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Sales & Marketing Web / Digital Marketing

B2B Email List Building Services

$25/hr Starting at $500

Looking for B2B Email List Building Services that deliver accurate, verified, and conversion-ready leads?


YES IT Labs LLC dba Top Guru Assistants provides targeted email list building and lead generation solutions designed to help you reach the right audience, improve outreach performance, and grow your sales pipeline. Our approach follows top-performing Guru.com standards - enhanced with precision targeting, manual verification, and data-driven accuracy.


Our Expertise

  • B2B email list building & lead generation

  • Targeted prospect research (industry, job role, location)

  • Verified email list creation & data enrichment

  • LinkedIn lead generation & contact extraction

  • Email database building & contact sourcing

  • CRM-ready lead lists (CSV, Excel formats)

  • Data mining, web research & prospect identification

  • Bulk email list building for campaigns

  • Email validation & data cleansing


What We Build

  • Targeted B2B email lists for outreach campaigns

  • LinkedIn-based prospect databases

  • Industry-specific contact lists (CEOs, founders, decision-makers)

  • Geo-targeted business email databases

  • Startup, SMB, and enterprise lead lists

  • Email marketing-ready mailing lists

  • Niche-specific lead generation datasets


Key Features

  • 100% manually researched & verified leads

  • High email deliverability with low bounce rates

  • Accurate segmentation for precise targeting

  • GDPR-compliant and ethical data sourcing

  • Scalable solutions for small to large campaigns

  • Fast turnaround with strict quality checks

  • Conversion-focused data for better ROI


Tech Stack

  • Web research & data mining tools

  • LinkedIn Sales Navigator

  • CRM systems & Excel databases

  • Email verification platforms

  • Lead generation & automation tools


Why Choose Us

  • Proven expertise in B2B lead generation

  • Dedicated research team ensuring accuracy

  • High-quality, verified data with validation process

  • Customized lists based on your target audience

  • On-time delivery with scalable solutions

  • Transparent communication and ongoing support


Industries We Serve

  • SaaS & Technology

  • Marketing & Advertising

  • E-commerce & Retail

  • Finance & Consulting

  • Healthcare & Pharma

  • Real Estate & B2B Services


Let’s Grow Your Sales Pipeline

Ready to scale your outreach with high-quality B2B email lists?

Connect with YES IT Labs LLC dba Top Guru Assistants today and let’s build a targeted lead database that drives real business growth.


Simply click the "Get a Quote" button on the left of the page or top right of the page and share your requirements - we’d love to hear from you.

OR

📩 Prefer mail? Connect with us at TopGuruAssistants@gmail.com

📞 Give us a call or text at +1-(818) 334-4799

💬 You can also connect with us via Microsoft Teams


We’ll be happy to serve you!


Paul G

Strategy and Systems Lead

YES IT Labs LLC dba Top Guru Assistants | California

M: +1-818-334-4799

E: TopGuruAssistants@gmail.com

MS Teams: Live:TopGuruAssistants


YES IT Labs dba Top Guru Assistants is Top-rated on Guru.com with 99.9% Success rate, 370+ client testimonials, over 410 projects, and continuing to ‘Deliver with Commitment’.

About

$25/hr Ongoing

Download Resume

Looking for B2B Email List Building Services that deliver accurate, verified, and conversion-ready leads?


YES IT Labs LLC dba Top Guru Assistants provides targeted email list building and lead generation solutions designed to help you reach the right audience, improve outreach performance, and grow your sales pipeline. Our approach follows top-performing Guru.com standards - enhanced with precision targeting, manual verification, and data-driven accuracy.


