One Extra Form Field: How a SaaS Company Quietly Lost $200k in Annual Revenue

By Jonathan · Founder, PageGains

Most SaaS teams obsess over ad spend, positioning, and feature launches — then leave thousands of dollars on the table because their signup form asks for one thing nobody needs. That's not a hypothetical. It's exactly what happened to a B2B SaaS company with a healthy traffic engine, a product users loved, and a signup flow that was quietly bleeding revenue every single day.

The Setup: A "Short" Form That Wasn't Short Enough

The company had a free trial signup form with five fields: name, work email, password, company name, and company size. Five fields sounds lean. And compared to enterprise lead-gen forms, it is. But "lean" is relative. The team thought company size was essential — it fed their CRM segmentation and helped sales prioritize outreach. Reasonable logic. Wrong call.

When we ran a session recording audit on the signup page, one pattern kept showing up: users would fill in name, email, and password without hesitation, then slow down at "company size." Some left it blank and got a validation error. Others opened the dropdown, closed it, and abandoned the page entirely. A measurable cluster of users — people who'd clicked an ad, read the landing page, and made it all the way to signup — quit on a dropdown.

That friction had a cost. It wasn't theoretical. It was showing up in the funnel data every week, invisible to anyone not looking for it.

How We Quantified the Damage

Before doing anything, we needed a number. Gut feel doesn't get form fields removed — finance does.

We pulled three months of funnel data. Signup page visits: 18,400. Completed signups: 2,940. That's a 16% completion rate. Industry benchmarks for SaaS free trial signups typically sit between 20–25% for a warm, intent-driven audience. Even closing half that gap — from 16% to 20% — would mean roughly 736 additional signups over the same period.

Then we applied their known conversion rates downstream: trial-to-paid was 22%, average contract value was $1,200/year. Seven hundred thirty-six extra signups × 22% × $1,200 = approximately $194,000 in annual revenue sitting behind a single dropdown field. Round up to account for a full year of traffic growth, and you're at $200k.

That number got the form field removed in 48 hours.

What Actually Happens When Users Hit Unnecessary Fields

Here's the psychology worth understanding: form abandonment isn't usually about effort. It's about perceived irrelevance.

When a user hits a field that feels like it serves the company — not them — it triggers a small but meaningful trust disruption. They think: "Why do they need this? What are they going to do with it?" That moment of hesitation is often where the session ends. It's especially damaging in the "company size" category because it signals that segmentation and sales pressure are coming. For a user who just wants to try the product, that's a warning sign.

Contrast that with fields that feel like they serve the user — like a "what's your primary goal?" question that promises a tailored onboarding experience. Users fill those in willingly. The field content matters, but the perceived intent behind the field matters more. If it feels like data extraction, expect drop-off.

The Fix: Remove First, Enrich Later

The correct approach isn't to debate which fields are "necessary." It's to remove everything that isn't required to create the account, then recover the data you want through other means.

For this company, company size got cut from the signup form entirely. Instead, it was added as a single-question prompt inside the onboarding flow — right after the user created their account and landed on the dashboard for the first time. Completion rate on that in-app prompt: 71%. Higher than the form ever would have gotten, because the user was already in the product and trusted the context.

This is the "progressive profiling" approach, and it works because timing is everything. Asking for information before someone has committed creates friction. Asking after they're already a user feels like personalization, not interrogation. You get the same data. You lose far fewer people getting there.

How to Audit Your Own Signup Form in 20 Minutes

You don't need a CRO agency to find this problem. Here's a fast audit you can run yourself:

Pull your signup page completion rate from your analytics. If it's below 20% for a warm traffic source, you have a problem worth investigating. Open session recordings (Hotjar, FullStory, or Microsoft Clarity all work) and filter for sessions that reached the form but didn't complete it. Watch 20–30 of them. Look for where the cursor stops, where users backtrack, where they open and close dropdowns without selecting.

Then ask this about every single field: does removing this field prevent the user from using the product? If the answer is no, it shouldn't be on the signup form. Company name? Usually no. Phone number? Almost always no. Role or team size? No. Work email instead of personal email? That one's defensible if your product is B2B-only. Everything else is negotiable.

Map what you find against your funnel numbers and build the revenue case the same way we did. Stakeholders respond to dollars, not UX principles.

The Fields That Kill SaaS Signups Most Often

Based on patterns across dozens of SaaS signup audits, these are the fields that consistently hurt completion rates without delivering equivalent value:

Phone number is the worst offender. Users read this as "a salesperson is going to call me" — and they're usually right. If you're adding phone to qualify leads, the leads you're losing are telling you something: they don't want that call. Company size and industry dropdowns slow users down and signal segmentation before the user has decided they trust you. "How did you hear about us?" sounds harmless but adds cognitive load at the moment when you want zero friction. Credit card on free trial signups is its own category — it can increase paying conversion among users who do sign up, but it dramatically shrinks the top of the funnel. Test it carefully.

Password requirements that aren't explained upfront cause silent failures. Users type a password, get a validation error, and sometimes just leave rather than figure out the rules. Show your requirements before they hit submit, not after.

After You Remove the Fields: What to Watch

Cutting form fields is fast. Understanding the results takes a little more patience.

Once the company removed the company size field, we gave the test four weeks before drawing conclusions. Signup completion rate moved from 16% to 21.3% — a 33% relative improvement. Trial-to-paid held steady at 22%, which told us the quality of signups wasn't degrading. That's important: sometimes removing qualification friction lets in users who were never going to pay. Watch your downstream conversion rate, not just your top-of-funnel numbers.

If trial-to-paid drops after you simplify your signup form, that's a signal the friction was doing some filtering work — intentionally or not. In that case, you can add a soft qualification step (like a "what brings you here today?" question) inside onboarding rather than at signup. You get the signal you need without losing people at the door.

Also watch support volume. One underrated side effect of easier signups: you sometimes get more users who aren't a great fit and need more hand-holding. Track that in the first 60 days. Usually it's not a problem, but it's worth monitoring.

Why This Keeps Happening (And How to Stop It)

The reason SaaS forms accumulate fields is almost never malicious. It's organizational. Sales wants company size. Marketing wants UTM-matched industry data. Product wants use-case intent. Everyone has a reasonable ask, and the form becomes the catch-all. No single person owns the experience end-to-end, so nobody pushes back.

The fix is to establish a simple rule: the signup form is owned by one metric — completion rate. Every request to add a field gets evaluated against that metric, not against the department's internal needs. If sales needs company size, sales can ask for it in the first outreach email or pull it from an enrichment tool like Clearbit or Apollo. That's their job, not the signup form's job.

Treat your form like a doorway, not a questionnaire. The goal is to get the user through it as fast as possible. Everything else comes later.

The Bottom Line

One field. Five dropdown options. $200,000 a year. The math is uncomfortable because it means the revenue was always there — it just wasn't making it through a completely avoidable bottleneck.

Most SaaS signup forms are overloaded not because anyone decided to make them hard, but because nobody decided to make them easy. Fields accumulate. Completion rates drift down. The loss gets attributed to ad quality or market conditions instead of the three seconds of friction that killed the session.

Your form isn't just a data collection tool. It's the moment a potential customer decides whether your product is worth their time. Every unnecessary field is a small vote against you at the worst possible moment.

Run the audit. Pull the session recordings. Build the revenue case. Then fight hard for the simplest form your team will agree to — and move everything else into onboarding, where users are already in the door.