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Spotlight

Series A Bar in 2026: The Unit Economics VCs Actually Want to See

Avigail Feldman
February 16, 2026
5 min read

If you’re raising a Series A in 2026, the pitch deck matters less than the spreadsheet behind it.

Contents

    Over the past two years, venture capital has shifted from funding vision and narrative to funding durability. Investors are still backing strong markets and ambitious founders, but the bar has moved. Today’s Series A isn’t about promises. It’s about proof.

    Across recent investor outlooks and SaaS benchmark reports, the message is consistent: efficient growth wins. And inefficient growth gets filtered out early. 

    Here’s what that actually means.

    The Rule of 40 Is No Longer Optional

    The Rule of 40 has become the dividing line between fundable companies and cash burners.

    The formula is simple: your revenue growth rate plus your profit margin should equal at least 40%. If you’re growing at 60% but losing 40%, you’re at 20. And that’s a problem. If you’re growing at 35% with 10% margins, you’re at 45, that’s disciplined.

    In 2021, investors tolerated high burn if growth was explosive. In 2026, they want balance. Growth without a path to profitability signals risk. Profitability without growth signals stagnation.

    The companies getting funded show that they can scale without collapsing under their own cost structure. 

    LTV:CAC Is Now 4:1 — Not 3:1

    A few years ago, a 3:1 lifetime value to customer acquisition cost ratio was considered healthy. That’s no longer enough.

    Current SaaS benchmarks show that 4:1 is the emerging standard for strong Series A candidates. That means for every dollar you spend acquiring a customer, you’re generating four dollars in lifetime value.

    This isn’t about squeezing marketing budgets. It’s about proving your customer economics are durable. If you need to overspend to acquire revenue, investors assume your margins will compress as you scale.

    Strong companies in 2026 show disciplined acquisition channels, clear payback periods, and predictable unit economics. 

    Net Revenue Retention Above 120% Is the Real Signal

    Retention has become one of the most powerful metrics in venture.

    Companies with net revenue retention (NRR) above 100% grow meaningfully faster than those below it. The strongest Series A candidates are pushing 120% or higher.

    Why? Because high NRR means expansion and revenue is driving growth. It shows product-market fit is deep, not shallow. It signals customers are sticking, spending more, and embedding your product into workflows.

    Revenue that compounds inside your base is far more valuable than revenue that constantly needs to be replaced. 

    If churn is eating your growth, no amount of top-of-funnel spend fixes that story.

    Burn Multiple: The Silent Killer

    In 2026, investors are laser-focused on burn multiple - how much net burn you incur to generate each dollar of new ARR.

    If you’re spending $3 to generate $1 in ARR, you’re in trouble. That kind of capital inefficiency doesn’t survive long in today’s funding environment.

    Efficient growth means your spend scales intelligently with revenue. Investors don’t expect zero burn. They expect intentional burn.

    There’s a difference.

    Distribution Advantage > Traction Theater

    TechCrunch reporting on investor outlooks has highlighted something subtle, but important: VCs now care more about distribution advantage than vanity traction.

    A few enterprise logos and a strong demo no longer guarantee a round. Investors are asking:

    • Do you own a channel?
    • Is there a structural reason you can acquire customers better than competitors?
    • Are you embedded in a workflow or ecosystem?

    Founders stuck in “pilot purgatory”, endless trials without scaled deployments, are struggling. Pilots don’t equal distribution. They equal testing.

    Series A companies in 2026 show repeatable, scalable go-to-market motion.

    What Efficient Growth Means in 2026

    Efficient growth is not about cutting costs blindly. It’s about intentional capital allocation.

    It means:

    • You know your payback period.
    • You understand contribution margins.
    • You can articulate how marketing spend translates into durable ARR.
    • You can grow without your burn accelerating faster than revenue.

    The companies getting funded are battle-tested. They’ve survived tighter markets. They’ve cleaned up their books. They know their numbers are cold.

    Series A is no longer a bet on what you might become. It’s an investment in what you’ve already proven.

    Final Thoughts

    In 2021, you could raise your vision.

    In 2026, you raise on math.

    If you’re planning a Series A this year, your narrative should be built on unit economics that withstand scrutiny. Because investors aren’t asking whether your idea is exciting.

    They’re asking whether it’s durable.

