4.9/5  ·  Performance marketing agency for eCommerce

The agency that measures marketing in profit.

BigConvert is a performance marketing agency for eCommerce, founded by Ovidiu Golea and Răzvan Pepelea. We test every strategy on our own ad budgets first.

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The BigConvert team working on campaigns in the Bucharest office
€400M+
sales generated for clients
Răzvan Pepelea and Ovidiu Golea, founders of the BigConvert agency
The BigConvert team, a performance marketing agency for eCommerce, in the Bucharest office
120+
brands from Romania and Europe
2018
The year we started optimizing for profit
16.9M+
Products automatically optimized in feeds
1,200+
Creatives delivered for Meta Ads
100%
Your data and accounts stay yours, always

Official partners & certifications

Meta Business Partner badge
Google Partner Premier 2024 badge
Google Comparison Shopping Premium Partner badge
Google Comparison Shopping Hero badge

From €200 a month to €400M+ in sales generated.

Eight years of paid campaigns, from affiliate marketing to an agency with 120+ brands.

  1. 2018

    First campaigns, with our own money

    Ovidiu Golea gets into affiliate marketing with Google Ads and €200 a month of his own money.

  2. 2019

    Glew Solutions

    Becomes one of the largest eCommerce affiliates in Europe and #1 in the 2Performant rankings.

  3. 2020

    Romania's first Premium CSS

    Răzvan Pepelea, through ProductXL (formerly tidy.shopping), becomes the first Google CSS Premium Partner from Romania.

  4. 2021

    Scaling from Brașov

    Our monthly ad budget, all self-funded, reaches €400,000.

  5. 2023

    Google Premier Partner

    Google Premier Partner and Google Premium CSS Partner status follow.

  6. 2024

    BigConvert is born

    Ovidiu Golea and Răzvan Pepelea bring campaigns and feed technology together in one agency.

  7. 2025

    Europe and the US

    Revenue doubled, eCommerce portfolios across Europe and the US, a keynote at GPeC.

  8. 2026

    Today

    120+ brands scaled for profit and €400M+ in sales generated.

Two founders, one system.

One comes from campaigns, the other from technology. Together they cover the whole journey, from feed to profit.

Răzvan Pepelea (left) and Ovidiu Golea (right), founders of the BigConvert performance marketing agency

Răzvan Pepelea

Co-founder, product and technology

He comes from software development, which he combined with marketing and social media. He founded ProductXL, the feed management platform built alongside the agency, and leads product and technology.

  • 19+ years of experience in digital
  • Founder of ProductXL.com
  • Feed management and AI for product catalogs
  • The first Google CSS Premium Partner from Romania, through ProductXL

Ovidiu Golea

Co-founder, campaigns and strategy

He started in 2018 with €200 a month of his own money and built Glew Solutions, one of the largest eCommerce affiliates in Europe. He has optimized for profit from day one.

  • €7M+ of his own capital invested in advertising
  • Google Premier Partner and Premium CSS Partner
  • #1 in the 2Performant affiliate rankings
  • Former footballer at Pandurii 2, now coach of BigConvert Răcădău FC

Four rules we work by.

Profit measured per product

We optimize for POAS: the real profit of every product and channel.

Our own technology

ProductXL, our own CSS and server-side tracking, all built in-house.

Your accounts stay yours

Your data and ad accounts are 100% yours, always.

Senior team

Specialists directly accountable for your account, no middlemen.

POAS shows the profit every euro of ad spend brings in. ROAS only shows revenue.

The people behind the campaigns.

The team that brings you profit, not just clicks: strategy, campaigns, creatives, feed and technology, all in-house.

120+ brands. One playbook.

eCommerce brands from Romania and Europe, scaled for profit, not vanity metrics. Fashion, beauty, toys, home & decor, electronics, supplements.

Noriel logo
Cupio logo
Neakaisa logo
Antonia Bijoux logo
Foglia logo
AUR585 logo
BMAN logo
Everin logo
Otter logo
Tezyo logo
Gave logo
Regata logo
NMN Romania logo
De-a Joaca logo
Watch and Shop logo
FSM Romania logo
Trei logo
Sefinni logo
Tamos logo
Aldo logo
Fragranza logo
Gryxx logo
Procosmetic logo
DispoTrading logo

Here's why clients love BigConvert.

Sales doubled, costs are under control, and our PPC is more precise than ever.

Cristian Oprea, Founder, Digitaly Inc.
Răzvan Militaru
Google review
★★★★★August 2026

They helped us understand [...] where we can grow profitably, not just have good numbers in the reports. [...] They have very advanced tools and an analysis that I have not seen in other digital marketing agencies. [...]

Flavius Ciobotaru
Google review
★★★★★September 2026

The guys are real pros: orders went up and costs went down. Highly recommend!

