OpenServed

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

Jumpfactor - MSP MarketingVisit Website →
Power Consulting (referral dependency) Client-verified
SEO, Lead Generation, Web Design
MSP
11-50 Employees
N/A
New York, NY
N/A
  • $10M in revenue unlocked
  • Broke out of 5-7% annual growth
  • 15-29 SQLs per month
Power Consulting (20x organic leads) Client-verified
SEO, Lead Generation, Web Design
MSP
11-50 Employees
N/A
New York, NY
N/A
  • $10M in lifetime revenue
  • 20x increase in organic leads
  • $6.3M recurring revenue plus $450K project revenue
  • 15-29 SQLs per month
Acceleration PartnersVisit Website →
CouponFollow (AP Brand Newsletter) Client-verified
Email Marketing, Lead Generation
Marketing
51-200 Employees
N/A
New York, NY
N/A
  • 30K+ newsletter recipients with a 56% open rate
  • +37% average revenue increase for participating brands
  • +13% average clicks and +10% average transactions for brands
Raymour & Flanigan
Lead Generation
Furniture
5K-10K Employees
N/A
Liverpool, NY
N/A
  • +131% new customer revenue period-over-period
  • $1.6M+ revenue driven at 9:1 ROAS
  • 60% of revenue from new customers
  • +19% AOV
Prose
Lead Generation
Beauty
N/A
N/A
New York, NY
N/A
  • +47% YoY revenue
  • 69% new customer rate
  • +80% YoY conversion rate
Outbound SystemVisit Website →
Tortoise Finance Client-verified
Lead Generation, Email Marketing
Finance
N/A
N/A
New York, NY
N/A
  • $200K+ net profit in 2 years
  • 4 new clients in 6 months
Wojo Media
Lead Generation
Marketing
11-50 Employees
N/A
Walden, NY
N/A
  • 31 meetings booked in 30 days with managed LinkedIn outreach
  • 165 replies across three LinkedIn campaigns
Lead Marvels
Lead Generation, Email Marketing
Marketing
11-50 Employees
N/A
Fishkill, NY
N/A
  • 120+ qualified leads in 12 months
  • $786K qualified pipeline built through cold email
  • 350+ Microsoft inboxes across 9 domains for consistent inbox placement
INSIDEAVisit Website →
AdLib Media Group Client-verified
Lead Generation
Marketing
1-10 Employees
N/A
New York, NY
N/A
  • 370% Deal creation growth
  • 73 Deals in a single week
  • 85.43% Pipeline in active deals
  • Reduced avg ticket resolution time
Sapper Consulting LLCVisit Website →
Intelligent Product Solutions (IPS) Client-verified
Lead Generation, Email Marketing
Software Development
51-200 Employees
N/A
Hauppauge, NY
N/A
  • More prospect introductions in 8 months than in the prior few years
  • Full sales pipeline from outbound email
Social BloomVisit Website →
Space Bar Studios Client-verified
Lead Generation, Email Marketing
Marketing
11-50 Employees
N/A
New York, NY
N/A
  • $800K in pipeline value generated in 3 months
  • 78 SQLs generated
  • 160 positive responses
The Pedowitz GroupVisit Website →
WeWork
Lead Generation
Real Estate
1K-5K Employees
N/A
New York, NY
N/A
  • 2X contract growth
  • 15+ global markets standardized
  • 3 platforms integrated
Verint
Lead Generation, Email Marketing
Technology
1K-5K Employees
N/A
Melville, NY
N/A
  • +15% increase in engagement rate
  • +20% increase in email engagement
  • 9 competitive battlecards built
Teledyne LeCroy
Lead Generation, Email Marketing
Manufacturing
501-1K Employees
N/A
Chestnut Ridge, NY
N/A
  • 30% marketing efficiency gain
  • 20% more new leads
  • 15% increase in pipeline conversion
  • 40% marketing productivity gain
BelkinsVisit Website →
CXR Agency
Lead Generation
Marketing
501-1K Employees
N/A
Brooklyn, NY
N/A
  • 50 appointments booked in 9 months
  • 120% avg. KPI rate achieved
Deluxe Modular
Lead Generation
Construction
11-50 Employees
N/A
New York, NY
N/A
  • $2M+ confirmed closed deals
  • 30+ appointments booked in 3 months
Semify
Lead Generation
Marketing
11-50 Employees
N/A
Rochester, NY
N/A
  • 54 appointments booked in 5 months
  • 56% cold email open rate
TexonicaVisit Website →
Kwik Learning
Social Media Ads, Lead Generation
Education
11-50 Employees
N/A
New York, NY
N/A
  • $1M+ revenue in under 10 months
  • 3.65x average ROAS against a 2x target
  • 5.12x ROAS at the end of the first three months
  • 20,000+ additional leads generated
Kuno CreativeVisit Website →
Transonic
Content Marketing, PPC, Lead Generation
Medical Device
N/A
N/A
Ithaca, NY
N/A
  • Over $25K in influenced revenue
  • 6% click-through rate vs. 0.78% B2B average
  • $5 cost per conversion vs. $24 B2B average
adQuadrantVisit Website →
General Assembly
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
memoryBlueVisit Website →
Deep Instinct
Lead Generation
Cyber Security
N/A
N/A
New York, NY
N/A
  • Meeting sit rate 7x higher than the previous agency
  • Sales-accepted lead targets exceeded during the pilot
  • Complex value proposition adapted for each buying level
Adapting SocialVisit Website →
Stacey Froelich Team
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
POLARISVisit Website →
Abacum
SEO, Lead Generation
SaaS
51-200 Employees
N/A
New York, NY
N/A
  • 2x uplift in performance

Find the best Lead Generation agencies in your state or region