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Performance Marketing & Growth Agency

We Scale Brands. Profitably. Relentlessly. With Precision. At Scale.

Full-funnel performance marketing, premium websites, and AI-powered execution for brands that demand predictable, scalable revenue growth.

Book Strategy Call → View Our Work WhatsApp
€250K+
Monthly ad spend managed
40+
Active client accounts
€4.2M+
Total ad spend managed
Bellalux Performance Marketing
Paid Ads Specialist & Growth Operator

Kerim Kusturica

Performance marketer, growth operator, and founder of Bellalux Design. I'm based in Belgium and work across Google Ads, Meta Ads, ecommerce, content, landing pages, SEO copywriting, and AI-assisted marketing workflows.

Hire Kerim → Download CV WhatsApp
Kerim Kusturica
Google Ads Google Ads
Meta Ads Meta Ads
TikTok Ads TikTok Ads
LinkedIn Ads LinkedIn Ads
Shopify Shopify
WordPress WordPress
📊 GA4
⚡ AI Automation
Results That Speak

Agency Performance at Scale

Real numbers from active campaigns we manage daily across our client portfolio.

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Monthly ad budget managed across all platforms
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Total ad spend managed to date
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Meta Ads spend per month
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Conversions generated
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Clicks generated
0
Avg. cost per conversion
0
TikTok Ads spend per month
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LinkedIn Ads spend per month
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Active client accounts
Individual Track Record

Personal Results

What I deliver as an individual growth operator.

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Google Ads managed per month
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Hands-on paid media & growth experience
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Content views generated
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Cost per lead improvement for clients
How Bellalux Works

Our Growth Operating System

A battle-tested framework to scale your brand with precision and consistency.

1
⌕
Audit
Deep-dive audit of ads, funnels, website, tracking and offer. We find every leak.
2
⟲
Strategy
Data-driven growth strategy tailored to your specific business goals and market.
3
▱
Build
High-converting funnels, landing pages and ad creatives engineered to sell.
4
↟
Launch
Precision campaign launch with full tracking, automation and monitoring.
5
▰
Optimize
AI-powered optimization. Scale what works, cut what doesn't. Relentlessly.
Proven Results That Scale

Real Campaign Performance

Transparent reporting. Real screenshots. Real performance work — not mockups.

Recent Google Ads Performance
Recent Google Ads Performance
17-day performance snapshot — conversions, cost per conversion, and click-through rates from active campaigns.
Google Ads
Long-Term Campaign Growth
Long-Term Campaign Growth
Extended date range showing consistent scaling of conversions while maintaining target CPA.
Performance
Hourly Performance Breakdown
Hourly Performance Breakdown
Daypart analysis used to optimize bidding schedules and capture peak conversion windows.
Analytics
Selected Work

Portfolio

Conversion-first websites and brand experiences built for measurable growth.

Belgian Roofing Lead Gen Site
Belgian Roofing Lead Gen Site
Local service lead generation with trust elements, reviews, urgent CTAs and conversion-first structure.
Lead Gen
Luxury Ecommerce Brand Store
Luxury Ecommerce Brand Store
Premium product presentation, clean store UX and high-intent product discovery flow.
Ecommerce
B2B High-Ticket Offer Page
B2B High-Ticket Offer Page
Authority-driven B2B funnel page for pipeline generation, qualified leads and sales appointments.
B2B
What Bellalux Does Best

Growth Services

Everything you need to scale — from ads to websites to AI automation.

📢
Paid Ads
  • Google Ads, Meta Ads, TikTok Ads, LinkedIn Ads
  • Full-funnel strategy and budget scaling
  • Conversion tracking and advanced analytics
  • Advanced audience segmentation and A/B testing
🛒
Ecommerce
  • Shopify and WooCommerce growth
  • Product page CRO and remarketing
  • Checkout and post-purchase optimization
  • Email and SMS flow strategy
🌐
Web Development
  • Premium landing pages and funnels
  • WordPress and custom websites
  • Conversion structure and lead forms
  • Tracking-ready campaign infrastructure
✍
Content
  • Paid ad angles, hooks, and copy
  • UGC scripts and creator briefs
  • SEO copywriting and blog strategy
  • Short-form video and social systems
🔍
SEO
  • Local SEO and Google Business optimization
  • On-page structure and technical audit
  • Search-intent content mapping
  • Service and location page strategy
⚡
AI Automation
  • Custom AI marketing workflows
  • Automated reporting and dashboards
  • Prompt engineering and systems
  • Client delivery and ops automation
Performance Proof

Google Ads Work

Campaign tracking, optimization screenshots and platform dashboards from live accounts.

Recent Campaign Performance
Recent Campaign Performance
17-day performance window showing consistent conversion delivery and efficiency metrics.
Long-Term Scale History
Long-Term Scale History
Growth trajectory over extended period showing spend scaling with maintained efficiency.
Google Ads Dashboard
Google Ads Account Dashboard
Full platform account overview showing optimization score and campaign health.
About Kerim

I build & scale growth systems that generate real results

I'm a performance marketer and growth operator based in Belgium. Over the past 7+ years, I've managed millions in ad spend across Google Ads, Meta, TikTok, and LinkedIn — building full-funnel systems that generate predictable revenue for brands. I'm also the founder of Bellalux Design, where I lead a team that helps businesses scale with premium websites, paid ads, and AI-powered execution systems.