    Frequently
    asked
    questions

    What is the July 6, 2026 deadline exactly?

    July 6, 2026 is the final date to file amended returns and claim retroactive federal R&D tax credits for tax years 2022, 2023, and 2024. If you miss this deadline, you permanently lose the ability to claim those credits for those years. For many startups, this represents hundreds of thousands of dollars in refundable cash.

    Can pre-revenue startups really get cash back?

    Yes. If your company has less than $5 million in gross receipts and fewer than five years of revenue history, you may apply the R&D credit against employer payroll taxes instead of income taxes. This is called the payroll tax offset. Under the updated rules, the cap has increased to $500,000 per year, meaning early-stage startups can generate real cash flow even if they are not profitable.

    What kinds of activities actually qualify?

    Generally, activities qualify if they involve technical uncertainty and a process of experimentation. This often includes core software development, algorithm design, AI/ML model training, system architecture work, and performance optimization. Routine maintenance, cosmetic updates, and basic support functions typically do not qualify. The key test is whether your team was trying to solve a technical problem where the solution was not obvious at the outset.

    How much money are we realistically talking about?

    It depends on your engineering payroll. As a rough estimate, startups often generate credits equal to 10–14% of qualified wages. For example, five engineers earning $150,000 each with most of their time spent on product development could generate $60,000–$84,000 per year in credits. Over three retroactive years, that could total $180,000–$250,000 or more.

    What documentation do we need?

    Documentation standards have tightened. When filing amended R&D claims, Section G reporting is now mandatory. This requires detailed descriptions of projects, identification of technical uncertainty, documentation of experimentation processes, and defensible wage allocations by employee and activity. The IRS expects specificity and consistency, so preparing documentation early is critical to protecting the credit.

    Frequently
    asked
    questions

    What is the Rule of 40 and why does it matter?

    The Rule of 40 adds your revenue growth rate to your profit margin. If the total is 40% or higher, you’re generally seen as balancing growth and efficiency. In 2026, this has become one of the clearest indicators separating fundable startups from unsustainable ones.

    Is a 3:1 LTV:CAC ratio still acceptable?

    It may not be strong enough for a competitive Series A. Benchmarks now suggest 4:1 is the healthier target. Investors want to see durable customer economics and efficient acquisition, not aggressive spending masked by short-term growth.

    How important is Net Revenue Retention (NRR)?

    Extremely important. Companies with NRR above 120% are significantly more attractive because they grow from expansion within their existing customer base. High retention signals strong product-market fit and long-term scalability.

    What is burn multiple and what’s considered healthy?

    Burn multiple measures how much net burn is required to generate each dollar of new ARR. A lower number indicates capital efficiency. Spending $3 to generate $1 in ARR raises red flags in 2026’s funding climate.

    What does “efficient growth” really mean to VCs?

    It means you can grow revenue while maintaining control over costs. Investors want to see predictable acquisition channels, healthy margins, strong retention, and a clear path to sustainable scale, not just rapid top-line growth.

    Frequently
    asked
    questions

    What tax changes are actually law for 2026?

    The main enacted changes are from the One Big Beautiful Bill Act, including restoration of immediate spending for R&D and other investment incentives. Other rules often discussed like broad tax cuts beyond existing law, may still be proposals.

    Do tariffs count as a tax change for my startup?

    Tariffs are taxes on imports, not business income taxes. They don’t change your federal corporate tax liability directly, but they can affect your costs and supply chain economics if you rely on imported components.

    Will startups pay less tax now under the new administration?

    It depends on your situation. Provisions like full expensing of certain expenditures can reduce taxable income, but broad tax rate changes for all companies haven’t been enacted beyond OBBBA’s provisions.

    Is everyone’s tax burden lower now?

    Not necessarily. Some changes benefit specific deductions and business expenses. Individual taxpayers may see changes like expanded deductions, but overall tax burden depends on your company’s and your personal tax profile.

    Should I plan for more tax changes later in 2026?

    Yes, tax policy is still evolving, and regulatory guidance for OBBBA provisions is rolling out throughout the year. Monitoring IRS updates and working with a tax professional is essential for staying ahead

    Frequently
    asked
    questions

    Is it better to hire a freelance bookkeeper or a bookkeeping firm?

    It depends on your business size, complexity, and growth plans. Freelancers can be affordable for simple bookkeeping needs, while firms offer more structure, support, and scalability.

