OpenServed

Best Lead Generation Agencies (2026) – Ranked by Case Studies

Arctic Air Conditioning Client-verified
Lead Generation
Home Services
51-200 Employees
N/A
Old Bridge, NJ
N/A
  • $81,219 in additional revenue from a $5,500 investment
  • 100 additional booked jobs in one year
  • 29% of phone calls flagged for lead recovery
Lead Generation
SaaS
1K-5K Employees
N/A
Lake Mary, FL
N/A
  • 988 outbound SQLs over 33 months
  • $57.6M in pipeline value within two years
  • $836,000 in closed annual recurring revenue
  • 138 SQLs in the first 90 days
Lead Generation
Software Development
501-1K Employees
N/A
Santa Clara, CA
N/A
  • 1,300+ meetings with key decision-makers
  • Average lead score of 8.89/10
  • 28 SDRs hired by Couchbase from memoryBlue
  • Public sector accounts engaged (FAA, Raytheon, DHS, USMC, NOAA)
Lead Generation
Software Development
501-1K Employees
N/A
Santa Clara, CA
N/A
  • 10 memoryBlue SDRs converted to full-time employees
  • Converted reps now carry multi-million-dollar quotas
  • Best year and best Q1 ever, per Couchbase
Lead Generation
SaaS
1K-5K Employees
N/A
Mississauga, Canada
N/A
  • Through a deeply embedded partnership, we redefined how marketing functioned—bridging siloes, accelerating execution and preparing the enterprise for…
Lead Generation
Finance
10K+ Employees
N/A
Amsterdam, Netherlands
N/A
  • The campaign positioned ING as a sustainable finance leader, attracting key stakeholders and underscoring ING’s expertise in sustainability finance…
Lead Generation, Branding
Technology
1K-5K Employees
N/A
N/A
N/A
  • Supercharging B2B Lead Generation With Hybrid-ABM
  • Over the course of the campaign, Riverbed achieved 105% of its quarterly revenue goal.
  • The campaign generated an astounding $6.7 million in net-new revenue, showcasing an impressive 18% year-over-year growth.
Lead Generation
Manufacturing
N/A
N/A
N/A
N/A
  • About 50% less manual work
  • Estimated 25% increase in monthly productivity
  • ~90% of tickets created through automated forms
Lead Generation
Healthcare
N/A
N/A
N/A
N/A
  • 100% sales adoption in HubSpot
  • CRM cleanup and standardization for streamlined sales and marketing
Lead Generation
Professional Services
N/A
N/A
N/A
N/A
  • 183 new MQLs from a conference digital overlay
  • High engagement at an in-person event
PPC, Lead Generation
Roofing
N/A
N/A
N/A
N/A
  • Conversions 3 to 12 per month (+300%)
  • Revenue $27K to $108K (15.4x to 37x ROAS)
  • Clicks 3,331 to 3,541
  • Results in 2 months
PPC, Lead Generation
Landscaping
N/A
N/A
N/A
N/A
  • Leads 4 to 40+ per month (10x)
  • Cost per acquisition $1,165 to $111 (-75%)
  • Revenue $3,200 to $36,000
  • Results in 3 months
PPC, Lead Generation
Healthcare
N/A
N/A
N/A
N/A
  • Qualified calls 155 to 229 (+48%)
  • Ad spend $10,717 to $10,594
  • Annual revenue $31,000 to $45,800 (4.32x ROAS)
  • Results in 3 months
Lead Generation, Content Marketing
Flooring
N/A
N/A
N/A
N/A
  • Annual sales from about $350,000 to a best year of $1.2M
  • Over a decade of association advertising
  • Next goal: $2M
Email Marketing, Lead Generation
Healthcare
N/A
N/A
N/A
N/A
  • E-newsletter ranks among the top three member benefits
  • Open rates above 50% every year
  • Steady non-dues revenue from advertising
Email Marketing, Lead Generation
Real Estate
N/A
N/A
N/A
N/A
  • Non-dues revenue +350% YoY
  • 40+ active advertisers across retargeting, web and email
  • Newsletter open rate 75% (3x industry average) and 21% click rate
Content Marketing, Lead Generation
Food & Beverage
