How much should we spend on digital marketing? And more importantly — where should we spend it? These two questions stall more marketing strategies than poor creative or wrong platform choice. Gartner (2025) reports that the average marketing budget is 9.5% of total revenue, but the variation is enormous. Here is the framework that makes your budget actually work for you.
How much should you spend on digital marketing
The Gartner CMO Spend Survey (2025) shows that the average marketing budget is 9.5% of total revenue across all industries. For B2B companies, the average is lower (6-8%), for B2C higher (10-15%). But the average is exactly that — an average. Your correct share depends on business maturity, competitive situation and growth ambition.
A rule of thumb: Startups and growth-stage companies should spend 12-20% of revenue on marketing (including team, tools and media buying). Established companies with strong market position can manage with 5-10%. Companies in highly competitive industries (finance, real estate, SaaS) typically need more.
Digital should constitute 60-80% of the total budget for most businesses in 2026. According to Dentsu (2025), digital's share of total budget has increased from 42% in 2020 to 72% in 2025. Read our SEO vs PPC comparison to understand the trade-off between organic and paid investment.
Budget allocation by channel: SEO, PPC, social media, content, email
There is no universal formula, but here is a framework based on business model: E-commerce: 35-45% PPC, 20-25% SEO, 15-20% social media, 10-15% content marketing, 5-10% email. B2B services: 25-35% PPC, 25-30% SEO/content, 15-20% LinkedIn/social media, 10-15% events/webinars, 5-10% email.
Local business: 30-40% PPC (Google Ads local), 25-30% SEO (local SEO), 20-25% social media, 10-15% content and email. SaaS: 30-35% PPC, 25-30% content marketing/SEO, 15-20% social media/community, 10-15% email/marketing automation, 5-10% events.
Allocation should be reassessed quarterly based on performance. Channels that consistently deliver below target should be scaled down, channels that overdeliver should receive more. Use our ad budget calculator to calculate allocation. Also see our Google Ads guide and PPC budget guide for platform-specific budget planning.
Budget by business stage: Startup, growth and mature company
Startup phase (0-2 years): Focus 70% of budget on channels with fast payback — PPC, social media ads, influencer partnerships. The remaining 30% on SEO and content that delivers long-term returns. Budget is limited, so test quickly and scale what works.
Growth phase (2-5 years): Increase investment in long-term channels. Ideal allocation: 50% paid (PPC, social media ads), 30% organic (SEO, content, email), 20% brand building (PR, events, sponsorships). In this phase you should build the marketing team and infrastructure.
Mature company (5+ years): Organic should constitute a larger share because the cumulative investment begins to yield returns. 40% organic, 35% paid, 25% brand. Focus on defending market position and increasing efficiency. Read about the marketing funnel to understand how the budget should cover all stages.
The 70/20/10 marketing budget rule
Google popularized the 70/20/10 rule for innovation, and it works excellently for marketing budgets: 70% for core activities (what you know works), 20% for related opportunities (promising but not fully proven), and 10% for experimental efforts (entirely new channels or tactics).
In practice: 70% for Google Ads, SEO work and email marketing that consistently delivers. 20% for expansion — new audiences in existing channels, new content formats, new landing pages. 10% for experiments — TikTok Ads, AI-driven personalization, podcast sponsorship, community building.
The rule ensures you do not stagnate (because you are always testing new things) but also do not risk the entire budget on unproven ideas. Evaluate quarterly: Experimental efforts that succeed move up to the 20% category, and 20% initiatives that consistently deliver move up to 70%. Need help with budget planning? Contact LeapJet for a strategic review.
Calculating expected ROI by channel
Each channel has a different time horizon and ROI profile. PPC delivers immediate, measurable ROI — typically 200-800% ROAS depending on industry and maturity (WordStream, 2025). SEO delivers lower short-term ROI but higher long-term ROI — BrightEdge (2025) shows that organic search delivers 53% of all website traffic and has the lowest CAC over time.
