Struggling with bad CRM data and low reply rates? We combine AI tools with manual data mining to deliver 98%+ accurate custom B2B lead lists. Turn your ideal customers into verified prospects for your sales outreach.
Marvel Technologies is a data services agency specialized in Prospect List Building, Lead Generation, Data Mining, Market Research, AI-Powered Lead Generation, Data Entry, Data Scraping, Company Research, Data Enrichment, List Building, and verified Email List Building.
We work with businesses across all industries worldwide to build custom prospect lists based on your target industry, job title, company size, and location.
Key Services:
Lead Generation
List Building
Prospect List
Contact List
Email List
Sales Lead List
CRM Cleanup
Data Mining
Data Cleaning
Data Enrichment
Data Collection
Data Processing
Market Research
Online Research
Company Research
Lead Research
Data Entry
Web Scraping
LinkedIn Sales Navigator
LinkedIn Lead Generation
Administrative Support
Key Deliverables
- Generated over 9.5 Million+ B2B Contacts and Emails through advanced Data Collection, AI-Assisted Data Enrichment, List Building, Data Processing, and Data Cleaning for quality and accuracy.
- Built, segmented, and maintained 12.5 Million+ business contacts and Prospect Lists with robust Contact Research, with validated and verified information, at a sustained 98%+ deliverability rate verified through ZeroBounce.
Our Comprehensive Services
- Lead Generation and B2B Lead Generation: Strategic development of highly segmented Prospect Lists, Data Extraction, and Sales Lead Lists for B2B Marketing, Sales, and Outbound Sales growth.
- Email Marketing and Email List: Achieving superior Email Communication and campaign success with high-accuracy verified Contact Lists, verified by Zerobounce, and following best practices in Email Marketing and Email List Verification.
- Data Cleaning and Data Processing: Maintaining CRM health & hygiene, we do rigorous Data Validation, Data Cleanup, and regular Data Enrichment to ensure every Contact List and Email List is updated. Use of Clay, Apollo, etc.
- Data Mining and Market Research: Leveraging Online Research, Company Research, Competitive Analysis, and insight-driven B2B Marketing to produce actionable Sales strategies.
- Lead Nurturing and Lead Enrichment: Support for Sales, B2B Sales, and Marketing with compelling Lead Nurturing solutions and Lead Generation Strategy to maximize lead conversion
- Administrative Support: Driving team efficiency and supporting business scaling with reliable Admin Support and Virtual Assistance.
- Data Entry and Data Scraping: Thorough manual and automated Web Scraping to populate Contact and Company data. Use of Apify, Phantombuster, Beautifulsoup, etc.
Industry-Specific Contact Lists
Benefit from custom, quality-verified lists for:
- CxOs, Startup Founders, E-Commerce Executives, Educators, Healthcare Leaders, Manufacturing Professionals, IT & Tech Specialists, Real Estate Contacts, Event Organizers, General Contractors, Plumbers, HVAC, and more
- Data and lists are segmented by job title, function, company size, sector, geography, and more, optimizing your outreach for B2B Sales, Marketing Strategy, and Research initiatives.
- All work incorporates LinkedIn Lead Generation and LinkedIn Sales Navigator for superior targeting, accuracy, and lead quality.
Why Choose Us?
- 15+ years in B2B Lead Generation, Data Entry, Data Enrichment, and List Building or List Builder with a history of delivering validated, accurate, and quality-driven contact databases.
- A skilled team of more than 20 professionals in Online Research, Market Research, Data Scraping, and Administrative Support, trusted by businesses for reliable Prospect Research and Prospect List development.
- Commitment to On-Time Delivery, verified data accuracy, and superior quality through regular Data Cleaning, verified List Building, and high-standard process adherence
- Comprehensive Lead Generation Strategies supported by CRM and B2B Marketing, ensuring every database is ready for Sales and Marketing use
- Advanced Web Crawling, Web Research, Internet Research, Email List Generation, and Virtual Assistance for continuous support to Sales and Marketing pipelines
Trust us for your Lead Generation, List Building, Data Enrichment, Data Entry, Data Scraping, Deep Research, Outbound Prospecting, Target Account List, AI-based Ideal Customer Profile (ICP) and Total Addressable Market (TAM) Research, Niche Contact Research, CRM Deduplication, HubSpot Data Management, Contact Segmentation, Sales Operations and Revenue Operations Support, Go-to-Market Support, GTM Research, Campaign List Preparation, Contact Discovery, B2B Contact Sourcing, Email Sourcing, Lead Qualification, MQL Support, SQL Support, Local Business Database, Data Deduplication, List Segmentation, Prospect Validation, Contact Verification, and all effective outreach and accuracy with your marketing goals.
Thiyagu S.
Expert in Admin Support, Web Research | Web Scraping | Data Entry
Coimbatore, India
$10/hr$10 per hour4.7 (1) 3 jobs $44 total earnings
Hi, I'm Thiyagu, I hold a Master’s degree in Computer Science and lead a team of highly skilled professionals who work diligently to deliver top-notch support services for clients worldwide. I am a seasoned professional with over 20 years experience.