10K+ Employees
N/A
Minnetonka, MN
N/A
  • Interactive product spotlight promoted to Prepared Foods and Beverage Industry readers
  • Higher website engagement
  • More high-quality leads and analytics for next campaigns
Content Marketing, Lead Generation
Non Profit
N/A
N/A
N/A
N/A
  • Magazine revived in 2023 after a hiatus since 2020
  • Custom eMagazine experience
  • Delivered to The NEWS and Engineered Systems audiences plus the member list
  • Analytics data and qualified leads from issue deployment
Content Marketing, Lead Generation
Construction Technology
N/A
N/A
N/A
N/A
  • Nearly 900 qualified leads from a co-branded eBook
  • eBook sent to the Engineering News-Record subscriber list
  • Repositioned from legal tech to a field-focused construction tool
Lead Generation, Email Marketing
Real Estate
N/A
N/A
Estero, FL
N/A
  • $700M in revenue generated
  • 2,000+ appointments tracked and 100+ deals attributed
  • 43% of revenue driven by digital leads
Lead Generation, Email Marketing
Senior Living
N/A
N/A
Naples, FL
N/A
  • Connected event marketing across email, social and landing pages to the full buyer journey in HubSpot
  • Three Life Plan campuses in Naples, FL
Web Design, Lead Generation
Non Profit
N/A
N/A
N/A
N/A
  • New website with grant, donation and scholarship management centralized in HubSpot
  • Replaced disconnected tools and manual spreadsheets with automated workflows
Lead Generation
Professional Services
N/A
N/A
N/A
N/A
  • 3x return on the marketing campaign (per the client's marketing director)
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
Lead Generation, Email Marketing, Social Media Ads
Non Profit
N/A
N/A
N/A
N/A
  • 95,020 impressions to new movers over a 4-month campaign (4.8x increase)
  • Website visits attributed through QR codes and a lift in weekly attendance
  • Five East Bay church locations
Lead Generation
Fintech
N/A
N/A
N/A
N/A
  • +250% sales team efficiency
  • +70% lead management efficiency
  • 100% visibility into the customer journey
  • 100% visibility into lead tracking across channels
Lead Generation, Email Marketing, Social Media Ads
Technology
10K+ Employees
N/A
Frankfurt, Germany
N/A
  • +354% nurturing email click-through rate
  • 33.3% nurturing email click rate and 32.1% open rate
  • First closed deal attributed to the program
  • 100%+ return on ad spend and on combined agency and software spend
  • Positive ROAS within the first 6 weeks
Content Marketing, Lead Generation, Email Marketing
Manufacturing
N/A
N/A
San Marcos, TX
N/A
  • +641% increase in qualified leads
  • 125K+ website visitors per month
  • HubSpot integrated with Microsoft Dynamics CRM
  • Content serving both B2C homeowners and B2B trade audiences
Lead Generation
SaaS
N/A
N/A
Atlanta, GA
N/A
  • 11% increase in average closed-won deal size
  • 17% projected year-over-year revenue growth
  • 65% reduction in ticket resolution time
Lead Generation
Marketing
51-200 Employees
N/A
N/A
N/A
  • 49% projected year-over-year revenue growth
  • 29% increase in average closed-won deal size
CRO, Lead Generation
SaaS
N/A
N/A
Atlanta, GA
N/A
  • 42% lift in sitewide conversion rate in four months
  • About 90 net-new monthly leads
  • No disruption to SEO performance
Lead Generation, Email Marketing, PPC
Manufacturing
1K-5K Employees
N/A
Nashville, TN
N/A
  • #1 ad recall rate in the industry two years running
  • 281 new marketing-qualified leads
  • 10,000 page views across 3 new websites in month one
  • 100% growth in social media across all platforms