    How much does a freelance bookkeeper cost?

    Freelancers may charge between $25–$75 per hour or offer flat monthly rates depending on workload. Always clarify what’s included, such as reconciliations, monthly closes, and tax coordination.

    Can I switch from a freelance bookkeeper to a firm later?

    Yes. Many startups begin with freelancers and transition to a firm as financial complexity and investor expectations increase. The key is switching before bookkeeping becomes a bottleneck.

    What should I look for when choosing a bookkeeper?

    Look for industry experience, consistency in delivery, familiarity with tools like QuickBooks or Xero, and the ability to support your business as it grows, not just record transactions.

    Frequently
    asked
    questions

    What is a cash flow forecast for a startup business, and why is it important?

    A cash flow forecast is a projection of your future cash inflows and outflows, helping you predict your cash position over time. It’s critical for decision-making, managing runway, and preventing cash shortages.

    How often should a startup update its cash flow forecast?

    Early-stage startups should review forecasts at least monthly, and more frequently if they’re pre-revenue, fundraising, or growing quickly.

    What’s the difference between profit and cash flow in a startup?

    Profit reflects your income after expenses on paper. Cash flow shows what’s actually in your bank account. You can be profitable but still run out of cash if your revenue is delayed or expenses spike.

    Frequently
    asked
    questions

    Who is required to file Form 1099-NEC?

    Any U.S. business that paid $600 or more to a nonemployee (individual, sole proprietor, partnership, or LLC) for services during the tax year.

    What types of payments require filing Form 1099-NEC?

    Service-based payments like freelance work, consulting, commissions, or attorney fees. Not for product purchases or employee wages.

    What are the penalties for late filing?

    Penalties range from $60 to $310 per form depending on how late you file. Ignoring the form entirely can cost even more—up to $630 per form.

    Frequently
    asked
    questions

    Why is bookkeeping for marketing agencies different from other businesses?

    Because agencies manage a blend of project and retainer income, subcontractors, and tight cash flows, they need more nuanced revenue tracking and expense categorization than product-based businesses.

    What should agencies prioritize when managing their bookkeeping?

    Accurate revenue recognition, clean contractor tracking, expense categorization, and a chart of accounts tailored to how your agency earns and spends money.

    How can agencies keep their bookkeeping organized throughout the year?

    By reviewing reports monthly, staying on top of invoicing and payables, and working with a bookkeeper who understands the specific needs of agencies.

    Frequently
    asked
    questions

    What’s the difference between a debit and a credit in business accounting?

    In accounting, a debit is an entry that increases assets or expenses, while a credit increases liabilities, equity, or revenue. Every transaction affects at least two accounts — one with a debit and one with a credit — to keep your books balanced.

    Do debits always mean money coming in and credits mean money going out?

    Not exactly. It depends on the type of account. For example, debiting an expense means you're spending money, but debiting an asset like cash means you're receiving money. That’s why understanding account types is essential.

    Why do I need to understand debits and credits if I have a bookkeeper?

    Even if someone else handles your books, knowing the basics helps you read financial reports, ask better questions, and make smarter business decisions. It also makes you a stronger communicator with your finance team or investors.

    What’s a T-account, and how does it help?

    A T-account is a simple visual tool used in accounting to show how a transaction affects two accounts. Debits go on the left, credits on the right. It’s a great way to visualize the flow of money and keep things balanced.

    How can I tell if my financial reports are accurate?

    Look for common red flags: negative balances, uncategorized transactions, or mismatched totals. If you’re unsure, it’s worth having a professional review your books to make sure everything aligns before big decisions or tax time.

    Frequently
    asked
    questions

    Why does Josh describe accountants as “storytellers”?

    Josh believes the value of accounting lies in interpretation, not calculation. Tools such as Exce; already do the math—what founders need is someone to explain what the numbers mean and how they impact strategic decisions. That’s why Function focuses on turning data into stories that help drive business forward.

    How is Function designed to scale without losing personal service?

    Josh built Function with intention: hire thoughtfully, delegate wisely, and embed values into every part of the team. Delegation wasn’t easy, but it allowed Function to grow without becoming impersonal. The goal is to deliver high-touch service at scale—and keep founders from burning out trying to do everything themselves.

    What problem is Function solving for startup founders?

