Our mission is to help businesses succeed by providing affordable and honest marketing that brings a large ROI. We believe that as a business, you should feel empowered to take your company to greater heights without having to worry about the marketing. Call for a free consultation at (616)481-2252.

What Makes Us Different

JSL Marketing is a digital marketing agency based in Dallas, TX with offices in Grand Rapids and Grand Haven, MI. Our founders, James & Sarah Leff decided it was time to open these new branches in order to reach their home state effectively, with solid marketing that works anywhere, even in West Michigan! Our agency specializes in web design, SEO, social media, and content marketing services to name a few.  At JSL Marketing, we take care of the marketing so you can get back to running your busin...


Employees: 6-20

Annual Revenue: $500,000 - $2M

Service Area: National

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Our Work

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What we do

  • Web Design
  • Web Development
  • Mobile Application Development
  • Pay-Per-Click
  • Search Engine Optimization
  • Social Media Marketing
  • Public Relations
  • Email Marketing
  • Content Marketing
  • Local Listing
  • Reputation Management
  • Branding/Positioning
  • Marketing Consulting/Strategy
  • Marketing Automation
  • Inbound Marketing
  • User Experience/User Interface
  • Video Production
  • Graphic Design
  • Digital Marketing

Who we work with

Types of Small Businesses We Work With
  • Generalists
Web Platforms We Support
  • WordPress
  • Drupal
  • Joomla!
  • Wix
  • Hubspot
  • Google Analytics
  • Active Campaign
  • Salesforce
  • AWS
  • HTML
  • Java
  • WooCommerce
  • Shopify
  • Mail Chimp
  • Constant Contact
Commercial Focus
  • b2b
  • b2c
Clients We Serve
  • Locally-focused small business owner (eg. Doctors, Lawyers, Restaurants)
  • Locally-focused franchisee
  • Small e-commerce business (i.e. less than $1MM in annual sales)
  • Medium or large e-commerce business (i.e. greater than $1MM in annual sales)
  • Medium or large national or international business


Retainer-based Budget
  • $1,000 - $2,000
  • per month
Project-based Budget
  • Starting at $2,500
  • per project
Reviews (1-3 of 3)

Amy Weatheread


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Very pleased with JSL and highly recommend.


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Great experience. The JSL team is easy with which to work, responsive to requests, and delivers on-time.


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We have been very pleased with the quality of work, communication and support from JSL Marketing. Their knowledge and expertise is top notch and we've seen great results with the SEO, content writing and forward thinking ideas.

Reviews (1-3 of 3)

Grand Rapids Location

Grand Rapids, Michigan 49503

(616) 481-2252

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Colin Mosier