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Viant faces shifting buyer power, ad-tech consolidation, and growing substitute risks from walled gardens that pressure margins and growth; supplier leverage and regulatory change add complexity to its strategic outlook. This brief snapshot only scratches the surface—unlock the full Porter's Five Forces Analysis to see force-by-force ratings, visuals, and actionable implications for Viant.
Suppliers Bargaining Power
Concentrated CTV and SSP inventory
Premium CTV publishers, major SSPs and OEM platforms control scarce, high-demand inventory, giving them leverage over access and minimums; global CTV ad spend surpassed $30 billion in 2024, concentrating value with top sellers. Viant must maintain dozens of integrations and quality tiers, raising take-rates and exclusivity constraints. Publisher consolidation further concentrates power, pressuring margins and limiting supply differentiation.
Cloud, data, and ID graph dependencies
Viant’s reliance on cloud providers and third-party device/data vendors creates meaningful switching costs and pricing exposure: in 2024 AWS held ~32% of global IaaS/PaaS, Azure ~23%, GCP ~11%, concentrating negotiating power. Changes in data pricing or throttling can materially impair ad performance and unit economics, and providers owning unique signals exert disproportionate leverage. Contractual guarantees on cost, quality, SLAs, and data access are therefore critical to stabilize margins.
Platform gatekeepers (Apple/Google)
Platform gatekeepers (Apple, Google) changed OS and browser policies—ATT/IDFA (introduced 2021) and ongoing third-party cookie deprecation/Privacy Sandbox—materially reshaped addressability; industry reports showed IDFA opt-in near 25% post-ATT and Google delayed cookie removal into late 2024. Policy shifts cut match rates up to 50% and raised acquisition costs 20–40%, making gatekeepers de facto suppliers of identifiers and consent frameworks. Viant must invest in deterministic household identity and modeled signals to mitigate higher CAC and lower match rates.
Measurement and clean-room partners
Attribution, incrementality and clean-room integrations (retailer, platform, independent) are core to proving ROI; 2024 industry reports show closed-loop purchase data can improve attribution accuracy by ~25%, while certification queues and data-access fees (reported ranges $25k–$200k) often delay campaign activation by a median 6 weeks. Diversified measurement reduces single-partner dependency risk by roughly 40%.
- Attribution: closed-loop +25% accuracy
- Delays: median 6 weeks certification
- Fees: $25k–$200k data access
- Risk reduction: ~40% via diversification
Specialized talent and adtech tooling
Skilled engineers, data scientists, and privacy experts are scarce and mobile, raising supplier power for Viant as hiring competition drives up wages and mobility. Compensation cycles and equity expectations can increase operating costs; median US data scientist base pay ~120,000 in 2024. Proprietary bidder, ML, and identity tooling require continuous capex and R&D to stay competitive. Retention and knowledge capture reduce execution risk and stabilize delivery.
- Talent scarcity: high mobility
- Compensation pressure: median DS pay ~120,000 (2024)
- Tooling: ongoing R&D spend required
- Mitigation: retention and knowledge capture
CTV suppliers, cloud concentration and low IDFA opt-in tighten costs and access in 2024
Suppliers exert strong leverage: premium CTV/SSP inventory concentrated as global CTV ad spend topped $30B in 2024, pressuring access and rates. Cloud/device/data vendors are concentrated (AWS 32%, Azure 23%, GCP 11%), raising switching costs and pricing exposure. IDFA opt-in ~25% and closed-loop attribution improves accuracy ~25%, while data access fees range $25k–$200k, and median US data scientist pay ~120,000 (2024).
| Metric | 2024 Value |
|---|---|
| CTV ad spend | $30B+ |
| AWS/Azure/GCP | 32%/23%/11% |
| IDFA opt-in | ~25% |
| Closed-loop uplift | +25% |
| Data fees | $25k–$200k |
| Median DS pay (US) | $120,000 |
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Customers Bargaining Power
Large agencies and holding companies
Large agencies and holding companies (WPP, Omnicom, Publicis, IPG, Dentsu) concentrate buying power and represent roughly 40% of global agency billings in 2024, enabling aggregated budget negotiations on platform fees and strict SLAs. Master service agreements and preferred partner lists routinely compress take-rates and volume-based pricing plus audits apply double-digit fee pressure. Viant defends pricing via differentiated outcomes, proprietary tooling, and measurable ROI metrics.
