Series B rounds indicate a change for startups from trying to find a product-market fit to growing a proven business with repeatable growth and better unit economics. Even though equity is still the main way to get funding, these stages might cause heavy dilution of ownership for founders and early staff.
Therefore, venture debt is becoming an increasingly important source of financing for growth-stage companies. Volumes climbed to a record $68.8 billion in 2025, reflecting their growing use as startups look to improve capital efficiency alongside equity.
This guide breaks down how venture debt works at Series B, how lenders evaluate businesses, current market terms, and the tactical framework required for responsible deployment.
Why Series B Is Often a Strong Fit for Venture Debt
Venture debt is a type of loan that is tailored for venture-capital-backed companies, which often are not a fit for traditional bank lending because they may lack steady positive cash flow or hard collateral. In fact, lenders place significant weight on investor backing and the likelihood of future fundraising, while also considering the company’s growth profile and financial health.
By the time they reach Series B funding, companies usually have a better handle on their revenue forecasting, have installed stronger governance practices, and have more advanced financial reporting systems, all of which make them less risky from the perspective of lenders. As a result, they may qualify for larger debt facilities, potentially with more advantageous interest rates or facility fees.
Strategic Use Cases
Venture debt should not be viewed as a replacement for a missed or delayed equity financing round. Rather, it is a type of strategic, complementary capital that should come with a well-thought-out deployment plan. These are the best Series B use cases:
6-Month Runway Extension
The most common use of venture debt is to extend the cash runway between equity rounds. If a startup raises a $25 million Series B equity round providing an 18-month operational runway, adding $7 million in venture debt from a Series B lender can extend that runway to 24 months. The additional six months give product and sales teams more time to hit the growth targets required to support a stronger valuation at Series C without giving up more ownership to achieve it.
Funding Predictable, Repeatable Expenses
Paying for recurring and predictable expenses with expensive equity capital is one of the signs that your capital is not being used efficiently. If spending $100,000 to acquire a customer results in $300,000 in LTV, or if you have to fund predictable working capital cycles, such as bridging cash outflows against annual contracts billed in arrears, then venture debt is a structurally cheaper option for raising capital than diluting ownership, provided that the underlying expense has a clear, measurable return.
Capital Expenditures and Infrastructure
If you are a company in hardware, deep-tech, biotech, or software with high infrastructure needs, scaling operations to a large volume will involve physical equipment or high upfront computing costs. Venture debt, which is often arranged as equipment financing, can let you buy these assets without impacting the cash that you use for daily operations.
Who Qualifies for Series B Venture Debt?
Every Series B startup is not eligible to get venture debt. Lenders set certain eligibility requirements mainly related to revenue stability, VC backing, and capital efficiency. Common Qualification Criteria for Series B Venture Debt:
| Criteria | Minimum Threshold |
| Revenue | Series B typically needs $5M–$20M+ ARR (SaaS) |
| Equity Backing | Led by top-tier VC (Series B round closed; typically $30M-$60M+ raised) |
| Growth Rate | 50–75% annual YoY minimum (100%+ ideal but not required) |
| Cash Runway | 12–18+ months remaining (lenders prefer 18+ months; not a last resort) |
| Burn Efficiency | $1.5–$2.5 burned per $1 new ARR (>$3 raises red flags) |
| Financial Reporting | Monthly P&L, cash flow statement, ARR tracking |
How Lenders Evaluate Series B Companies
For founders to be successful in securing venture debt at this stage, they must have a clear understanding of how lenders perceive and assess risk. In contrast to equity investors, lenders mainly look for ways to recover their capital and protect themselves from losses. Consequently, the main focus of underwriting is generally on these three pillars:
Investor Pedigree
Who led your Series B round matters significantly. Lenders give a lot of importance to the credibility of your existing venture capital backers because a solid VC endorsement indicates that the company will receive ongoing financial and strategic assistance as it reaches new milestones or faces market challenges.
ARR-to-Debt Ratio
For SaaS and other recurring revenue companies, lenders determine loan amounts by taking into account both the equity round and ARR; then, typically cap the facility near the lower of the two, with adjustments for growth and efficiency.
- Based on the equity round, a loan is typically about 20–35% of the total raise.
- Based on ARR, it is usually 0.5×–1.0× ARR, with higher multiples reserved for very fast-growing and capital-efficient companies.
Net Burn Multiplier
Lenders closely examine capital efficiency. They carefully assess how much equity capital is burned to generate $1 of net new ARR. A company that invests $2 million to generate $1 million in new revenue is considered more efficient than a company that burns $5 million to achieve the same result, as higher burn increases repayment risk.
How a Series B Venture Debt Deal Is Structured
Venture debt packages are tailored but contain three major financial elements: the principal structure, the cost of capital, and an equity kicker.
The market has turned its attention toward variable-rate structures based on SOFR in the US, along with a spread over the base rate. Typically, a standard Series B term sheet may consist of the following:
| Component | Typical term |
| Loan Size | 20–35% of most recent equity round |
| Interest Rate | 10–14% annually (SOFR + 6–9% spread; above 20% for higher-risk) |
| Term Length | 24–48 months (sometimes 18–36 months for bank lenders) |
| Interest-Only Period | 6–12 months upfront |
| Amortization | Monthly principal + interest after interest-only period |
| Warrant Coverage | 5–15% of loan amount (~0.5–2% equity dilution; 15–20%+ for higher-risk) |
| Warrant Exercise Price | Most recent equity round price, typically 5-10 year term |
| Upfront Fee | 1–2% origination fee |
| End Fee | 1–3% back-end/exit fee |
Every lender has a different set of these benchmarks. Also, a company’s performance and market conditions affect these benchmarks. Hence, do not make a decision before reviewing at least a few options.
