Companies Using Bidtellect Universal Pixel

Bidtellect started as a native and contextual ad-buying platform, and since March 2023 it has been part of Simpli.fi; bidtellect.com now says so on its front page. Its pixels are still everywhere its advertisers put them. Our October 2026 crawl finds them on 611 domains, 354 matched to a company, 16th in Retargeting & Remarketing with 0.58%. The domain count is the least useful number on this page, and I'll explain why.

What the pixel is

A domain counts when a page loads a script from bttrack.com. Where our crawl recorded the address, on 536 domains, 441 load the universal pixel, cdn.bttrack.com/universal/ plus a number that Tealium's setup guide calls the Customer Brand ID. Another 93 load only Bidtellect's older engagement tag, and 2 other bttrack addresses. The universal pixel is a small container: it carries the advertiser's list of page-address rules and fires a Bidtellect conversion or engagement pixel when a rule matches.

Sales signal: a Bidtellect pixel means a brand's marketing team or its agency buys native and contextual ads through Simpli.fi. That's a programmatic buyer, worth more to ad-tech sellers than a site with a generic retargeting tag.

Advertisers, not domains

Because the brand ID is in the address, I could group domains by advertiser. The 534 domains with a readable ID come down to about 207 advertisers, 129 of them on a single domain. Two own a sixth of the count. Simplot's account covers 63 domains (10.45% of Bidtellect's domains in our October 2026 crawl): Simplot Grower Solutions, Innvictis, which names Simplot as its parent company, and dozens of other agriculture domains on the same account. Vail Resorts' account covers 38 (6.3%): Epic Pass, Whistler Blackcomb, Park City Mountain and Vail-owned ski areas from Colorado to Vermont. Wisconsin Cheese's 25 promotional domains come next. I count each as one customer. No brand ID spans unrelated companies, so no agency or platform is inflating the list.

Sales signal: collapse to advertisers before you prospect. 207 brands is the real list, and the big fleets are single deals.

Does it fire?

The rules inside each pixel say where it does anything. Of the 441 universal-pixel domains, 153 have a rule for that site and 51 have rules matched on page paths alone. 223 load a pixel whose rules name only the advertiser's other sites, so nothing fires there. Simplot's pixel has one rule, for go.simplotgrowersolutions.com, which leaves its other 62 domains idle; Vail's rules cover Epic Pass, Whistler Blackcomb and a Seven Springs event page from August 2023. 14 domains (2.3%) carry five brand IDs that now return an empty script, so the pixel there does nothing at all.

"On half the domains that load Bidtellect's universal pixel, the advertiser's own rules point somewhere else, so the pixel runs and fires nothing." - Sophie Clarke, Product Marketing Manager at TechnologyChecker.io

Sales signal: stale rules, like an event page from 2023, suggest nobody maintains the setup. That's an opening for agencies offering tag audits.

Growth and churn

The chart reads 448 domains on 1 August 2026, 597 on 1 September and 611 on 1 October. The August step is on our side: the set of domains we crawl turns over every month, with dead sites dropping out and new ones added, and our detection widened over the same weeks. Since we began tracking drops on 4 August, 132 domains have lost the pixel on at least one hostname, and 30 of those still run it on another.

Sales signal: with fleets this large, one advertiser leaving can move the count by dozens. Watch the big accounts, not the total.

Who the customers are

This base is older and larger than the ones on our Seznam Sklik and Retargeted profiles, where 1.27% and 1.2% of companies have more than 1,000 staff. Here 18.16% of matched companies with a known size do, and 31% were founded before 1960. Banking leads the industries at 8.67%, and with Financial Services (6.19%) money businesses reach 14.86%; Software Development is 6.19%. Vanguard, Splunk, Databricks, CIBC, Clarios and CohnReznick are on the list, along with universities such as NC State and Aurora, and transit and utility operators such as DART and National Fuel Gas.

Sales signal: regulated, considered-purchase brands with in-house marketing teams. Pitch measurement, brand safety and consent tooling, which this kind of advertiser has to buy.

Where

The United States has 325 of the 354 matched companies, 91.81%. Canada has 9, including CIBC and Whistler Blackcomb, and the United Kingdom 4. Bidtellect and Simpli.fi sell to North American advertisers, and the list reflects it.

Sales signal: treat it as a US list. The Canadian rows are mostly cross-border brands.

The stack: Simpli.fi and the other platforms

These shares are of Bidtellect's domains in our October 2026 crawl. Simpli.fi runs on 54.23%, which fits its ownership. DoubleClick Floodlight is on 64.68%, Microsoft Advertising on 36.15%, The Trade Desk on 30.68%, StackAdapt on 22.55% and Reddit Ads on 19.07%. Rezync, which our category table lists as a rival, is the Zync pixel of Zeta Global according to Zeta's own documentation. 51 Bidtellect domains run it today, and its sync calls carry Zeta account names for the same advertisers, so it shows a second platform on the same buyer, not a Bidtellect product.

"Bidtellect is rarely a brand's only ad-buying platform. Half these sites also run Simpli.fi, and nearly a third run The Trade Desk." - Sophie Clarke, Product Marketing Manager at TechnologyChecker.io

Sales signal: these advertisers split budget across several platforms. Sell on incremental reach or on consolidation, because a sole-supplier pitch won't match how they buy.

What it costs

Neither Bidtellect nor Simpli.fi publishes a price list. The pixel comes with an advertiser's account, and cost depends on the campaigns run through it.

Sales signal: assume managed or agency-run budgets, and qualify on the advertiser's spend, not on the tag.

Key takeaways

1. 611 domains, about 207 advertisers, 16th in the category.

2. Simplot (63 domains) and Vail Resorts (38) are a sixth of the count, as single customers.

3. 223 universal-pixel domains load rules written for other sites and fire nothing; 14 carry dead brand IDs.

4. 91.81% American, 18.16% above 1,000 staff, led by banking and software.

5. Simpli.fi, Bidtellect's owner, runs on 54.23% of these domains; Rezync is Zeta Global's pixel.

How to use this list

Group by advertiser first, then filter by industry and size. The full list of 611 Bidtellect domains, with company, size and stack data, is on TechnologyChecker.io.