The 2026 Marketing Budget & ROI Report

Marketing budgets have barely moved in four years — but the cost of winning a customer keeps climbing. That mismatch is the defining tension of 2026: CMOs at large enterprises report spending just 7.8% of revenue on marketing, well below the pre-pandemic norm, while acquisition costs have risen as much as 60% over five years. For small and service businesses without a Fortune 500 budget, the question isn’t abstract — it’s existential: how much to spend, where to put it, and which channels still pay back.

This report synthesises the year’s most credible published benchmarks — the Gartner CMO Spend Survey, the Deloitte/Duke CMO Survey, U.S. Small Business Administration guidance, Nielsen’s marketing ROI research, and channel-level data from WordStream and others — into a single, decision-useful view of spend, allocation, ROI and the measurement problems that undercut all three. Every figure is a reported average, not a target; your right number depends on your margins, growth stage, and business model.

The Headline Numbers

Eight numbers frame this report. Read them as a map, not a verdict — each one shifts with your industry, your channels and your market.

How We Built This Report

Budget-to-revenue figures are drawn from two primary annual surveys that are tracked separately throughout this report rather than blended, because they sample different populations: the Gartner CMO Spend Survey (401 CMOs and marketing leaders across North America, the UK and Europe, fielded January–March 2026, skewed toward companies over $1 billion in revenue) and The CMO Survey, run by Duke University’s Fuqua School of Business with Deloitte and the American Marketing Association (a broader U.S. sample including many smaller firms). Where the two disagree, both figures are reported with their sample context rather than averaged.

Channel allocation and ROI figures combine Gartner’s spend-category breakdowns with cross-industry ROI/ROAS benchmarks from Nielsen, WordStream, Varos and other named research firms, plus SBA guidance for owner-operated businesses. CAC and attribution figures draw on compiled industry benchmark studies (GrowSurf, affninja, Shopify’s Global Commerce Report) and CMO/CFO measurement research from Nielsen and Marketing Dive. Cross-industry averages throughout should be read as directional benchmarks, not prescriptive targets — methodology, currency and time period vary by source and are noted where they materially affect the number.

How Much Should You Actually Spend?

The most-cited enterprise benchmark comes from Gartner: marketing budgets have been on a plateau since 2022, with today’s average budget at just 7.8% of company revenue — which is 18% lower than the mean budget allocation just four years ago. That figure comes from a survey conducted January through March 2026 among 401 CMOs and other marketing leaders in North America, the United Kingdom and Europe across different industries, company sizes and revenue, with the vast majority of respondents reporting annual revenue of over $1 billion — in other words, it’s a large-enterprise number.

Marketing budget as a share of revenue, by source and segment

The Deloitte/Duke CMO Survey, which reaches a broader U.S. sample including far more small and mid-sized firms, puts the figure meaningfully higher. The CMO Survey, run by Duke University’s Fuqua School of Business with Deloitte, put it at 9.0% of revenue among a broader United States sample, its lowest budget share since 2021. The gap between the two is not noise: smaller organizations consistently spend a higher share of revenue on marketing than the billion-dollar companies that dominate Gartner’s panel.

For owner-operated businesses, the clearest guidance is simpler. The U.S. Small Business Administration recommends 7-8% for businesses under $5 million in revenue, though the SBA’s 7 to 8 percent benchmark comes with an important caveat that almost no one repeats: it assumes the business is running on margins of 10 to 12 percent. Business model swings the number further: B2C product companies allocate 15.5% of revenue to marketing, while B2B product companies allocate just 6.4%. B2C services land near 10%, and B2B services land at 9%. And AI maturity is now its own budget signal — organizations that Gartner calls "AI strategists", those with fully optimized internal AI processes, are allocating an average of 11% of total revenue to marketing, compared with 7.8% across all respondents.

None of these are targets to hit blindly. Read them as a range — roughly 6% at the lean B2B end to 15%+ for consumer product brands and early-stage growth — and set your own number against your margins and growth stage.

Where the Budget Actually Goes

Inside the budget, paid media keeps expanding at the expense of almost everything else. Paid media is the largest and only growing budget category in the Gartner data, reaching 30.6% of the marketing budget in 2025 and 31.4% in 2026. More broadly, digital channels jumped from 54.9% of marketing budgets in 2023 to 67.5% in 2026, according to Gartner-linked benchmark data, and a separate Gartner release found paid online channels lead the digital mix, accounting for 69% of total digital spend.

