We cut CPA by an average of 37% across the accounts we manage. See if yours is next. We cut CPA 37% on average. Get your free audit

Specialist Google Ads. Airtight tracking. Higher ROAS.

For ecommerce brands done guessing. We make the numbers trustworthy first, then scale.
Aligned pricing, a dedicated team, and you own everything we build.

G Google Premier PartnerTop 3% of agencies
M Microsoft Advertising PartnerCertified
Nevena Čolić, Head of PPC
Luka Stefanović, Head of Web Analytics
Jovana Božić, Head of Creative
Blended ROAS LIVE
2.1x
+62%  last 30 days
CPA
0%

Brands that trust us to grow them

Casper
Endy
Silk & Snow
MV Agusta
Wonderskin
Sleep Country
Rank Math
WP Rocket
0x
non-brand ROAS
0x
spend scaled, profitably
+0%
revenue in year one
What we do

We do not do everything. We do the three things that move ecommerce profit, and we connect them.

Department 01

Pay-Per-Click (Google first).

Google Ads is where we started, and it is still our sharpest edge. Search, Shopping, and Performance Max, structured by profitability tier and built to scale. Facebook and Bing right behind.

Google Ads Agency
Department 02 · our rare edge

Web Analytics & Conversion Tracking.

Most agencies optimize toward numbers they cannot verify. We build GA4 and server-side tracking that hold up, so the data you bet budget on is actually true.

Web Analytics
Department 03

Ad Copy & Creative.

Traffic is only half the job. We write ad copy and build creative tailored to each stage of the buyer's journey, so more of that traffic turns into orders.

Google Ads Copywriting Landing Page Design
The differentiator

If you cannot trust the data, you are scaling blind.

Agencies genuinely good at tracking are rare. Fixing broken measurement is how a lot of our clients start with us.
One came to us with a ~50% gap between what their reports claimed and what actually happened. We found it, fixed it, and built a model they could finally trust.

How we fix tracking
What the reports claimed312 orders
What actually happened156 orders
// ~50% measurement gap, found and fixed in week one
Case story · UK cookware

Jean Patrique: +473% conversions from a first ever Google Ads account.

0→1
first time on Google Ads
+0%
conversions, year over year
+0%
return on ad spend
See all case stories
UK cookware · DTC
Jean Patrique The Whatever Pan
0→1
First time on Google Ads
+473%
Conversions, YoY
+29%
ROAS
Praise wall

Clients do not whisper their results. Here is what they say.

Real words from the people we work with.

Interactive · no call required

How trustworthy is your tracking right now?

Answer a few quick questions and get your Due Diligence Score, an instant read on how reliable your measurement and account setup really are.

No email needed to see your score.
Due Diligence Score

8 questions.
One honest number.

Most accounts we audit score between 40 and 70. Let's see where yours lands.

Why us

What working with Diligent actually means

01

You Own Everything.

Accounts, landing pages, creatives, every asset is yours forever, even if we part ways.

02

Complete Access.

You have admin access to every account from day one. We have nothing to hide.

03

Aligned Pricing.

A flat retainer plus a performance share, so we grow only when you do. Never a cut of your ad spend, and no hidden fees.

04

Your Project Team.

A dedicated PPC manager, web analyst, creative strategist, and copywriter. Real people, on every call.

05

A True Specialty Agency.

PPC, analytics, and creative. We picked our field and we are very good at it. No jack-of-all-trades.

06

Trustworthy Reporting.

Accurate tracking has always been our obsession. The numbers you see are real.

diligent
/ˈdɪlɪdʒ(ə)nt/
adjective
having or showing care and conscientiousness in one's work.
Who we are

That is the whole idea. We started as a PPC-only shop, then we lost a few clients because the funnels we were sending traffic to were not good enough.
So we learned to build landing pages, then analytics, then entire funnels. Today we are three departments that work as one, and we still leave no stones unturned.

Igor Babić
"We would rather lose a pitch than ship a number we cannot stand behind."
Igor Babić, Founder & CEO
The team

The people who will actually be in your account

No account manager you never meet, and no junior handed your budget. You get a dedicated team across PPC, web analytics, and creative, all on your calls and all accountable for your results. Here we are.

Pay-Per-Click

Nevena Čolić

Came to marketing through copywriting; now leads PPC with a creative, meticulous eye.

Nevena Čolić
Head of PPC
Aleksandar Bogdanović

Cheerful and hardworking, brings energy and dedication to every account.

Aleksandar Bogdanović
PPC Account Manager
Jelena Nestorović

Meticulous and detail-oriented; half of a true girl-power duo with Nevena.

Jelena Nestorović
PPC Account Manager
Sanjin Matić

Communicative, steady, and always on time, everything a PPC manager should be.

Sanjin Matić
PPC Account Manager
Vojislav Tanasković

A calm, curious mind who automates reporting and solves the unsolvable.

Vojislav Tanasković
PPC Account Manager
Nikola Tufegdžić

Coffee, vinyl, and the classics before anything else; brings fresh energy to PPC.

Nikola Tufegdžić
Junior PPC Account Manager

Web Analytics

Luka Stefanović

Always knows just the thing, and builds tracking you can trust.

Luka Stefanović
Head of Web Analytics
Aleksandar Šaljić

A multi-hyphenate (he's owned a bar and worked on TV) now obsessed with clean tracking.

Aleksandar Šaljić
Web Analytics Specialist

Creative

Jovana Božić

A rare blend of structure and empathy, psychology degree, marketing master's.

Jovana Božić
Head of Creative
Milica Terzić

The Mother of Authenticity; pours heart and soul into every word.

Milica Terzić
Performance Creative Strategist
Natalija Puđa

Equally curious about what makes people tick, and what makes them click.

Natalija Puđa
Performance Creative Strategist
Luka Nikolić

Chasing a programming degree; his favorite partner at work is the computer.

Luka Nikolić
Web Designer

Operations

Ivana Babić

Leads projects with precision from sunny Dubai; keeps everything on track.

Ivana Babić
Project Manager & Scrum Master
Miloš Radanović

Keeps the numbers honest. Our sole mission is to keep Miloš happy.

Miloš Radanović
Chief Financial Officer
Igor Babić

Started Diligent as a PPC shop. Still reads every audit before it ships.

Igor Babić
Founder & CEO
How we work

You choose the scope and the pace.

Work with us ongoing and let us handle everything, or start with a one-time setup or audit.
Aligned pricing, a dedicated team, and you own everything we build.

See how we work and pricing
Ongoing partnership
We run PPC, analytics, and creative as one team. Flat retainer plus a performance share.
One-time setup or audit
Tracking rebuild, account restructure, or a full Due Diligence Audit.

Request your Due Diligence Audit. 50+ dimensions checked.

We go through all your PPC accounts, conversion tracking, web analytics, and landing pages. You get back doc files with the findings, prioritized by what to fix first, and a proposed timeline. Free.

Get your free Due Diligence Audit
24h
we reach out to schedule an intro call.
7-10 days
after the call, your audit and strategy are ready.
100%
of cases, we find improvement opportunities.