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Our work

Results, not vanity metrics.

Ecommerce, lead generation, B2B and B2C. Every story below is a real account we run, measured on the numbers that matter to the business.

E-commerce

26.7x ROAS

+61% YoY

How We Tripled Profitability for the UK's Leading Hot Tub Brand

Lay-Z-Spa were spending at serious scale on Google Ads, but growth was starting to cost them margin, not build it.

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Lead gen

-91% CPA

+49% leads

A Multi-Audience Paid Strategy for One of the UK's Best-Loved Pie Brands

Restaurant bookings, a D2C store, paid memberships, and B2B wholesale, all in one account, each needing a completely different approach.

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B2B

+17% leads

Rebuilding a Google Ads Lead Engine for an Award-Winning BPO

The SaaSy People had traffic and enquiries. What they didn't have was a lead engine they could actually rely on.

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B2C

+320% leads

2x CVR

Doubling Conversion Rate by Moving Beyond Brand Search: A US SaaS Growth Story

SellerAmp's paid performance was efficient. It was also entirely dependent on people who already knew the brand.

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E-commerce

5.4x ROAS

+141% YoY

Rebuilding Google and Meta as One Growth Engine

Ancient Warrior had worked with agencies before, with moderate results and low expectations of what was actually possible. We set out to change that.

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E-commerce

5x ROAS

2x revenue

Competing Against Bigger Retailers Without Their Spend

Reselling the same stock as twenty other websites leaves no room for wasted ad spend. Nomad had a small budget and thin margins to prove it could still win.

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Fourfourtee E-commerce

4.5x ROAS

Getting a New Product Category Right From Day One

Fourfourtee needed strong ROAS from the very first month. There wasn't room to learn on the job.

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Lead gen

-50% CPA

2x leads

Fixing a Fire Safety Brand's Google Ads From the Ground Up

Mistek's ads were generating leads. They just cost twice as much as they should have.

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TCN Lead gen

500+ leads

How TCN Won Its Corner of Co-Working

TCN's first ever Google Ads campaign had to compete against the biggest names in co-working, on a fraction of their spend.

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Reviews

Rated 5.0 on Google

5.0

Based on 11 reviews

Read on Google
We’ve worked with James for a number of years now, having moved from a large, national agency. He is a highly effective PPC Manager and a true extension of our team: knowledgeable, technically gifted, a great communicator, trustworthy, and instrumental in significantly increasing the performance of our campaigns.
Sam ALay-Z-Spa
We are about to finish our second full year of working with James. Over that period, Trail.co.uk, our camping website, grew by around 40% from 2023 to 2024, and a further circa 17% from 2024 to 2025. Our home and garden site, Christow.co.uk, grew by around 7% from 2023 to 2024, and a further circa 17.6% year on year.
Josh PTrail & Christow
James has been nothing short of excellent. He manages our paid ads and social campaigns for Workever, and the results have been outstanding. From strategy through to execution, he’s proactive, data driven, and constantly optimising performance to get the best return possible.
Damien KWorkever
We’d worked with other ads agencies before and always felt a bit in the dark. Miller Digital has been the opposite: communication is quick, transparent and proactive, and performance has noticeably improved since they took over our Google account. Feels much more like a partner than just another agency.
David CTrinergy
After a bad experience with an agency I sought to find a freelancer to take over our Google and Meta ad management. I had an initial consultation with James and he instantly filled me with confidence. I have since recommended his service to a close friend and would not hesitate to recommend again.
Tyler HAncient Warrior
I’ve worked with James on a handful of projects over the years and he’s one of the sharpest people I know when it comes to PPC, tracking, analytics and overall strategy. What I rate most is that he genuinely understands the bigger picture behind performance marketing, not just the ads themselves.
William CTouchpoint
James has been influential in growing our online revenue though PPC over the past four years. He’s friendly, communicative and extremely knowledgeable on Google ads and social ads strategy, and our results have been brilliant. Highly recommend.
Levi JNomad Supply Store
Night and day compared to my last PPC agency. James and team got me more leads and better quality pretty much immediately.
Sam KSK Electrical
James setup our campaign quickly and achieved excellent results. Look forward to the next campaign! Highly recommended.
Eric WFischer-Z
Our team had a fantastic experience working with James at Miller Digital on our Google Ads. He was incredibly detailed and thorough, keeping us updated at every step! We would definitely work with James again in the future.
Aisha AProvision Events
I've been a Personal Trainer for over 10 years. I recently tried to break into the online market. I struggled on my own juggling my day to day work and adding a new area I don't fully understand. Miller Digital have helped me get loads of new paying clients over the past year and a bit. I am able to focus more time on my day to day clients while receiving more frequent and better leads to my business. Appreciate their support in my business growth during this time. 10/10 would recommend.
Jack CFit Over Forty

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James Miller, founder of Miller Digital
James MillerFounder, Miller Digital