Email marketing consistently has the highest ROI of all digital channels: DMA (2025) reports an average of 36:1 ROI. Content marketing has compounding returns — an article that costs $500 to produce can generate traffic worth $5,000 over 3 years. Social media (organic) is harder to calculate direct ROI, but drives brand building that strengthens all other channels.
Create a simple model in a spreadsheet: For each channel, estimate investment, expected traffic, conversion rate, average value per conversion, and timeframe for returns. Compare channels based on CAC (customer acquisition cost) and payback period. See our digital analytics guide for analysis methods.
Building a monthly and quarterly budget spreadsheet
A good budget spreadsheet has four columns per channel: Planned budget, Actual spend, Results (leads/sales/traffic), and ROI/ROAS. Add rows for each channel and each campaign. Automate calculations so ROI updates in real time.
Monthly follow-up catches deviations early. Quarterly review provides time to see trends and make strategic adjustments. Annual planning sets the framework, but should never be so rigid that you cannot shift funds based on performance.
Tip: Also include "hidden" costs such as tool subscriptions, freelancer expenses, and internal time. A PPC budget of $3,000/month that requires 15 hours of internal time per week has a real cost that is substantially higher. Use our marketing dashboard guide to build effective reports.
Budget optimization: Shift funds based on performance
The most important budget discipline is the willingness to move money. If Meta Ads delivers 500% ROAS and LinkedIn Ads delivers 150%, you should move budget from LinkedIn to Meta — unless there are strategic reasons to maintain LinkedIn (brand building, ABM, etc.).
Use incremental testing to validate channels. Increase the budget in one channel by 20%, hold everything else constant, and measure whether the incremental return justifies the increase. See our attribution models guide to understand how different attribution models affect channel evaluation.
Set trigger-based rules: If CPA for a campaign exceeds X for two weeks, reduce budget by 30%. If ROAS is above Y for three weeks, increase budget by 20%. Automated rules in Google Ads and Meta Ads make this possible without daily manual intervention.
Reporting marketing spend to leadership
Leadership cares about three things: How much we are spending, what we are getting in return, and what we should do differently. Structure the report accordingly. Open with an executive summary: total spend, total return, CAC trend, and top 3 recommendations.
Use business language, not marketing jargon. "We invested $20,000 and generated $120,000 in pipeline value" is better than "We achieved 600% ROAS with a 23% CPM reduction." Link to more detailed reports for those who want to dig deeper.
Show trends, not just individual months. A graph showing that CAC has decreased from $80 to $45 over six months communicates more than a table of numbers. Always include a "next steps" section explaining what you will do next quarter and why.
Common budget mistakes — and when to increase budget
Mistake 1: Underinvesting in what works. "It works, don't touch it" is a costly attitude. If something works and is not saturated, you should invest more. Mistake 2: Spreading the budget too thinly. Five channels with $500 each is almost always worse than two channels with $1,250.
Mistake 3: Setting a budget without linking it to goals. "We spend $5,000 on marketing" is meaningless without "to generate 100 leads at under $50 each." Mistake 4: Cutting marketing in downturns. Research historically shows that companies maintaining marketing investment during recessions win market share that is difficult to recapture (McGraw-Hill, Ehrenberg-Bass).
Increase the budget when: Campaigns are budget-constrained (spending the entire daily budget), ROAS is stable above target, and there is room for growth in search volume or audiences. Also see our digital marketing trends 2026 to understand where the market is heading. See the glossary for ROI, budget, CPA and ROAS definitions, and explore our services in SEO and PPC.
Sources
Gartner, "CMO Spend Survey," 2025. Dentsu, "Global Ad Spend Forecast," 2025. WordStream, "Google Ads Benchmarks," 2025. BrightEdge, "Organic Search Report," 2025. DMA, "Email Marketing ROI Report," 2025. HubSpot, "State of Marketing Report," 2026. Ehrenberg-Bass Institute, "Marketing in Recession Research," 2023.
