Back to Case Studies
Case Study

How U.S. Gold Bureau Got Full Control Over Lead Quality at Scale

A real-time HubSpot lead scoring system — wired directly into Google Ads as a conversion signal — gave their team a dial to tune quality vs. quantity on demand, and transformed how leads were routed on the sales floor.

Client U.S. Gold Bureau
Industry Precious Metals & Investment
Scale Enterprise
Core Platform HubSpot + Google Ads
Enterprise
scale Google Ads operation
Real-Time
scoring on every form submission
On-Demand
quality vs. quantity control
2-Way
signal: ad targeting + sales routing

The Situation

U.S. Gold Bureau is one of the country's leading precious metals dealers, helping individual investors and retirement account holders diversify their portfolios with physical gold, silver, platinum, and palladium. With a high-consideration purchase cycle — customers often investing tens of thousands of dollars — the quality of every inbound lead has an outsized impact on sales team performance and revenue outcomes.

With a high-volume Google Ads operation, the number of leads coming through was significant. But volume and quality are two very different things in the precious metals business. A high-intent investor ready to fund a large IRA rollover and a casual browser comparing spot prices require entirely different conversations — and routing them to the same sales queue was costing time, efficiency, and deals.

The core problem: Google Ads had no idea what a "good" lead looked like. It was optimizing toward form submissions — treating every conversion equally — with no signal about which leads actually had the intent, financial profile, and urgency to become customers.

The Challenge

At this scale, even marginal improvements in lead quality translate directly into significant revenue impact. The team needed to solve three interconnected problems:

  • Google Ads was flying blind — it was optimizing toward volume, not value. Without a quality signal, Smart Bidding had no mechanism to favor the audiences and keywords producing high-intent investors over low-quality traffic
  • The sales floor had no prioritization system — all leads entered the same queue regardless of their profile, investment readiness, or likely deal size. Top salespeople spent as much time on tire-kickers as on serious buyers
  • There was no lever to adjust — when the business needed more pipeline, there was no way to deliberately loosen targeting to increase volume; when sales capacity was full, there was no way to tighten to protect close rates

The goal wasn't just better leads — it was a system that gave the business real-time control over the quality vs. quantity trade-off, and fed that intelligence back into every layer of the operation.

The Solution

MarTech Tuesday designed and built a closed-loop lead intelligence system connecting HubSpot, Google Analytics, and Google Ads — with real-time lead scoring at its core.

Step 1 — Real-Time Lead Scoring in HubSpot

A lead scoring model was built inside HubSpot that evaluated each new contact immediately upon form submission. Scoring criteria drew on firmographic data, behavioral signals, and declared intent indicators from the form — producing a numerical score within seconds of a lead entering the system. No waiting for manual review. No batch processing overnight. Every lead arrived in HubSpot already scored.

Step 2 — Score to Google Analytics as a Conversion Event

Rather than treating all form submissions as equal conversions, the lead score was passed to Google Analytics as a custom event with the score value attached. This meant Google Analytics now had a differentiated signal — not just "a lead came in" but "a lead came in with a score of 82" or "a lead came in with a score of 31."

System Architecture

Form Submission
HubSpot Real-Time Scoring
GA4 Score Event
Google Ads Conversion Signal
Sales Floor Routing

Step 3 — Connect GA Events to Google Ads as Conversion Signals

The scored GA events were imported into Google Ads as conversion actions, giving Smart Bidding a quality-weighted signal to optimize against. Instead of maximizing the number of form fills, Google Ads could now optimize toward the characteristics of leads that scored highly — adjusting bids, audience targeting, and keyword prioritization based on what high-scoring leads actually looked like.

The result was a targeting system that got smarter with every conversion. As more scored leads flowed through, Google Ads built an increasingly accurate model of which traffic patterns produced high-quality prospects for U.S. Gold Bureau specifically.

Step 4 — The Quality vs. Quantity Dial

By adjusting the score threshold used as the conversion signal, the team gained a lever that no standard campaign setup provides: the ability to deliberately trade quality for volume, or volume for quality, based on current business conditions.

🎯
High Quality Mode

Raise the score threshold — Google Ads optimizes toward only the highest-intent leads. CPL increases, volume decreases, but sales team close rates improve and fewer cycles are wasted on poor fits.

📈
High Volume Mode

Lower the score threshold — Google Ads casts a wider net. CPL decreases, volume increases, filling pipeline when capacity is available and market conditions favor growth over efficiency.

This flexibility was particularly valuable in a market like precious metals, where investor demand shifts with economic conditions, interest rates, and geopolitical events. When gold demand surged and the sales floor needed more leads fast, the dial could be turned. When the team was at capacity and needed to protect close rates, it could be tightened — without rebuilding campaigns or changing creative.

Step 5 — Score-Based Sales Floor Routing

The lead score didn't stop at the ad platform. Inside HubSpot, the same score was used to drive intelligent routing logic on the sales floor. High-scoring leads — those showing strong investment intent, appropriate financial profile, and high urgency — were routed to senior sales specialists with experience closing large precious metals positions. Lower-scoring leads entered a separate nurture track, with appropriate follow-up sequences and lighter-touch outreach until further engagement signals indicated readiness.

This meant the best salespeople spent their time exclusively on the most qualified prospects. Conversion rates per rep improved. Deals that previously stalled because they were handed to the wrong person at the wrong time moved more efficiently through the pipeline.

The Results

The combination of real-time scoring, quality-weighted conversion signals, and intelligent routing created a compounding system — one that improved with every lead that flowed through it.

Real-Time Scoring
Every lead scored within seconds of form submission — no manual review, no delays
On-Demand Control
CPL and lead quality adjusted by changing a single score threshold — no campaign rebuilds required
Smarter Bidding
Google Ads Smart Bidding trained on quality-weighted signals, not raw form volume
Sales Floor Efficiency
Senior reps routed exclusively to high-score leads — top talent focused on highest-value prospects

Beyond the immediate operational improvements, the deeper value was architectural: U.S. Gold Bureau now owned a closed-loop intelligence system that connected ad spend to lead quality to sales outcomes — in real time, at scale. Every dollar spent on Google Ads was informing the next dollar spent, creating a self-optimizing engine that grew more effective over time.

Want a closed-loop system like this for your ad spend?

Take the free Marketing Clarity Index™ assessment and get a personalized report on exactly where your marketing stack is leaving performance on the table.

Get Your Free Marketing Score Talk to Our Team