo
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Phone number:
+1(737) 273-9548
HQ «Capital Factory» :
701 Brazos St, Austin, TX 78701, US
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© 2026 Big Sister AI. All rights reserved
Big Sister AI client testimonial photo.
Don Shafer
Founder/director/Technical Fellow of Athens Group Holdings LLC, a Senior Life IEEE member, and an investor and mentor at the entrepreneur’s Capital Factory
Athens Group Holdings LLC
Technical
If you have ever been subjected to SalesForce and attempted to use external tools to dig into why your conversion rates were not acceptable, you need Big Sister AI. This is real AI at work not just a sprinkling of "Pixy Dust" over dataset. I wish I had Big Sister AI when my startup hade multiple sales people spread across the world. Try it. You will not be sorry.
Linkedin
Big Sister AI client testimonial photo.
Mike Rybachuk
Co-founder at Projector institute
Projector institute
EdTech
I'm a co-founder of a big online EdTech Institute. And we have to find the right people to collaborate with. Sales and communication is one of the crucial aspects in the business. I think that Big Sister team knows them very deep! They try to understand the core needs on both sides, which is a game changer in the business. System, strategy, different angles of view, AI — these are the tools Big Sister team uses.
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