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Omnichannel marketing: The path to more connected campaigns

Published: August 21, 2025 by Kimberley Klevstad, Account Director, Retail

Why omnichannel is no longer optional

Marketers aren’t thinking in channels anymore: they’re thinking in audiences.

As consumer media habits have scattered across devices, platforms and formats, brands have shifted their focus from managing one channel at a time to delivering a connected experience. That’s the core of omnichannel marketing: meeting people where they are and making each touchpoint feel like part of a larger narrative.

However, most brands still encounter the same roadblocks: siloed data, fragmented planning and tools that don’t integrate. And while the industry talks a great deal about omnichannel marketing, few are actually doing it well. The brands that figure it out won’t just reach more people; they’ll improve brand perception while improving the customer journey, achieving better outcomes, and optimizing their media spend more efficiently.

Learn more about this trend in our 2025 Digital trends and predictions report.

Why omnichannel is no longer optional

Omnichannel marketing has long been a goal, but recent shifts in media and technology now make it a necessity. According to Forrester, 21% of global B2C business and tech professionals identified enhancing omnichannel or cross-channel customer experiences as a top priority for their organization today.

Connected TV (CTV) and commerce media networks are emerging as dominant channels, necessitating the coordination of messaging across an expanding ecosystem of streaming, programmatic display, and commerce-driven environments in addition to the multitude of other addressable (and non-addressable) channels. Fortunately, identity solutions continue to evolve, enabling marketers to maintain audience addressability in digital channels even as traditional signals decline and privacy regulations intensify.

Consumers expect this kind of cohesion. They don’t see “channels” – they just see a brand. A member of your loyalty program might browse a product online, see the exact item later on their socials, and then receive an email offer. If those messages feel disconnected or out of sync, this will not be a good customer experience, and a brand risks wasting impressions and losing conversions.

Omnichannel isn’t about showing up in more places. It’s about showing up with a consistent message.

The opportunities inherent in true omnichannel execution

Despite the industry’s movement toward omnichannel marketing strategies, there are a few untapped opportunities brands would benefit from pursuing.

Performance optimization icon

Break down planning silos to optimize performance

Many marketers still plan and measure media in silos: programmatic display, CTV, commerce media, search, social, email, SMS, and each might have their own budgets, strategies, and KPIs. This disjointed approach leads to inconsistent messaging, inefficient spend, and overexposure or underexposure to key audiences.

The opportunity? Shift toward integrated media planning and measurement. By aligning teams and KPIs across channels, marketers can optimize frequency, coordinate creative sequencing, and better attribute business outcomes. Breaking down internal silos improves the customer experience and drives more effective performance. With two-thirds of North American CMOs naming siloed data as their biggest obstacle, those who solve it stand to gain a clear advantage.

An icon of a finger pointing at something

Encourage interoperability to activate audiences consistently

Omnichannel success depends on defining an audience once and reaching them everywhere. But in today’s ecosystem, where walled gardens control inventory and many tools remain disjointed, this is easier said than done. Just under a third of marketers say the tools they use don’t work well together.

The opportunity? Invest in interoperable systems that give you control over your data and privacy-safe solutions like clean rooms or universal IDs that enable consistent audience activation across platforms.

Icon of three people

Advocate for a unified identity framework

Audience data remains fragmented: commerce media networks control shopper data, TV platforms hold viewership data, and walled gardens provide limited data transparency and determine which data they will share, making it difficult to recognize, reach, and follow the customer journey across digital touchpoints. Without a unified view, campaigns remain disconnected and cross-channel attribution is difficult.

The opportunity? Advocate for a centralized, privacy-conscious identity framework that bridges fragmented data sources. This would allow marketers to recognize consumers across platforms and deliver cohesive messaging.

Marketers need solutions that enable connected audience activation while respecting privacy requirements and platform-specific constraints. Without this, omnichannel remains an aspiration rather than a reality.

