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Case Studies from Greyturtle

Our Digital Marketing Case Studies

Every agency will tell you they deliver results. We’d rather show you.

The case studies below are real projects, real clients, and real outcomes – built through consistent expert work, honest advice, and a genuine interest in the businesses we work with. Some feature hard numbers. Others tell the story through the words of the clients themselves. All of them reflect what a long-term partnership with Greyturtle actually looks like.

If something here resonates with your own situation, we’d love to hear from you.

Google Shopping, Shopify & Ebay Case Study: Chapter 1

How better product data tripled ASL’s monthly online sales.

Client: Ecommerce across both B2C & B2B

Sector: Mobility bathroom supplies

Read the Case Study >>

High Impact Ecommerce Marketing Case Study: Chapter 2

This is the second chapter of Greyturtle’s work with ASL.

ASL’s owner had seen what consistent, expert work could achieve, and he was ready to move faster. With trust established and results on the board, the conversation shifted from fixing problems to building something bigger.

Read the Case Study >>

PPC Case Study

2,500 calls in a year for under £2 each: How a small heating company outperformed the Nationals on Google Ads

Client: Services across both B2C & B2B

Sector: Heating & Cooling

Read the Case Study >>

B2B Hire Ecommerce Case Study

Taking Kärcher UK’s Professional Hire operation online: from manual bookings to 24/7 digital commerce.

Client: B2B Professional Machine Hire

Sector: Cleaning Equipment

Read the Case Study >>

Don’t just take our word for it​

Read genuine testimonials from our clients:

"Having spent a lot of time and money on marketing, SEO and website development with little gain for my efforts, I was sceptical. But, meeting and working with Catherine has been a breath of fresh air! Catherine is so knowledgeable, quick to understand your business and your goals, and explains things in a simple to understand way. She works methodically to build a solid foundation on which to build, and she works super quick! Catherine also works collaboratively with others in your business within the marketing space ie your PR and Communications, web hosting company etc. I wish I had met her 20 years ago!"
Charlotte DeanB2B Lead Generation Client
"We, at Clean Sweep UK, have worked with Catherine at Grey Turtle for many years and had fantastic results. In only a very short time our enquiries from the internet had doubled and has continued to grow ever since. Grey Turtle’s expertise has been one of the main reasons for our continued success." Stephen Dennis Managing Director (Retired) Clean Sweep UK
Stephen DennisB2B Lead Generation Client
"Amazing service Cath has been intregral to the growth of our on line sales. I feel she is part of the team"
Andrew WoodEcommerce Client
"Working with Catherine and Grey Turtle is like a breath of fresh air. She's intelligent, honest and gets the job done. If she says she'll do it she will (and that seems rare in this digital world!). Highly recommended."
Therapy OrganicsEcommerce Client
"Cath is focussed on getting the right result for us and goes above and beyond. The impact that she has had on our website development and growth and Google Adwords campaign has been impressive. Cath also knows her subject matter inside out. I would wholly recommend Cath and the services she offers."
Ecommerce ClientManaging Director
"Catherine has done a significant amount of work for us to grow our website and also work on our Google Ads. I find Cath is extremely conscientious and knows her stuff. In the period of time Catherine has been working with us our website sales have increased significantly and our products have moved up the Google Ads product rankings. Cath is extremely thorough and knowledgeable about the subject and goes above and beyond to do a thorough job. Cath also says it as it is which I like in particular. I would strongly recommend Catherine."
Ecommerce ClientClient Name Confidential
"Absolutely great working with Catherine and Greyturtle on our digital journey!!!!! 😊"
B2B Lead Generation ClientClient Name Confidential
"Greyturtle have done amazing things for our firm"
B2C Lead Generation ClientClient Name Confidential
"Can 100% recommend Greyturtle to work with, they are certainly getting our company up in the rankings… "
B2B Lead Generation ClientClient Name Confidential
"We've used Greyturtle for many years and would highly recommend them !"
Cath FearnShopify & Ecommerce
Thank you for the many years of guidance, advice and an education from you Cath. It’s been a pleasure working with you for all these years. Your expertise has been part of our journey and I will always to thankful for that.
Director, UK B2B Services SectorGlobal Household Name

RELATIONSHIPS MATTER

A selection of our longer term clients

Hands-on marketing execution

Why Choose Greyturtle

No Long-Term Contracts

Month-to-month service - stay because we deliver results, not because you're trapped

We Don't Just Use AI. We Understand It

See what happens when computing expertise meets marketing experience.

Big Agency Expertise. Small Agency Pricing

Direct access to senior expertise without the inflated day rates.

20+ Years Experience. UK-Based Specialists

Work with professionals who've already mastered their craft.

Talk to our Digital Marketing Experts today

Call us on 01928 391 273, email [email protected] or fill in the form and we’ll get in touch asap.