    Function addresses a common frustration: most founders are left to interpret their own financial data. Instead of delivering static reports, Function turns numbers into clear, actionable insights that guide decision-making—pushing information to founders rather than making them dig for it.

    How do I get started with Function?

    Getting started with Function is simple. Founders can visit onefunction.com to book an intro call, learn more about the services offered, and see if the team is the right fit. The onboarding process is built to be smooth and tailored—starting with a conversation about your current financial setup, goals, and the support you need to grow confidently.

    What does Function mean by being “the adult in the room”?

    In today’s tougher funding environment, investors expect startups to be more financially disciplined. Function steps in with experienced, unbiased financial guidance to help founders stay focused, meet their targets, and present investor-ready financials.

    Frequently
    asked
    questions

    I’m not making money yet—do I really need bookkeeping?

    Yes. Even if you’re pre-revenue, you’re likely spending money—whether on software, legal fees, marketing, or contractors. Bookkeeping helps you track those costs, stay organized for taxes, and prepare for investor conversations before they happen.

    Can’t I just wait and figure it out later?

    Waiting often creates more problems than it solves. Messy or missing records can lead to costly cleanup, missed tax deductions, or even lost funding opportunities. Getting your books in order early means less stress and smarter decisions from day one.

    What kind of bookkeeping support does a startup actually need?

    It depends on your stage and growth plans. In the beginning, you may just need basic transaction tracking. As you scale, you’ll need deeper insights, reporting, and forecasting. Function grows with you—from clean books to CFO-level strategy.

    How does Function make bookkeeping easier for founders?

    We handle the financial heavy lifting, so you don’t have to. From tracking expenses to CFO strategy insights, Function gives you clean, up-to-date books and actionable information—so you can focus on building, not balancing spreadsheets.

    Frequently
    asked
    questions

    What does a fractional CFO for business startups actually do during fundraising?

    A fractional CFO helps build your financial model, prepare forecasts, clean up your reports, align your pitch with your numbers, and get all the due diligence materials ready. They also help you answer tough investor questions with confidence.

    When should a startup hire a fractional CFO before fundraising?

    Ideally, at least 2–3 months before you plan to start pitching. This gives enough time to get your books in order, build your model, and craft a deck that reflects your financial story.

    How does a fractional CFO improve a startup’s chances with investors?

    Investors fund confidence. A fractional CFO ensures your financials are credible, consistent, and well-prepared, reducing red flags and speeding up diligence. This can significantly improve your chances of getting a “yes.”

    Frequently
    asked
    questions

    Who needs to follow Form 5472 instructions and file the form?

    Any U.S. corporation with at least 25% foreign ownership, and any foreign-owned single-member LLC with U.S. operations, is likely required to file Form 5472, especially if they engage in reportable transactions with foreign entities.

    What kind of transactions require disclosure on Form 5472?

    Common reportable transactions include loans, payments for services, capital contributions, reimbursements, and management fees between a U.S. company and a foreign-related party.

    What happens if I don’t file Form 5472 correctly or on time?

    You could face a minimum of $25,000 penalty per year. If you fail to respond to IRS follow-ups, the penalties may increase. Non-filing can also create issues during fundraising, audits, or acquisitions.

    Frequently
    asked
    questions

    What is QuickBooks, and how does it work for U.S. businesses?

    QuickBooks is accounting software that works through your web browser or mobile app. Small and mid-sized businesses use it to manage their daily finances - from creating invoices and tracking expenses to handling payroll and tax preparation. The software connects with U.S. banks, includes standard tax forms, and integrates with over 650 business applications.

    How much does QuickBooks cost?

    QuickBooks has four main plans:
    Simple Start: $38 monthly
    Essentials: $74 monthly
    Plus: $115 monthly
    Advanced: $275 monthly

    QuickBooks often runs promotions with significant discounts. Additional services like payroll require separate subscriptions. See QuickBooks Online Pricing & Free Trial

    What features does QuickBooks offer?

    The software provides essential accounting and business management tools. Standard features include:

    • Invoicing and payments
    • Expense and bill tracking
    • Inventory management
    • Financial reports
    • Connections with over 650 business apps
    • Multicurrency
    • Payroll (additional subscription)
    • Time tracking (additional subscription)
    How do I move from QuickBooks Desktop to QuickBooks Online?

