Last updated: May 2026

ISO Lending Partner Program

ISO Lending: How Independent Sales Organizations Work in Commercial Finance

If you work in commercial finance — as a broker, ISO, CPA, equipment vendor, or financial consultant — understanding ISO lending is fundamental. This guide explains exactly how the ISO lending model works, how ISOs get paid, what the ISO agreement covers, and how referral partners fit into the broader ISO network. Whether you are considering becoming a full ISO or simply want to earn referral fees on deals you encounter, this page covers the structure from end to end.

  • How ISOs originate and place commercial finance deals
  • ISO commission structures and typical splits by product
  • ISO agreements — what they cover and what to watch for
  • When a referral partner model makes more sense than a full ISO setup

What is ISO lending?

ISO lending is the origination and placement model that powers much of the alternative commercial finance industry in the United States. An ISO — Independent Sales Organization — is an entity that markets financing products to business owners, collects applications, gathers documentation, and submits completed deal packages to funders or lenders for approval. When a funder approves and funds a deal, the ISO earns a commission.

The term "ISO" has its roots in the payment processing industry, where independent sales organizations sold credit card processing services on behalf of card networks and processors. In commercial finance, the term was adopted because the structure is similar: a third party originates relationships and deals on behalf of the capital provider, earning a transaction-based commission rather than a salary.

The critical distinction is that ISOs in commercial finance do not lend their own money. They are origination and placement intermediaries. The funder underwrites the credit risk, funds the deal from its own capital, and services the account. The ISO's job is to find and qualify appropriate borrowers, assemble the application package, and match the deal to the right funder within their network.

ISO lending operates across a wide range of commercial finance products, including merchant cash advances, short-term and medium-term business loans, lines of credit, equipment financing, accounts receivable financing, invoice factoring, and SBA loan referrals. The specific products an ISO focuses on depend on their funder relationships, their client base, and the credit profiles they encounter most frequently.

For referral partners — CPAs, equipment vendors, consultants, or other professionals who occasionally encounter clients needing financing — understanding the ISO lending model matters because it defines the network you are tapping into when you refer a deal. The ISO or ISO network that receives your referral is the entity responsible for submitting, placing, and managing the deal on behalf of your client.

How ISO lending works step by step

The ISO lending process has a consistent structure across most products, though timelines and documentation requirements vary by product type and funder. Here is how a standard deal moves through the ISO lending model from initial contact to commission payment.

  • Step 1 — ISO signs funder agreement. Before submitting any deals, an ISO executes a formal agreement with each funder in their network. This agreement sets commission rates, defines submission requirements, establishes clawback terms, and outlines the process for getting deals approved and funded. ISOs typically maintain agreements with multiple funders so they can match each deal to the best-fit capital source.
  • Step 2 — ISO markets to businesses. ISOs source deals through inbound marketing (SEO, content, paid search), outbound cold calling and email, referral relationships with brokers and advisors, and repeat business from previous clients. Marketing is entirely at the ISO's expense — funders pay only on funded transactions, not for the ISO's origination costs.
  • Step 3 — ISO collects the application and documentation. When a business owner expresses interest, the ISO collects a standard application package: business application, recent bank statements (typically 3–6 months), business tax returns or profit and loss statements, owner identification, and any collateral information relevant to the product. For equipment deals, equipment quotes or invoices are included. For AR financing, aging reports are required.
  • Step 4 — ISO screens and pre-qualifies the deal. Before submitting to funders, experienced ISOs review the application package to verify basic eligibility. This step catches incomplete documentation, obvious credit problems that would immediately disqualify the deal, or mismatches between the requested product and the business's actual financial profile. Submitting clean, complete packages is one of the primary ways ISOs maintain strong funder relationships.
  • Step 5 — ISO submits to funder. The ISO uploads or emails the complete package to one or more funders based on which programs fit the deal's profile. Some ISOs submit to a single preferred funder first. Others — particularly for harder-to-place deals — submit to multiple funders simultaneously to generate competing offers. Funder decisions on working capital products can come back in hours; SBA and equipment deals take longer.
  • Step 6 — Funder underwrites and approves. The funder reviews the package, runs their own credit analysis, and either approves the deal, issues a counter-offer at different terms, or declines. For MCA and short-term working capital products, underwriting is often completed within 24–48 hours. For SBA loans, the timeline extends to weeks or months.
  • Step 7 — ISO presents offer to the business owner. Once an approval is in hand, the ISO communicates the offer terms to the business: funded amount, cost of capital (factor rate or APR depending on product), repayment schedule, and any fees. The ISO's role here is advisory — helping the client understand the offer and decide whether to accept.
  • Step 8 — Deal closes and funds. After the business owner accepts, the funder prepares closing documents, the business signs, and the funder wires funds to the business's bank account. For MCA products, this step can occur within 24–48 hours of approval. For equipment loans, it follows verification of the equipment and delivery of a signed invoice or purchase order.
  • Step 9 — ISO receives commission. After funding, the funder calculates and pays the ISO's commission according to the terms in their ISO agreement. Payment timing varies by funder — some pay at funding, others within 30 days of the funded transaction. The commission is the ISO's revenue for originating and placing the deal.

