Unpaid invoices are a persistent challenge for Oklahoma City businesses, particularly in energy, logistics, and construction, where large receivables are common. When internal follow-ups fail to yield results, a professional collection agency can recover funds that might otherwise be lost entirely. But choosing the wrong partner can damage client relationships, while the right one recovers your money and preserves the business connections you’ve built.
This article compares three agencies that serve Oklahoma City—Southwest Recovery Services, The Kaplan Group, and Account Management Resources—breaks down typical costs and fee structures, and summarizes verified reviews so you can make an informed decision. All three operate on a contingency basis, typically charging 10%–25% for commercial accounts, meaning you pay nothing unless they collect.
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Southwest Recovery Services: Get Your Money Back 20+ Years Experience | Texas-Based | Contingency Only – You Pay When We Collect
Built for Commercial Collections:
The Southwest Recovery Difference: ✓ Contingency only – no upfront costs ✓ Veteran collectors with respectful omnichannel outreach ✓ Priority sectors: trucking, logistics, contractors, oil & gas ✓ Clear reporting on account status and outcomes Trust & Results You Need: Nationally recognized ethical collections agency with 12 offices across six states. Compliance-first approach with no threats or guarantees. |
Southwest Recovery Services is a Texas-based commercial collection agency with over 20 years of experience and 12 offices across seven states. We specialize in B2B invoice recovery for companies with $10M–$100M in revenue, with particular strength in trucking, logistics, contractors, and oil and gas.
We operate exclusively on a contingency model: you pay nothing unless we collect. Our contingency fees typically range from 10%–25%, depending on debt age, complexity, and volume.
What distinguishes our approach is AI-guided tracking software that monitors every promise to pay across phone, email, text, and mail, combined with our founder’s daily involvement on accounts. Our veteran collectors use respectful omnichannel outreach designed to recover funds without burning bridges between you and your clients.
Positive client feedback frequently highlights our professional and compassionate staff members who help resolve accounts efficiently. Many reviewers commend our team’s ability to balance firmness with respect when communicating with debtors.
Reviewers also note persistent follow-through on difficult claims and transparent communication throughout the collection process. Businesses mention our success in recovering debts that had been written off by other agencies, often achieving results within shorter timeframes than expected.

The Kaplan Group is a California-based commercial collection agency that has served businesses nationwide, including in Oklahoma City, for over 35 years. They specialize in large commercial debts with a minimum claim size of $10,000.
Their contingency fees range from 10–25%, and they maintain an in-house law firm for cases requiring legal escalation. The agency avoids auto-dialers and collection scripts in favor of personalized outreach.
Clients frequently describe their effective communication and strong follow-through on difficult claims. Many reviewers highlight the agency’s professional approach and consistent updates throughout the collection process.
Some reviewers praise the agency’s speed in resolving long-outstanding debts, often recovering amounts that other agencies had failed to collect. Businesses appreciate the agency’s ability to maintain positive relationships while still achieving results.

Account Management Resources is headquartered in downtown Oklahoma City and has operated for over 50 years. AMR primarily serves commercial and governmental entities, including medical providers, municipalities, and educational institutions. They use a Lean Six Sigma process methodology and maintain a strategic partnership with the Oklahoma Municipal League.
AMR has a long track record and government partnerships that indicate institutional credibility and proven expertise in handling complex accounts across multiple sectors. Positive client feedback frequently highlights their systematic approach to debt recovery and their experienced staff’s knowledge of compliance regulations.
A number of businesses mention their reliability in meeting contractual obligations and their willingness to customize collection strategies based on specific client needs.

| Agency | Southwest Recovery Services | The Kaplan Group | Account Management Resources |
|---|---|---|---|
| Headquarters | Addison, TX (12 offices, 7 states) | Pismo Beach, CA (nationwide) | Oklahoma City, OK |
| Years in Business | 20+ | 35+ | 50+ |
| Specialization | B2B commercial collections | Large commercial claims ($10K+) | Government & commercial entities |
| Pricing Model | Contingency only (10%–25%) | Contingency only (10%–25%) | Contact for a quote |
| Key Industries | Trucking, logistics, oil & gas, contractors | Cross-industry B2B | Medical, municipal, educational |
Most commercial collection agencies in Oklahoma City work on a contingency fee basis, meaning you pay nothing upfront and owe a percentage only when the agency successfully recovers funds. For B2B commercial collections, contingency rates typically fall between 10% and 25%, depending on several factors.
Debt age is the primary cost driver. Invoices that are 60–90 days overdue typically fall at the lower end of the fee range, while older or more complex debts may push rates toward the higher end of that range. Account size also matters: larger debts often command lower percentages because the agency’s absolute return is higher. Volume plays a role, too; businesses placing multiple accounts regularly can often negotiate discounted rates.
Beyond contingency fees, businesses should be aware of potential additional costs if collections escalate. Legal action, when necessary, can involve court filing fees depending on jurisdiction, process server costs, and attorney fees that are usually structured as a separate contingency or hourly arrangement. Reputable agencies will discuss these possibilities upfront before pursuing legal remedies.
Some agencies also provide flat-fee models for early-stage collection efforts like demand letters, though this approach is less common for high-value commercial debts.

At Southwest Recovery Services, we understand what Oklahoma City businesses, especially those in energy, trucking, and professional services, need from a collection partner: results without damaging the relationships you depend on. Our collectors are trained veterans who use respectful, persistent outreach across every communication channel to recover your past-due invoices.
We operate on a strict contingency basis. You pay nothing unless we collect; no retainers, no hidden fees. Our priority sectors align closely with Oklahoma City’s core industries, including oil and gas, logistics, and construction. With 12 offices across seven states, we combine national reach with the hands-on attention of a focused team. We take a compliance-first approach; no threats, no guarantees, just transparent reporting and ethical collections that protect your reputation while recovering your revenue.
Under a contingency model, you pay the collection agency a percentage of the amount they successfully recover, typically 10%–25% for commercial debts. If they collect nothing, you owe nothing. There are no upfront fees.
Industries with high-value receivables and extended payment cycles benefit the most. In Oklahoma City, businesses in oil and gas, trucking, logistics, construction, and professional services frequently rely on collection agencies to recover unpaid B2B invoices and stabilize cash flow.
Most experts recommend engaging a collection agency when an invoice reaches 90–120 days past due. After that point, the likelihood of internal recovery drops significantly with each passing week.
It depends on the agency. Agencies that use aggressive, impersonal tactics risk harming your client relationships. Ethical agencies use respectful communication and work to preserve goodwill while recovering funds.
We at Southwest Recovery Services combine 20+ years of B2B collection experience with AI-guided tracking, omnichannel outreach, and contingency-only pricing. We focus on industries like trucking, oil and gas, and construction, and our compliance-first approach ensures respectful treatment of every debtor.
*Note: Recovery rates mentioned are for general reference only and not guaranteed. Actual results vary by account and industry. Contact Southwest Recovery Services for a customized quote.
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