Multi-homing and easy switching
Advertisers routinely run campaigns across multiple DSPs such as The Trade Desk, Google DV360 and Amazon DSP, lowering switching costs and enabling quick budget reallocation; programmatic accounted for roughly 85% of US digital display spend in 2024, reinforcing multi-homing behavior. Cross-platform planning and trafficking tools have normalized workflows, so underperformance triggers rapid spend shifts. Persistent performance and responsive service are required to retain share.
Outcome and transparency demands
Buyers demand clear incrementality, high-quality CTV reach and fraud-free delivery with transparent fees; 2024 CTV budgets rose about 12% YoY, sharpening scrutiny of ROI. Granular reporting and log-level data access are table stakes for sophisticated clients, and under-delivery or poor measurement commonly triggers fee concessions. A strong household graph and measurement integrations—covering an estimated majority of TV households—significantly reduce buyer pushback.
Budget cyclicality and RFP dynamics
- RFP timing: concentrates bids and lowers leverage for vendors
- Seasonality: enables cross-channel reallocation
- Macro 2024: $665B global digital ad spend heightens CPM focus
- Sales lever: ROI proof and vertical playbooks drive retention
In-housing and managed-service tradeoffs
Brands increasingly choose in-housing to cut costs and control (in 2024 programmatic ad spend exceeded $150B), pressuring Viant to lower platform fees while others pay premium for white-glove managed services and consulting. Viant must flexibly support self-serve tooling and full-service execution, using training, certification, and APIs to raise switching costs and retention.
- In-housing reduces managed-service spend
- White-glove drives higher ARPU
- Training, certs, APIs increase stickiness
Buyers Hold Leverage: 40% agency share, 85% programmatic - prove ROI, self-serve + white-glove
Buyers wield high leverage: 40% of billings via top holding groups, 85% of US display is programmatic and global digital spend hit $665B in 2024, forcing fee compression; CTV budgets rose ~12% YoY and programmatic spend exceeded $150B, so Viant must prove ROI, offer flexible self-serve plus white-glove to retain clients.
| Metric | 2024 |
|---|---|
| Top-agency share | ~40% |
| US programmatic display | ~85% |
| Global digital spend | $665B |
| CTV YoY | +12% |
| Programmatic spend | $150B+ |
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Rivalry Among Competitors
Strong incumbents in omnichannel DSP
Rivals The Trade Desk, Google DV360, Amazon DSP, Roku OneView, Xandr, and Adobe create fierce omnichannel DSP rivalry; feature parity in core buying tools intensifies price and performance competition. Scale advantages in identity and data—with programmatic accounting for ~86% of US digital display spend in 2024—lower unit costs for leaders. Viant must differentiate on CTV, household identity, and deeper measurement to defend share.
CTV battleground and premium supply
CTV has become the primary growth battleground, drawing major DSPs and walled gardens as US connected-TV penetration reached about 83% of households in 2024. Access to premium broadcasters and OEM data increasingly differentiates buyers, driving competition for high-quality impressions and lifting clearing CPMs by roughly 15–25% year-over-year. Unique household graphs and retail measurement can help offset CPM inflation by improving attribution and ROAS.
Walled gardens and retail media pull
Meta, YouTube (Alphabet), Amazon and major retailer ad networks capture outsized budgets via closed ecosystems and stronger conversion signals; Alphabet ad revenue was about $224B and Meta $134B in 2023, with Amazon Ads ~$52B, concentrating spend and intensifying rivalry. Native measurement and first‑party audiences shrink open‑web share, forcing interoperability and clean‑room bridges to participate. Clear open‑web ROI is required to defend spend.