ISO vs. direct lender

Understanding the difference between an ISO and a direct lender is essential for referral partners evaluating who to work with.

Dimension ISO (Independent Sales Organization) Direct Lender / Funder
Capital source Does not fund from own capital Funds deals from own balance sheet or credit facilities
Credit decisions No underwriting authority — submits to funders Makes final credit and approval decisions
Product access Can access multiple funders with different products and credit boxes Limited to own products and credit policies
Revenue model Earns commission/split on funded transactions Earns yield on deployed capital (interest, factor rate, fees)
Risk exposure Clawback risk on early defaults, but no credit risk on the funded balance Bears full credit risk on funded portfolio
Client relationships Owns the client relationship; funder is often back-office Direct relationship with the borrower

For referral partners, the practical implication is significant: when you refer a deal to an ISO or ISO network, your deal gets access to multiple funders and multiple credit boxes in a single submission. You are not limited to a single lender's approval criteria. This is one of the primary advantages of working through an established ISO network rather than approaching a single direct lender for every deal you refer.

The flip side is that ISOs are dependent on their funder relationships. An ISO with shallow funder relationships — or relationships concentrated with a single aggressive MCA funder — may not be the right partner for diverse deal types. When evaluating an ISO network to partner with, ask about their funder panel, the range of products they can place, and the deal sizes they handle across different product categories.

ISO commission structures

ISO commissions in commercial finance are almost always calculated as a percentage of the funded amount — commonly called "points." One point equals one percent of the funded amount. An ISO that earns 3 points on a $100,000 deal collects $3,000 in commission from the funder when the deal closes.

Commission levels vary considerably by product type, funder, deal size, and ISO volume. High-volume ISOs with strong relationships at specific funders often negotiate better commission rates than lower-volume originators. Some funders offer tiered commission structures where the rate increases as monthly funded volume crosses certain thresholds.

Below are the typical commission ranges by product that ISOs encounter in commercial finance. These are general ranges based on market norms — individual funder agreements will vary.

Product Typical ISO Commission Notes
Merchant Cash Advance (MCA) 2%–5% of funded amount Higher commissions possible on shorter-term, smaller deals. Clawback windows typically 30–60 days.
Short-term working capital loans 2%–4% of funded amount Similar structure to MCA. Some funders pay origination fee plus small residual.
Business lines of credit 1%–3% of approved credit limit Some programs pay on drawn amount rather than approved line. Residuals possible on renewal.
Equipment financing 1%–3% of financed amount Vendor programs and captive finance companies may structure differently. Dealer reserve is a common term in equipment lending.
SBA loans (7a, 504) Referral fees regulated — typically 0.5%–1% SBA regulations govern what referral partners and brokers can charge. SBA 7a packaging fees have additional rules.
Accounts receivable / invoice factoring 1%–2% of facility size or broker fee Factoring companies vary significantly in how they compensate origination partners. Some pay monthly residuals as long as the client remains active.

One important distinction: commission rates in ISO agreements are typically expressed as a percentage of the funded amount, not the face value of the paper or the advance amount before fees. On MCA products, where the funder earns a factor rate (e.g., 1.30 on $100,000 = $130,000 total repayment), the ISO commission is calculated on the $100,000 funded amount, not the $130,000 total repayment obligation.

ISO agreements also sometimes include residual commissions — ongoing payments tied to revolving credit facilities, factoring arrangements, or renewals. Residuals are less common in MCA and short-term working capital but are a meaningful part of the economics for ISOs focused on lines of credit, factoring, and SBA products.

