Lumenalta’s celebrating 25 years of innovation. Learn more.
placeholder
hero-header-image-mobile

Unifying AdTech data: A low-risk path to AI-readiness

JUL. 23, 2025
6 Min Read
by
Lumenalta
AdTech companies often find their data trapped behind a “wall” of fragmented systems built up over decades.
From legacy ad servers to disparate bidding platforms and analytics tools, each system holds a piece of the puzzle. The result is siloed information that’s hard to integrate, leading to slow insights and missed opportunities. Tearing everything down and rebuilding from scratch isn’t feasible for most – it’s too risky, costly, and disruptive. Instead, forward-looking firms are discovering that they can break through the data wall with a strategic, incremental approach that preserves past investments while modernizing for the future.

key-takeaways
  • 1. AdTech firms don’t need to rebuild from scratch to unify fragmented systems and data flows.
  • 2. Cloud-native integration provides a modular path to modernization without disrupting existing operations.
  • 3. A unified architecture supports streaming, batch, and third-party data for deeper, real-time insights.
  • 4. Unified data drives faster decisions, stronger governance, and measurable gains in marketing ROI.
  • 5. Modular modernization unlocks agility while preserving legacy investments and speeding innovation.

Legacy adtech platforms trap data in silos

Advertising technology stacks tend to sprawl into specialized platforms that don’t talk to each other. A large enterprise might use around 120 different marketing and adtech tools on average, from ad servers and DSPs to CRMs and web analytics, each with its own database. These siloed systems prevent a unified view of campaigns and customers. Teams end up manually exporting reports and stitching data together, which wastes valuable time. Knowledge workers spend nearly 29% of their week (about 12 hours) just searching for information across disconnected sources. This fragmentation isn’t just an inconvenience; it directly impacts the business. Poor data quality and inaccessible data come at a high price – Gartner estimates bad or siloed data costs organizations about $12.9 million per year on average. Clearly, the status quo of isolated legacy platforms is unsustainable for data-driven advertising outcomes.

“Tearing everything down and rebuilding from scratch isn’t feasible for most – it’s too risky, costly, and disruptive.”

Cloud native integration connects existing ad systems

The good news is that AdTech firms don’t need a full rebuild to solve this problem. A cloud-native integration strategy can connect existing ad systems into a unified whole without ripping them out. Instead of replacing legacy ad servers or bid management tools, organizations layer modern data architecture over them. Using cloud data warehouses, real-time streaming platforms, and robust APIs, companies can stitch together siloed ad systems into one data fabric. This modular approach means each legacy system continues to operate, but its data flows into a central, cloud-based repository in near real time. For example, impression logs from an old ad server, programmatic bid-stream data, and offline marketing databases can all feed into a cloud data lake or warehouse. The integration pipelines transform and unify this information so that analysts and AI models see a complete picture. Crucially, this is done incrementally, one connection at a time, avoiding the downtime and risk of a “big bang” overhaul. 

Combining streaming, batch, and third-party data for real-time insights

Modern advertising data comes in various speeds and sources. A successful unified architecture must handle fast-moving streams, periodic batch updates, and external data feeds. 

Streaming data from real-time ad delivery

In programmatic advertising and digital campaigns, data streams in continuously, from ad impressions, clicks, and conversions happening every second. Capturing and analyzing this streaming data is vital for real-time insights. Many organizations are already moving in this direction: about two-thirds of companies now use event-stream processing for real-time analytics. Integrating streaming pipelines allows AdTech firms to ingest bid requests, user events, and other live data into their unified platform. This enables up-to-the-minute dashboards and rapid decision loops – for example, adjusting campaigns or budget allocations on the fly based on current performance. The unified architecture ensures streaming data isn’t trapped in one system but flows into the enterprise’s broader analytics fabric, ready to drive instant optimizations.

Batch data from legacy and offline systems

Not all valuable advertising data arrives in real time. Legacy systems and partner reports often deliver data in batches, such as daily campaign summaries, weekly audience reports, or historical transaction records. An incremental modernization approach embraces these slower data flows. Cloud integration tools can regularly extract and load batch data from older databases or files into the central repository alongside streaming inputs. By combining historical batch data with live streams, AdTech companies get both the long-term context and the real-time state. Trends and baselines from past campaigns enrich the interpretation of current events. For example, a unified platform might merge yesterday’s conversion totals from a legacy analytics system with today’s streaming click data, giving a complete view of performance. The key is designing the data architecture to handle different paces of data, ensuring nightly or monthly batches integrate seamlessly with continuous streams. With unified storage and governance in the cloud, even decades-old data can contribute to timely insights when paired with streaming updates.