Data and identity: The tools you need in your toolkit to make omnichannel work

Implementing omnichannel right starts with establishing identity. Brands need a foundation that lets them connect the dots: across data, platforms and channels. Here’s how:

Build a unified identity foundation

“A single view of the customer is the foundation of a successful omnichannel program,” says Forrester in a December 2023 report on omnichannel. This begins by connecting disparate data sources, including persistent offline information, such as addresses, emails, names, and phone numbers, with digital signals, in a privacy compliant way. And this, in turn, creates a strong identity foundation. Solutions that integrate hashed email addresses (HEMs), mobile ad IDs (MAIDs), IP addresses, CTV IDs, and universal IDs enable brands to resolve customer identities across different platforms, ensuring that campaigns remain addressable as users transition between channels.

An image that represents a person's offline data - their name, address, and email

Activate audiences everywhere, without the hassle

Brands should be able to define an audience once and activate it across all addressable channels without unnecessary complexity. Interoperability between demand-side platforms (DSPs), supply-side platforms (SSPs), clean rooms, and private marketplaces (PMPs) ensures that high-quality audiences are matched with premium inventory in a targeted, transparent, and efficient manner. This connectivity helps maintain consistent audience targeting—even as consumers engage in different environments. By working with a partner that seamlessly integrates with major platforms, marketers ensure that data quality and identity resolution remain intact throughout campaigns, avoiding data loss that occurs when data is transferred between different, disparate platforms.

A picture of a woman with four icons surrounding her that represent a TV, cell phone, house, and email

Measure across channels, and the customer journey

Effective omnichannel marketing isn’t just about reaching audiences—it’s about understanding how different touchpoints contribute to conversions. Advanced attribution models, incrementality testing, and cross-platform frequency management enable brands to use consistent identity across campaign planning, activation and measurement so they connect ad exposures to real-world outcomes. Achieving this requires a strong identity resolution partner—one that can unify audience data across environments and power accurate, privacy-compliant measurement at scale.

An icon of a man on the left and a megaphone icon on the right with 3 icons in between them that represent a TV, cell phone, and laptop

The future of omnichannel marketing

Omnichannel is becoming the baseline expectation for modern marketing. The brands that figure out how to connect the dots across the increasingly disparate media landscape will drive better performance and build stronger customer relationships.

By working with a partner that can offer you an end-to-end data and identity solution focused on consumers, not channels, you can better understand your best customers (and your next customers), reach them across channels, and measure cross-channel campaigns more effectively, making true omnichannel execution more achievable.

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Sell-side targeting with OpenX

