We sell software, not referrals — so here is the honest version of an answer that usually comes with an agenda. Plenty of workers do fine unrepresented. Some situations reliably justify the fee. The trick is knowing which case you have.
Where unrepresented workers do fine
Accepted claim, treatment flowing, full recovery, back to work — the system mostly administers itself, and the state’s Information & Assistance officers exist to help unrepresented workers for free. Even with a small permanent rating, the math is checkable: WPI in, dollars out, on the calculator.
Where representation earns its fee
The claim is denied or a body part is disputed. Apportionment appears in a report (the quiet discount — often the single biggest money issue). The rating is serious — high double digits, or anywhere near the 70%+ life-pension line. A C&R is on the table and future medical is being priced. Or the case grows adjacent claims (§132a retaliation, FEHA). These are fights over inputs and strategy, not arithmetic — that is what counsel is for.
What the fee actually is
Contingency, WCAB-approved, commonly around 15% of the PD recovery (§4906) — no retainer, no hourly bills, paid from the award. The practical question is whether representation moves the outcome by more than the fee; in disputed-input cases it very often does, and in clean cases it may not.
Either way: verify the number
Represented or not, the arithmetic half of your case is free to check. The rating pipeline is deterministic; the calculator runs it with the full audit trail, and the decoder verifies any rating string served on you. Nobody — on any side — should be the only one in the room who hasn’t done the math. Informational use only; not legal advice.