Startup valuation is the process of putting a dollar value on an early-stage company for purposes of fundraising, acquisition, employee stock option grants, or tax compliance. It's both rigorous science and qualitative art — rigorous because specific methodologies (revenue multiples, DCF, comparable company analysis) produce defensible numbers that investors will negotiate against, and art because the inputs to those methodologies involve significant judgment about growth trajectories, market opportunity, and competitive dynamics. The sections below explain the revenue-multiple framework that dominates SaaS valuation, the qualitative methods used when there's no revenue to multiply against, and the key factors that move valuations within any given method.

The Revenue Multiple Framework

For SaaS and subscription businesses with meaningful revenue, the dominant valuation approach is a multiple of ARR (Annual Recurring Revenue). The multiple is primarily driven by growth rate — the single biggest factor, often by a factor of 2 or 3 more impactful than any other input — followed by net revenue retention, gross margin, total addressable market size, and capital efficiency. A hypothetical SaaS company growing at 100% year-over-year with 120% NRR might command a 30× revenue multiple, while the same ARR growing at 30% with 95% NRR might get only 10× — a 3× difference driven entirely by growth-rate assumptions. The "Rule of 40" (growth rate percent plus profit margin percent must exceed 40) is a quick health check that investors apply to filter SaaS companies by combined growth-and-efficiency quality. A company growing at 80% with 10% EBITDA margin (Rule of 40 = 90) is highly valuable; a company growing at 20% with negative 30% margin (Rule of 40 = minus 10) is structurally problematic. Public SaaS comparable multiples (from companies like Snowflake, Datadog, MongoDB, Salesforce) provide anchoring points, though private company multiples are typically 20–30% lower due to illiquidity discounts.

Pre-Revenue Valuation

Before revenue, startups are valued using qualitative methods that try to quantify the reduction of risk at each development stage. The Berkus Method, developed by angel investor Dave Berkus, assigns up to $500,000 each for five risk-reduction factors: sound idea (does the business make sense), prototype (has the team proven they can build), quality team (relevant experience and track record), strategic relationships (customer LOIs, partnerships, key hires), and product rollout (early users, paying customers). This produces pre-money valuations up to $2.5M for the most-developed pre-revenue companies. The Scorecard Method, popularized by Bill Payne, compares the startup to typical angel-stage valuations in the region and adjusts for multiple factors: team strength (0–30% adjustment), market size (0–25%), technology (0–15%), competition (0–10%), marketing and partnerships (0–10%), and need for additional investment (0–10%). A company scoring above average across all factors commands 20–40% premium over regional median; below-average scores produce correspondingly lower valuations. These methods typically produce pre-seed valuations of $3–6M and seed valuations of $6–12M in current markets. YC batch companies consistently land in the $10–15M pre-money range regardless of specific stage because the YC accelerator brand itself adds a measurable premium through network access and signaling effects.

DCF and Comparable Company Analysis

Discounted Cash Flow (DCF) and Comparable Company Analysis are the two valuation methods borrowed from public-market equity research that supplement multiple-based methods for later-stage startups and strategic-acquisition discussions. DCF works by projecting free cash flows 5–10 years forward, discounting each year's cash flow to present value at a risk-adjusted discount rate (typically 12–20% for startups depending on stage and risk profile), and adding a terminal value that assumes steady-state growth beyond the projection window. DCF is most useful for mature startups (Series C+) with 3+ years of revenue history that supports defensible projections. Pre-Series B DCF models are usually exercises in wishful thinking because the cash flows depend on so many unproven assumptions. Comparable Company Analysis uses public-company and private-acquisition multiples from similar businesses to anchor valuation estimates. For SaaS, the standard comparables set includes 15–25 public SaaS companies segmented by size, growth rate, and vertical focus. Pull their EV/Revenue and EV/ARR multiples, filter to companies with similar growth profile and NRR, and apply the median multiple (with appropriate illiquidity discount) to your company's ARR. Private-market acquisition multiples are harder to access but often more relevant — services like PitchBook and Crunchbase Pro publish deal details.