Marketing Consulting Services NAICS 541613

        Marketing Consulting Services

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Industry Summary

The 49,047 marketing consulting services in the US provide advice and assistance on marketing related issues. Services include marketing strategy and market development consulting and implementation; sales management and development consulting and implementation; and strategic management consulting and implementation. Most marketing consulting firms are small, independent operators.

Variable Demand

Demand for marketing consulting services can vary depending on client needs.

Increasingly Complex Environment

Shifting demographics and the advent of digital technology have fundamentally changed the discipline of marketing and created a more complex and fragmented environment for clients and consultants.


Recent Developments

May 12, 2026 - Streaming Ad Spending Could Soon Surpass Traditional TV
  • Streaming platforms are rapidly reshaping the TV advertising landscape, with US streaming ad spend projected to approach $20 billion by 2029, according to ad consultancy Madison & Wall. The massive spend - nearly matching traditional linear TV - comes as advertisers follow audiences to cheaper ad-supported tiers. Ad-supported plans now account for nearly half of premium streaming sign-ups and have driven most recent subscriber growth, making them increasingly attractive to brands seeking scale, younger demographics, and advanced targeting capabilities based on consumer behavior and purchase data. Sports programming remains a key battleground in upfront negotiations as streamers invest heavily in live rights to attract advertisers. However, despite streaming’s gains, total TV advertising spending is still expected to decline overall as marketers continue shifting budgets toward dominant digital platforms like Meta, Google, Amazon, and YouTube, which offer stronger performance-driven advertising models.
  • An analysis of advertising giant Omnicom’s 2026 annual SEC filing underscores that advertising agencies don’t behave like stable service businesses - they’re tightly tied to client ad budgets that can drop off quickly when economic conditions worsen. This creates inherently uneven cash flow, compounded by client concentration risk and the constant pressure to win and retain business. At the same time, margins for ad agencies are squeezed by pricing competition, higher talent costs, and a shift toward performance-based fees. The ad industry is also in the middle of a structural shift, with AI and major digital platforms emerging as critical differentiators, forcing agencies to keep investing in tech just to stay competitive. The result is a sector dealing with significant volatility. Larger, more diversified firms with the scale to invest tend to present the strongest lending profiles.
  • The marketing rules that advertising professionals built their careers on are breaking down as Gen Z and Gen Alpha reshape the industry, according to a recent AdAge study. Platforms are blurring the lines between social media, commerce, and entertainment, requiring marketers to understand why audiences use a platform rather than simply what it's labeled. Brand loyalty is increasingly built through cultural relevance (often starting in niche fandoms) and analog retail experiences are gaining traction as a counterweight to digital overload. Trust has shifted from institutions to individuals, making personal voice and credibility essential assets for marketers and brand leaders alike. Meanwhile, Gen Z workers are pushing back against hustle culture, demanding structured mentorship and real responsibility early in their careers. Across the board, success now depends on context-reading, AI fluency, performance analytics, and an ability to translate cultural signals into meaningful strategy.
  • Madison Avenue’s turmoil is turning geography into an advantage, as Midwestern and noncoastal ad agencies quietly pick up business by offering brands cultural credibility, steady teams, and a clearer read on everyday America. While big holding companies like Omnicom Group and Interpublic are cutting jobs and shuttering legacy brands (and giants such as WPP wrestle with slow growth and AI anxiety) many Midwestern shops are quietly growing by serving midsize regional clients they know well. These agencies avoid boom-and-bust hiring, lean on local talent, and pitch themselves as a human alternative to tech-heavy coastal firms. Brands, wary of cultural misfires and eager to connect with “real Americans,” are increasingly receptive. Some heartland agencies are expanding on their own terms, like Kansas City’s BarkleyOKRP opening a New York office, while others scale locally. The result: what once looked like geographic disadvantage is now a competitive edge for smaller ad shops.

Industry Revenue

Marketing Consulting Services


Industry Structure

Industry size & Structure

The average marketing consulting firm operates out of a single location, employs fewer than 5 workers, and generates about $1.6 million annually.

    • The marketing consulting services industry consists of about 49,040 firms that employ 281,865 workers and generate about $80 billion annually.
    • The industry is fragmented; the top 50 companies account for about 24% of industry revenue.
    • Large management consulting firms that provide marketing consulting services include Bain, Boston Consulting Group, and McKinsey. ZS Associates is a management consulting firm that specializes in sales and marketing. Most marketing consulting firms are small, independent operators.

                                  Industry Forecast

                                  Industry Forecast
                                  Marketing Consulting Services Industry Growth
                                  Source: Vertical IQ and Inforum

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