Unpaid invoices can strangle your cash flow and strain business relationships. Whether you're a small business owner or a growing enterprise in Indiana, choosing the right debt collection partner is critical. We've analyzed five top agencies to help you find
| Provider | Best For |
|---|---|
| Mesa Revenue Partners | Aggressive commercial collections with litigation support |
| IC System | Ethical, relationship-focused debt collection for multiple industries |
| The Kaplan Group | Large commercial claims with high success rates |
| Collective Recovery LLC | Compliant, relationship-preserving B2B debt recovery |
| LB Gray LLC | Legal enforcement through judgments and wage garnishment |
A deep dive into the 5 best Professional Services for 2026
#1 Mesa Revenue Partners
A screenshot of the Mesa Revenue Partners website.
Since 1976, Mesa Revenue Partners has been a heavyweight in Indiana commercial collections. They specialize in corporate asset and liability investigations and aren't afraid to pursue litigation when necessary. Their approach includes free accounts aging analysis and pre-collect invoice services, tailored to each business's unique situation. If you need a partner that will aggressively pursue every legal avenue, Mesa Revenue Partners is a strong contender.
#2 IC System
A screenshot of the IC System website.
IC System brings three generations of family-owned expertise to Indiana's diverse industries, including manufacturing, healthcare, and logistics. They emphasize ethical, efficient, and respectful service that aligns with your business goals. Their proven accounts receivable management strategies focus on faster payments while maintaining customer relationships. For a trusted, long-standing partner with a personalized touch, IC System is a top choice.
#3 The Kaplan Group
A screenshot of The Kaplan Group website.
With 25 years of experience, The Kaplan Group boasts an impressive 85% success rate on large viable claims. They operate on a contingency basis with rates ranging from 10% to 25%, meaning you only pay when they collect. Their mission is simple: get you paid for all valid unpaid invoices or determine the debt is uncollectible. If you have large commercial claims and want a proven track record, The Kaplan Group delivers.
#4 Collective Recovery LLC
A screenshot of the Collective Recovery LLC website.
Collective Recovery LLC stands out for its focus on compliance and relationship preservation, offering both third-party and first-party collections. They provide skip tracing, demand notices, and payment negotiations, all while adhering to the Fair Debt Collection Practices Act. Their B2B invoice recovery service is designed to resolve unpaid commercial invoices without damaging professional ties. For small businesses that value a compliant, relationship-first approach, Collective Recovery LLC is an excellent choice.
#5 LB Gray LLC
A screenshot of the LB Gray LLC website.
LB Gray LLC disrupts traditional collection methods by combining standard calls and letters with legal remedies through its affiliation with Landman Beatty Lawyers. They pursue monetary judgments that are renewable for 20 years and can enforce wage garnishment, a tactic that forces payment. Their data shows they collect nearly three times the national average for multi-family housing debts, even beyond the typical 7-year credit reporting window. If you need to apply legal pressure to recover debts, LB Gray LLC is a formidable option.