We’re excited to introduce the next segment in our Q&A series, Ask the Expert! Ask the Expert features a series of conversations with product experts where we dive into the areas you care most about like identity resolution, targeting, attribution, and more. Our next segment features a conversation about sell-side targeting. Mike Chowla, SVP of Product at OpenX joins us to chat with Experian’s SVP of Sales & Partnerships, Chris Feo. OpenX is the world's leading sell-side platform for audience, data, and identity targeting. In their conversation, Mike and Chris review: The shift to targeting on the sell-side How first- and third-party data are being used on the sell-side How OpenX is thinking about alternative IDs Watch the recording What is sell-side targeting? Sell-side targeting optimizes the way buyers and supply-side platforms (SSPs) work together. This approach moves the responsibility of inventory and audience targeting from the demand-side platform (DSP) into the SSP, providing advertisers with increased reach and better performance. With sell-side targeting, locating your target audience becomes easier as you have a more direct connection with publishers. This increases your ability to scale against a target audience. Specifically, the SSP directly matches the buyer's audience or data segment to the publisher inventory and audience and automatically sends the impression to the buyer's DSP of choice via a deal ID, providing advertisers with improved reach and performance metrics as well as control over their inventory. With more direct access, your budget can likely go further, and you can decrease your effective cost per mille (eCPM) and get more working media. "Supply-side targeting is the next phase of how supply path optimization (SPO) and buyers will need to work more closely with SSPs." – Mike Chowla, SVP, Product, OpenX Buying on the sell-side vs. open exchange When buying on the open exchange, you have access to a vast number of impressions. With sell-side targeting, you can apply your campaign targeting directly on the supply-side and activate those impressions through a deal ID. Sell-side targeting works across various formats including web display, mobile, in-app, and connected TV (CTV) for a seamless advertising experience. OpenX offers the unique capability to match users using their device graph within their SSP. This means you can target users from traditional data sources such as cookies or mobile ad IDs (MAIDs) and reach them in CTV or app environments. This gives you even more reach and precision in your advertising efforts. The role of first- and third-party data on the sell-side Buyers are showing a keen interest in bringing their own first-party data into the process of sell-side targeting. Meanwhile, certain agencies have been actively involved in working with identity and data. OpenX is currently collaborating with several agency ID solutions such as Choreograph, Merkel, and Horizon. Buyers are also purchasing third-party data and data segments from various providers through OpenX's platform for sell-side targeting purposes. By utilizing this data on the supply side, buyers are able to increase the match rate against their first- and third-party data segments in all environments. This ultimately maximizes scale against these audiences and drives a more efficient CPM due to eliminating waste. Measurement and attribution on the sell-side In the current state of SSP advertising, there is more of an emphasis on targeting capabilities than measurement and attribution. That said, SSPs can provide granular log level reports that can be utilized for multi-touch attribution (MTA) or mixed media models (MMM). These granular insights not only inform measurement and attribution models, but they also provide valuable optimization insights such as clearing price. Additionally, advertisers have all of the same reporting options that they’re used to getting through their DSP because their buys are activated via deal ID in the DSP of their choice. What to consider when transitioning to sell-side targeting There are two primary items you should consider when transitioning to sell-side targeting: Supply Reach Reach Collaborating with partners who have the right capabilities can greatly improve reach and audience extension across different devices. For instance, if you bring your first-party audience or a third-party audience and are identifying that consumer via a cookie or MAID, being able to extend that targeting segment to other devices and platforms can be highly beneficial. Supply It's crucial to collaborate with partners who have the right access to supply and direct connections with publishers. While targeting is essential, it's equally important to have high-quality supply to drive performance. Reaching consumers in a cookieless future Whether you're targeting on the demand or sell-side, it always starts with the consumer and who you're trying to reach. Significant changes in the consumer privacy landscape are impacting advertisers' ability to access various signals emitted by consumers through their devices and browsers. Recent developments from Apple and Google have further amplified this situation. Alternative IDs as a solution to signal loss In response, we're seeing the emergence of alternative IDs like UID2, Ramp ID, and ID5. OpenX supports these types of IDs and considers them crucial for audience buying in a privacy-centric cookie-less future. We are still in the early stages of this evolution. While some of the IDs have good coverage, cookies will continue to be the primary targeting method as long as they remain available. Nevertheless, we see alternative IDs as one of several solutions that will become increasingly important as third-party cookies disappear. Contextual buying will also emerge, and a set of solutions will come together to enable advertisers to keep finding their audience in a cookie-less world. Overcoming signal loss with identity resolution Looking ahead, as we continue to lose signals due to the evolving consumer privacy landscape, we will witness two things: Continued fragmentation A wide variety of identifiers Content will continue to be available on various devices. We're currently experiencing the emergence of connected TV, but who knows what other devices will surface over the next five to ten years. As cookies disappear, which have been the primary identifier, and alternative IDs are introduced, the wide variety of identifiers will create further fragmentation. This highlights the need for identity in the future. Identity resolution at Experian matches fragmented identifiers to a single profile to create a unified, cross-channel view of your consumers. Our identity resolution solutions can help future-proof your marketing strategies. How Experian and OpenX work together Experian is a key player in OpenX's OpenAudience solution and helps to power many of their data segments as well as their identity graph. While OpenX collaborates with a variety of providers and operates a fully interoperable platform, Experian remains valuable to the core technology within OpenX's SSP. "Experian powers a lot of the data segments and identity graph that OpenX has in our OpenAudience capabilities as part of our SSP." – Mike Chowla, SVP, Product, OpenX Watch the full Q&A Visit our Ask the Expert content hub to watch Mike and Chris's full conversation on sell-side targeting. In the Q&A, Mike and Chris also share their thoughts on the impact artificial intelligence (AI) will have on the AdTech industry and their go-to sources for staying up to date on all things AdTech. Watch now Get in touch About our experts Mike Chowla, SVP, Product, OpenX Mike Chowla is the SVP of Product at OpenX where he leads product development and innovation, from customer discovery and user research to the development, delivery, and support of a market-leading product suite. Chowla holds a BS in Engineering from the University of Southern California, and an MBA from The University of Pennsylvania. Chris Feo, Chief Business Officer, Experian As SVP of Sales & Partnerships, Chris has over a decade of experience across identity, data, and programmatic. Chris joined Experian during the Tapad acquisition in November 2020. He joined Tapad with less than 10 employees and has been part of the executive team through both the Telenor and Experian acquisitions. He’s an active advisor, board member, and investor within the AdTech ecosystem. Outside of work, he’s a die-hard golfer, frequent traveler, and husband to his wife, two dogs, and two goats! Latest posts

