Scope sheet
finbryn.com
Actuarial
Loss reserve studies for workers' compensation and liability self-insurance
Finbryn provides loss reserve study support for employers and captives that self-insure workers' compensation, general liability and auto, running chain-ladder, Bornhuetter-Ferguson and expected loss ratio methods on your claims triangles, with ranges and funding levels, for review and signature by a credentialed signing actuary.
What is included
- Loss development triangles by program and accident year
- Unpaid loss estimates from more than one method, with the selection explained
- A range around the central estimate and the drivers behind it
- Funding and budget projections for the next program year
- Accrual support for the financial statements
The process
- 1.
Agree scope and the signing actuary
Lines, programs, valuation date and the signing actuary named in the engagement letter.
- 2.
Collect loss runs
Claims by accident year with paid, case reserves, recoveries and any allocated expense, at each valuation date.
- 3.
Reconcile and build triangles
Tie counts and totals to the ledger and the prior study, then build paid and incurred triangles by line.
- 4.
Run the methods
Paid and incurred chain-ladder, Bornhuetter-Ferguson and expected loss ratio, with every factor shown.
- 5.
Prepare the selection, range and funding view
Unpaid by accident year, the drivers of uncertainty, and funding at the confidence levels the sponsor chooses.
- 6.
Signing actuary reviews and signs
The credentialed actuary reviews methods, selections and any opinion, and signs what the situation requires.
- 7.
Auditor review
Your auditor receives the memo, workpapers and signed results to support the accrual.
Software
Microsoft Excel, Python, R
Finbryn is a brand of Northlane Solutions Inc., a Delaware corporation.
Reviewed October 2026