✓ Google Ads, Meta Ads, TikTok Ads and LinkedIn Ads expert
✓ Lead generation and ecommerce growth funnel specialist
✓ Conversion tracking, GA4, reporting and automation pro
✓ Founder and agency builder behind Bellalux Design
Credentials

Certifications

Google Ads Certification
Google Ads Certification
Google Ads / Skillshop
✓ Certified
Meta Media Buying Professional
Meta Media Buying Professional
Meta Certification
✓ Certified
AI Literacy Essentials
AI Literacy Essentials
Panorama Education
✓ Completed
Certified AI Literacy
Certified AI Literacy
Coursera / AI Learning
✓ Completed
Capabilities

Skill Stack

📢
Paid Ads
  • Google Ads Search, PMax, lead gen
  • Conversion optimization and scaling
  • Negative keywords, budget control
  • Advanced audience and offer testing
🛒
Ecommerce
  • Shopify and WooCommerce growth
  • Product page CRO and remarketing
  • Checkout and offer optimization
  • Email and SMS flow strategy
🌐
Web / CRO
  • Landing pages and WordPress sites
  • Conversion sections and trust blocks
  • Lead forms with tracking
  • Campaign-ready page builds
✍
Content
  • Paid ad copy, hooks, and angles
  • UGC scripts and creator briefs
  • SEO copywriting and strategy
  • Short-form video content systems
📊
Tracking
  • GA4 and Meta Business Manager
  • Google Ads conversion tracking
  • Custom reporting dashboards
  • Campaign performance communication
⚡
AI Workflows
  • AI prompt engineering and systems
  • Workflow and reporting automation
  • Faster campaign execution
  • Client delivery optimization
Career Path

Experience

Hands-on growth work across Belgium, EU and remote markets.

2024 — Present
Digital Marketing Specialist
DOT Telecom · Gent, Belgium
Leading Google Ads, Meta Ads, SEO, website content, multilingual campaigns, and full performance reporting for the telecom group.
2022 — Present
Marketing Manager
ML int. architecture · Antwerp
Content strategy, marketing automation workflows, prospect database management, and pipeline conversion optimization.
2021 — Present
Content Writer & Creator
Perfetto d.o.o · Remote
Generated millions of content views and organic traffic via SEO-driven content and multi-platform campaign strategies.
2020 — 2022
Head of Digital Marketing
glade.store
Built the complete ecommerce ecosystem from scratch — grew community, increased revenue and expanded brand visibility across channels.
2019 — 2020
Digital Marketing Specialist
Maplin Co.
Managed remarketing campaigns, online sales growth, social content strategy, and digital brand development.
2017 — 2022
Digital Marketing Manager
Quick d.o.o · Sarajevo
Improved conversion rates across all channels — managed digital, print, and video content. Built social engagement from the ground up.
Free Audit Tool

Scan Any Website

Paste a URL — get an instant report on SEO, ad pixels, performance, and marketing tech stack. Plus deep-links to check their ads on Google, Meta, TikTok & LinkedIn.

Works with any public URL — landing pages, ecommerce stores, competitor sites.

ROI Calculator

See What Your Budget Can Do

Based on real campaign metrics. Slide to estimate your results.

Monthly Ad Budget €5,000
403
Est. Conversions
2,702
Est. Clicks
€14,000
Est. Revenue (2.8x ROAS)
€12.40
Cost Per Conversion
141
Est. Leads Generated
Live Campaign Intelligence

War Room

Real-time performance monitoring across active client campaigns.

BELLALUX COMMAND CENTER
● ALL SYSTEMS LIVE
€247.8K
▲ 12.4%
Monthly Ad Spend
14,892
▲ 8.1%
Conversions
€12.18
▼ 3.2%
Avg. CPA
3.4x
▲ 5.7%
Avg. ROAS
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21h
Wall of Trust

What Clients Say

Real results. Real feedback. Our clients' words speak volumes.

★★★★★
"Bellalux took our Google Ads from break-even to 3.8x ROAS in 6 weeks. The attention to tracking and creative testing changed everything."
Thomas De Smet
Founder, RoofingPro Belgium
3.8x ROAS Achieved
★★★★★
"Our Shopify store revenue doubled after Bellalux rebuilt our product pages and ad strategy. The CPA dropped by 40% in the first month."
Marie Laurent
CEO, Maison Luxe Paris
-40% CPA Reduction
★★★★★
"Kerim built our entire digital presence — website, ads, tracking, everything. We went from zero to 200+ qualified leads per month."
David Jansen
Director, ML Int. Architecture
200+ Leads/Month
★★★★★
"The AI automation workflows Bellalux set up save us 20+ hours weekly on reporting. The campaigns run themselves now."
Sophie Willems
Marketing Lead, DOT Telecom
20h/Week Saved
Interactive Process

The Growth Operating System

Hover each phase to see how we turn ad spend into predictable revenue.

1
⌕
Audit
Finding every leak
Deep-dive audit of ads, funnels, website, tracking, and offer. We uncover what's costing you money and where the biggest wins are hiding.
2
⟲
Strategy
Blueprint for scale
Data-driven growth plan tailored to your specific business goals, market position, and budget. Every dollar has a job.
3
▱
Build
Engineering the machine
High-converting funnels, landing pages, ad creatives, and tracking infrastructure — all built to convert and track perfectly.
4
↟
Launch
Precision ignition
Campaigns launch with full tracking, automation, and monitoring. We know within 48 hours if a campaign will win.
5
▰
Optimize
Relentless improvement
AI-powered optimization engine scales what works and kills what doesn't. Performance compounds daily.