Digital Advertising

With 10+ years of experience in the advertising industry, Justine has the professional expertise to make sure that your ads are built with industry leading best practices

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Experience goes a long way.

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Justine Harrington
Founder, Solas Growth Consulting

→ Meet Justine

10+ years of experience helping small to medium sized businesses maximize ROI with smart and effective advertising.

I built my career working with top-tier marketing technology companies like WordStream (then the #1 Google Premier Partner), HubSpot, and Boston.com—and for the last 5 years, I've been running my own freelance marketing consultancy.

Across the hundreds of accounts and thousands of campaigns I’ve managed or advised on, I’ve consistently delivered results for clients in industries ranging from health and wellness to SaaS, retail, and professional services. Clients love working with me because I’m a strategic thinker who’s hands-on, proactive, and obsessed with results.

I specialize in:

🔍 Expert keyword and competitor research
✍️ Ad copywriting that gets clicks from the right customers
🛠️ Google Ads account structure built for long-term performance
📊 Ongoing optimization to improve cost-per-click and increase ROAS

I’m not just a numbers person. I’ve got a sharp eye for design, too. With a B.A. in Graphic Design from Providence College, and a UX Certificate from General Assembly, I make sure your ads don’t just convert—they’ll look great and be backed by user-centered strategy. Whether you’re just getting started or looking to improve results from an existing campaign, I’ll bring clarity, strategy, and action to your digital marketing efforts.

I have experience managing spend on paid acquisition channels like:

  • Search / PPC Ads: Google, Bing

  • Social Ads: Meta (Facebook/Instagram), Tik Tok, Twitter, Pinterest, LinkedIn, etc.

  • YouTube Ads

  • Google Display Ads

  • Remarketing Ads

  • Traditional Media: Print, Radio, TV

👉 Ready to grow your business with a proven pro? Let’s talk.

Advertising Expertise Includes

  • Magnifying glass with a key inside it, representing searching for keys or key discovery.

    Keyword Research

  • Hierarchical diagram with a top circle connected to two middle circles, each branching into three lower circles.

    Account Structure

  • Gold target with an arrow hitting the bullseye.

    Audience Targeting

  • Icon of a checklist or document with a pen, representing writing or editing.

    Copywriting

  • Line art of a drawing tablet with a stylus, surrounded by shape options and a color palette, in yellow on black background.

    Graphic Design

  • Illustration of data analytics with pie chart, bar graph, and magnifying glass focusing on user profile icon.

    Ongoing Optimization

FEATURED CLIENT CASE STUDY

Google Ads Search Campaign Delivers 134 New Intakes in 9 Months for Expanding Therapy Practice

Client: ACCL Chicago
Platform: Google Ads

This performance-focused campaign helped scale ACCL Chicago’s therapy practice by driving consistent monthly intakes while significantly improving ad efficiency and expanding internal capacity.

Results from 9 months:

  • Generated 134 new client intakes at target CPA

  • Scaled team from 4 to 6 full-time therapists

  • Reduced cost-per-click average by -83.6% (from $1.34 to $0.22)

  • Increased click-through rate average by +128% (from 2.4% to 5.47%)

  • Estimated ROAS between 10.6x - 14.9x

ACCL CHICAGO CLIENT TESTIMONIAL

"We have the pleasure of working with Justine, a talented Google Ads manager, and we are very happy to recommend her to others. From the moment we started our collaboration, it was evident that she was dedicated to helping our business succeed.

Her level of knowledge and understanding of the intricacies of Google Ads really impressed us after years of trying to figure it out ourselves. She was able to craft highly effective and targeted ad campaigns that not only increased our online visibility but also brought in a significant boost in qualified leads and conversions.

We also appreciated how she took the time to learn our business (a small psychotherapy practice) so that she knew how to manage the keywords and ads to be most effective.

Moreover, communication with Justine was always great. She gets back to us in a timely manner and scheduling our meetings with her is always very easy.

We wholeheartedly recommend Justine to any business seeking to elevate their online presence through Google Ads."

— Cynthia Bassuk, Owner of ACCL Chicago

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FEATURED CLIENT CASE STUDY

Youtube Ads Campaign Drives $135,000 in LTV of New Customer Revenue in Just One Quarter For NYC FinTech Startup

Client: TradeZero
Platform: Youtube Ads

We ran this experimental new customer promotion for TradeZero to incentivize our growing number of YouTube subscribers to try a free trial of the platform. We promoted this landing page on both new organic content launched, as well as in a number of Youtube ads.

Results from one quarter:

  • Generated 25 new customers at our target CPA

  • Attributed to about $135,000 in LTV

  • Added 5,700 new YouTube subscribers

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Owner of a Mid-Sized Marketing Agency

"We were looking for someone to help with our Google Adwords and Justine delivered exactly what we needed, and more! She was very communicative and once we got into regular work, we never had to worry about regular optimization or updates being made. She was able to help provide feedback and overview on accounts that clients wanted more info and was able to help us build out some great campaigns and brought a wealth of knowledge that we needed to execute multiple campaigns."

Marketing Director from Travel Company

"Justine is a very pleasant person to work with. She's easy to communicate with, adheres to deadlines, and gets the job done well. I would definitely recommend working with her if you need PPC guidance or work."

Owner of Local Lawn Care Company

“Quick, thorough, great communication. Would hire Justine again in a heartbeat.”

Book your first call for free with Justine.

To find out if Digital Ads with Solas is right for you, schedule a free consultation at this scheduler. If you have an existing advertising account, let me know in advance and I can include a free account audit included in your consult.