Branding, Email Marketing, Lead Generation
Manufacturing
5K-10K Employees
N/A
Chicago, IL
N/A
  • 70% lift in sales
  • New sales cycle of 26 days, compared to 24 months
  • More RFQs in the first 3 months than the entire previous year
Email Marketing, Lead Generation, Content Marketing
Manufacturing
10K+ Employees
N/A
Benton Harbor, MI
N/A
  • $2.1 million in additional product sales in the first year
  • 30,000+ MQLs, 68% deemed qualified by sales reps
  • Leads +57% year over year
  • 10% average CTR, nearly 5x the industry average
PPC, Lead Generation
Manufacturing
N/A
N/A
N/A
N/A
  • 50% decrease in cost per lead
  • 2x increase in click-through rates
  • 50% increase in lead volume and calls
PPC, CRO, Lead Generation
Fintech
201-500 Employees
N/A
Lehi, UT
N/A
  • 7.12x increase in qualified leads
  • 117% decrease in cost per lead
  • Exceeded annual MQL targets (100%+)
  • 2x increase in loan application rate
SEO, Lead Generation, Content Marketing
Landscaping
N/A
N/A
N/A
N/A
  • 9x increase in monthly qualified traffic
  • 6x increase in keywords in top 3 positions
  • 8x increase in keywords in top 4-10 positions
  • 2x increase in brand recognition
Social Media Ads, Lead Generation
Legal Tech
51-200 Employees
N/A
Houston, TX
N/A
  • $4,340 in ad spend generated 2,711 clicks
  • 2.65% CTR, well above the LinkedIn average
  • $1.60 cost per click
  • $123 cost per lead
PPC, Lead Generation
Finance
N/A
N/A
N/A
N/A
  • Cost per SQL down 75%+, from $1,000-$1,500 to $250-$300
  • YouTube subscribers up 33%, to about 40K from under 30K
  • 18+ months of compounding performance
Social Media Ads, Lead Generation
Technology
501-1K Employees
N/A
Sunnyvale, CA
N/A
  • $71 average cost per lead on LinkedIn Message Ads
  • 39% lead form completion rate
Lead Generation
Dental
N/A
N/A
N/A
N/A
  • 35.2x return on investment
  • $172,873 revenue generated
  • 212 leads, 35% chat-to-lead conversion rate
Social Media Ads, Lead Generation
Fitness
N/A
N/A
Huntington Beach, CA
N/A
  • 17.3x return on ad spend
  • $107,638 trackable revenue
  • 810 leads generated
Content Marketing, Lead Generation
Veterinary
N/A
N/A
N/A
N/A
  • 92% share of all site impressions from the blog
  • 13.9x return on investment on LiveChat
  • $18,796.75 booked revenue from LiveChat
Content Marketing, Email Marketing, Lead Generation
Industrial
51-200 Employees
N/A
Palatine, IL
N/A
  • 51% increase in organic traffic and 73% increase in blog traffic
  • 61% increase in new leads
  • LinkedIn training for sales: 353% more interactions and 424% more shares
  • 300% increase in new contacts
Content Marketing, Email Marketing, Lead Generation
Professional Services
501-1K Employees
N/A
Livonia, MI
N/A
  • 100% increase in sales qualified leads (SQLs)
  • 90% increase in monthly website visits
  • 98% increase in webinar registrations
  • 72% increase in monthly blog views
  • Book launch hit #1 New Release on Amazon in two categories
Content Marketing, SEO, Lead Generation
Technology
N/A
N/A
Ann Arbor, MI
N/A
  • 357 new form submissions for content downloads
  • 82% increase in organic traffic
  • 86% increase in time on page
  • 31% increase in keyword ranking and 20% average content conversion rate
Social Media Ads, Lead Generation, Content Marketing
Real Estate
N/A
N/A
N/A
N/A
  • 50% of units sold
  • 100-150 qualified leads per month
  • 1M+ people reached
  • 4.5M+ ad impressions
  • 2,178+ website registrations
Content Marketing, Social Media Ads, Lead Generation
Real Estate
N/A
N/A
N/A
N/A
  • 114% growth in monthly ad reach
