I help agencies and business owners scale lead gen campaigns with advanced conversion tracking, CRM integration, and server-side tracking across all major ad platforms.
Trusted Tools & Platforms I Work With






Specialized solutions for lead gen agencies and business owners
Full-Funnel Setup
Complete conversion tracking infrastructure for both Lead Gen and Ecommerce
Lead Gen Integration
Complete CRM setup and workflow automation with Zapier, Make & native CRM tools
Lead Gen Specialist
Strategic Google Ads management focused on lead generation ROI
Data-Driven Insights
Custom dashboards and automated reports that turn raw data into actionable insights
Conversion Tracking & Reporting: Available for both Lead Gen and Ecommerce businesses | PPC & CRM Services: Lead Gen focused only
Real results from agencies and businesses I've helped scale
Digital Marketing Agency (USA)
Challenge
Tracking leads from multiple ad platforms without proper attribution. Agency was losing 40% of lead data.
Solution
Implemented server-side GTM with Stape, CRM integration (HubSpot), and offline conversion tracking.
Results
45% improvement in lead attribution accuracy, 32% increase in qualified leads, 28% reduction in cost per lead
Timeline
8 weeks
Team Size
3 account managers
Shopify Store (UK)
Challenge
iOS 14+ privacy changes causing 45% data loss in GA4 and Meta. Unable to track post-purchase events.
Solution
Set up server-side tracking with first-party cookies, enhanced conversions, and Consent Mode V2.
Results
Recovered 67% of lost conversion data, improved ROAS by 28%, increased pixel accuracy to 98%
Timeline
6 weeks
Team Size
1 ecommerce manager
B2B SaaS (Canada)
Challenge
No visibility into phone calls and booking conversions from ads. Spending $50K/month with no clear ROI.
Solution
Implemented call tracking (CallRail), booking conversion tracking, and CRM sync (GoHighLevel).
Results
Identified $150K in previously untracked revenue, improved ROI by 156%, reduced cost per qualified lead by 42%
Timeline
10 weeks
Team Size
2 sales managers
Real Estate Brokerage (Australia)
Challenge
High lead volume (500+ leads/month) but only 8% converted to viewings. No lead scoring system.
Solution
Implemented CRM automation (Pipedrive), lead scoring, and full-funnel tracking with auto follow-up.
Results
40% increase in qualified leads, 25% improvement in lead-to-viewing conversion, 35% increase in closed deals
Timeline
12 weeks
Team Size
5 agents + 2 admin
Online Coaching Platform (India)
Challenge
Tracking enrollments from multiple sources (website, email, WhatsApp, calls). Spending $8K/month with unclear ROAS.
Solution
Set up offline conversion tracking, WhatsApp Business tracking, and payment gateway integration (Stripe).
Results
100% visibility into customer journey, 35% reduction in customer acquisition cost, 52% increase in repeat enrollments
Timeline
7 weeks
Team Size
1 marketing manager
Digital Agency Network (Europe)
Challenge
Managing tracking for 20+ clients across industries. Each client had inconsistent tracking and data quality issues.
Solution
Built scalable server-side GTM infrastructure with Stape, client-specific configurations, and standardized data layer.
Results
Reduced implementation time by 60%, improved data accuracy across all clients to 99%, enabled cross-client benchmarking
Timeline
16 weeks
Team Size
Agency team of 15+
I'm Md Zubayer Islam, a Marketing Attribution, Conversion Tracking & Server-Side Tracking Specialist with 500+ successful implementations across lead gen and ecommerce businesses. My mission is to help agencies and business owners build accurate tracking infrastructure that drives real ROI.
With deep expertise in Google Tag Manager, server-side tracking, CRM integration, and advanced analytics, I solve the most complex tracking challenges that other specialists can't handle.
I work with two types of clients:
My specialization: Advanced conversion tracking for lead gen campaigns with capabilities in call tracking, messaging tracking, offline conversions, and full-funnel attribution.
I've helped these top agencies scale their lead gen campaigns with advanced tracking

Roicom Digital

Salta Media Company

Codarity

Growthup
Real metrics from conversion tracking implementations across agencies and businesses
Average increase in lead conversion rate
Data recovery from iOS 14+ privacy changes
Average ROI improvement after tracking setup
Time saved on manual lead management
Reduction in customer acquisition cost
Lead visibility and tracking accuracy
Increase in qualified leads per campaign
Average ROAS improvement with server-side tracking
Hear directly from agency owners who hired me for advanced conversion tracking
George Roros
🇺🇸United StatesFounder of Volume Up Agency, LLC
Volume Up Agency
Full-Funnel Conversion TrackingAlvaro Berrios
🇺🇸United StatesCEO of Alvaro Berrios Digital
Alvaro Berrios Digital
Google Ads & Meta TrackingJohn Eberhard
🇺🇸United StatesOwner of Eberhard Media Marketing Agency
Eberhard Media Marketing Agency
Server-Side Conversion TrackingJoe Commisso
🇨🇦CanadaOwner of North View Homes Inc.
North View Homes Inc.
Real Estate Lead TrackingAlex O Connor
🇳🇿New ZealandFounder of Odyssey Projects Agency
Odyssey Projects Agency
Multi-Platform Conversion TrackingGokhan Cetintas
🇹🇷TürkiyePerformance marketing manager at Nerd
Nerd
Performance Marketing & TrackingCarles Fos
🇪🇸SpainCEO & Founder of LeadFluence Agency
LeadFluence Agency
Lead Generation & Conversion TrackingFraan Stoll
🇺🇸United StatesOwner of Chassis Depot LLC
Chassis Depot LLC
Automotive Business Tracking & PPC ManagementDov Phillips
🇳🇿New ZealandOwner at Inspiring Wellness
Inspiring Wellness
Wellness Business Conversion Tracking & PPC AdsSantiago Mora
🇪🇸SpainGrowth Marketing Expert
Growth Marketing Specialist
Growth Marketing & AttributionIn-depth guides on conversion tracking, GTM, and lead gen optimization
Complete setup guide for tracking booking conversions from GoHighLevel CRM using Google Tag Manager. Real-time booking data syncing to GA4.
Advanced guide to setting up Meta Conversion API for server-side tracking. Bypass iOS 14+ limitations and recover lost conversion data from Meta ads.
Industry certifications and proven track record
Certified Google Tag Manager Server Container expert
Upwork Top Rated Plus Talent with 100% client satisfaction
Successfully completed over 500 conversion tracking projects
Consistent 5-star reviews from agency and business clients
Common questions about my services and process
Download the same checklist I use to audit 500+ tracking setups. Covers Google Ads, Meta, TikTok, GA4, server-side tracking, CRM integration, and more.
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Book a free consultation to discuss your tracking challenges and how I can help you scale with accurate data.
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