Skip to content

The Shift Away From The Open Web

The rise of Private Marketplaces and Programmatic Direct.

The rise of Private Marketplaces and Programmatic Direct deals is being accelerated by two major forces: the deprecation of third-party cookies and a noticeable decline in the quality of open web inventory.

As the programmatic advertising landscape matures, one trend has taken center stage: the rapid rise of Private Marketplaces (PMPs) and Programmatic Direct (PDs). Our Media Buying Specialist, Jerry Li, is sharing why for brands seeking transparency, control, and premium inventory, PMPs and PDs have emerged as the preferred path to digital success.

What Are Private Marketplaces (PMPs) and Programmatic Direct (PDs)?

Private Marketplaces (PMPs) are invitation-only programmatic auctions where select advertisers get exclusive access to premium publisher inventory. Unlike open exchanges that are accessible to all, PMPs offer a controlled, brand-safe, and high-quality advertising environment.

Programmatic Direct (PD) refers to one-to-one, pre-negotiated deals between advertisers and publishers that bypass real-time bidding. This method guarantees inventory and pricing, ensuring premium placement and predictable outcomes. PD is ideal for advertisers looking to secure specific, high-value ad environments with minimal risk and maximum transparency.

Programmatic Curation takes supply control even further – it involves aggregating and packaging premium ad inventory across multiple publishers, enhanced with first-party data and audience enrichment into easily activated Deal IDs. This approach offers refined transparency, improved targeting using privacy-first signals, and streamlined media paths that bypass complexity in the programmatic supply chain.

Why PMPs and PDs Are On the Rise

  1. Greater Control, Quality & Brand Safety: Open exchanges are often riddled with risks like ad fraud and unwanted placements next to inappropriate content. A recent influx of GenAI made-for-advertising (MFA) sites that are low quality can heavily inflate wasted budget if left unattended. PMPs mitigate these issues by offering curated inventory from trusted publishers, allowing advertisers to ensure their brand appears in safe, relevant environments.
  2. Premium Access to High-Value Audiences: PMPs often include first-party data integrations with publishers, making them ideal for targeting specific, high-value audiences. This is particularly beneficial in sectors where precise targeting is critical, such as B2B, finance, and healthcare.
  3. Rising Demand for Transparency: As advertisers seek more accountability, PMPs deliver visibility into where ads appear, what they cost, and how they perform. This transparency is invaluable for brands needing governance, compliance, or campaign performance auditing.
  4. The Decline of Third-Party Cookies: Whilst cookies haven’t gone fully, they are definitely crumbling (excuse the pun) as browsers such as Safari and Firefox are already cookieless, with Chrome now offering an opt-out for cookies, meaning over 50% of online traffic is already unaddressable – meaning less accurate tracking and audiences. PMPs provide an alternative by leveraging publisher first-party data, making audience targeting more reliable and privacy-compliant.
  5. Programmatic Spend Is Shifting: According to eMarketer, over 80% of U.S. non-social programmatic spend is now transacted through PMPs or programmatic direct deals. Despite higher CPMs, advertisers are realizing better ROI due to increased engagement and conversion.

What This Means for B2B Marketers

For B2B brands, PMPs are particularly advantageous:

  • Firmographic and contextual targeting allows precision engagement of decision-makers.
  • Access to niche professional environments and platforms to leverage their reach and reputation as within the industry.
  • Alignment with ABM strategies enables better targeting of strategic accounts.

While much attention has shifted to PMPs and curated inventory, the open web can still provide significant value, such as bolstering scale and reach across ABM and ATL campaigns. Open Web inventory still allows brands to achieve reach and frequency at levels that more controlled channels cannot always match. However, it is critical that brand safety measures are built in from the start: implementing inventory block lists, applying category exclusions, and leveraging brand safety partners ensures impressions land in relevant, quality environments.

Private Marketplaces are no longer a niche option – they’re fast becoming the gold standard for digital media buying. With growing privacy regulations, shifting consumer trust, and the need for measurable performance, PMPs and PDs offer the strategic edge modern marketers demand.