Case studies

Real results, measured where it matters: customers and revenue.

Evidence led work across paid search, paid social, CRM measurement, AI reporting and growth strategy. Every result is grounded in the work itself.

A personal point of view

What I’m seeing, testing and learning in PPC right now.

I’m John Iliopoulos, a PPC and growth marketer with over 10 years in the industry. PPC Supreme is where I share my take on what’s changing, experiments I’m running, things that genuinely work and the lessons behind the results.

Real results, measured where it matters: customers and revenue.

What I’m seeing, testing and learning in PPC right now.

How I turned £1m of annual media investment into stronger customer growth

How joined up paid, organic and CRM grew revenue 15% year on year

How tiered Meta audiences cut CPL by 12%

How I found a hidden limit holding back 76% of spend

How I cut monthly reporting from 6 hours to 40 minutes

How I cut CPA by 57%, from £140 to £60

How I moved the business beyond CPL and cut contract CPA by 39%

How 7 investor personas lifted qualified leads by 12%

How I kept a £3k a month account visible without overspending

How social SEO and digital PR grew organic traffic 20%

How I delivered growth across marketing, sales and technology

How I nearly doubled conversion rate and cut contract CPA by 59% on a core search campaign

How broad match grew contracts by 149% while CPA fell

How I more than doubled contracts from people searching for competitors

How I turned around a historically expensive quick sale campaign

How I kept strategy in house while managing specialist agencies

How I won back abandoned baskets and grew recovered sales 15%

How structured ad testing cut CPL by 12%

How I found investors where they already spend time online

How I spotted the most valuable leads before sales even picked up the phone

How I turned winning tests into a repeatable growth system

How I found a lead segment converting at almost double the baseline

How CRM automation connected customer data with acquisition

How I connected acquisition to sales across more than 4,000 leads

How I taught Google Ads which leads are actually worth money

How demographic tracking cut wasted audience spend by 12%

How I built AI marketing analysis that cut manual reporting by 26%

How I turned CRM data into paid media audiences

How I turned dashboards into recommended actions

How 26,000 leads revealed revenue hiding in after hours enquiries

How I got sales to the best leads 34 minutes faster

How 450 postcode decisions removed geographic waste

How localised campaigns lifted international conversion 8%

How I found 129 excluded areas worth winning back

How I bought demand at the hours it actually converts

How I tracked every keyword from click to contract

How I built a test, learn and scale CRO programme

How influencer partnerships grew engagement 34%

How a full funnel scorecard exposed cheap campaigns producing weak customers

How I separated marketing quality from sales execution

How organic leads proved stronger than their volume suggested

How I modelled where the next £10k of media should go

How I filled an investor event with 57% of leads turning up in person

Find out what your paid media is really producing.