Client Feedback

Real client reviews from the GTM work behind Advazon.

This page includes the positive written feedback available in the supplied Upwork and LinkedIn records. Each card retains the client name, company, role, service context, rating, and original review language available in those records.

Review libraryExplore all 36 source-backed client reviews

Showing all 36 client reviews.

Featured Reviews

Specific work. Credible client perspective.

These selected reviews represent lead generation, LinkedIn outreach, email deliverability, data research, and GTM execution. They are presented as client feedback, not as a promise that every engagement produces the same outcome.

LI
Lindsey ImperatorePresident, CREtech

LinkedIn campaigns and email outreach

"Their strategic approach to building contact lists for email drip campaigns significantly bolstered our outreach endeavors. The team exhibited a profound comprehension of LinkedIn's functionalities and email outreach."

LinkedIn recommendation

ER
Ellen RudolphCo-founder + CEO, WellTheory

LinkedIn lead generation

"His expertise and unwavering commitment have significantly enhanced our outreach endeavors. Rakibul's proactive approach and dedication to delivering tangible results make him an invaluable collaborator."

LinkedIn recommendation

DE
Daniel EskandarFounder and CEO, AKQUIRE.AI

Lead generation, LinkedIn, and email outreach

"Rakibul's expertise in using Linkedin and email outreach was invaluable in generating high-quality leads for us. His communication skills were excellent, and he kept us updated every step of the way."

LinkedIn recommendation

AH
Angela HamiltonDirector Sales Operations, Martal Group

Urgent lead generation and research

"Not only was he very quick, he was also very responsive and my data had 99% accuracy which - if you are familiar with lead gen - is very impressive."

LinkedIn recommendation

RG
Ricky GutteridgeChief Revenue Officer, Dreamwriter

Market research and custom ICP database

"Rakib has been able to help build a truly custom ICP database that gives our marketing efforts a true competitive advantage, despite incredibly nuanced criteria."

LinkedIn recommendation

KT
Kathryn TreserChief of Staff, LinkedIn Talent Solutions

New-segment research and lead generation

"Rakib was instrumental in helping my team enter a new customer segment. His lead generation skills helped us accelerate our entry by sourcing information that enabled us to start conversations with people in this segment."

LinkedIn recommendation

LA
Lian AmberBASSBOSS

Email deliverability support

"Very helpful contractor and successfully completed our email deliverability issues. Highly recommended."

Upwork review | 5.0 rating

MS
Mark SalernoShopify email infrastructure client

Google Workspace migration and deliverability

"I hired Rakib to set up Google workspace email for my shopify store. He did an excellent job. The work was completed quickly, and he always answered emails quickly."

Upwork review | 5.0 rating

NS
Nishitha SWellness 360

DKIM and spam-filter configuration

"He was prompt, reliable, and resolved all our issues while meeting the project requirements. He kept us regularly updated on progress and provided clear documentation of the work completed."

Upwork review | 5.0 rating

MS
Michael SwigunskiGlobal Career, LLC

LinkedIn outreach and manual replies

"Rakibul is really great, and it was a pleasure working with him on our LinkedIn outreach for generating more leads."

Upwork review | 5.0 rating

MJ
Mark JulienTellus Power Europe B.V.

Data extraction and lead preparation

"Rakib was excellent - he went above and beyond in providing us with the data we needed in the format we needed. I would have no hesitation in using him again."

Upwork review | 5.0 rating

BL
Bryan LeePrivatus Consulting

B2B lead generation and list building

"Rakib did a great job - great communication, rapid turnaround, and gave me a list that met my requirements exactly. Would definitely hire him again."

Upwork review | 5.0 rating

More LinkedIn Recommendations

Long-term collaborators and business leaders.

The remaining LinkedIn recommendations from the supplied source table cover lead generation, market research, account targeting, and ongoing delivery support.

GJ
Guy JacksonLead generation client

Lead generation

"Rakibul is the best lead gen expert that I have ever worked with. He's easy to work with, friendly and always delivers quality, in good time. Thoroughly recommended!"

LinkedIn recommendation

HC
Huawen ChenBusiness Development & VP Assistant, The PCA Group of Companies

Decision-maker research

"Rakibul uses his impressive tech skills to help me get in touch with key decision-makers. His ability to quickly and efficiently find the right connections has been invaluable for our business growth."

LinkedIn recommendation

RC
Ransley CarpioManaging Director

Long-term lead generation support

"I have worked with Rakib for over three years because he exemplifies each of these qualities. He has been an integral part of the building of my group. Highly recommend."

