John Coil

John Coil is a seasoned marketing executive with over 23 years of experience driving growth for brands across a wide range of industries. As CEO and hands-on personnel manager of DG6, John has built a reputation for delivering measurable results through data-driven strategies, innovative digital campaigns, and a deep understanding of SEO, content, and performance marketing.

Under John’s leadership, the company has helped businesses—from local startups to national enterprises—improve visibility, increase conversions, and scale sustainably. He’s known for blending technical SEO expertise with creative brand strategy, making sure every client gets a custom marketing solution designed to compete in today’s fast-moving digital landscape.

With a proven track record in building high-performing teams and delivering ROI-focused solutions, John Coil continues to lead DG6 as a trusted partner for companies looking to grow smarter and faster online.

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What clients say

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Matthew Lee
IT department
“My company’s Google rankings and overall site traffic improved dramatically after just a few months of working with this agency. The service we’ve received from their team has consistently been above and beyond our expectations.”
Matthew Lee
IT department
“My company’s Google rankings and overall site traffic improved dramatically after just a few months of working with this agency. The service we’ve received from their team has consistently been above and beyond our expectations.”
Georgina Nicholls
Executive Director
“Having many years of SEO experience ourselves, we know how hard it is to come up with a successful SEO strategy and an effectively integrate it within our work-frame. As our business continues to grow year after year, keeping track of our SEO strategy became very time-consuming and reduced our ability to focus on our core business.”
Georgina Nicholls
Executive Director
“Having many years of SEO experience ourselves, we know how hard it is to come up with a successful SEO strategy and an effectively integrate it within our work-frame. As our business continues to grow year after year, keeping track of our SEO strategy became very time-consuming and reduced our ability to focus on our core business.”
Summer Parkinson
Phlebotomist
“I have only been working with this agency for a few months but I would recommend them without hesitation. Their client support has been outstanding and they have exceeded all of my expectations. I have worked with many SEO companies but none of them can compare to them.”
Summer Parkinson
Phlebotomist
“I have only been working with this agency for a few months but I would recommend them without hesitation. Their client support has been outstanding and they have exceeded all of my expectations. I have worked with many SEO companies but none of them can compare to them.”
Lucy Parkinson
Airframe mechanic
“A great company that helps us translate likes, shares and comments into actual new business.”
Lucy Parkinson
Airframe mechanic
“A great company that helps us translate likes, shares and comments into actual new business.”