Share of total marketing budget by line item, Gartner 2026 CMO Spend Survey

Martech tells the opposite story. The mean percentage of marketing budget allocated to martech has reached a five-year low, from 26.6% in 2021 to 19.4%, even though 62% of the 401 CMOs who participated in the 2026 Gartner CMO Spend Survey were planning to invest more in marketing technology. The shrinkage reflects consolidation: in the past year, 56% of respondents have increased how much of their martech budget they've allotted to [consumption-based] pricing model; just 9% have decreased their allocation.

Within the funnel, dollars are shifting hard toward the top and middle. Awareness and conversion now account for 62.6% of total media spend, a rise of over 10% since 2024, while spending on customer loyalty and retention has declined 29% over the same period to less than 15% of total media spend. That’s a striking reallocation given how much cheaper it is to keep an existing customer than win a new one (more on that below).

None of this is happening because budgets feel generous. More than half (57%) of respondents agreed that their department lacked the necessary talent to successfully execute their 2026 marketing strategy, and 56% said they lacked the budget to do so. For SMEs, the practical read is that your competitors’ paid-media spend is rising even as their retention spend falls — both a warning and an opening.

Channel-by-Channel: What Actually Returns

ROI benchmarks vary by methodology — some measure gross revenue return, others net profit, others ROAS — so treat cross-channel comparisons as directional, not a precise league table. That said, the pattern is consistent across sources: owned channels with near-zero marginal cost outperform paid channels on raw return, even if paid channels move faster.

Cross-industry channel ROI, return multiple per $1 spent (directional averages)

Email remains the standout on pure return-per-dollar — a metric covered in depth in our dedicated Email Marketing Benchmark Report — while other owned and earned channels also punch above paid media. Local SEO returns approximately $13 per $1 invested, and cross-industry data puts affiliate marketing averages $6.50 for every $1 spent and influencer marketing averages $5.78 for every $1 spent.

Paid channels return less per dollar but convert faster and scale more predictably. Google Ads’ median ROAS sits at 3.31x across a broad industry set, with newer benchmark data putting the cross-industry Google Ads average closer to 4.2x across all industries — though the spread is wide: hotels return 15.19x on Google Ads while financial services sit at 0.24x. Meta/paid social sits lower and more compressed, at a median of 2.19x in one dataset and 2.8x in another, with Google Ads ROAS fell 10.03% year over year while Meta held roughly flat (+1.29%) despite CPMs rising 20.03% to $14.19.

The takeaway for a service business: don’t chase the single highest ROI multiple in isolation. Owned channels compound cheaply over years but need a runway to build; paid channels buy speed today at a rising price. Most profitable SMEs run both, deliberately.

Customer Acquisition Costs Are Rising Faster Than Budgets

Flat-to-slow budget growth is colliding with acquisition costs that keep climbing. CAC has risen 60% over five years due to several factors: increased competition for digital ad inventory, rising CPMs on platforms like Facebook (up 89% since 2020), iOS privacy changes that increased mobile acquisition costs by 30-40%, and third-party cookie deprecation. Over a longer horizon, some benchmark studies put the increase as high as 222% over the past eight years.

The trend shows up at platform scale, too: Shopify's 2026 Global Commerce Report shows CAC rose from $274 to $318 — a 16.1% increase across 4.8 million active merchants. The gap between channels is what makes channel mix a profitability lever, not just a marketing decision: referral marketing is the most cost-effective active acquisition channel at $15-$50 per customer, compared to $200-$350 for paid search.

The other side of the ledger is retention, and it’s where the maths favours patience: customer retention costs 5 to 25 times less than customer acquisition. Against that backdrop, the standard sustainability check is the LTV:CAC ratio — the 3:1 LTV:CAC ratio is the minimum for sustainable ecommerce growth, a benchmark that applies well beyond ecommerce. If your ratio sits below that, no amount of channel optimisation will fix a fundamentally unprofitable acquisition engine.

Why Attribution Is Still Broken

Budget and ROI numbers are only as good as the measurement behind them, and that measurement is widely acknowledged to be weak. 85% of marketers say they're confident they can measure holistic ROI. Nielsen's 2025 Marketing ROI Blueprint found only 32% actually do it. That 53-point confidence gap is the single most important caveat to apply to every ROI figure in this report, including our own.

The disconnect plays out between marketing and finance directly. 64% of CMOs say proving marketing's value to the business is their single biggest challenge, and budgets are now treated as investment portfolios under CFO-level scrutiny, per Deloitte. A separate 2026 survey found much the same standoff from both sides of the table: 62 percent of CMOs say their biggest challenge is proving ROI to finance, while 58 percent of CFOs say their biggest challenge is understanding what marketing actually does.