  • 74% increase in monthly ad engagement
  • 100,000+ people reached per month on average
Social Media Ads, Lead Generation, Content Marketing
Healthcare
N/A
N/A
N/A
N/A
  • 59+ qualified leads per month
  • 107% increase in leads from the initial campaign
  • 259% increase in leads (April to May)
  • 11+ year partnership
Content Marketing, Lead Generation
Fintech
N/A
N/A
N/A
N/A
  • 744 leads secured through PowerPlay campaigns (150+ top-tier prospects)
  • 100 new qualified leads from one PowerPlay
  • 31 completed lead conversions from LinkedIn content
  • 36,000 impressions with C-suite executives at Fortune-500 retailers
Content Marketing, Lead Generation
Fintech
N/A
N/A
N/A
N/A
  • Banking Regulatory Index launched as a thought-leadership and lead-generation asset
  • Content aimed at bankers, regulators and community financial institutions
Lead Generation, PPC, Content Marketing
Education
N/A
N/A
N/A
N/A
  • 591 media mentions over 9 months
  • 2,375 leads generated
  • 245 teachers applied (max avg cost $205 per application)
  • 21 teachers hired (max avg cost $710 per teacher)
  • 6,602,651 impressions
Lead Generation
Home Services
51-200 Employees
N/A
Nazareth, PA
N/A
  • Total revenue up 69.7% within one month
  • Ticket value of identified leads 27.8% above average
Lead Generation
Automotive
N/A
N/A
Sterling, VA
N/A
  • Identifies about 4,500 website visitors per month
  • In Q2, sales up 1.55% and service up 5%
PPC, Lead Generation
Automotive
N/A
N/A
Boerne, TX
N/A
  • New and used sales up 60% while cutting advertising costs
  • Nearly 19,000 units sold
PPC, Lead Generation
Construction
N/A
N/A
New Jersey, United States
N/A
  • 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
Web Design, Social Media Ads, Lead Generation
Home Services
N/A
N/A
N/A
N/A
  • Hundreds of inbound leads within the first 90 days
  • $60,000-$100,000 in new revenue
  • From zero inbound lead generation to consistent daily inquiries
  • Automated Google review requests driving social proof
PPC, Local SEO, Lead Generation
Construction
N/A
N/A
N/A
N/A
  • $16,600 total ad spend (April-October 2023)
  • 107 leads and 393 inbound phone calls
  • $68.06 cost per conversion vs. a $150 target
  • 1,900 website clicks
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
Lead Generation, Content Marketing
Manufacturing
N/A
N/A
N/A
N/A
  • 35% YoY increase in website engagements
  • 81% YoY increase in form submissions
  • 37% YoY increase in downloads
Branding, Content Marketing, Lead Generation
Manufacturing
N/A
N/A
N/A
N/A
  • #1 in all six dealer satisfaction categories
  • 2.4M impressions
  • 4,600 downloads
  • 300 leads
Content Marketing, Lead Generation
Manufacturing
N/A
N/A
Tipp City, OH
N/A
  • 300% increase in website traffic
  • 155% increase in new leads
  • 35% decrease in time to close a sale
  • 8% increase in close rate from new leads to customers
  • YouTube channel at nearly 3,000 subscribers
SEO, Lead Generation, Content Marketing
Manufacturing
11-50 Employees
N/A
Fredonia, WI
N/A
  • 66% increase in high-quality lead generation in 4 years
  • 800% increase in high-intent organic keyword rankings
SEO, PPC, Lead Generation
Manufacturing
N/A
N/A
Reading, PA
N/A
  • 726% ROI on digital marketing program
  • 317% ROI on digital advertising program
Lead Generation, Social Media Ads
Real Estate
1-10 Employees
N/A
New York, NY
N/A
  • 464 qualified leads in 15 days at $0.52 per lead
  • Facebook lead generation campaign run on a $239/month budget
SEO, GEO, Lead Generation
