Law Firm Cash Flow on Contingency When Checks Are Slow
How a small PI firm forecasts from its case pipeline and keeps settlement receivables from quietly slipping.
Law firm cash flow on contingency stays manageable when you forecast from the case pipeline and keep fixed overhead low enough to survive a slow quarter. Fees land in lumps. Rent and payroll land every month. The gap between those two rhythms is the whole problem, and it has a practical fix: a rolling forecast built from your open matters, plus scheduled follow-up on every resolved case so earned fees do not sit in someone else's account for an extra sixty days.
Nimbus Marlowe is the AI operations layer for personal-injury law firms, starting with intake. We built it for contingency practices, which is why no charge is ever a percentage of any recovery, settlement, or judgment, and why every rate is flat, published, and billed per completed unit of work. That design matters for this topic, because the biggest cash flow mistake a small firm can make is stacking fixed monthly costs on top of revenue that arrives whenever it arrives.
Why is law firm cash flow on contingency so hard to plan?
A contingency practice runs an inventory business without knowing when inventory sells. You invest in a case for months. Filing fees, records, expert costs, staff time. The fee arrives at resolution, and resolution dates move. An adjuster goes quiet in October. A lien negotiation adds six weeks. None of it is anyone's fault, and all of it lands on the same operating account that pays rent on the first.
The instinct is to watch the bank balance. The balance only tells you about decisions you made months ago. By the time it looks scary, your remaining options are painful ones, like resolving a case earlier than you wanted to or cutting the marketing that feeds next year. Firms that plan from the pipeline see trouble a quarter early, while it is still cheap to fix.
How do you forecast revenue from a contingency pipeline?
Build a simple rolling forecast in a spreadsheet and update it monthly. For every open matter, record a few fields.
- •The stage it sits in today, from intake through resolution
- •The attorney's own estimate of the likely fee range for the firm
- •A realistic resolution window, written as a range of months rather than a single date
Total the fee estimates by expected month, then plan spending against the low end of each range. Treat anything above the low end as reserve building. Individual estimates will miss. The aggregate is what you steer by, and it gets more reliable every month you update it. The estimating is attorney judgment, applied to files the attorney knows. No software should be doing that part for you, and ours does not.
Intake feeds the top of this forecast. A soft signing month shows up in the projection long before it shows up in the bank, which makes 24/7 intake coverage a finance decision as much as a marketing one. When the intake coordinator answers the 9pm call from a car-accident lead and books the consult, the pipeline that funds next year keeps filling. At roughly $18 per qualified intake, that coverage costs a fraction of what the case pipeline is worth.
How do you smooth lumpy revenue month to month?
Start with a reserve target measured in months of overhead. Add up what it costs to run the firm for one month with zero fees arriving. Payroll, rent, software, the case costs you expect to advance. Then look back at your own history and find your longest dry stretch. That stretch, plus a cushion, is your target. Building it takes time, and it is still the single most calming number in the practice.
Case mix does quiet work here too. A docket made entirely of large, slow matters produces a famine-and-feast pattern that no reserve fully absorbs. Smaller matters that resolve sooner keep something arriving most months. Which cases to take is a judgment call only the attorneys can make. The forecast is what makes the tradeoff visible while there is still time to act on it.
Cost structure is the other lever. Every fixed monthly cost you sign up for is a bet that revenue shows up on schedule, and contingency revenue makes no such promise. A part-time intake specialist runs $3,000 to $4,000 per month whether four leads call or forty. Per-unit services flex with the work. In a slow month you owe less because less happened, which is the direction you want costs moving when checks are late.
Where do settlement receivables slip across the pipeline?
After a case resolves, a queue of small tasks stands between the firm and its fee. Release signatures. Lien payoff confirmations. A closing statement the client needs to approve. Each item takes one call or one email, and each one belongs to nobody in particular, so it waits. One case drifting two extra weeks is invisible. A dozen resolved cases each drifting a few weeks leaves a real hole in the quarter, and it never appears on any report because every dollar is technically on the way.
Settled cases stop paying attention to you the day the release is signed. Follow-up needs an owner, a cadence, and a written record.
The fix is treating post-resolution follow-up as a scheduled system rather than a memory exercise. Every resolved matter gets a next action and a date, and something checks that date daily. This is the job our collections follow-up agent runs. It keeps outreach moving on schedule and logs every touch in the file, so the attorney can see at a glance what is outstanding and why. The attorney reviews and directs all of it. And the money itself stays entirely on the firm's rails, because Nimbus never holds, transmits, or takes custody of client funds.
What should a monthly cash review cover?
Put thirty minutes on the calendar, same day every month, and walk one page. The habit matters more than the format.
- •Pipeline forecast: expected fee ranges by month, updated for stage changes
- •Reserve position: months of overhead currently covered
- •Post-resolution receivables: every resolved matter, its next action, and its age
- •Intake volume: signed cases this month against your trailing average
Most firms find the last two lines drive the conversation. Receivables age quietly, and intake dips take months to hurt, so both reward the operator who looks every month instead of every crisis.
How does flat per-unit pricing fit contingency cash flow?
Costs that scale with completed work behave the way a contingency firm needs. On pay-as-you-go there is no minimum of any kind. A qualified intake runs about $18. Contract review is $65 flat, case preparation is $95, and a demand letter draft is $170, with collections follow-up also billed flat per unit. The CRM underneath all of it is free: contacts, matters, documents, and a client portal at $0, never invoiced. Firms with steady volume can move to committed pricing, which discounts the per-unit rates in exchange for a $500 per month minimum realized as a simple true-up line item. The minimum is a floor. Nothing is prepaid and nothing expires, so no cash sits locked in a vendor's account while you wait on a slow check.
The trust line belongs in plain sight. No Nimbus fee is ever a percentage of any recovery, settlement, or judgment, and the published rates are identical regardless of outcome. Every agent output is a draft that a licensed attorney reviews and adopts before it goes anywhere. Your fee stays yours.
If lumpy months have been making the firm's decisions for you, put the pipeline where you can see it and let the forecast take over. Sign up now and start with the free CRM, or book a call and we will walk through how the ops layer fits your practice.
Frequently asked questions
Does Nimbus Marlowe take a percentage of settlements?
No. Every charge is a flat, published per-unit rate that stays identical regardless of case outcome. Nimbus also never holds, transmits, or takes custody of client funds, so every dollar moves on the firm's own accounts.
Who reviews the work the AI agents produce?
A licensed attorney at your firm reviews every output before it is used. The agents handle operations, and the attorney decides what gets adopted. Nothing goes out under your name without your review.
Do I have to prepay or keep a balance to use Nimbus?
No. Pay-as-you-go bills per completed unit with no minimum. Committed plans carry a $500 per month minimum applied as a simple true-up line item, and nothing is prepaid or expires.
Will Nimbus replace my practice-management system?
No. Nimbus sits in front of your existing system as an operations layer, so you keep the software you already run. The free CRM means starting costs nothing.
Put your firm's operations on autopilot. Reviewed by you.
Nimbus Marlowe is the AI operations layer for personal-injury firms. The CRM is free, pricing is flat and per-unit, and every output is a draft your attorneys review and adopt.