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Testimonials and Reviews

Read what our clients have had to say.
Darren T. Kavinoky, ESQ

Darren T. Kavinoky Esq.

Founder, 1.800.NoCuffs & The Kavinoky Law Firm | Legal Analyst | Interventionist | Host of Deadly Sins

Jason was key player at The Kavinoky Law Firm (NoCuffs.com/800NoCuffs/DarrenKavinoky.com/CaliforniaDUIHelp.com). He developed our marketing strategy and vision. For the first time we were able to track our marketing efforts and optimize them for the highest return. He optimized the complete marketing and sales funnel from the call center through case closure.

Through his analysis we were able to drastically cut spend on PPC and still maintain the same qualified lead levels, adjust our pricing model, eliminate unprofitable geographies, optimize our landing pages. Jason also helped us with search engine optimization and start to recover from the Google algorithm updates that we had been penalized by.

Jason was also a key player in launching TV and Radio for KLF. Working together we identified a media buyer, created the copy for the commercials, hired a production crew to film the commercial, and tracked the commercials success. TV and Radio is now one of our best lead drivers.

I would suggest to anyone that they should hire Jason for their marketing needs.


Pierre Vudrag

President, CEO of LimitedRuns.com
Marketing by Data has been an integral part of Limited Runs’ launch and ongoing business. From helping to create our marketing strategy, building the technical design of our website for optimal user experience, launching and managing our campaigns, establishing reports and analytics, to generating search engine traffic through SEO.

Marketing by Data services has been an invaluable and integral part of our development and growth, much more that we could have imagined. I highly recommend and encourage everyone to use their services.

Limited Runs Logo
Juan Francisco lll Mango Tours

Mango Tours

Juan Francisco lll, VP, MangoTours.com

Jason and Marketing by Data were a key player in our website redesign, SEO technical restructure, email marketing optimizations, and helping us develop and understand our reports. Since the re-launch of our website we have had a large increase in traffic and sales. He launched a few PPC campaigns and coached us on how to manage them. We were able to increase the sales of a specific tour package 10%. I highly recommend Marketing by Data to anyone in need of increasing their marketing sales.

We have seen a clear cut night and day difference with the metrics on our email campaigns. Prior to working with Jason we thought we could only send one email per week to maximize our open rate and keep the unsubscribe rate low however after Jason instructed us to shorten our subject lines and keep the CTA always above the fold in the email we have been able to send three weekly email newsletters and our average open rate increased by 35%.

Numbers don’t lie and our Google Analytics after working with MBD show a 20% increase in organic web traffic.  During our extensive website redesign, had we not worked with the MBD team we would have overlooked simple things that would have caused us huge headaches such as 301 redirects and creating a more advanced UI sitemap

Nicole Rodrigues

Owner of NRPRGroup.com
Jason is extremely smart and a huge asset to my agency. He’s my go-to for all things SEO, web and just about everything else that has to do with building my presence online and making it all cohesive. Marketing By Data is the best. Hands down!

Nicole Rodrigues - Owner NRPR Group
Pixellent Design Logo Package Designer and Brand Development Company

Pixellent Design

Anna Kernbaum, Creative Director, pixellentdesign.com
Jason’s SEO skills are apparent from the beginning. He is passionate about his work, and his advice on how to structure my website was invaluable. His continued help is absolutely priceless. He not only helped me with my website, but gave me advice on how to design my mobile site differently to make it more user friendly and easy to navigate.

I would highly recommend Jason for SEO and online marketing services any day!

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