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Three eco-conscious audiences for Earth Day

As Earth Day approaches, it’s the perfect opportunity for marketers to explore innovative ways to engage with eco-conscious customers. With a strong and growing interest in sustainable business practices worldwide, green audiences are becoming increasingly influential. In addition to being good for the planet, engaging these customers is great for any brand or organization striving to become more eco-friendly and socially responsible. By taking advantage of this timely event and using appropriate tools, you can create personalized campaigns that will both promote your brand and increase customer loyalty. Eco-conscious audiences In this blog post, we'll cover three eco-conscious audiences to target this Earth Day: Solar energy GreenAwareTM Electric vehicles Solar energy Our first eco-conscious audience is Solar energy. Consumers in this audience show an inclination toward harnessing the power of the sun as a clean, renewable energy source. 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Solar energy audience pairings Consumers in our Solar energy audience also belong to three of our Mosaic® USA groups: Power Elite Flourishing Families Booming with Confidence Our consumer segmentation portal of 126 million households and 650 lifestyle and interest attributes empowers marketers like you to precisely target your ideal audience and communicate with them on a personal level. Mosaic’s data segments the U.S. into 19 overarching groups and 71 underlying types, giving you the insights needed to anticipate the behavior, attitudes, and preferences of your most profitable customers and communicate with them on their preferred channels, with messaging that resonates. GreenAware Our second eco-conscious audience is GreenAware. GreenAware segments the 126 million U.S. households within Experian Marketing Data into four distinct groups. 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Education level and occupation Passive Greenies are more likely to work Blue Collar jobs and have the lowest level of education. As the wealthiest segments, Sustainable Spectators and Eco Critics have the highest levels of college degrees and work in management, business, and financial operations. Eco-Friendly Enthusiasts are the most likely to be retired and out of the workforce. Preferred engagement channels Streaming TV is the preferred engagement channel for all GreenAware segments. Eco-Friendly Enthusiasts prefer digital channels like digital newspapers, mobile SMS, and email. They also engage with traditional channels like direct mail and newspaper. Passive Greenies have a high preference for digital display, mobile SMS, digital video, broadcast cable TV, and radio. Eco Critics have a high preference for digital channels like digital newspapers, mobile SMS, and digital display. Sustainable Spectators strongly prefer digital newspapers. 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The top designated market areas (DMAs) for new retail EV registrations are mostly located in heavily populated, coastal cities like Los Angeles, CA and New York, NY. The fastest growing DMAs, however, are in smaller cities like Tucson, AZ and Oklahoma City, OK. Generational demographics Gen X and Millennials make up the largest percentage of new retail EV buyers at 37.5% and 34.4%. Gen Z and the Silent generation represent the smallest shares at 5% and 2.1%. Boomers hover between Gen X and Millennials' share and account for 20.6% of new EV retail purchases. EV audience pairings Our top five Mosaic groups for new EV buyers include: American Royalty Cosmopolitan Achievers Philanthropic Sophisticates Couples with Clout Fast Track Couples How to target consumers in-market for electric vehicles We offer 70+ audiences that are focused on likely buyers and owners of EV and plug-in hybrid (PHEV) vehicles. We also offer a subset of 28 audiences focused on individual EV/PHEV vehicle models. Below is how you can find a few of these audiences on-the-shelf of most trusted advertising platforms: Autos, Cars, and Trucks > In Market-Fuel Type > Electric Autos, Cars, and Trucks > In Market-Fuel Type > Used Electric Autos, Cars, and Trucks > In-Market Make and Models > Tesla Autos, Cars, and Trucks > In-Market Make and Models > Chevrolet Bolt EV We can help you reach eco-conscious consumers Earth Day is a great opportunity to get creative with your marketing efforts with our three eco-conscious audiences: Solar energy, GreenAware, and electric vehicles. To find out how you can add eco-conscious audiences to your marketing plan, contact us. Get in touch Latest posts

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