    Intuit provides a tool to help Desktop users switch to QuickBooks Online. The tool transfers your customers, vendors, account balances, and transactions. Check Intuit's migration guide first, as some advanced features may not transfer over to the online version. See: Migration Tool

    Does QuickBooks work with other business software?

    QuickBooks connects with more than 650 business applications. This includes popular tools for customer management, online stores, project tracking, and tax preparation like TurboTax. These integrations streamline your workflow by connecting your business tools in one system. See: QuickBooks Integrations

    What payment types does QuickBooks support?

    QuickBooks Payments lets you accept credit cards, debit cards, ACH transfers, and Apple Pay. All payments automatically record in your QuickBooks account, eliminating manual entry. Transaction fees apply. See: QuickBooks Payments

    Can I run payroll with QuickBooks?

    Yes, QuickBooks offers payroll as an add-on service with different plans for U.S. businesses. The service handles direct deposits, tax calculations, and IRS filings. All payroll data integrates directly with your QuickBooks accounting. Choose from Core, Premium, or Elite plans based on your needs. See: QuickBooks Payroll Services

    Can it handle international currencies?

    Yes - the Essentials, Plus, and Advanced plans let you work in multiple currencies. QuickBooks handles the exchange rates and tracks any gains or losses from currency changes. See: Multicurrency in QuickBooks

    What reports does QuickBooks generate?

    QuickBooks generates standard financial reports, including:

    • Profit & Loss Statement
    • Balance Sheet
    • Cash Flow Statement
    • Sales by Product/Service
    • Expenses by Vendor
    • Customer Aging Reports

    The Advanced plan includes more customization options for reporting. See: QuickBooks Reporting

    Is my data secure?

    QuickBooks uses bank-grade encryption and automatically backs up your data. Intuit stores everything on secure servers and runs regular security audits. You can also enable two-factor authentication for additional protection. See: QuickBooks Security

    Does it work for freelancers and self-employed individuals?

    QuickBooks offers a separate version called QuickBooks Self-Employed. This version focuses on what freelancers and contractors need most - tracking income and expenses, sending invoices, and preparing for taxes. It connects with TurboTax for easier tax filing. See: QuickBooks for Self-Employed

    Can multiple users access QuickBooks?

    Yes, each plan allows a different number of users:

    • Simple Start: 1 user
    • Essentials: 3 users
    • Plus: 5 users
    • Advanced: 5 users

    You can control what each person can access in the system.

    Can I connect my bank accounts?

    QuickBooks connects directly to your bank accounts and credit cards to import transactions automatically. This keeps your records current and reduces manual data entry. See: Importing Bank Transactions

    Does it support specific industries?

    While QuickBooks works for most general business needs, it doesn't have industry-specific versions. Some businesses, like construction or manufacturing, might need additional apps or integrations for specialized features.

    What if I need help?

    QuickBooks provides support through live chat, phone support, and online tutorials. Advanced plan users get a dedicated account manager. For specialized help, you can work with a certified QuickBooks ProAdvisor. See: QuickBooks Support

    Is there a mobile app?

    Yes, QuickBooks has an app for iOS and Android devices. You can create invoices, track expenses, and log miles from your phone. See: Mobile app

    Does it help with tax preparation?

    QuickBooks helps organize your tax information through expense categorization and tax reports. Its integration with TurboTax makes filing easier for both businesses and self-employed users. See: TurboTax Integration

    Frequently
    asked
    questions

    What do bookkeeping tax services include?

    Tax-focused bookkeeping services include recording all business income and expenses, reconciling bank and credit card accounts, organizing the general ledger, and preparing tax-ready financial reports like the P&L and balance sheet. Some also help with 1099s and coordinate with your CPA.

    How do I know if my books are tax-ready?

    Your books are tax-ready if:

    1. All transactions are categorized correctly
    2. Your accounts are reconciled through year-end
    3. You have no duplicates, missing info, or personal expenses mixed in
    4. Your P&L, balance sheet, and general ledger are clean and complete
    When should I hire a professional for bookkeeping tax services?

    If you're behind on your books, unsure how to prepare reports, or experiencing growth and complexity in your finances, it’s time to hire a professional. Don’t try to clean up months of data right before tax time.

    Start smarter—and make your finances function as one

    Discover how Function streamlines your finances and scales with you at every stage.

    Start with Function