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AI for enterprise finance teams
Make your accounts receivable teams extraordinarily productive
Make your accounts receivable teams extraordinarily productive
Run collections, reconciliation and dispute resolution autonomously.
Free your team for strategic work. Deploy in days, reduce DSO in weeks.



Recovered cash
20-30 days
Operator time savings
20h weekly
Fewer past due invoices
40%


How we partner
Every finance team operates differently.
Rex learns your team's workflows, deploys agents to execute them, and guarantees measurable results – or you don't pay.
Every finance team operates differently. Rex learns your team's workflows, deploys agents to execute them, and guarantees measurable results – or you don't pay.
On-site workshops to map your AR procedures
AI agents deployed and live within days across your existing stack
Continuous improvement: Agents learn from every touchpoint
For companies on SAP, NetSuite, Workday or Dynamics
Why Rex
How Rex helps enterprise AR teams


Turn AR into a revenue driver
Spot upsell opportunities, credit expansion candidates and revenue leakage. Surface insights sales teams can act on immediately.


Unify context across systems
Stop hunting for context across different systems.
Connect ERP, inbox, CRM, and portals to create a unified customer timeline.
Stop hunting for context across different systems. Connect ERP, inbox, CRM, and portals to create a unified customer timeline.

Create leverage for your teams
Automate routine work. Redeploy collectors to strategic accounts and complex negotiations. Handle 3x volume with existing headcount.
Rex in action
Automate the work
that slows down AR




Agents handle uploads to 40+ supplier portals
Monitor Coupa, Ariba and all supplier portals, 24/7.
Rex uploads and tracks invoices automatically.
Save weeks of work, every month.
Uncover hidden revenue in your receivables
Run a multi-month contract audit in minutes. Find pricing discrepancies, uncollected fees, and billing errors across thousands of customers.






Automate collections across thousands of customers
Personalize timing and messaging at scale, with AI.
Collect from customers previously written off as too small.
Personalize timing and messaging at scale, with AI. Collect from customers previously written off as too small.
Forecast cash flow with unparalleled accuracy
Gain cash flow insight from previously unreadable signals across emails, contracts, ERPs.
Make strategic decisions competitors can't.


Runs on your existing finance stack






Enterprise-grade from day zero
Rex is built for trust & security
SOC2 Type I and ISO27001 compliant (pending)
Role-based access control and audit logs
AES-256 encrypted
Who we work with
Industries
We partner with finance operations teams across the industrial economy.
CPG
Manufacturing
Construction
Retail
Logistics
Distribution

FAQ
Frequently asked questions
What is Rex?
Rex is an AI operating system for accounts receivable teams. We automate manual AR workflows like collections, portal uploads, and payment reconciliation by connecting your ERP, CRM, email, and Teams.
What is Rex?
Rex is an AI operating system for accounts receivable teams. We automate manual AR workflows like collections, portal uploads, and payment reconciliation by connecting your ERP, CRM, email, and Teams.
Who is Rex for?
Who is Rex for?
How is Rex different from existing AR tools?
How is Rex different from existing AR tools?
Does Rex replace my ERP?
Does Rex replace my ERP?
How long does implementation take?
How long does implementation take?
What ROI can I expect?
What ROI can I expect?
How does Rex handle complex scenarios?
How does Rex handle complex scenarios?
