For over a decade, businesses have turned to The Receivables Agency when they need to recover outstanding invoices without damaging the client relationships they've worked so hard to build. Based in Glendale, California, we've become the trusted white-labeled AR partner for companies throughout the world.
The Receivables Agency, formerly known as GK Portfolio Solutions, was founded in 2013 by George Kaiteris in Glendale, California. The story began not with a business plan, but with a problem George witnessed firsthand – a critical gap in receivables management that was costing businesses money and damaging relationships.
After being let go from his job, George made a decision that would change everything. He took his first unemployment check, purchased a basic laptop, and started reaching out to market research companies in the LA area that were struggling with aged invoices and unpaid accounts.
The result? Within just two months, George had secured enough clients to establish what would become one of California’s most trusted receivables management firms.
Over the past 12 years operating from our Glendale headquarters, The Receivables Agency has:
In 2025, we rebranded from GK Portfolio Solutions to The Receivables Agency – a name that better reflects who we are and what we do:
a dedicated, professional, and results-driven receivables management firm serving businesses throughout California and nationwide.
Our mission is simple but powerful: help businesses recover what they're owed without compromising relationships or overspending on in-house staff.
When you work with The Receivables Agency, you get:
✓ An experienced team – not just a body – at a fraction of the cost of hiring in-house
✓ White-labeled representation that preserves your brand and client relationships
✓ 28+ years of AR expertise applied to your unique situation
✓ Industry-specific knowledge that understands your business challenges
✓ Proven processes that have recovered over $500 million for clients like you
Whether you’re a growing startup in Pasadena or an established enterprise in Downtown LA, The Receivables Agency delivers tailored accounts receivable services designed to scale with your business.
Here’s why businesses in Greater LA choose The Receivables Agency
Over $500 million recovered speaks louder than any promise. Our results are real, measurable, and documented.
We represent you, not ourselves. Your clients never know we’re involved – preserving the relationships you’ve built.
From cannabis to SaaS, trucking to media – we understand your industry’s unique billing cycles and client behaviors
Get an experienced AR team at a fraction of the cost of hiring in-house staff – no benefits, no training, no overhead.
George Kaiteris is the founder and heart of The Receivables Agency, bringing over 28 years of accounts receivable management experience to every client engagement.
In 2013, George started this business from his Glendale office with nothing more than a basic laptop, a vision, and an unwavering determination to solve a real problem he’d witnessed throughout his career: businesses losing money and damaging relationships due to poor receivables management.
His hands-on leadership style, no-nonsense approach, and genuine passion for helping businesses get paid have earned him a reputation for reliability and results
George’s approach is simple: treat every client’s receivables like they’re his own. This philosophy has made The Receivables Agency the trusted choice for businesses throughout Glendale, Los Angeles, and around the world.
Today, he continues to lead with the same grit and client-first mindset that started it all, delivering high-quality receivables management with the professionalism of a large firm and the personal touch of a trusted partner.
George and his team seamlessly took over our receivables process and managed it efficiently. Through their efforts we were able to maintain a low DSO and consistent cash flow for our growing company.
CreatorIQ
George’s meticulous follow-up helped us dramatically improve cash flow and allowed me to focus on more pressing items. George is fantastic to work with.
Empanel Online
George was able to quickly establish a payment plan and had our client adhere to it in a professional and respectable manner. I find him trustworthy and a man of high integrity.
The PEER Consulting Group
Schedule a free aging review and discover how much revenue is trapped in past-due invoices.