What I Can Help You With:
• Web Research & Data Collection
• Web Scraping
• Virtual Assistance & Admin Support
• Accounting Support & Bookkeeping
• Data Entry & Data Conversion, Reporting
• MS Office (Excel, Word, PowerPoint) Expertise
• SEO, Link Building, and Article Submission
• Classifieds Management
My team and I operate on a 24x7 schedule and ensure every project is handled with attention to detail, confidentiality, and utmost professionalism. We take pride in our 99.99% accuracy rate, timely delivery, and excellent communication skills to understand and exceed client expectations.
Why Choose Me?
• 20+ years of hands-on industry experience
• Dedicated and organized team
• Accurate, reliable, and deadline-oriented
• Strong quality control and client satisfaction focus
• Fluent communication and quick response time
• Maintain Turn-around Time (TAT)
My goal is simple: Deliver excellence, build trust, and establish long-term partnerships with my clients.
Thank you for visiting my profile!
Best Regards,
Thiyagu
# Top Rated B2B Lead Generation Specialist | Contact Research | Verified Email Lists
Are you looking for an experienced and reliable **B2B Lead Generation Specialist** who can deliver **verified decision-maker contact lists** with high accuracy?
I'm a **Top Rated Upwork freelancer** with **8+ years of experience** helping sales teams, agencies, recruiters, and founders build high-quality prospect lists that generate real business opportunities.
## My Services
✔ B2B Lead Generation
✔ Prospect & Contact List Building
✔ Verified Email List Building
✔ LinkedIn Sales Navigator Research
✔ Web Research & Data Mining
✔ CRM Data Enrichment & Data Cleaning
✔ Company & Market Research
✔ Real Estate Lead Generation
✔ Data Entry & Database Management
## Every Lead List Includes
• Decision-maker name & job title
• Verified business email address
• LinkedIn profile URL
• Company name & website
• Industry & employee size
• Location
• Phone number
## My Process
I start by understanding your **Ideal Customer Profile (ICP)** and target market, then use premium data sources to identify the right prospects, verify every email, and deliver clean, CRM-ready contact lists.
## Industries I Serve
• SaaS & Software
• Digital Marketing Agencies
• Healthcare & MedTech
• Real Estate & PropTech
• Manufacturing & Industrial
• Staffing & Recruitment
• Financial Services
• Consulting Firms
• Home Service Businesses
• Startups & B2B Companies
## Premium Tools I Use
• LinkedIn Sales Navigator
• Apollo
• ZoomInfo
• Clay
• Crunchbase
• RocketReach
• Hunter
• NeverBounce
• ZeroBounce
## Why Clients Choose Me
⭐ Top Rated Upwork Freelancer
⭐ 8+ Years of Lead Generation Experience
⭐ 300+ Successfully Completed Projects
⭐ Accurate, Verified & Well-Organized Data
⭐ CRM-Ready Deliverables (HubSpot, Salesforce, Pipedrive, Notion)
⭐ Fast Delivery & Clear Communication
⭐ Free Sample List Before You Order
My goal is simple: **help you reach the right decision-makers with clean, verified, and actionable data that supports your sales and marketing efforts.**
If you need **B2B Lead Generation, Contact Research, Email List Building, LinkedIn Research, Web Research, Data Enrichment, or CRM-ready prospect lists**, feel free to send me a message.
**I'd be happy to discuss your project and provide a free sample list based on your target criteria before we get started.**
Tharani R.
AI Content Quality Analyst | Content QA | Research Validation & Editor
Coimbatore, India
$12/hr$12 per hour4.7 (246) 473 jobs $60K+ total earnings
Helping companies improve content quality, accuracy, compliance, and trust through expert editorial review, AI content evaluation, and quality assurance.
With over 14 years of professional experience spanning content operations, media monitoring, editorial review, research validation, and quality assurance, I help organizations ensure that their content meets the highest standards of accuracy, clarity, consistency, and brand alignment.
I have worked with global teams across publishing, marketing, media intelligence, digital content, and AI training projects, reviewing thousands of pieces of content while maintaining strict quality benchmarks and operational excellence.
My background includes leadership experience at Cognizant, where I managed media monitoring and content analysis operations, as well as extensive freelance experience supporting clients worldwide through Upwork.
Areas of Expertise:
✓ AI Content Evaluation & Quality Review
✓ Human Review for AI-Generated Content
✓ Content Quality Assurance (QA)
✓ Fact-Checking & Research Validation
✓ Editorial Review & Proofreading
✓ Content Accuracy Audits
✓ Brand Safety & Content Compliance
✓ Media Monitoring & Sentiment Analysis
✓ Content Moderation & Classification
✓ Data Annotation & Quality Control
✓ Knowledge Base Review
✓ SEO Content Quality Assessment
✓ Editorial Workflow Improvement
What I Deliver:
• Detailed content quality reviews
• Error identification and correction
• Accuracy and consistency checks
• Editorial recommendations
• AI output evaluation and scoring
• Research verification
• Content compliance assessment
• Structured quality reports
• Process documentation and quality guidelines
Why Clients Work With Me:
✔ Top Rated Freelancer
✔ 100% Job Success Score
✔ 400+ Successfully Completed Projects
✔ $60K+ Earned on Upwork
✔ Strong Corporate and Freelance Experience
✔ Reliable Communication
✔ Consistent Quality Delivery
✔ Detail-Oriented Approach
If you're looking for an experienced professional who can help improve content quality, evaluate AI-generated outputs, validate research, and maintain editorial excellence, I would be happy to discuss your project.
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