This example is a composite drawn from multiple firms and actual engagements, and its structure is common enough that many readers will recognize it.
A solo immigration attorney earning about $500K annually reports that nearly 80% of her new matters come through introductions, and she has never needed to advertise. She presents this as evidence of her firm’s health. Two primary relationships drive most of these referrals: former clients who refer relatives for family petitions, and an HR director at a regional employer who introduces her to other employers needing assistance with employment visas.
She’s not alone in relying on referrals. Clio’s 2025 Legal Trends research for solo and small firms found that 59% identify referrals as their primary source of leads, compared to 27% of larger firms. This figure reflects the number of firms that trust referrals, but doesn’t indicate how much of any single firm’s work comes from this channel.
The number she trusts
The 80% figure is accurate and reflects new matters. It effectively answers whether people refer work to her. She also uses it to assess which types of work each source provides. A simple matter count doesn’t always capture that detail.
Several additional metrics support this figure. These include her share of collected fees and contribution by source, the amount remaining after delivery and acquisition costs. Most importantly, the share of her own hours each source requires is critical, as she is the sole attorney and her time is limited. We used 80% as a proxy for all these measures.
Same channel, different matters
Both referral streams come through introductions and often use flat fees. According to AILA’s 2022 marketplace study, 87% of its members bill primarily on fixed fees, making this a standard practice. The matters themselves require different approaches.
A family petition begins with Form I-130 and proceeds to adjustment of status or consular processing, depending on the relative’s location. This process is lengthy and involves ongoing communication with families. Employer matters use Form I-129, and H-1B petitions require a certified labor condition application before proceeding. These cases involve HR departments, each with its own schedule and definition of urgency.
Scope, fee size, the extent of paralegal involvement, and how often files require her direct attention all vary between these two types of matters.
It remains unclear which source best compensates her time, as her current reports don’t provide this information. Contribution per owner hour by source would reveal what each stream collects, minus delivery and acquisition costs, divided by her personal hours. When differences are measured, they reflect how the firm manages these types of work, not the referral sources themselves.
How the mix keeps itself
The same relationships continue to send similar matters. The mix of work remains consistent over time, without any deliberate decision to maintain it.
The cost of an introduction is also worth considering. While it appears as zero on the marketing line, and the 80% figure reflects this, an introduction that costs nothing to acquire can still require significant owner involvement. These hours count as delivery, which the referral percentage doesn’t capture. I once assumed a free lead was always beneficial, but experience has shown otherwise.
Counting matters identifies her busiest referral source. But the source that best compensates her time may differ, and matter counts will always highlight the source sending the most files.
What her reports can’t produce
Her records may link referral sources to billed or collected amounts, but they don’t track delivery costs or her personal hours. Contribution per owner hour requires both. Her current reporting doesn’t support a side-by-side comparison of the two streams.
Monitor the mix of work by source and watch how it changes over time.
For an initial assessment of your firm’s numbers, the GrowthProLegal scorecard is available at growthprolegal.com/scorecard.
This letter is general information and isn’t legal advice or accounting advice. The firm described is a composite, and no client or employer is identified.
The analysis in this letter is produced under Revenue Intelligence & Decision Architecture (RIDA), the proprietary economic discipline B.L. Sheets & Co. runs on and runs for the firms it serves. The doctrine, the case record, and the engagement formats are at blsheets.co.