contact@marketingconcurrent.nl Veenendaal · The Netherlands
Google Premier Partner, 8 years running
Client cases

Numbers we're
proud of.

From B2B specialists to D2C brands, Dutch niches to international scale, our clients span almost every sector. Below are the cases that show what that delivers in numbers.

iUsed case visual
+500%
Revenue
+500%
ROAS
Refurbished tech · E-commerce SEA AI bidding

iUsed: revenue +500% and ROAS +500% since launch.

Refined tracking, AI-driven bidding and early access to Google beta features, together good for 500% more revenue and a 500% higher ROAS since the start of our partnership.

Aanhangeronderdelen case visual
+530%
Revenue
+380%
ROAS
5 yrs
Partner
Niche e-commerce SEA 5+ year partner

Aanhangeronderdelenshop: 5-year partner, revenue +530%.

A multi-year partnership focused on sustainable, profitable growth instead of short spikes. Result: 530% more revenue and 380% higher ROAS since launch.

ICON. Amsterdam case visual
+900%
Revenue
+200%
ROAS
13
Countries
Fashion · D2C International

ICON. Amsterdam: 13 countries at once, revenue +900%.

Successful international expansion into 13 new countries, each market with its own audiences, language and AI for local optimisation. 900% revenue growth and 200% higher ROAS since launch.

Jeecey — fashion etalage
€1M+
Revenue/mo
327%
ROAS
Dropshipping · E-commerce Google Ads Built from €0

Jeecey: from €0 to a stable €1,000,000+ per month.

Built the entire revenue via Google Ads from zero, thanks to extensive Google Ads experience combined with a dropshipping model. Stable above a million per month at a ROAS of 327%.

Schuimwinkel — schuim op maat
€3M
Revenue/year
900%
ROAS
Niche e-commerce Google Ads Shopify migration

Schuimwinkel: from a local business to €3,000,000 per year.

With Google Ads from barely any revenue to €3M per year at a ROAS of 900%. Several new countries were launched successfully and the webshop migrated to Shopify.

HB Openers — garagedeur
+400%
Revenue
1300%
ROAS
Garage doors · E-commerce Google Ads Profitable growth

HB Openers: revenue +400% at a ROAS of 1300%.

For HB Openers, a specialist in garage doors and door openers, we significantly raised revenue via Google Ads and made major gains in profitability, with an exceptional ROAS of 1300%.

The Neon Company — neon sign
+73%
Leads
−11%
CPA
Interior · D2C Google Ads International

The Neon Company: +73% more leads, CPA −11%.

Significantly increased the volume of leads via Google Ads and improved profitability with an 11% lower CPA. Several new countries were also launched successfully.

Lavos Reiniging — meubelreiniging
+1100%
Leads
−22%
CPA
Cleaning · Local service Google Ads Lead generation

Lavos Reiniging: +1100% more leads since launch.

Hugely increased the volume of leads via Google Ads and made major gains in profitability, with a 22% lower cost per lead (CPA) since the start of our partnership.

Circular IT group — refurbished tech
+144%
Organic (YoY)
5+
LANDEN
Refurbished IT · B2B SEO International

Circular IT group: +144% organic growth year-on-year.

Achieved +144% organic growth (YoY) in a competitive market. The formula: an international SEO strategy with a sharp mix of technique, high-quality content and authoritative link building.

Liroma — roodlichttherapie paneel
+172%
Organic revenue
E-commerce SEO On-page & technical

Liroma: +172% organic revenue within a few months.

Organic revenue rose by more than 172% within a few months. Through sharp technical optimisation, on-page improvements and targeted link building, we made a direct impact on the bottom line.

RefurbishedDirect — refurbished laptop
64
Keywords ↑
15
Keywords ↓
Refurbished tech · E-commerce SEO Visibility

RefurbishedDirect: dominance in the search results.

Achieved enormous growth with 64 rising target keywords against just 15 decliners. This structural improvement in visibility has, since the start, delivered a stable, powerful stream of extra organic traffic.

Modulari — hexagon fotowanddecoratie
10→47
Domain Rating
E-commerce SEO Link building & authority

Modulari: explosive rise in domain authority.

Built unshakeable authority. Through relevant, powerful link building the Domain Rating rose step by step from under 10 to 47, leaving the brand rock-solid in the search engines.

Web design

Websites we
recently built.

Not just numbers: the work itself too. A selection of our recent Shopify and WordPress projects. Click through to the live site.
More about web design
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Arjan van Veenendaal
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★★★★★ 4,5 on Trustpilot B2B & B2C Premier Partner, 8 years
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