Types of deals ISOs place

ISOs in commercial finance are not limited to a single product. The most active ISOs maintain funder relationships across several product categories, which allows them to match each deal to the appropriate financing structure rather than forcing every client into the same product. Here is a breakdown of the main deal types ISOs originate and place, with typical deal sizes and context for each.

Merchant Cash Advance (MCA)

MCA is a purchase of future receivables — the funder advances capital in exchange for a percentage of the business's daily or weekly revenue until the purchased amount is collected. Typical deal sizes range from $5,000 to $500,000, with the bulk of ISO volume concentrated in the $10,000–$150,000 range. MCA is the most common product for ISOs focused on lower credit or early-stage businesses because approval is based primarily on revenue rather than credit score. Commission: typically 2%–5% of the funded amount.

Short-term and medium-term working capital loans

Term loans with repayment periods from 3 months to 36 months, structured as daily or weekly ACH debits. These are underwritten on revenue, time in business, and credit, and are suitable for businesses with consistent revenue who need capital for growth, inventory, or bridge purposes. Deal sizes typically range from $25,000 to $500,000. Commission: 2%–4% of funded amount. These deals tend to have better credit profiles than MCA, and some funders offer improved commission tiers for higher-quality submissions.

Equipment financing

Equipment loans and leases to fund the purchase of machinery, vehicles, technology, restaurant equipment, construction equipment, and other hard assets. Deal sizes range from $10,000 to $5 million or more depending on the asset and the business profile. ISOs who work frequently with equipment vendors, dealers, or contractors often develop specialized expertise in equipment underwriting. Commission: typically 1%–3% of the financed amount, sometimes structured as dealer reserve rather than a direct commission payment.

Business lines of credit

Revolving credit facilities that businesses draw from and repay as needed. Fintech lenders have expanded access to lines of credit for businesses that do not qualify for traditional bank revolvers. Deal sizes range from $10,000 to $250,000 for alternative lenders, and up to several million for bank-affiliated programs. ISOs earn commission on the approved credit limit or drawn amount depending on the program structure. Residual commissions on renewals are available through some programs.

Accounts receivable financing and invoice factoring

AR financing advances capital against outstanding invoices or receivables from creditworthy commercial customers. Factoring companies purchase invoices outright at a discount; AR lenders advance a percentage (typically 80%–90%) against eligible receivables as a revolving facility. Ideal for B2B businesses with strong receivable quality but cash flow timing gaps. Facility sizes range from $50,000 to several million. ISOs who place AR financing often earn monthly residuals as long as the client remains active, making these deals valuable over the long term.

SBA loan referrals

SBA 7(a) loans and 504 loans are the gold standard for small business financing — lower rates, longer terms, and higher approval amounts. ISOs who identify SBA-eligible deals and refer them to approved SBA lenders can earn referral fees regulated under SBA guidelines (typically 0.5%–1%). SBA deals take longer to close than alternative products — 30 to 90 days — and require more documentation. But the deal sizes can be substantial, ranging from $150,000 to $5 million, which makes even a smaller percentage meaningful. Many ISO-connected networks maintain SBA lender relationships specifically for deals that qualify but are outside the MCA or short-term product box.

What makes a strong ISO in commercial finance

Not all ISOs are created equal. The commercial finance ISO channel is highly fragmented — ranging from solo operators placing a handful of deals per month to large ISO shops with dozens of sales reps submitting hundreds of applications per week. For referral partners evaluating who to work with, and for anyone assessing an ISO program, understanding what separates strong ISOs from weak ones is critical.

  • Submission quality. Strong ISOs submit complete, accurate packages. This means all required documents are included on first submission, no fabricated or altered bank statements, accurate representation of the business's financials. Funders track ISO quality scores. ISOs who consistently submit clean packages get faster turnarounds, better communication from underwriters, and often higher approval rates than those who submit incomplete or questionable files.
  • Funder relationship depth. Strong ISOs have real relationships with multiple funders across different product categories. This means they know each funder's current appetite, credit box changes, and which programs are right for which deal profiles. A shallow relationship — where the ISO only knows funders from their public rate sheets — leads to mismatched submissions and unnecessary declines.
  • Product breadth. ISOs who can originate across multiple products (MCA, equipment, AR, SBA) are more valuable to referral partners because they can serve a wider range of client needs. An ISO who only does MCA will turn away or ignore deals that would fund well under an equipment program or AR facility.
  • Transparency with clients. Strong ISOs give business owners accurate information about what they qualify for, what the cost of capital actually is, and what the repayment structure means for their cash flow. This matters to referral partners because a CPA or consultant who refers a client expects that client to be treated well. An ISO who oversells, obscures fees, or pressures clients into unsuitable products will damage the referral partner's relationship with their client.
  • Volume and consistency. Funders reserve their best programs and highest commission tiers for ISOs who deliver consistent volume. ISOs who fund steadily — even at moderate volume — tend to have better access to funder programs than high-volume shops that go hot and cold.
  • Compliance awareness. The commercial finance ISO space is subject to growing regulatory scrutiny, particularly around disclosure of cost of capital and commercial finance broker registration requirements in states like California and New York. Strong ISOs stay current on disclosure requirements and state-level licensing rules relevant to their products and markets.