Fraud, brand safety, and performance parity
As fraud controls and brand-safety standards become table stakes in 2024, perceived differentiation narrows and buyers increasingly decide on price, service, and measurable outcomes; continuous ML optimization and verified measurement are essential to avoid commoditization. Certifications and third-party audits (e.g., TAG, GARM) bolster credibility and win deals.
- Buyers: price, service, outcomes
- Must: ML optimization, verified measurement
- Credibility: TAG, GARM audits
Consolidation and partner exclusivities
Consolidation among SSPs, data providers and OEMs in 2024 has led to preferential access and bundled pricing that can edge out smaller DSPs; top consolidated platforms now claim the majority of premium inventory, intensifying rivalry. Preferential deals and exclusivities raise bid costs and compress margins for independent buyers, forcing Viant to secure strategic partnerships and exclusive datasets. Joint retail and CTV integrations can rebalance bargaining power with consolidated supply partners.
- 2024: increased SSP/data M&A heightens exclusivity risk
- Preferential access raises rivalry and CPMs
- Viant must pursue unique datasets and retailer/CTV partnerships
DSP wars: programmatic 86%, CTV 83% drive margins
Fierce DSP rivalry—Trade Desk, Google DV360, Amazon DSP, Roku—drives price/performance battles as programmatic was ~86% of US digital display spend in 2024. CTV (83% US household penetration 2024) and unique household graphs are key differentiators against walled gardens (Alphabet ad rev $224B, Meta $134B, Amazon Ads $52B in 2023). Verified measurement, ML, TAG/GARM audits and exclusive data partnerships are essential to defend margins.
| Metric | 2023/24 |
|---|---|
| Programmatic share | ~86% (2024) |
| CTV penetration | ~83% households (2024) |
| Alphabet revenue | $224B (2023) |
| Meta revenue | $134B (2023) |
| Amazon Ads | $52B (2023) |
SSubstitutes Threaten
Walled-garden ad buys
Direct investment in Meta, YouTube/Google, TikTok and Amazon substitutes large swathes of open-web DSP spend — in the US these four platforms captured roughly 64% of digital ad spend in 2024 (eMarketer), driven by superior native targeting and closed-loop attribution that attract budgets. Ease of activation and near-instant scale reduce reliance on third-party DSPs. Interop standards and credible incremental-reach proof are vital to stem budget migration.
Retail media networks
Retailers wielding first-party purchase data deliver closed-loop measurement and often 2–3x ROAS, driving advertiser preference for retail media. In 2024 US retail media spend hit roughly $67 billion, pulling share from open-web buys. As networks expand offsite, they encroach on DSP-led programmatic, shifting an estimated 15–25% of budgets. Integrations and co-measurement agreements help platforms retain and win back share.
Direct publisher and programmatic guaranteed
Brands increasingly buy programmatic guaranteed and direct deals from premium publishers, bypassing DSP fees and cutting media-buying complexity; programmatic direct now represents a significant fraction of premium inventory as advertisers chase transparency. For CTV, direct IOs with broadcasters — in a market where CTV ad spend exceeded $20B in 2024 — act as clear substitutes for platform buying. Viant must deliver unified planning, cross-deal frequency control and identity resolution to retain relevance.
Influencer and content marketing
Influencer and creator campaigns are a strong substitute as advertisers shifted an estimated $23B to influencer marketing in 2024, diverting spend from traditional display/video; perceived authenticity and production costs often 50%+ lower drive reallocation. Improved measurement—attribution, cohort lift and platform analytics—shows engagement rates 2–3x higher and measurable sales lift, though proving incremental reach and proven sales lift remains Viant’s counter-argument.
- spend: $23B 2024 (influencer market)
- cost advantage: 50%+ lower production
- engagement: 2–3x vs display
- measurement: rising cohort lift attribution
In-house tech stacks
Larger advertisers are increasingly building proprietary bidders, CDPs, and measurement stacks, reducing reliance on third-party DSPs; in 2024 cloud tooling and open-source frameworks have cut infra costs by up to 30%, lowering barriers. Ongoing maintenance, talent needs, and signal-loss from privacy changes still pose material risks. Viant can act as a complementary partner via APIs and identity services to retain relevance.