The structural causes are well understood, even if the fixes are slow. iOS privacy changes plus third-party cookie deprecation have pushed multi-touch attribution confidence below 50% for most teams, and marketers report the same pressure directly: 56% of marketers say privacy rules have made attribution harder. iOS14 tracking limitations reduced observable conversions by 18-32%. For SMEs without an in-house data team, the practical response is not more dashboards — it’s picking two or three consistent, well-defined metrics (blended CAC, LTV:CAC, and channel-level payback period) and tracking them quarter over quarter rather than chasing perfect last-click attribution that no longer exists.

If your reporting can’t currently answer "what did this channel actually return, net of cost, over the customer’s lifetime," that’s the gap worth closing before adding another channel to the mix.

What “Good” Looks Like in 2026

Pulling the data together, here is what a business getting real return looks like this year:

• Budget-to-revenue benchmarks range from roughly 6% (lean B2B) to over 15% (B2C product, early-stage growth) — the SBA's 7-8% guideline for businesses under $5M revenue is a reasonable starting point, not a ceiling.
• Paid media's share of budget keeps growing (31.4% in 2026) while martech shrinks to a five-year low (19.4%) — audit tool spend before your next renewal cycle rather than assuming last year's stack still earns its keep.
• Owned channels — email, local SEO, referral — post the highest raw ROI multiples in cross-industry data, but they compound over months and years; don't defund them chasing a single strong paid-media quarter.
• CAC has risen roughly 40-60% since 2023 across most industries; a 3:1 LTV:CAC ratio is the minimum bar, and anything below it signals an acquisition engine that needs fixing before it needs scaling.
• Retention costs 5-25x less than acquisition, yet loyalty and retention budgets have fallen 29% since 2024 to under 15% of media spend — a mismatch worth revisiting even on a lean budget.
• Only 32% of marketers can actually measure holistic ROI despite 85% feeling confident they can — fix measurement (blended CAC, LTV:CAC, payback period) before adding new channels.

Sources

All figures are drawn from the most recent published data available at the time of writing. Benchmarks are aggregates and vary by industry, market and method.

• Gartner CMO Spend Survey 2026 — Primary source for marketing budget as % of revenue, paid media and martech allocation shares among large enterprises..
• MarketScale synthesis of Gartner and Deloitte/Duke CMO Survey data — Comparison of Gartner (7.8%) vs Deloitte/Duke CMO Survey (9.0-9.4%) budget-to-revenue figures and AI-maturity budget gap..
• Boomcycle: Average Marketing Budget as a Percentage of Revenue — SBA guideline and B2B/B2C revenue-share benchmarks for small businesses..
• Coupler.io Marketing ROI Statistics 2026 — Nielsen Marketing ROI Blueprint findings on the gap between ROI confidence and actual measurement capability..
• WordStream 2026 Google Ads Benchmarks — Google Ads performance benchmarks referenced for paid-search ROAS context..
• GrowSurf Customer Acquisition Cost Statistics 2026 — CAC trend data and referral vs paid-search cost comparison..

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Frequently Asked Questions

What percentage of revenue should a small business spend on marketing in 2026?

There's no single right answer, but the credible benchmarks cluster in a range: the SBA recommends 7-8% of revenue for businesses under $5 million, Gartner's large-enterprise survey puts the average at 7.8%, and the broader Deloitte/Duke CMO Survey puts it at 9.0%. Consumer product companies typically spend far more (around 15.5% of revenue) than B2B product companies (around 6.4%), so your business model matters more than any single average.

Which marketing channel has the best ROI?

On raw return-per-dollar, owned and earned channels lead: email marketing averages $36-$42 per $1 spent, local SEO returns roughly $13 per $1, and referral/affiliate programs often beat $6 per $1. Paid channels like Google Ads (median ROAS around 3.3x-4.2x) and Meta ads (around 1.9x-2.8x) return less per dollar but convert faster, so most profitable businesses run a mix rather than picking one.

Why is customer acquisition cost rising so fast?

CAC has risen roughly 40-60% over the past five years, driven by more advertisers competing for the same ad inventory, rising CPMs on platforms like Facebook, and privacy changes (iOS tracking limits, cookie deprecation) that have made targeting less precise and pushed advertisers toward broader, more expensive audiences.

What's a good LTV:CAC ratio?

A 3:1 ratio — earning at least three times what it costs to acquire a customer over their lifetime — is generally considered the minimum for sustainable growth. Ratios below 2:1 suggest acquisition spend is eating into margin faster than the business can absorb; strong performers often sit at 5:1 or higher.

Why can't most marketers prove marketing ROI?

Attribution has been weakened by third-party cookie deprecation and mobile privacy changes, which have pushed multi-touch attribution confidence below 50% for many teams and reduced observable conversions by 18-32% in some cases. Nielsen's research found that while 85% of marketers feel confident they can measure holistic ROI, only 32% actually do — a large gap between perceived and real measurement capability.