The Full-Funnel Audit: 12 Questions to Run Quarterly

Most growth teams measure the top of the funnel obsessively, the middle of the funnel roughly, and the bottom of the funnel only when someone asks. Which is why most growth teams can tell you their CPL to three decimal places and can't tell you why their pipeline isn't converting.

A full-funnel audit fixes that. It's a structured quarterly check across all four stages of the customer journey (Reach, Engage, Nurture, Retain) designed to surface where the real constraint is, not just where the visible activity is. It usually takes half a day. It almost always produces at least one finding that changes how the team spends the next quarter.

This article walks through the 12-question audit we use across client engagements, why it's structured the way it is, and how to actually run it, including how to avoid the mistake most teams make when they try this themselves, which is grading themselves too kindly on the stages closest to the work they've just finished.

Why Quarterly, Not Annual

Growth audits often get framed as annual exercises, something you do when the strategy is being rewritten, or when a new CMO joins. That cadence is too slow. A lot happens in a quarter: new campaigns launch, old ones decay, sales teams evolve their process, product ships features that change the pitch, competitors shift positioning. By the time an annual audit picks up what's changed, three quarters of misdirected effort have already happened.

Quarterly is the right cadence because it matches how growth operations actually move. It's short enough that the findings are actionable within the current operating cycle, and long enough that there's meaningful data since the last one. It also forces a useful discipline: if an issue shows up in two consecutive quarterly audits, it's a structural problem, not a one-quarter anomaly, and structural problems deserve structural fixes, not tactical patches.

The teams we work with who run this quarterly tend to catch problems a quarter or two earlier than teams that audit annually. That lead time is usually the difference between a minor correction and a painful rewrite.

A lot happens in a quarter. By the time an annual audit picks up what's changed, three quarters of misdirected effort have already happened.

The Four Funnel Stages the Audit Covers

The audit covers the four stages of the customer journey as they play out in B2B growth work. Each stage has a specific job, and each one fails in a specific way when it's under-invested or poorly integrated with the others.

Reach and Attract

The top of the funnel. How prospects encounter the company for the first time, paid media, organic search, content, events, referrals, social presence. The question at this stage isn't just volume. It's quality. A channel that delivers thousands of cheap clicks from the wrong audience is worse than a channel that delivers a hundred clicks from the right one, because the cheap-click channel actively misallocates downstream attention and budget.

Engage and Convert

The moment someone who's encountered the company decides to take a specific action, book a demo, download a resource, sign up for a trial, start a conversation. This is where most B2B growth operations leak most heavily, and it's the stage most teams under-diagnose. A conversion rate that looks "fine" at an aggregate level often hides wildly different conversion rates by intent and source, which means the team is optimising averages instead of constraints.

Nurture and Close

The pipeline stage. From first qualified touch through to closed-won. This is where marketing and sales have to operate as one system: the handoff, the follow-up, the nurture for leads that aren't ready yet, the re-engagement of leads that went cold. The common failure here is structural rather than tactical: marketing and sales each optimise their own metrics, and the handoff between them is implicit rather than designed.

Retain and Grow

The post-sale stage. Onboarding, engagement, expansion, retention. In B2B SaaS and subscription businesses, this is where most of the actual economic value of growth shows up, a customer who's acquired and expanded is worth many times a customer who's acquired and churns. Yet it's the stage most growth teams treat as "customer success's problem" and therefore under-instrument.

The 12-Question Audit

Three questions per stage, designed to surface both obvious and hidden failures. Each question is structured to force a specific answer, not "yes, we do that" but an honest assessment of whether the underlying capability is actually working.

A few things to notice about how these questions are phrased.

Each question has a "happy path" and a failure path baked into it. Question 1 isn't "which channels do we use," it's whether you know, with evidence, which channels bring your best-fit buyers. The question structure makes it hard to answer with activity ("we run LinkedIn and Google") rather than outcome ("we've proven LinkedIn brings ICP, Google brings adjacent").

The questions get progressively harder to answer honestly as you move down the funnel. Most teams can answer Reach questions confidently, answer Engage questions with mixed confidence, and get visibly uncomfortable at Nurture and Retain. That discomfort pattern is itself a diagnostic: the stages where you're least sure how to answer are the stages where your funnel is least instrumented.

How to Actually Run the Audit

The audit takes half a day if it's run properly. Less than that means people aren't engaging seriously with the questions. More than that means the discussion has sprawled and needs facilitation. Here's the structure that tends to produce useful outcomes.

1. Send the 12 questions to participants 48 hours in advance. Ask each person to rate every question independently on a 1 to 3 scale (1 = failing, 2 = partial, 3 = working) and jot a one-sentence rationale. Independent scoring is non-negotiable. If people score together in the room, the loudest voice anchors and you lose the most valuable information, which is where people disagree.
2. In the session itself, start with the questions where scores diverged the most. Divergence usually means one of two things: people are seeing different parts of the funnel (common), or people are being honest at different levels of depth (also common). Either way, the divergent questions are where the real conversation lives.
3. For each question, work toward a single team-agreed score and a one-sentence statement of the current state. The goal is not consensus on everything, it's shared understanding of where the funnel actually stands.
4. Identify the three lowest-scoring questions overall. These are your quarterly priorities. Name an owner for each. Commit to specific actions that will change the score in 90 days. If you can't name actions that would plausibly change the score, the audit needs to continue, either the question isn't well-understood or the team isn't ready to commit.
5. Schedule the next audit for 90 days later. Same questions. Same structure. Compare scores, note which ones moved, and identify the next three priorities.