LinkedIn recommendation

JM
Joel MFounder, Innoval OS

Ongoing team support

"Rakib is an absolute weapon for our team. Always goes beyond and gets all tasks done efficiently. We work with him every week and he is a great asset to us. Highly recommended!"

LinkedIn recommendation

NO
Natasha OxenburghCo-Founder & Managing Director, Ox Win Loss

Market research and lead generation

"Rakibul is a pleasure to work with - he is organized, professional, highly responsive and communicative. I look forward to our continued collaboration."

LinkedIn recommendation

More Upwork Feedback

Additional reviews across data, outreach, and deliverability.

These are the remaining positive written Upwork reviews rated 4.0 or higher after removing the platform's empty feedback prompt.

ES
Ella SamwellEmail campaign client

Email list and campaign setup

"Fast and good work. Project was completed a success and will use again for future."

Upwork review | 5.0 rating

JL
Joshua LibermanVerifund Capital Corp

Website scraping for email lists

"Excellent work, and I will use contact again for future jobs."

Upwork review | 5.0 rating

BD
Brad DeryAdvantage Services Group

Urgent email deliverability support

"We appreciate Md Rakubul's assistance with our email deliverability."

Upwork review | 5.0 rating

BM
Ben MillerRevolution Desk, LLC

Email authentication and spam prevention

"Rakibul was able to promptly jump in and help with resolve my issue."

Upwork review | 5.0 rating

OM
Orlando MansurLinkedIn automation client

Dripify LinkedIn automation

"Excellent Provider. Will Hire Again."

Upwork review | 5.0 rating

MP
Martyna PiwowarReady4s

People research

"The job was done quickly. Good communication. Good records, as required."

Upwork review | 4.8 rating

AM
Amanda MatfinGreenteriors

Contact-list building

"Easy to work with, timely completion of the project."

Upwork review | 5.0 rating

ON
Obinna NwobiLead generation client

Lead generation and data mining

"Very helpful and understand your job requirements."

Upwork review | 4.7 rating

LT
Liza TolstenkoLiza

JavaFX and Swing company research

"Great work."

Upwork review | 5.0 rating

LT
Liza TolstenkoLiza

Open-position account research

"Great work, all correct, quick and good communication."

Upwork review | 5.0 rating

LT
Liza TolstenkoLiza

UK software-company research

"Great and quick work, good communication!"

Upwork review | 5.0 rating

AK
Arun KarthikWorkfolio

LinkedIn and email automation for B2B SaaS

"Good work. Will get back when I've fixed my rebranding issues."

Upwork review | 5.0 rating

NE
Nimrod Ben EzriDazz.Fashion

Fashion-industry data mining

"Great Freelancer! Highly Professional!"

Upwork review | 5.0 rating

AM
Aal MOGHRABIDark Mattr

B2B lead-generation list building

"Freelancer completed the job fast! Helpful and skilled."

Upwork review | 5.0 rating

MK
Marty KimmelOVL

Long-term lead-generation support

"Thanks a million!"

Upwork review | 5.0 rating

PC
Palindrome CapitalPCAVP Ltd

Investor contact research

"Job completed before pre-agreed deadline."

Upwork review | 5.0 rating

JT
Joshua TomeoniLinkedIn appointment-setting client

LinkedIn communication and appointment setting

"Great freelancer, great communication & did as he was asked. Only complaint was he went off script a bit, which is the only reason he didn't get a 5.0. Appreciated working with him!"

Upwork review | 4.7 rating

JB
Jasmine BillingsBJW Enterprises

LinkedIn audience targeting

"It was a very nice working with Rakib and he successfully helped us find a targeted audience for our client. I would say if would communicate a bit more it would be helpful but the work is spot on. Thank you!"

Upwork review | 4.4 rating

IS
Ivan StefanovicRevenue-research client

Amazon competition and revenue research

"Good job for Leads Generation!"

Upwork review | 5.0 rating

What Repeats

The signals clients mention again and again.

Buyer accuracy

More relevant accounts, contacts, and campaign inputs.

Reliable execution

Infrastructure, data, and workflows built with care.

Clear communication

Direct updates throughout delivery and handoff.

Measurable movement

Work designed to improve a real GTM constraint.

Evidence Standard

Specific feedback is more useful than a polished story with no source behind it.

Advazon presents the record, the service category, and the relevant context.

Your Turn

Bring the GTM constraint. Build the next clear result.

Start with a focused strategy conversation about the layer that needs attention now.

Book a strategy call