Table of contents
How we vet every listicle
Every agency featured on Web Tonic passes our 84-point editorial review before a single listicle goes live. This is how we vet each pick:
Verified client outcomes: We require real case studies with measurable KPIs — revenue, ROAS, CPA, retention — tied to the exact category being ranked. No cherry-picked wins, no unverifiable numbers.
Independent reputation: We cross-check Clutch, Google, G2, and Trustpilot ratings, and screen for review-bombing or suspicious patterns. Only operators with a consistent, verifiable track record make the cut.
Beyond that, every listing goes through a quarterly re-audit. We check 84 criteria across 6 pillars to make sure it still holds up — here are some of the checks we run:
A marketing audit agency reviews how your marketing actually performs and tells you what to fix first. A full digital marketing audit covers Google Analytics and Search Console data, paid media, SEO and content, email, website speed and mobile performance, creative and budget, then ranks problems by their cost against your marketing goals. Narrower audits focus on one area, such as technical SEO or GA4.
We checked sixteen external firms plus Web Tonic on their own websites. Each one publishes an audit service. Clients appear only when the firm shows them, and prices only when it publishes them. For local shortlists, use the city pages linked further down.
What are the best marketing audit agencies in 2026?
The seventeen firms below sell marketing, SEO or analytics audits and were checked on their own sites. Web Tonic leads for a full-funnel audit with a 90-day plan, Victorious and RankScience for technical SEO, and Digital Third Coast for GA4 tracking.
1. Web Tonic
About: Web Tonic runs a fixed-scope marketing audit that takes seven days: access and data reconstruction first, then measurement, channels and creative, ending in findings ranked by severity and a 90-day plan you can run with any team. It checks tracking and reporting through its data and analytics practice before judging any channel.
Key Services: Growth Marketing, Paid Social, PPC, Meta Ads, SEO, Google Ads, Snapchat Ads, Amazon Ads, Reddit Ads, TikTok Ads, TikTok Shop, GEO-AEO, Webflow Design, Shopify Design, WordPress Design, UGC, Social Media Management, Pay Per Click Management, Marketing Analytics, Analytics Implementation & CDPs, Performance Branding, Performance 360° Audit, Programmatic Ads, OOH Ads, HR Marketing
Industries Served: eCommerce, SaaS, B2B, Construction Professionals, Home Services, SMEs, Health Spa & Wellness, Retail, Legal & Judicial Services, Food & Beverages, Pets, Fitness, Family & Children, Finance & Insurance, Travel, Non-Profits & Organizations, Furniture & Decoration
Notable Clients: WorldRemit, Jack & Jones, Ardene, L’Oréal, Sendwave, Nestlé, Airbnb. Serve Fortune 500 companies and smaller fast-paced startups.
Locations: Local US office, with the main HQ in San Francisco and notable offices in New York, Chicago, Miami, Toronto, Montreal, Dubai, Singapore, Sydney and more. Offices on five continents.
Pricing: Starting at USD $3,000 per month. Flexible and scalable plans at any time according to your enterprise needs. Book a call to learn more.
Great For: Mid-market to enterprise-level businesses requiring ongoing, on-tap growth and performance marketing services.
Website: Web Tonic
2. Victorious
About: Victorious is a San Francisco SEO agency working in enterprise and technical search since 2013 that runs full SEO audits before any strategy work. It names SoFi, ServiceMax and UNIONBAY among its clients.
Key Services: SEO audits, On-page SEO, Keyword research, Link building, Technical SEO, Content marketing
Industries Served: SaaS, Finance, Healthcare, Ecommerce
Notable Clients: Agora, UNIONBAY, ServiceMax, SoFi, enTouch Wireless
Locations: San Francisco, California
Pricing: Custom quote
Great For: SaaS marketers, Ecommerce businesses, Healthcare organizations
Website: Victorious
3. NEWMEDIA.COM
About: NEWMEDIA.COM is a New York agency that begins every engagement with a full digital marketing audit of SEO, paid media and content. It names Delta Sky Club, Six Flags and the Almond Board of California among its clients.
