// case studies

Case Studies

Fifteen-plus years turning marketing into revenue. A few of the engagements, with the numbers that came out of them.

On this pageExplore the evidence

The challenge, the work and the outcome behind each engagement.

Independent by designcase studies

01 // case study

General Motors

Omnichannel marketing strategy, iProspect (Dentsu), 2018 to 2021

Turned organic and omnichannel search into a measurable revenue engine across more than fifteen owned web properties for a global automotive brand.

$750M
estimated incremental revenue
500M+
website visits delivered
45%
lift in digital channel performance

// problem

A global automotive leader needed search to produce measurable revenue, not just traffic, across more than fifteen owned web properties, while keeping its portfolio of sites technically sound.

// approach

  • Built an omnichannel search strategy tied to revenue outcomes instead of rankings.
  • Migrated nine business critical websites to modern CMS platforms with technical SEO designed into the rebuild.
  • Aligned content and technical SEO across the owned web portfolio so improvements compounded across properties instead of fragmenting.

// result

An estimated $750M in incremental revenue, 500M+ website visits, and a 45% lift in digital channel performance within three years.

02 // case study

Quicken Loans, now Rocket Mortgage

Program Lead, Search Engine Optimization, 2011 to 2014

Scaled a mortgage lead engine from $80M to more than $200M in monthly revenue.

$80M → $200M
monthly revenue scaled
6M+
qualified leads generated
$2.4B+
revenue driven

// problem

Scale organic acquisition for one of the largest mortgage lenders in the country without inflating cost per lead.

// approach

  • Built enterprise SEO and an editorial content strategy spanning every channel.
  • Engineered the site and the content system to compound qualified lead volume month over month.

// result

Monthly revenue scaled from $80M to more than $200M, on 6M+ qualified leads and $2.4B+ in revenue driven.

03 // case study

Fortune 500 portfolio

Manager, Search Engine Optimization, Digitas, 2016 to 2018

Drove organic growth and risk free migrations across a Fortune 500 client portfolio, including Dow, DaVita, Delta, Nissan, and Infiniti.

35 to 50%
annual growth in qualified leads and sales
17
sites migrated without losing rankings
30%
media efficiency gained

// problem

Multiple enterprise brands needed organic growth and major site migrations that could not afford to lose hard won search equity.

// approach

  • Led the redesign and migration of seventeen sites with technical SEO protecting equity through every cutover.
  • Reallocated more than $450K of media spend toward higher performing initiatives.

// result

35 to 50% annual growth in qualified leads and sales across the portfolio, seventeen clean migrations, and a 30% gain in media efficiency.

Results above were delivered across fifteen-plus years in senior in-house and agency roles, framed by the employer or client of record. The figures are the same ones on the resume.

// contact

Open a channel

Not taking on new clients right now, focused on the work in front of me. The best way to connect is LinkedIn, or a warm introduction from someone I already work with.

Carroll Consulting is the business entity behind my independent work.

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