Home About Services Clients Products → E2E Sales → StockPro Case Studies → Employee Reviews → Newsletter → Culture & Gallery Contact Get Started
Case Study · Outbound Growth & Automation

Scalable Lead Generation Engine
for Outbound Growth

Client: Marketing & Outbound Sales Agency Region: California, USA Duration: 5 Months Goal: High-Intent B2B Leads at Scale, Zero Ad Spend
80%+
Reduction in Manual
Research Time
Owned
Data Pipelines Replacing
Ad-Based Acquisition
3
Industries Scaled Into
Without Rebuilding
Zero
Per-Lead Ad Cost
After Deployment

The Challenge

Costly Ads, Inconsistent Leads, and Manual Bottlenecks

The client relied heavily on paid ads and manual prospecting for outbound campaigns. As the business tried to scale, the cracks became impossible to ignore.

  • Rising customer acquisition costs with diminishing returns on ad spend
  • Inconsistent lead quality making sales team prioritisation difficult
  • Manual research and validation bottlenecks slowing outreach cycles
  • Low email deliverability due to unverified contact data

They needed a repeatable, automated lead generation pipeline that could scale across industries without linearly increasing operational cost.

Gagstek's Solution

A Fully Automated End-to-End Outbound Pipeline

Gagstek designed and deployed a fully automated outbound lead generation engine that scrapes, enriches, validates, and routes prospects directly into CRM — ready for immediate outreach, with no manual steps in between.

1
Targeted Data Scraping
Custom Python scrapers extract decision-maker data from niche-specific sources — tailored per industry and target persona.
2
Automated Workflow Orchestration
n8n handles scheduling, logic, retries, and multi-step automation end-to-end — no human intervention required in steady state.
3
Data Enrichment & Intelligence
  • Company and role enrichment using Gemini AI
  • Email discovery via Hunter.io
  • Contextual insights added for outreach personalisation
4
Email Validation & Deliverability Protection
Zerobounce filters invalid and high-risk emails before outreach — protecting sender reputation and improving response rates.
5
CRM Sync & Campaign Readiness
Clean, enriched leads are pushed directly into Pipedrive CRM with structured fields — ready for outreach sequences without any manual cleanup.

Technology Stack

Purpose-Built Tools for Each Stage

Python Custom scrapers
n8n Workflow automation
Gemini AI Enrichment & signals
Hunter.io Email discovery
Zerobounce Bounce protection
Pipedrive CRM Lead management

Results Delivered

Owned Data Pipelines, Not Ad Dependency

Owned
Pipelines
Replaced ad-based lead acquisition with owned data pipelines — no more budget burn just to fill the top of the funnel.
High
Intent
Consistent generation of high-intent B2B leads — enriched with company, role, and contextual signals before hitting the CRM.
80%+
Reduced manual research time by 80%+ — the pipeline runs autonomously, freeing the team for outreach and closing.
Better
Delivery
Improved email deliverability and response rates — validated contacts only, protecting sender reputation across all campaigns.
Rapid
Scale
Enabled rapid scaling into new niches without rebuilding infrastructure — same engine, new targeting parameters.

Market Expansion Use Cases

One Engine, Three Industries

The same engine was repurposed across multiple verticals with minimal changes — demonstrating the system's modularity as a reusable growth asset.

Use Case A Podcast Guest Booking Automation
Target: Authors, founders, and thought leaders
  • Scrapes top industry podcasts to identify relevant shows
  • Finds host and producer contact details automatically
  • Automates outreach to secure guest appearances at scale
Outcome: Clients book podcast slots on autopilot — increasing brand authority without PR agencies or manual pitching.
Use Case B B2B Partnership Sourcing
Target: SaaS companies and digital agencies
  • Identifies complementary businesses based on vertical and size
  • Enriches decision-maker contacts with role and company signals
  • Automates partnership outreach sequences end-to-end
Outcome: Clients build referral partnerships and distribution channels at scale — without a dedicated BD team.
Use Case C Niche Tech Recruitment
Target: Specialized technology firms
  • Sources developers via LinkedIn and GitHub profiles
  • Enriches profiles with role, skill, and activity context
  • Automates direct hiring outreach with personalised messaging
Outcome: Faster hiring cycles with higher candidate quality — without dependency on traditional recruiters.

Why This Matters

A Reusable Growth Asset, Not a One-Off Campaign

This system was built to compound. Unlike ad campaigns that stop when the budget runs out, this engine is infrastructure — it gets more valuable the longer it runs.

No Platform DependencyOwned infrastructure that can't be switched off by an ad platform's algorithm or policy change.
No Per-Lead Ad CostAfter build, each additional lead costs compute — not campaign budget.
Fully Customisable Per IndustryTargeting parameters, data sources, and enrichment logic adapt per niche without rebuilding.
Scales Without Linear Cost IncreaseAdding a new industry means updating a config — not hiring a new research team.

Client Testimonial

What the Client Said

"What impressed us wasn't just the automation — it was how clean and usable the data was. The system Gagstek built runs quietly in the background and keeps our pipeline full without manual work. We stopped relying on ads for outbound leads entirely."

M
Marketing & Outbound Sales Leadership
Marketing & Outbound Sales Agency · California, USA