For small US independent insurance agencies
The only spreadsheet cleaner that remembers each carrier's file as a rule
Made for the ops lead at a 5 to 30 person agency or brokerage. Upload in, clean file out, ready to import into any policy system.
| Source column | Import field | Example value | Status |
|---|---|---|---|
| Insured Nm | customer_name | Alder Street Dental | Confirmed |
| Pol # | policy_number | HM-204871 | Confirmed |
| Eff Dt | effective_date | 03/01/2026 | Confirmed |
| Prem Amt | written_premium | $1,248.52 | Proposed |
| LOB | line_of_business | Commercial Auto | Corrected |
rule "Hartwell Mutual / monthly file"
"Insured Nm" -> customer_name "Pol #" -> policy_number "Eff Dt" -> effective_date "Prem Amt" -> written_premium "LOB" -> line_of_businesssaved for this carrier's fileHow it remembers
Every carrier's file becomes a rule
Fenced Case proposes how each column maps to your destination system. You confirm or correct it, and that mapping is saved as a rule for that carrier's file.
The file comes back ready to import into any policy system, with no integration to set up. Saved rules are unlimited.

- Import file
- Saved rule
- Proposed mapping
- Carrier spreadsheet
In action
Upload a file, confirm the mapping, and take the clean file out
Upload in
Drop in a spreadsheet or CSV from a carrier. Nothing connects to your systems.
- Spreadsheet
- CSV
file "hartwell_march.csv"carrier "Hartwell Mutual"destination "policy system"Confirm the mapping
AI proposes how each column maps to the destination system’s import format. You confirm or correct it, and the mapping is saved as a rule.
- Confirm
- Correct
- Saved rule
"Prem Amt" written_premium proposed"LOB" line_of_business correctedsave as ruleTake the clean file out
Download a file in the import format of the destination system, ready to import.
- Import-ready file
format "policy system import"rule "Hartwell Mutual / monthly file"status "ready"fenced case
- Files
- Rules
- Exports
| customer_name | policy_number | effective_date | written_premium | line_of_business | Status |
|---|---|---|---|---|---|
| Alder Street Dental | HM-204871 | 03/01/2026 | $1,248.52 | Commercial Auto | Ready |
| Birchwood Bakery LLC | HM-204872 | 03/01/2026 | $862.00 | General Liability | Ready |
| Castellan Roofing | HM-204873 | 03/03/2026 | $3,415.30 | Workers Comp | Ready |
| Dunmore Family Pharmacy | HM-204874 | 03/03/2026 | $20.78 | Package | Ready |
| Eastgate Auto Repair | HM-204875 | 03/07/2026 | $1,990.00 | Garage Liability | Ready |
| Foxglove Florists | HM-204876 | 03/08/2026 | $412.64 | Business Owners | Ready |
| Garrity & Sons Plumbing | HM-204877 | 03/10/2026 | $2,704.15 | Commercial Auto | Ready |
| Harbor Lane Studio | HM-204878 | 03/12/2026 | $588.40 | General Liability | Ready |
| Ironside Fitness | HM-204879 | 03/15/2026 | $1,126.00 | Business Owners | Ready |
Who it is for
Made for the ops lead, at a US independent insurance agency or brokerage of 5 to 30 people
You stay in charge
AI proposes the mapping. You confirm or correct it before it is saved as a rule.
Any policy system
The clean file comes back in the import format of the destination system you pick.
No integration
You upload a spreadsheet or CSV and take a file. Nothing connects to your systems.
Up to 25,000 rows a month
For the whole team, on one plan.
Unlimited saved rules
Every carrier’s file keeps its rule.