The repetition matters. A single audit gives you a snapshot. A series of audits gives you a trajectory, and the trajectory tells you whether your quarterly priorities are actually being addressed, or whether the same issues keep scoring low because nothing structural is changing.

The Mistake Most Teams Make

When teams run this audit themselves without external challenge, the most common failure is generous scoring on the stages closest to the work they've most recently finished. Teams that just rebuilt the website overrate Engage. Teams that just hired SDRs overrate Nurture. Teams that just launched a loyalty programme overrate Retain. The emotional proximity to recent work distorts the honest assessment of what's actually working.

Three techniques help counter this:

• Have someone outside the team score independently. A board member, an advisor, a trusted peer. Their scores will diverge from the team's, and the divergence is usually closer to the truth than the team's internal consensus.
• Score against outcomes, not investments. "We built X" is not evidence X is working. "X is producing Y" is. If you're scoring based on what you've done rather than what it's producing, round down.
• Apply the "prove it" test from our readiness piece: could you walk someone through evidence for your score in 10 minutes, or would you need to prepare, explain, or caveat? If you'd need to caveat, you're probably at a lower score than you're giving yourself.

Pattern we see: A B2B SaaS client we worked with scored themselves at 2s and 3s across every question except one on their first audit. When we ran the same audit a week later with their board observing, the scores dropped by an average of 0.7 across the funnel. The board-observed scores were much closer to the actual funnel performance, the team's internal scoring had been anchored on effort, not outcome. That single re-score reshaped how they prioritised the next quarter.

What the Results Actually Tell You

The audit produces three types of findings, and each has a different implication for what happens next.

Pattern 1: Concentrated weakness in one stage

Most of the low scores cluster in one funnel stage, say, all three Engage questions scored low, but the other nine are fine. This is usually the easiest pattern to act on. The failure is localised, and the fix is concentrated effort in that stage. Examples: rebuilding the conversion experience, fixing the marketing-sales handoff, installing proper post-sale engagement tracking.

Pattern 2: Even weakness across stages

Low scores are spread across multiple stages, typically 5 to 7 questions at a 2 and only a few at 3. This usually signals a systemic issue rather than a stage-specific one, the growth operation as a whole isn't well-instrumented, isn't running a coherent operating rhythm, or is under-resourced for the ambition level. The fix here is structural: install the cascade, define ownership, build the rhythm. Not a single-stage project.

Pattern 3: Top-heavy strength, bottom-heavy weakness

Reach and Engage score high, Nurture and Retain score low. This is the most common pattern we see across growth-stage companies. It means the growth team has built competent demand-generation capability but the downstream systems (CRM, sales handoff, retention, expansion) are under-developed. The fix is less about more top-of-funnel investment and more about rebuilding the bottom half of the funnel to absorb and convert the demand that's already coming in.

If your pattern is #3, stop investing more in channels until the bottom of the funnel is instrumented. More reach into an un-instrumented bottom of funnel is how growth budgets get wasted at scale.

Where the Audit Sits in the NBT Growth Model

This audit is a Stage 1 diagnostic, part of the Growth Marketing Checkup. It sits alongside the 5-Dimension Readiness Assessment, but it's asking a different question. Readiness asks whether the business is prepared to spend on growth at all. The Full-Funnel Audit asks, assuming you're already operating, where the current operation is actually breaking down.

The outputs feed directly into Stage 4, OKR-Driven Optimisation. Your three lowest-scoring questions become the three highest-priority quarterly OKRs for the growth team. The audit is run again 90 days later, and the score movement becomes the measurement of whether the OKRs actually produced change.

The pattern diagnosis (concentrated, even, top-heavy) also informs Stage 2. Route Formulation changes meaningfully depending on which pattern you're in. If you're in Pattern 3, the route needs to emphasise bottom-of-funnel infrastructure before new acquisition channels. If you're in Pattern 2, the route work itself is probably structural, you're in the wrong operating model, not the wrong tactics.

Run It This Quarter

If you haven't run a structured full-funnel audit in the last quarter, do it this month. It takes half a day, and the output reshapes how you allocate the next quarter's effort in ways that are almost always more impactful than whatever you were planning to do with that time anyway.

The specific 12 questions in this article are the ones we've refined across hundreds of engagements. They're not the only possible questions, but they reliably surface the patterns that matter. Adapt them for your specific stage and model, but keep the shape: three questions per stage, independent scoring, trajectory tracking over time.

If you want a second set of eyes on the audit, particularly if you suspect the team's self-scoring is generous, get in touch for a strategy call. We'll run the audit with you, compare our scores to yours, and give you an outside read on where the real constraint is.