OpenServed

Best Lead Generation Agencies in the United States (2026) – Ranked by Case Studies

PPC, Lead Generation
Construction
N/A
N/A
New Jersey, United States
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  • 643 leads generated in 6 months
  • $12 cost per conversion
  • Coverage across New Jersey and Philadelphia
  • Higher click-through and conversion rates from optimized landing pages
Lead Generation, Social Media Ads
Non Profit
N/A
N/A
San Francisco, CA
N/A
  • 119,922 impressions vs. 18,923 previously (6.3x)
  • 2 ballot measures passed with an average 72% of the vote
  • 6 candidates elected
Content Marketing, Lead Generation
Manufacturing
N/A
N/A
Atlanta, GA
N/A
  • 265 average leads per month
  • 81,000 page views over a 4-month campaign
  • 1.4M impressions over 4 months
  • 23% increase in marketing attributed revenue
Social Media Ads, Lead Generation
Education
N/A
N/A
New York, NY
N/A
  • 14,000+ event signups in 90 days at 758% ROAS
  • ~10,000 emails by month 3 at 370% ROAS
  • 5,500 emails in first 30 days at 258% ROAS
  • $2M revenue from event ad campaigns
Web Design, Web Development, Lead Generation
Sporting Goods
N/A
N/A
Calhoun, GA
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  • Restructured sitemap and navigation around user needs
  • Lead generation forms added to key pages
  • Filterable projects section by location, sport, facility and product
Social Media Ads, Lead Generation
Fitness
N/A
N/A
Huntington Beach, CA
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  • 17.3x return on ad spend
  • $107,638 trackable revenue
  • 810 leads generated
SEO, PPC, Lead Generation
Manufacturing
11-50 Employees
N/A
Lisbon, OH
N/A
  • Over 30 valuable leads generated in 6 months
  • 3x ROI on sales from various channels
Web Development, Lead Generation
Real Estate
N/A
N/A
Newark, NJ
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  • Website built in 2 weeks
  • $117 per real estate lead
Web Design, Email Marketing, Lead Generation
Law Firm
N/A
N/A
Waukesha, WI
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  • ~350 contacts added to the house list
  • ~150 workshop registrations
PPC, Lead Generation
Aerospace
N/A
N/A
Washington, DC
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  • Retargeting demand exceeded the available supply of impressions
  • Strong advertiser renewals for the program
Web Design, SEO, Lead Generation
Home Services
N/A
N/A
Carol Stream, IL
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  • Leads from 2-3 per month to 60 per month
  • Geo-based micro-sites on RestorationMasterFinder.com
Lead Generation
Wellness
N/A
N/A
Austin, TX
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  • Marketing support for a boutique children's and family yoga school
  • Credited as pivotal to the school's local growth
SEO, Lead Generation
SaaS
51-200 Employees
N/A
New York, NY
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  • 2x uplift in performance
Lead Generation, PPC, Email Marketing
Landscaping
N/A
N/A
Tacoma, WA
N/A
  • 384 leads at an average cost of $117 per lead
Lead Generation
Senior Living
N/A
N/A
Duarte, CA
N/A
  • Databox integrated with HubSpot to align sales and marketing

Find the best Lead Generation agencies in your country