Every case on this page is a real engagement. Numbers are not rounded up. Problems are not softened.
6+
Industries served
55%
Avg open rate post-fix
95%
Inbox placement rate
14d
Avg time to first reply
Case Studies
Six Engagements, Six Fixes
01/B2B Sequences · USDeliverability + Infra7/7/26
Single G Suite inbox hit 675 emails per day. Open rate dropped from 35% to near-zero. Full infrastructure rebuild across 3 domains and 6 mailboxes restored performance in 14 days.
35%
Open Restored
14d
Recovery
300
Safe Sends/Day
02/Real Estate · USInfrastructure Rebuild7/12/26
73,500 emails sent through the wrong platform produced just 2.85% opens, zero clicks, three spam complaints. Full migration to Smartlead with dedicated domains and list hygiene.
40%+
Target Open
100k
Monthly Capacity
0
Spam Complaints
03/SaaS · USFull Stack Build7/13/26
SettleQuik needed a complete outbound stack for their first agency acquisition campaign. 1,250 verified leads sourced, enriched, and validated. Campaign live in 7 days.
1,250
Leads Built
7d
Setup to Live
100%
Inbox Placement
04/Healthcare · USDeliverability Audit7/17/26
Security scanners pre-clicking tracked links destroyed all engagement data across 20+ domains. Full DNS rebuild and content restructure fixed placement.
20+
Domains Audited
500k
Monthly Volume
4-6w
Stabilization
05/Agency · USCRM + Automation7/30/26
Needed automation that reacts to behavior, not a timer. Built engagement-triggered branching and a 3-tier behavioral pipeline with deliverability locked from day one.
Nearly 2 in 3 emails never reached the inbox. Broken SPF, mismatched DKIM. Full auth rebuild took placement from 34% to 87%, blacklist cleared in 72 hours.
His emails were disappearing without a trace. Not in the inbox. Not in spam. Gone. A DNS-level audit found 4 stacked failures. Full Google Workspace migration, 10/10 score, 0 emails lost, all inside 48 hours.
10/10
Deliverability Score
48h
Start to Verified
0
Emails Lost
Start Here
Your system is next.
Every case on this page started with a free 30-minute audit call. No pitch deck. Walk away with a clear picture of what is breaking.
Response within 24 hours · Global clients welcome · NDA available
How can i help you?
Verified Client Reviews
What Clients Say After the Work.
★★★★★86% Open Rate
We are finally getting real conversations and real downloads. Advazon built a cold email engine that reached 20,000+ attorneys with an 86% average open rate.
N
Nick
Founder · Vikk.ai · LegalTech SaaS
★★★★★Upwork Verified
Advazon set up our entire cold email infrastructure from scratch. Our inbox placement went from around 40% to 94%+ and reply rates jumped to 8.4%.
JS
Jason Simmons
Founder · DeadSoxy
★★★★★LinkedIn Verified
I was exceedingly impressed by their adept management of LinkedIn campaigns. Their strategic approach to building contact lists significantly boosted our results.
LI
Lindsey Imperatore
President · CREtech
★★★★★LinkedIn Verified
I wholeheartedly endorse them for exceptional lead generation services on LinkedIn. His expertise and unwavering commitment have significantly enhanced our outreach endeavors.
ER
Ellen Rudolph
Co-founder & CEO · WellTheory
★★★★★LinkedIn Verified
Rakibul is the best lead gen expert that I have ever worked with. He is easy to work with, friendly and always delivers quality, in good time.
GJ
Guy Jackson
The Scale-up Launchpad · Investor
★★★★★LinkedIn Verified
His expertise in using LinkedIn and email outreach was invaluable in generating high-quality leads for us. Communication was excellent every step of the way.
DE
Daniel Eskandar
Founder · Dartera / Akquire
★★★★★3+ Year Client
I have worked with Rakib for over three years because he exemplifies reliability, efficiency, and quality. Highly recommend.
RC
Ransley Carpio
Consumer Brands · ex-L Catterton
★★★★★99% Data Accuracy
I hired Advazon for two urgent research projects. Very quick, very responsive, and my data had 99% accuracy — very impressive for lead gen.
AH
Angela Hamilton
SDR Ops & Enablement Leader
★★★★★LinkedIn Verified
Rakib was instrumental in helping my team enter a new customer segment. Highly responsive, receptive to feedback, and delivers projects quickly and accurately.