More bidding power, same budget
A €0.80 bid through 57Studio CSS competes like a €1.00 bid on Google’s default CSS. Use it to win more auctions, or to hold position at a lower cost.
Google CSS Partner · Bulgaria
Unlock a 20% advantage on your Shopping ad bids.
Switch your Merchant Center to a certified CSS partner. Keep your campaigns, keep control in Google Ads, and get hands-on support from a team that works the Bulgarian market every day.
Google’s default CSS
€1.00 bid
= €0.80 in the auction
Google keeps ~20% of the bid as its own Shopping margin.
57Studio CSS
€0.80 bid
= €1.00 in the auction
Your full bid competes. Same ads, more bidding power.
20%Auction advantage vs Google’s own CSS
0Campaign changes required
BGLocal support for Bulgarian shops
What a CSS partner actually does
Every Google Shopping ad in the EU has to run through a Comparison Shopping Service. By default that is Google’s own CSS — and Google deducts about 20% of your bid before it enters the auction.
A certified CSS partner removes that margin. Your product ads still appear in the same Shopping placements. Clicks still go to your shop. You still run the account. The difference is auction power — and someone in your market who can help when Merchant Center, feeds, or approvals get stuck.
Built for shops advertising in Bulgaria
Your campaigns stay yours
The switch happens in Merchant Center. Google Ads history, structure, and bidding strategies stay in place. No rebuild, no downtime.
Works with Performance Max
The advantage applies to Shopping inventory — including Shopping placements inside Performance Max, not only classic Shopping campaigns.
Local, not a ticket queue
Bulgarian-speaking support from a Google Partner with 15+ years in performance. We know Speedy, local feeds, and how this market actually buys.
You keep the keys
We do not take over your Google Ads account to make CSS work. You keep admin access, reporting, and the agency or in-house team you already have.
Certified partner, clear process
One Merchant Center request, one approval, then the 20% advantage is on. We walk you through it in Bulgarian or English.
How the switch works
Usually done in a day. You approve one request in Merchant Center.
01
Send your Merchant Center ID
A short note with the account ID is enough. We check that Shopping is live and that the account can move.
02
We send the CSS request
57Studio starts the transfer from our CSS Center. You get a notification inside Merchant Center — nothing to rebuild.
03
You approve. Ads keep running.
Accept the request under Merchant Center settings. Campaigns continue. The auction advantage applies from that point.
Case Study
Vizualna Tehnika
vizualnatehnika.bgROAS up +40% after the CSS switch.
After moving Merchant Center to 57Studio CSS, vizualnatehnika.bg saw Google Ads ROAS rise by +40%. Same shop, same catalog — more return from Shopping spend, with the 20% auction advantage in place.
Questions we hear first
Is this a 20% discount on the Google invoice?
No. It is bidding power. Google’s own CSS takes ~20% of the bid before the auction. Through a CSS partner, the full bid competes — so you typically get more traffic at the same bids, or the same positions at a lower CPC. It will not show as a line-item rebate.
Does it work if we only run Performance Max?
Yes. The CSS link sits on Merchant Center. Shopping inventory inside Performance Max gets the same structural advantage.
Will we lose campaign history or Quality Score?
No. Google Ads is untouched. Only the Comparison Shopping Service attached to Merchant Center changes.
Who is this for?
Ecommerce brands advertising on Google Shopping in Bulgaria and the EU. If Shopping spend is material, the auction gap is usually larger than the cost of a certified partner.
Ready to unlock the 20% advantage?
Leave your contact details and we’ll send you more information — usually within one business day.