HELLO, I'M
JAHIRUL
ISLAM.
Good ads. Better data. Real growth. I help ambitious brands move forward through performance marketing and tracking that connects the dots.

growth partner.
The platforms.
The possibilities.
Great marketing starts with understanding people. Sustainable growth starts with understanding the numbers.
I'm JAHIRUL ISLAM, a performance marketer and tracking architect. I bring paid media, creative testing, and first-party data together to help DTC and B2B brands make their next move with confidence.
Different skills.
One growth mindset.
From the first impression to the final conversion.
Here's how I help you connect it all.
Meta Ads
(01)Turn attention into acquisition. Creative testing, Advantage+ campaigns, and a clear plan for scaling your next winning ad.
Google Ads
(02)Meet customers at the moment of intent. Search and Performance Max campaigns built around the products and leads that matter.
Server-side tracking
(03)Give your campaigns a stronger data foundation with server-side GTM, Meta CAPI, and properly deduplicated conversion events.
Analytics & insights
(04)Make your numbers make sense. GA4 architecture and focused reporting that connect marketing decisions to business outcomes.
Conversion optimization
(05)Make more of the traffic you already earn. Find the gaps between an ad click, your landing page, and a completed checkout.
Growth advisory
(06)A clear-eyed look at your account, creative, and attribution. Leave with priorities, practical next steps, and a roadmap for growth.
Behind the campaigns.
Fixing PMax Brand Cannibalization & Unlocking 4.8x Blended ROAS for NordicLiving
Generating $1.4M Pipeline with Google Search & Demand Gen for CloudScale
Scaling Aura Athletics from $30k to $180k/mo with Advantage+ & Server-Side CAPI
Campaign breakdowns from my portfolio. Explore each study for its strategy, context, and reported results.
Good growth is a process.
Find the real problem.
Start with your business, your accounts, and your customer journey. Understand what is holding growth back.
Build a better foundation.
Connect the tracking, sharpen the offer, and give every campaign a clear job to do.
Test. Learn. Grow.
Test creative with purpose, follow the useful signals, and scale what earns its place.
What could growth look like?
Explore the relationship between ad spend,
return, and your next marketing goal.
A planning estimate, not a performance forecast. Revenue after ad spend excludes product costs, fees, taxes, and other expenses.
A little more insight.
5 GA4 Custom Dimensions & Funnel Explorations Every Growth Marketer Needs
Move beyond generic vanity metrics. Learn how to track payment gateway drop-offs, ad placement attribution, and customer LTV tiers directly in GA4.
7 min readGoogle Ads Performance Max vs Search: How to Stop PMax Stealing Brand Traffic
Why Performance Max campaigns artificially inflate their ROAS by gobbling up existing brand search traffic, and how to configure Brand Exclusions properly.
5 min readWhy Client-Side Pixel Is Failing: The Definitive Server-Side GTM & CAPI Guide
How browser ad blockers, Safari ITP, and third-party cookie restrictions are blinding your ad accounts—and how to set up resilient Server-Side GTM with Meta CAPI.
8 min read