Our Expertise

  • B2B email list building & lead generation

  • Targeted prospect research (industry, job role, location)

  • Verified email list creation & data enrichment

  • LinkedIn lead generation & contact extraction

  • Email database building & contact sourcing

  • CRM-ready lead lists (CSV, Excel formats)

  • Data mining, web research & prospect identification

  • Bulk email list building for campaigns

  • Email validation & data cleansing


What We Build

  • Targeted B2B email lists for outreach campaigns

  • LinkedIn-based prospect databases

  • Industry-specific contact lists (CEOs, founders, decision-makers)

  • Geo-targeted business email databases

  • Startup, SMB, and enterprise lead lists

  • Email marketing-ready mailing lists

  • Niche-specific lead generation datasets


Key Features

  • 100% manually researched & verified leads

  • High email deliverability with low bounce rates

  • Accurate segmentation for precise targeting

  • GDPR-compliant and ethical data sourcing

  • Scalable solutions for small to large campaigns

  • Fast turnaround with strict quality checks

  • Conversion-focused data for better ROI


Tech Stack

  • Web research & data mining tools

  • LinkedIn Sales Navigator

  • CRM systems & Excel databases

  • Email verification platforms

  • Lead generation & automation tools


Why Choose Us

  • Proven expertise in B2B lead generation

  • Dedicated research team ensuring accuracy

  • High-quality, verified data with validation process

  • Customized lists based on your target audience

  • On-time delivery with scalable solutions

  • Transparent communication and ongoing support


Industries We Serve

  • SaaS & Technology

  • Marketing & Advertising

  • E-commerce & Retail

  • Finance & Consulting

  • Healthcare & Pharma

  • Real Estate & B2B Services


Let’s Grow Your Sales Pipeline

Ready to scale your outreach with high-quality B2B email lists?

Connect with YES IT Labs LLC dba Top Guru Assistants today and let’s build a targeted lead database that drives real business growth.


Simply click the "Get a Quote" button on the left of the page or top right of the page and share your requirements - we’d love to hear from you.

OR

📩 Prefer mail? Connect with us at TopGuruAssistants@gmail.com

📞 Give us a call or text at +1-(818) 334-4799

💬 You can also connect with us via Microsoft Teams


We’ll be happy to serve you!


Paul G

Strategy and Systems Lead

YES IT Labs LLC dba Top Guru Assistants | California

M: +1-818-334-4799

E: TopGuruAssistants@gmail.com

MS Teams: Live:TopGuruAssistants


YES IT Labs dba Top Guru Assistants is Top-rated on Guru.com with 99.9% Success rate, 370+ client testimonials, over 410 projects, and continuing to ‘Deliver with Commitment’.

Skills & Expertise

B2B Email ListB2B Email MarketingB2B Lead GenerationContact List BuildingCRMData CollectionData EntryData MiningData ProcessingData ScrapingEmail CampaignsEmail HandlingEmail List BuildingEmail MarketingInternet ResearchLead GenerationLinkedin RecruitingLinkedin Sales NavigatorList BuildingsMarket ResearchMicrosoft ExcelProspect List BuildingProspect ListsVirtual AssistantsWeb Research

387 Reviews

  • Chris42 says,

    I have been working on this project for a while with Top Guru Assistants. They are always professional and timely with their work. I made a great decision going with them.

    for ios MP3 player that will play 10x speed on Apr 22, 2026

  • Pand says,

    YES IT Labs DBA Top Guru Assistants did an excellent job fixing and improving our CRM system. This company quickly identified the issues, implemented the required fixes, and ensured everything was running smoothly. Communication was clear, and the work was completed promptly. Highly recommended for CRM troubleshooting and Custom development project.

    for Quick CRM Fix Specialist on Apr 16, 2026

  • Matthew_Stubbs3 says,

    They are proactive, responsive, and technically strong across a wide range of tasks, and their support has been valuable to our daily operations. This team has also been supporting us with AWS management, DevOps activities, and general system administration for an extended period. They respond quickly to issues, maintain our environments efficiently, and ensure everything runs smoothly.

    for System Administrator on Feb 03, 2026

  • Matthew_Stubbs3 says,

    We have worked with this team for ongoing system administration and DevOps support, and they have been a dependable partner throughout. They manage our AWS infrastructure, handle deployments, and provide timely desktop and user support as needed.

    for System Administrator on Jan 29, 2026

  • Chris42 says,

    Top Guru Assistants has been amazing! I've worked with them for years on an extended project and they have been consistently excellent!

    for ios MP3 player that will play 10x speed on Dec 05, 2025

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