ISO agreement terms

The ISO agreement is the governing document between a funder and an ISO. Whether you are an active ISO reviewing a new funder agreement or a referral partner trying to understand the structure of the network you are plugging into, knowing what these agreements typically contain is important. Below are the key elements you will find in most commercial finance ISO agreements.

Commission rate and structure

The agreement specifies the ISO's commission as a percentage of the funded amount (or a flat fee per funded deal for some programs). Some agreements include tiered commission schedules that increase as monthly funded volume crosses defined thresholds. This is the most fundamental term in the agreement — confirm it in writing before making any submissions.

Clawback provisions

Clawbacks allow the funder to recover all or a portion of the ISO's commission if a funded deal defaults within a specified window — typically 30 to 90 days for MCA and short-term products, shorter for some term loan programs. Clawback terms vary significantly by funder. Some funders apply partial clawbacks on a sliding scale based on how much of the deal was repaid before default; others apply full clawbacks within the window. Understanding clawback terms before submitting aggressively is important for ISO cash flow planning.

Exclusivity or non-exclusivity

Most ISO agreements in commercial finance are non-exclusive — the ISO can submit to other funders, and the funder can work with other ISOs for the same geographic or product area. Some programs, particularly branded vendor or captive finance programs, require exclusivity for specific industries or deal types. Non-exclusive agreements are the norm in the MCA and working capital space.

Residual splits

For products like revolving lines of credit, invoice factoring, and some SBA programs, ISO agreements may include residual commissions — ongoing payments tied to the client's continued use of the facility. Residuals are typically expressed as a small monthly percentage of the outstanding balance or drawn amount. Not all funder agreements include residuals, but they can represent meaningful income for ISOs with large books of active revolving clients.

Declined deal protocols

ISO agreements sometimes specify what happens with declined deals. In some programs, the funder retains the right to keep and re-market declined files for a period. In others, declined files are returned to the ISO with no restriction on resubmission elsewhere. This matters because declined deals are often the ones with the most value for referral-based networks — a deal declined by one funder may fund well with a different program or product structure.

Prospect protection periods

Many ISO agreements include prospect protection provisions — if an ISO introduces a business to a funder and the funder later closes a deal with that business directly (bypassing the ISO), the agreement may entitle the ISO to a commission. Protection periods in commercial finance typically run 6 to 24 months from first introduction. Longer protection periods (36–60 months) are more common in referral agreements than in direct ISO-funder agreements.

Referral partner vs. full ISO: which structure fits your situation

The most important question many brokers, CPAs, equipment vendors, and consultants face is not whether ISO lending is a good business — it clearly is for those who commit to it — but whether the full ISO model is the right structure for their situation. The answer depends on deal volume, primary business focus, compliance appetite, and how central financing origination is to what you do.

A full ISO in commercial finance is primarily in the business of originating and placing deals. They invest in marketing, sales, compliance infrastructure, and funder relationship management. They sign multiple funder agreements, manage commission tracking, navigate clawbacks, and handle the full lifecycle of every deal they submit. This is not a side activity — it is the business.

A referral partner, by contrast, encounters financing needs as a byproduct of their primary work. A CPA whose client mentions they were declined for a bank loan. An equipment vendor whose customer needs financing to close the equipment purchase. A financial consultant whose client is looking for working capital to bridge a seasonal slow period. These are warm referrals — real opportunities, but not the referral partner's primary business activity.