- In-house build momentum (2024): faster, cheaper infra
- Risk: signal loss & maintenance burden
- Opportunity: integrate via APIs/identity to stay indispensable
Platforms 64%, retail $67B, CTV $20B+ shift budgets from DSPs
Substitutes are high: Big four platforms took ~64% of US digital ad spend in 2024, retail media hit ~$67B, CTV >$20B, influencer ~$23B, and in-house stacks cut infra costs up to 30%, all reallocating budgets away from DSPs and forcing Viant to emphasize identity, unified planning and cross-deal measurement.
| Substitute | 2024 metric | Impact |
|---|---|---|
| Platforms | 64% US ad spend | Major budget migration |
| Retail media | $67B | Closed-loop wins |
| CTV/direct | >$20B | Bypasses DSPs |
| Influencers | $23B | Higher engagement |
| In-house | -30% infra cost | Build vs buy pressure |
Entrants Threaten
Data and identity scale barriers
High-quality identity graphs, consent management, and cross-device resolution demand years of data, complex rights management, and often >$100M in upfront tech and data acquisition, creating steep scale barriers in 2024. Newcomers struggle to reach Viant-like match rates and coverage, driving lower performance and higher CAC. Without scale, CPMs rise and ROI falls, deterring pure-play entrant DSPs.
Integration and certification complexity
Winning requires dozens of SSP, CTV, measurement and clean-room integrations plus ongoing certifications, each adding engineering load and partner management. Meeting latency targets (sub-100ms), high QPS (tens of thousands/sec) and 99.95%+ uptime SLAs at scale is operationally intense. These hurdles translate into multi-million-dollar platform investments and raise effective entry costs in 2024.
Regulatory and privacy compliance
CCPA/CPRA and GDPR (fines up to $7,500 per intentional CCPA violation and up to €20m or 4% of global turnover under GDPR) plus evolving platform policies force heavy investment in privacy engineering and governance; cumulative GDPR fines exceed €3.6bn to date. New entrants face legal risk, slower market access and higher go-to-market costs; consent, data‑retention and immutable audit trails are technically and operationally nontrivial. Established players gain a moat from compliance muscle and sunk costs.
Capital intensity and unit economics
Real-time bidding infrastructure, fraud prevention, and ML optimization require high upfront and operating spend; programmatic accounted for over 80% of digital display in 2024, and industry estimates put ad-fraud losses at roughly 10–20% of spend, increasing compliance and tech costs. Margins for new DSPs can be slim until scale, with gross economics often negative for several quarters. Customer acquisition needs incentives, agency relationships and rebates, raising CAC and deterring broad venture-stage entry.
- High tech capex and Opex
- Ad-fraud 10–20% (2024 estimates)
- Programmatic >80% of display (2024)
- High CAC via agency incentives
Niche entrants and vertical platforms
Specialized entrants can penetrate Viant’s market via retail media (US retail media spend projected around $60B in 2024), CTV OEM stacks (US CTV ad spend ~ $24B in 2024), or measurement-only plays, allowing them to siphon niche budgets and win vertical advertisers. Over time these players often expand horizontally beyond niches. Viant must keep differentiating in household identity, CTV capabilities, and measurement to defend share and margins.
- Retail media: niche budget capture
- CTV OEMs: platform-driven scale
- Measurement plays: expand horizontally
>$100M upfront tech costs and GDPR risk bar DSP entrants
Steep scale barriers: identity graphs, consent, and data (> $100M upfront) plus sub-100ms RTB ops raise entry costs in 2024. Compliance and GDPR/CCPA risk (cumulative GDPR fines > €3.6bn; fines up to €20m or 4% turnover) deter entrants. Niche routes (retail media ~$60B, CTV US ~$24B) enable specialized entrants but broader DSP entry remains constrained.
| Metric | 2024 figure |
|---|---|
| Upfront tech/data | >$100M |
| Programmatic share | >80% display |
| Ad-fraud | 10–20% spend |
| Retail media (US) | ~$60B |
| CTV (US) | ~$24B |
| Cumulative GDPR fines | >€3.6bn |