Onboarding with Milly Books: Manual Data Uploads with Milly Books

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Uploading your book of business is the single most important step to unlocking the full power of the Milly Books platform. This data is the “fuel” that powers our proprietary Valuation Engine, enables strategic portfolio segmentation with “Slices,” drives our intelligent matching algorithms, and streamlines the creation of marketplace listings.

This flexible method works for any AMS that can export a policy report, such as EZLynx or even AMS360. The process involves several key steps designed to be user-friendly and to ensure data integrity.

Choose Your Connection Method

Milly Books offers several pathways to integrate your data, designed to fit your agency's specific system and preferences.

Log in to your AMS and generate a detailed policy report. For EZLynx, this is the “Detail Report”; for AMS360, use the “Policy Book of Business” report.

Customize the report to include the following required fields: Carrier, Line of Business (LOB), Total Premium (Annualized), Insured State, Type (Personal/Commercial), and a Policy Number or ID. Export the final report as a CSV file.

Log in to Milly Books and go to the Book Management section. Click the “Upload File” button and select the CSV file you just exported.

Uploading a new file replaces your entire existing policy dataset, which ensures your book on the platform reflects the most up-to-date information.

Our intuitive wizard will guide you through mapping the columns from your CSV file to the corresponding fields in Milly Books. The system will attempt to automatically map headers for known formats like EZLynx, but you can easily adjust or manually map any unmapped fields using the provided dropdowns.

Validation checks flag missing data, data type mismatches, and other potential issues.

Carefully review the data preview to ensure everything appears correct and there are no mismatches or errors. If you spot any issues, you can correct the data in your original CSV and re-upload.

Once you are satisfied, click “Complete Import” to finalize the process.

Data Standardization and Quality

To provide accurate valuations, your raw data is transformed into a high-quality format. The system validates required fields, converts data for consistency (e.g., standardizing state abbreviations), and intelligently maps your Carrier and Line of Business codes to a master list. Your custom mappings are saved to increase efficiency for future uploads.

Our Commitment to Your Privacy

We understand the sensitive nature of your agency’s data.

  • Data Minimization and Anonymization: Our most critical security measure is to avoid storing sensitive client information. Details such as names and addresses are systematically excluded. We use an anonymized client ID to protect privacy.
  • Your Data, Your Control: Your agency’s data remains your sole property, and all data sharing decisions are made exclusively by you.

By uploading your book of business, you provide the data needed to power accurate valuations, strategic Slicing, and intelligent matching on the Milly Books platform. Ready to connect your agency’s data to powerful M&A insights?

Best Practices for Maximizing Your Experience

  • Master Your Data: The accuracy of our platform depends on the quality of your data. Ensure your data is clean and accurate at the source (within your AMS) before you begin.
  • Leverage Core Features: Actively use features like “Slices” to perform granular analysis and obtain precise valuations for specific segments of your book.
  • Stay Engaged: Interact with the platform by responding to notifications and exploring your dashboard to stay aware of new opportunities.

The Milly Books Success Team: Your Expert Partner

Our dedicated Success Team is a vital resource, providing personalized assistance and deep platform knowledge. Our team can manage the entire data import process for you—from review and cleaning to mapping and uploading. We can also provide expert support to help you craft a compelling listing that attracts the right buyers and offer general guidance to ensure you can navigate the platform with confidence.

Ready to unlock the value of your book, regardless of your AMS? Create your free account and explore our flexible upload options today.


Need extra help? Connect with our Success Team today for assistance in creating your account, integrating your data, or creating your first listing!


6255 Carrollton Ave #30738, Indianapolis, IN 46230


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