Third-party data and external enrichment

Advertising strategies are increasingly relying on data from external sources, including demographic segments, intent signals, context data, and more. Incorporating third-party data enriches an organization’s own customer and campaign information, but it also introduces complexity. Studies show that over half of digital marketing campaigns use third-party data, drawing from an average of nearly 12 different providers. Each provider may supply data in its own format and cadence. A modern adtech data fabric needs to ingest and harmonize these external feeds into the unified model. With a cloud-first integration approach, companies can set up pipelines or clean room environments to bring in third-party audience segments, ad fraud signals, or industry benchmarks and join them with internal data. This yields a more complete insight, for example, matching an impression event with external demographic attributes to better understand audience quality. 
The integration must account for privacy and compatibility. It’s not always easy; approximately 40% of marketers report that interoperability and customization challenges hinder their data unification efforts. By using standardized interfaces and data models in the cloud platform, AdTech firms can overcome these challenges. The result is that third-party and partner data become just another input to the unified dataset, rather than sitting in yet another silo. When streaming, batch, and external data are combined, decision-makers get real-time insights enriched with depth and breadth, a competitive advantage in fast-moving advertising markets.

Unified advertising data drives faster insights and ROI

Unifying data isn’t just a technical fix; it’s a direct path to better business performance. When adtech systems feed into a centralized, cloud-native architecture, teams across the organization gain access to faster insights, improved collaboration, and scalable results. 
  • Real-time agility for campaigns: With all data in one place, teams can make decisions on campaigns immediately based on current performance. Unified, up-to-the-minute dashboards let marketers optimize ad spend or creative in hours rather than weeks, improving return on ad spend and reducing wasted budget.
  • Holistic customer and channel view: Integration breaks down the silos between channels and platforms, providing a 360-degree view of the customer journey and cross-channel campaign impact. Executives gain a single source of truth for marketing performance, eliminating conflicting reports and enabling more informed strategic decisions.
  • Efficiency and cost savings: A unified data pipeline streamlines operations. Analysts and managers spend far less time collecting and reconciling data and more time generating insights. Eliminating duplicate databases and manual processes cuts operational costs and improves productivity, directly benefiting the bottom line.
  • AI-ready data foundation: Modern advertising increasingly uses AI for targeting and optimization. By centralizing high-quality data (including historical and real-time), organizations create an AI-ready dataset where data scientists can easily train machine learning models. Better data unity leads to more accurate predictive analytics and personalized ad experiences, driving higher ROI through smarter automation.
  • Improved governance and compliance: When data flows through a unified architecture, it’s easier to enforce consistent governance and security. Companies can apply privacy controls, consent management, and security monitoring across all advertising data in one framework. This reduces the risk of data breaches or compliance violations and builds trust with customers and regulators.
  • Faster innovation and time-to-value: A unified data environment accelerates new initiatives. Launching a new analytics tool, attribution model, or data-driven product is faster when the necessary data is already integrated and accessible. AdTech firms become more agile in responding to market changes, able to experiment and deploy new data-driven strategies quickly to seize opportunities.
Each of these benefits compounds over time. Unification turns fragmented data into a force multiplier, driving efficiency, accountability, and faster growth. For AdTech leaders, this isn’t a future vision; it’s an immediate strategic imperative.

"With all data in one place, teams can make decisions on campaigns immediately based on current performance."

Lumenalta’s approach to modular modernization in adtech

These benefits underscore what’s possible when fragmented data systems become unified. Achieving it, however, requires a pragmatic plan that modernizes the adtech stack step by step. Lumenalta’s approach to modular modernization in adtech focuses on incrementally building a connected data architecture without disrupting ongoing operations. It starts with a strategic assessment of existing platforms and data silos to identify high-impact integration opportunities. Instead of a risky “rip-and-replace,” cloud-native data pipelines and integration APIs are layered on top of legacy ad systems. This allows formerly siloed ad servers, bidding tools, and databases to feed into a common cloud data platform. Each integration module delivers a quick win, for example, unifying campaign performance data from two major platforms, while the legacy systems continue to run. 
Early efforts might focus on unifying a few critical data streams (such as real-time bid analytics and CRM audience data) to prove the ROI of integration. Subsequent phases incorporate additional sources and more complex workloads, like advanced attribution models or real-time personalization algorithms, once the integrated foundation is in place. Throughout the process, governance and scalability are built in so that the unified data platform remains reliable and secure as it grows. The end state is an adtech ecosystem where legacy and modern components work in concert, enabling enterprise-scale insights and AI-powered innovation without the downtime or expense of a complete overhaul. This modular modernization lets AdTech firms transform at their own pace, ensuring agility and competitive advantage while leveraging the technology investments they’ve already made.
table-of-contents

Common questions about fragmented data


How do I consolidate adtech data across multiple legacy platforms without disruption?

What’s the most efficient way to blend batch, streaming, and third-party advertising data?

How can I improve my campaign performance insights without replacing my entire stack?

What are the security and compliance risks of fragmented adtech systems?

How do I integrate new adtech vendors or tools into an existing infrastructure?

Want to learn how data modernization can bring more transparency and trust to your operations?