Part of our cost series. For the baseline numbers, start with how much legal malpractice insurance costs; for one lawyer, see the solo attorney cost guide.
Once a firm has more than one lawyer, the malpractice premium stops being a single number and becomes a build-up: a rate for each attorney, adjusted for the firm’s practice mix, its history, and the limits the whole firm shares. That is why two five-lawyer firms in the same city can be quoted amounts thousands of dollars apart, and why the question “what does a small firm pay?” needs the build-up explained before the range means anything.
The short answer
A firm of two to five attorneys commonly pays between $5,000 and $25,000 a year in total for lawyers professional liability coverage at $1 million per claim and $3 million aggregate. Firms of six to ten attorneys are priced the same way, attorney by attorney, and the total is driven far more by practice mix and claims history than by headcount alone. A firm whose lawyers are mostly transactional, with clean records, sits at the low end. A firm with a meaningful contingency, securities, or intellectual property practice sits at the top, and fewer carriers will quote it at all.
### Typical annual premiums by firm size
| Firm size | Limits | Typical annual premium |
|---|---|---|
| 2 – 5 attorneys | $1M / $3M | $5,000 – $25,000 firm-wide; the low end is transactional work with clean records, the high end is litigation-heavy or high-risk practice areas |
| 6 – 10 attorneys | $1M / $3M or higher | Priced per attorney; practice mix and history dominate |
Ranges reflect the 2026 small-firm market and are illustrative, not quotes. A real premium is confirmed only after underwriting.
How a firm premium is built
Carriers rate a firm one lawyer at a time and then add the pieces up.
Each attorney carries a base rate that reflects their own years of prior work to be covered. A lawyer who has practiced for fifteen years brings fifteen years of claims-made exposure; an associate admitted last year brings almost none. That is why adding a senior lateral moves the premium more than adding a first-year associate.
The firm’s practice mix adjusts every rate. The application asks what percentage of the firm’s work falls into each practice area. Underwriters price the firm on its riskiest meaningful slice, not its average. A firm that is mostly estate planning with a meaningful slice of plaintiff personal injury is priced with that personal injury work in view. We cover the tiers in malpractice insurance cost by practice area.
Claims history applies to the whole firm. A claim against any lawyer in the firm follows the firm’s rating for several years, and a lateral hire’s prior claims come with them.
Limits are shared. The $3 million aggregate is the most the policy will pay for all claims in the policy year, across every lawyer. A firm of ten sharing a $3 million aggregate has far less protection per lawyer than a solo with the same limits. This is the point at which many firms price a higher aggregate, and the increase is often smaller than they expect.
The five things that move a small firm’s premium
1. Practice mix. The largest lever, as it is for a solo, but with a twist: the mix is the firm’s, so one partner’s high-risk niche reprices everyone.
2. Who you hire. A lateral partner with a long history and a claim brings both into your rating. A first-year associate barely moves it. Ask your broker to price a lateral before the offer letter, not after.
3. Limits and deductible. Firm-level limits should track the largest matter any lawyer handles, not the average. A deductible that a solo could absorb may be wrong for a firm where a single bad year could produce two claims.
4. Location. Premiums track the local litigation culture. Major metropolitan markets price above smaller ones, and states differ. Texas generally prices as a moderate state.
5. Claims and disciplinary history. Clean records earn better pricing. Prior claims follow the firm for several years.
What the premium does not cover once you have staff
The first employee changes the risk picture in ways the malpractice policy was never built for, and the gaps are worth naming here because they arrive with the second desk.
- Employment claims. Discrimination, harassment, wrongful termination, and retaliation claims from your own people are excluded from professional liability coverage by design. EPLI is the separate policy.
- Cyber and breach response. Not covered by the malpractice policy; a separate cyber policy responds.
- Workers’ compensation and payroll obligations. Employer duties, not insurance gaps, but they arrive at the same moment. Our guide to the first employee covers them.
Our headcount-by-headcount map, solo to five attorneys, shows what changes at each stage.
What the premium does and does not buy
Before comparing two firm quotes, compare the terms that make them non-comparable:
- Defense costs inside or outside the limit. On a shared aggregate, defense costs that erode the limit erode it for every lawyer in the firm.
- The retroactive date, for every lawyer. When a firm moves carriers, each attorney’s prior acts date must carry forward. A quote that resets any of them is buying less coverage. How the retroactive date works.
- Tail terms for departing lawyers. When a partner retires or leaves, the firm needs to know who buys the tail and at what multiple. Tail typically costs 150% to 300% of the final annual premium; a five-lawyer firm paying $20,000 a year might see a tail bill of $30,000 to $60,000.
- Consent to settle and the hammer clause. Whether the carrier can settle without the firm’s consent, and what happens to the carrier’s exposure if the firm refuses a recommended settlement. In a multi-lawyer firm, one partner’s reputation and the firm’s checkbook can pull in different directions. Read how to read a malpractice quote for the rest.
How small firms keep the premium reasonable
- Report the practice mix accurately and revisit it at renewal. If the firm’s work has shifted toward lower-risk matters, say so. It is priceable.
- Price laterals before you hire them. It takes a broker a day and can change the offer.
- Ask about risk management credits. Engagement letters, docket controls, conflict checks, and continuing education can each earn a discount with many carriers.
- Price the higher aggregate. Firms are often surprised at how little a larger shared limit costs relative to the protection it adds.
- Get quoted by a market that wants your firm. Carrier appetites for practice areas differ widely. In five decades of placing coverage for lawyers, the single most reliable way I have seen to improve a small firm’s pricing is to be quoted by a carrier that actively writes that kind of firm.
The bottom line
Expect roughly $5,000 to $25,000 a year for a firm of two to five attorneys with standard limits, and per-attorney pricing above that, with practice mix and claims history deciding where you land. Treat any single number, including these, as a starting point. The useful question is not “what is the cheapest premium?” but “what does the right coverage for this firm cost?” The difference between those questions is where firms get hurt.
LawPAK works exclusively with law firms, and firms of two to twenty attorneys are the core of our book. If you would like a real number for your firm instead of a range from the internet, request a quote or see what our Property & Casualty practice covers. The review costs nothing, and you will know exactly where you stand.
FAQ
How much does malpractice insurance cost for a small law firm?
Firms of two to five attorneys commonly pay $5,000 to $25,000 a year in total at $1M/$3M limits. Larger small firms are priced attorney by attorney, and practice mix and claims history matter more than headcount.
Is malpractice insurance priced per attorney?
Yes. Carriers assign each lawyer a rate that reflects their years of prior work, adjust it for the firm’s practice mix and history, and add the pieces up. A senior lateral moves the premium more than a new associate.
Does one lawyer’s practice area affect the whole firm’s premium?
It does. The firm is rated on its riskiest meaningful slice of work, so one partner’s contingency or securities practice reprices the firm, not just that partner.
Are $1M/$3M limits enough for a five-lawyer firm?
The $3 million aggregate is shared by every lawyer for the whole policy year, so it buys less protection per lawyer than it does for a solo. Many firms of that size price a higher aggregate, and the cost is often smaller than expected.
In insurance since 1975. Founder of The Beck Company; former executive at Aon and Willis; teaches insurance at the University of Texas School of Law; board-certified in insurance forensics — five decades placing coverage for legal professionals.