Tranches and Milestone Draws
Usually, lenders won’t give you the entire amount of venture debt in one go. They release the money gradually (in tranches). Tranche A is generally given at the closing, whereas other tranches are related to achievements like ARR expansion, burn management, or meeting other performance criteria.
Such a structure protects lenders from downside risks, but at the same time, it gives founders a bit of flexibility. Nevertheless, it is a prerequisite that the milestones that will trigger the release of funds are clear and attainable.
How Venture Debt Capital Flows
Venture debt has two phases: interest-only and amortization.
- During the interest-only period, borrowers will only pay the interest on the amount they have drawn, thus keeping their monthly cash outflow relatively low. Usually, this period serves the purpose of allocating funds to business growth and scaling operations before principal payments are initiated.
- At the end of this period, the loan enters amortization, with monthly payments covering both principal and interest. In a standard amortizing structure, these payments are typically constant over time. Founders should accurately model this change, as it could substantially increase cash outflows and lead to a period of repayment pressure.
When to Raise Venture Debt
The optimal time to raise venture debt is typically alongside or immediately after closing a Series B equity round.
A recent equity raise can enhance a company’s balance sheet and increase the confidence of lenders. This might lead to better terms being offered. Ideally, a company should start the process when it still has 12–18+ months of runway.
Waiting until the runway is less than six months can greatly diminish your bargaining power and may result in the lenders imposing harsher terms or being less willing to lend.
Hidden Pitfalls
Venture debt adds contractual and structural risks that are different from those in equity financing.
- Material Adverse Change (MAC) clause: Material Adverse Change clauses give lenders the opportunity to react if a borrower suffers from a major financial decline. Thus, these clauses must be thoroughly discussed, and agreement should be reached on clear and measurable triggers whenever possible.
- Liens and intellectual property pledges: Often, lenders look for a security package against company assets. Intellectual property is often the primary asset for tech startups, so founders have to negotiate the terms regarding source code, patents, trademarks, or licensing rights very thoroughly.
- Financial and operational covenants: Startups are required to maintain certain financial standards, such as minimum cash levels, under some venture debt agreements. Even if the business faces difficult circumstances, founders should make sure the company can still meet these requirements.
- prepayment penalties: Many venture debt contracts have clauses that either limit early repayment or charge a penalty for it, so founders can end up stuck if they decide to refinance or repay after a successful equity raise. This is a typical hidden expense that founders miss.
Founder Due Diligence Checklist
Before signing a term sheet, founders should work through these critical checks:
- Can the company reach its next major valuation milestone before loan repayments begin?
- Is monthly cash burn predictable enough, and is cash flow sufficient, to absorb future principal repayments and interest?
- Are lead institutional investors supportive of adding leverage to the balance sheet?
- Has the company made repayment plans for the worst-case scenarios, particularly the risk of a cash-flow cliff when principal payments start?
- Have legal and tax advisors fully reviewed the lien, warrant, and covenant terms?
- Does the company meet the lender’s minimum revenue threshold (if applicable)
- Is the debt amount within a reasonable range relative to the most recent equity round size (20–35%)?
- Have all existing debt obligations been disclosed and coordinated with new lenders?
- Are the prepayment terms understood, including any penalties for early repayment after a subsequent equity raise?
- Are milestone triggers for subsequent tranches realistic, measurable, and within the company’s control?
- Has the company modeled the full cap table impact of warrant dilution at different exit valuations?
FAQS on Venture Debt at Series B
Below are some frequently asked questions and answers about venture debt at Series B.
Do venture debt lenders require personal guarantees at Series B?
Typically no. Most Series B venture debt to VC-backed companies is extended to the corporation without a personal guarantee. Lenders count on the company’s assets (IP, cash) and venture capital backing. Personal guarantees are very rare but may be seen in some higher-risk cases with less than 6 months of runway or poor burn efficiency.
Can venture debt be used for acquisitions or M&A at Series B?
Generally, not. Most lenders do not permit the use of debt for acquisitions, except for small tuck-in deals with clear integration plans and strong ROI. Venture debt is primarily utilized for runway extension, hiring of talent, or production of R&D and generally, larger M&A deals require equity or specialized financing.
Can venture debt be converted to equity if I miss a Series C round?
No, venture debt isn’t convertible like a SAFE or convertible note. It needs to be paid back according to the predetermined schedule. In certain situations, lenders may agree to extend the interest-only period by 6-12 months at elevated rates if you are using the funds to bridge to Series C. Failure to make payments may constitute an event of default and, in extreme cases, result in enforcement actions against company assets.
Do Series B investors get diluted by venture debt warrants?
Not at issuance, but yes in the future. Warrants are generally issued to lenders rather than equity investors and are typically around 5–15% of the loan value. However, since their exercise at the next equity round price creates future dilution for all existing shareholders, including Series B investors, warrants should be factored into total dilution planning.
Turn Venture Debt into a Strategic Advantage
Venture debt is becoming more significant in startup financing. Therefore, it is crucial for founders to first understand what opportunities and obligations it brings. The right venture debt can be a good source of additional funds for growth while also helping founders keep more equity.
For businesses that are considering venture debt, Cheqly provides customized venture debt solutions for growth-stage companies preparing to scale and prepare for their next financing round.
Ready to turn venture debt into a strategic advantage? Check your eligibility and explore financing solutions that can help fuel your next phase of growth.