Middle Market Lending Companies: 2026 Guide
Middle market lending companies lend to mid-sized firms outside the banks. See lender types, loan types, deal steps, and how Thrive Funding matches borrowers.
Middle market lending companies are private lenders that provide loans to mid-sized businesses, usually outside the traditional bank system. They include private credit funds, direct lenders and business development companies. Thrive Funding is not one of these lenders. It is an arranger that takes one borrower application and routes it to lending groups whose criteria fit the deal.
What is middle market lending?
Middle market lending is private debt provided to companies that are too large for small-business loans but too small for the public bond market. According to Lord Abbett, smaller companies, generally those with less than $100 million in annual earnings, have historically sourced capital from banks. Private lenders now fill much of the space that banks left.
The private corporate lending market is large. Lord Abbett puts it at roughly $1.7 trillion in assets, and it describes the middle market as including over 200,000 businesses that may be prime candidates for private loans. Golub Capital gives a similar count of about 200,000 companies across the U.S. and says direct lending has more than $950 billion in assets across private drawdown funds and BDCs.
What size are middle market companies?
Middle market companies are typically mid-sized, mature businesses with real revenue and cash flow. Golub Capital describes a typical core middle market firm as fairly mature, on average 31 years old, with 50 to 500 employees and between $10 million and $100 million in annual EBITDA. Lenders use EBITDA, revenue and deal size to decide whether a company fits their mandate.
Some lenders focus on the lower end of this range and some on the upper end. Fit depends on the lender's own criteria, not only on the borrower's size.
What is a middle market loan?
A middle market loan is a private loan to a middle market company, typically senior, secured and sized to the company's cash flow. Thrive Funding arranges several loan types for these borrowers: senior debt, asset-based lending (ABL), mezzanine debt and acquisition financing. Each type carries different collateral, pricing and risk, so the right structure depends on the borrower's goals.
Types of middle market lending companies
Middle market lenders differ in how they are organized and how they invest. Some are large asset managers with dedicated direct lending platforms. Others are boutique firms that focus on a specific segment, such as the lower middle market. Public business development companies are another common structure.
The GrowthCap list of top private credit firms shows how wide the field is. It reports that private credit now exceeds $2 trillion in size, and it profiles firms of very different scale, such as Golub Capital with over $80 billion in capital under management as of July 1, 2025, and GoldenTree with over $62 billion in assets under management. Scale tells you about a firm's capacity, not whether it will lend to your company.
How does a middle market financing deal work?
A borrower applies, the application is matched against lenders' criteria, and only lenders that say yes see an anonymous deal summary. Thrive Funding works this way. The borrower applies at thrivefunding.com/apply, and Thrive matches the request against each lending group's deal size, revenue and EBITDA minimums, industries, states, loan types and pricing.
Matching lenders receive an anonymous summary and reply yes or no. Once the borrower agrees, up to three lenders that said yes receive introductions, best fit first. Each introduction is a separate email thread, so lenders do not see each other. Lenders issue term sheets on their own letterhead. Thrive then sends the borrower a side-by-side summary, and the borrower chooses one lender. Thrive's success fee is owed when the loan closes.
Thrive is paid by its lending partners, and every borrower email says so. Estimates Thrive shares are called indicative terms. They are not a term sheet and not an offer. Only the lender can make a credit decision.
How to compare middle market lending companies
Start with fit before size or brand. Check whether the lender covers your deal size, your industry, your state and the loan type you need. Ask each lender for its pricing, its timeline and what it needs to make a decision.
| Factor | What to check |
|---|---|
| Deal size | Lender's minimum and maximum for a single loan |
| Financial profile | Revenue and EBITDA thresholds |
| Industry and state | Sectors and regions the lender will fund |
| Loan type | Senior, ABL, mezzanine or acquisition |
| Who decides | Lender makes the credit decision; arrangers do not |
Deal requests under $1 million are declined automatically at Thrive, since the lending groups it works with generally do not fund that size. The site leads with $5 million and up, and the application accepts $1 million and up.
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Frequently asked questions
What is middle market lending?
Middle market lending is private lending to mid-sized companies that are too large for small-business loans and too small for public bond markets. Lenders include private credit funds, direct lenders and BDCs. Lord Abbett notes that these companies have historically relied on banks, and private lenders now serve many of them.
What is a middle market loan?
A middle market loan is a private loan to a mid-sized company, often senior and secured, and sized to the company's earnings. Common types include senior debt, ABL, mezzanine and acquisition financing. The right type depends on collateral, cash flow and the purpose of the loan.
What are examples of middle market companies?
Examples are mature businesses with real revenue and cash flow, such as manufacturers, distributors and service firms. Golub Capital describes a typical core middle market firm as about 31 years old, with 50 to 500 employees and $10 million to $100 million in EBITDA. Industry and location matter less than whether the company fits a lender's criteria.
What is middle market financing?
Middle market financing is the debt, often private, that a mid-sized company uses for growth, acquisitions, refinancing or working capital. Borrowers usually apply through an arranger or directly to a lender. Thrive Funding accepts requests from $1 million and up and routes them to matching lenders.
Chris Irving
Co-Founder @ Thrive
Arranges middle market financing with private credit funds, asset-based lenders and other lending partners.