Healthcare
N/A
N/A
Monticello, GA
N/A
  • Active users up 2,534% and total views up nearly 2,000% in a year
  • #1 for "12 traits of a narcissist" and top 3 for "adjustment disorder"
  • Google organic became the top traffic source at 51%
  • 15% visibility score across ChatGPT, Perplexity and Gemini
  • 53 form starts at a 2.97% conversion rate
PPC, Social Media Ads, Lead Generation
Construction
N/A
N/A
Wall Township, NJ
N/A
  • $15M+ in gross revenue from new customers in 7 months on a $2,500/month ad budget
  • $1M in customer gross revenue within the first 30 days
Lead Generation
Education
201-500 Employees
N/A
Anaheim, CA
N/A
  • 80+ hours of weekly workflow efficiencies gained
  • Unified marketing vision across five campuses
Web Design, SEO, Lead Generation
Construction
501-1K Employees
N/A
Daytona Beach, FL
N/A
  • 4x return on investment
  • New users up 191%
  • Organic sessions up 39%
PPC, Lead Generation
Healthcare
N/A
N/A
Canada
N/A
  • 181% increase in leads
  • 155% increase in paid media traffic acquisition
  • Target CPA maintained despite rising costs
PPC, CRO, Lead Generation
Automotive
N/A
N/A
Los Angeles, CA
N/A
  • 120% increase in high-value leads
  • 33% decrease in cost per acquisition
  • 35% increase in paid traffic acquisition
  • 62.7% increase in conversion rates
PPC, SEO, Lead Generation
Home Services
N/A
N/A
Fredericksburg, VA
N/A
  • 336% more leads than predicted, even on a reduced budget
  • 71% lower cost per lead than expected
  • 24% lead conversion rate, over 4x the 3.37% industry average
  • 20-50% more new clients per month from website search traffic
PPC, SEO, Lead Generation
Home Services
N/A
N/A
Henrico, VA
N/A
  • 66% increase in hardscape installations, from 12 to 20 jobs in a year
  • 294% more leads than predicted from search
  • Average 25% lead conversion rate, over 6x the 3.37% industry average
  • PPC cost per lead 63% below projections
  • About 4x as many new customers as projected at a 50% close rate
PPC, Lead Generation
Home Services
N/A
N/A
Centreville, VA
N/A
  • 171+ calls from Google Search Ads
  • 112+ conversions via Google Search Ads
  • 100+ calls from Local Services Ads (June 1 to Sept 14)
SEO, PPC, Lead Generation
Cyber Security
N/A
N/A
Atlanta, GA
N/A
  • Conversion actions via Google Ads +200% (+300% in the last quarter)
  • Organic traffic +37% YoY
  • Users +35% since SEO began
PPC, Social Media Ads, Lead Generation
Senior Living
N/A
N/A
California, United States
N/A
  • Average occupancy from 71% to 89% in 7 months
  • 4.2x return on ad spend
  • Cost per lead -63.8%
  • 500 qualified leads
  • HubSpot CRM implemented across three communities
SEO, PPC, Lead Generation
Coaching
N/A
N/A
N/A
N/A
  • 1,200+ leads in six months
  • Organic website traffic +75%
  • Conversion rate +35%
  • Cost per lead -28%
  • Lead volume +42%
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
PPC, Lead Generation
Insurance
N/A
N/A
N/A
N/A
  • $453K gross profit in H2, up 40% from $322K
  • 135% gross profit growth, August to September
  • 5-7 new creatives tested every week
PPC, Lead Generation
Manufacturing
N/A
N/A
N/A
N/A
  • 65% increase in clicks
  • 62% improvement in click-through rate
  • 40% increase in conversions
Web Design, Web Development, Lead Generation
Sporting Goods
N/A
N/A
Calhoun, GA
N/A
  • Restructured sitemap and navigation around user needs
  • Lead generation forms added to key pages
  • Filterable projects section by location, sport, facility and product

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