Ionuț Coldea
Google review
★★★★★September 2026

Since we started working with them, sales have grown and stabilized at a healthy level. I recommend them to any business looking for a partner.

George
EvoMarketing Agency
★★★★★January 10, 2025

A highly versatile solution for segmenting product feeds. To stay competitive, it's a MUST.

Andrian
Representative, SoundHouse
★★★★★January 8, 2025

Automating performance data analysis across thousands of products eliminated the manual work. Optimized budgets, top performers identified.

Cristian Oprea
Founder, Digitaly Inc.
★★★★★January 15, 2025

Sales doubled, costs are under control, and our PPC campaigns are more precise than ever.

Alexandru Burghina
Marketing Manager, Start IT Soft
★★★★★December 20, 2024

Their communication and the tools they use to help our business grow are outstanding.

Muha Marina
Google review
★★★★★September 2026

We work with BigConvert on Google and Facebook, and the results showed up in the numbers almost immediately. [...] I can actually see the difference in sales [...], not just in pretty reports.

Mihai Capruciu
Google review
★★★★★September 2026

Professional, responsive, and reliable. BigConvert has been a great partner to work with. Highly recommended.

Consantin Luca
Google review
★★★★★August 2026

Best marketing agency in town. 100% recommend.

Oren
Founder, Terramin Mesh Marketing
★★★★★December 12, 2024

They turned routine Google & Meta Shopping setup into child's play. The interface and smart search features are a pleasure to use.

Cristian Oprea
Founder, Digitaly Inc.
★★★★★January 15, 2025

A powerhouse: they turned product feed management from a chore into a joy. Sales doubled, costs are under control.

Andreas & Monica Muntean
Owners, StarShinerS.ro
★★★★★November 28, 2024

A clear view, since moving to POAS, of profitability and correct pricing, plus spotting unnecessary costs.

Alin Muha
Marketing Director, Antonia Bijoux
★★★★★November 15, 2024

Their focus on maximizing ROI, while keeping communication clear and consistent, sets them apart from other agencies.

Laura Ioana Sardescu
Google review
★★★★★September 2026

The collaboration with BigConvert goes beyond the agency-client relationship. [...] Understanding the business, asking the right questions [...] helped us perform in a complicated year.

Florentina Neacșu
Google review
★★★★★September 2026

A professional team, involved and attentive to the client’s needs. Good ideas, clear strategy and a very pleasant collaboration. Highly recommend!

Alin
Google review
★★★★★September 2026

Excellent collaboration, great communication, top results. Probably one of the best advertising agencies in Romania!

Alex
Owner, OaleSiTigai.ro
★★★★★November 2, 2024

Beyond all expectations. Name your wish — this team delivers.

Vlad Tofan
Bman.ro
★★★★★October 18, 2024

They helped us identify our most searched-for and most profitable products. They simplified our entire catalog management process.

Find us in Bucharest.

Open in Google Maps →
The office building that houses BigConvert's headquarters, at Barbu Văcărescu 13, Bucharest

Frequently asked questions.

Who founded BigConvert?
BigConvert was co-founded in 2024 by Ovidiu Golea and Răzvan Pepelea. Ovidiu comes from Google Ads, Google Shopping CSS and affiliate marketing, while Răzvan, with 19+ years in digital, is the founder of ProductXL, a feed management platform.
How long has the BigConvert team been in performance marketing?
Since 2018, when Ovidiu Golea started in affiliate marketing with a Google Ads budget of €200 a month. In 2019 he founded Glew Solutions, and in 2024 all that experience became BigConvert.
Where is the BigConvert office?
Our Bucharest office is at Barbu Văcărescu 13. We're in Monday to Friday, 10:00 to 18:00.
Is BigConvert an official Google and Meta partner?
Yes. BigConvert is a Google Premier Partner, a Google Comparison Shopping (CSS) Premium Partner and a Meta Business Partner.
What is ProductXL and how is it connected to BigConvert?
ProductXL.com is a feed management platform founded by Răzvan Pepelea and built alongside the agency. It gives us hands-on experience in eCommerce and product data, on top of the agency perspective.
Which brands does BigConvert work with?
More than 120 eCommerce brands from Romania and across Europe, in fashion, beauty, toys, home & decor, electronics and supplements. Among them: Noriel, Cupio, Neakaisa, Antonia Bijoux, Tezyo and Otter.
How does working with BigConvert start?
With a free audit. We review your Google Ads and Meta Ads accounts, your tracking and your product feed, then send you a clear report with priority recommendations. No obligation to work with us.

Want to see how much profit your ads really make?

We start with a free account audit and show you, in hard numbers, where your budget is leaking.

Cost to you€0
Commits you toNothing
We reply within24h
We checkAds and feed
Photo from the BigConvert team gallery