Factor Full ISO Referral Partner
Deal volume Primary business — multiple deals per month Occasional — a few deals per quarter from existing relationships
Compliance burden Requires attention to state licensing, disclosure rules, and funder agreement terms Lighter — referral agreement covers the relationship; funder handles disclosures
Infrastructure needed CRM, document collection workflow, funder submission portals, clawback reserves Minimal — referral form, signed referral agreement, communication with the network
Compensation Full ISO commission (2%–5% of funded amount, depending on product) Referral fee — typically a percentage of what the ISO network earns on the funded deal
Client relationship ISO manages the deal and owns the client relationship through funding Referral partner maintains client relationship; deal management handled by ISO network
Best for Full-time commercial finance originators, existing broker/MCA shops, high-volume deal sources CPAs, equipment vendors, consultants, financial advisors, and others who refer occasionally

If your primary business is accounting, equipment sales, business consulting, or financial advisory, becoming a full ISO creates overhead that may not be justified by the volume of financing referrals you generate. A referral partner structure — with a signed referral agreement and a clear process for passing deals — lets you earn meaningful income on those referrals without building a separate business to support them.

Axiant Partners works with referral partners at exactly this intersection. If you encounter a client who needs financing — whether their deal was declined by a bank, they need equipment financing to close a purchase, or they need working capital to bridge a gap — you can send that deal through our referral process, earn a referral fee when it funds, and stay focused on your primary work. See the referral agreement for the exact terms, or use the referral form to send a deal now.

FAQ

Questions about ISO lending

What is ISO lending in commercial finance?

ISO lending is the model where Independent Sales Organizations originate commercial finance deals — working capital loans, MCA, equipment financing, and similar products — and place them with funders or lenders. ISOs do not fund deals from their own capital. They earn a commission or split from the funder when a deal closes and funds. The model allows ISOs to offer multiple products from multiple funders without deploying their own capital.

How does an ISO earn money in commercial finance?

ISOs earn a commission based on the funded amount — typically expressed in "points" where one point equals one percent. For MCA and short-term working capital products, ISO commissions typically run 2–5 points. For equipment financing and SBA products, the range is usually 1–3 points, though SBA referral fees are separately regulated. High-volume ISOs with strong funder relationships often negotiate tiered commission schedules that improve as monthly funded volume increases.

What is the difference between an ISO and a direct lender?

A direct lender funds deals from its own capital and makes its own credit decisions. An ISO originates and brokers deals — it does not put up its own capital. The ISO submits applications to funders and earns a commission when a funder approves and funds the deal. ISOs typically have relationships with multiple funders, giving them flexibility to place deals across different credit boxes and product types that a single direct lender cannot match.

What products do ISOs place most often?

ISOs in commercial finance most commonly place merchant cash advances (MCAs), short-term and medium-term working capital loans, business lines of credit, equipment financing, accounts receivable financing, and SBA loan referrals. The product mix depends on the ISO's client base and funder relationships. ISOs who specialize in a particular industry or credit profile often concentrate on two or three products rather than covering every category.

What is the difference between an ISO and a referral partner?

An ISO is an active deal originator — marketing directly to businesses, collecting applications, and submitting packages to funders as their primary business activity. A referral partner sends warm leads from an existing professional relationship — a CPA whose client was declined, a vendor whose customer needs equipment financing — without managing the full deal submission process. Referral partners earn a referral fee rather than a full ISO split and work under a simpler referral agreement rather than a full funder ISO agreement.

Do ISOs need to be licensed to originate commercial finance deals?

Licensing requirements for commercial finance ISOs vary by state and product type. MCA and revenue-based products have fewer licensing requirements in most states than consumer lending, but this landscape is evolving. California, New York, Virginia, Florida, and other states have implemented or proposed commercial finance disclosure and registration requirements. ISOs should consult legal counsel familiar with their state's requirements and the specific products they originate before proceeding.

How do ISO agreement clawback provisions work?

Clawback provisions allow a funder to recover all or part of the ISO's commission if a funded deal defaults within a specified window — typically 30 to 90 days for MCA and short-term products. Some funders apply partial clawbacks on a sliding scale based on how much of the deal was repaid; others apply a full clawback within the window. ISOs manage clawback risk by submitting quality deals with accurate documentation and avoiding pressure to place businesses that cannot reasonably service the debt.

Ready to refer a deal?

Work with Axiant Partners

If you are a CPA, equipment vendor, financial consultant, broker, or ISO who encounters clients needing commercial financing, Axiant Partners offers a straightforward referral program. Review the referral agreement, sign it, and send your first deal. We handle the submission and placement — you earn a referral fee when the deal funds.