Key Services: Digital marketing audits, Web design, SEO services, PPC services, Digital PR, Social media marketing
Industries Served: SaaS, CPG, Nonprofits, Academia, Fashion
Notable Clients: Delta Sky Club, Almond Board of California, Six Flags, PostNet, Colorado Rocky Mountain School
Locations: New York, New York
Pricing: Custom quote
Great For: SaaS businesses, CPG brands, Academic institutions
Website: NEWMEDIA.COM
4. Digital Third Coast
About: Digital Third Coast is a Chicago agency working since 2007 that audits and fixes GA4 and conversion tracking next to SEO and paid media. It names US Foods, Life Time and Olivet Nazarene University among its clients.
Key Services: GA4 and tracking audits, Search engine optimization, Paid media, Digital PR, Paid social
Industries Served: Ecommerce, Financial Services, Healthcare, Education, Real Estate
Notable Clients: US Foods, Orbit Media Studios, Bid-on-Equipment, Life Time, Olivet Nazarene University
Locations: Chicago, Illinois
Pricing: Custom quote
Great For: Ecommerce businesses, Healthcare organizations, Financial service firms
Website: Digital Third Coast
5. Forthea
About: Forthea is a Houston agency working since 2006 that audits marketing effectiveness to cut wasted spend and prove campaign ROI. It names Sysco, CEMEX and Paul Davis among its clients.
Key Services: Marketing audits and analytics, Paid media, SEO, Website design and development, Conversion rate optimization
Industries Served: B2B, E-Commerce, Software + SaaS, Medical + Healthcare
Notable Clients: Sysco, CEMEX, Paul Davis, Hanover Company, GMN Bearing
Locations: Houston, Texas
Pricing: Custom quote
Great For: B2B companies, E-commerce brands, Marketing directors
Website: Forthea
6. Groove Commerce
About: Groove Commerce is a Baltimore ecommerce agency that offers a no-cost ecommerce audit before SEO, ads or email work. It publishes engagements from USD $5,550 a month and names Dippin' Dots and KegWorks among its clients.
Key Services: No-cost eCommerce audits, eCommerce SEO, eCommerce Paid Media, eCommerce Email Marketing, eCommerce Design, eCommerce Development
Industries Served: D2C, B2C, B2B, B2B eCommerce
Notable Clients: Dippin' Dots, Cordova Outdoors, Doc Popcorn, KegWorks, Garrett Wade
Locations: Baltimore, Maryland
Pricing: Published: SEO, ads or email engagements from USD $5,550/month
Great For: D2C brands, B2B companies, B2C merchants
Website: Groove Commerce
7. RankScience
About: RankScience is a San Francisco SEO firm that runs technical audits and ranks fixes by their likely revenue impact. Since 2017 it has worked with startups including Zapier, Calm and Rippling.
Key Services: Technical SEO Audits, Foundational SEO, On-Page SEO, Link Building, Generative Engine Optimization, Answer Engine Optimization
Industries Served: Startups, SaaS, Fintech, Ecommerce, Cannabis
Notable Clients: CareerKarma, Zapier, Calm, Rippling
Locations: San Francisco, California
Pricing: Custom quote
Great For: SaaS founders, Ecommerce marketing directors, Startup growth leaders
Website: RankScience
8. Papaya Search
About: Papaya Search is an Atlanta agency working since 2004 that starts with a full review of site performance, technical SEO and analytics. It names DEUTZ AG, Kindful and CURE Childhood Cancer among its clients.
Key Services: SEO and marketing audits, AI SEO, Search engine marketing, Analytics setup, WordPress maintenance
Industries Served: Nonprofits, Hospitality, Film industry, E-commerce
Notable Clients: DEUTZ AG, Kindful, CURE Childhood Cancer, Cloudingo, PALS
Locations: Atlanta, Georgia
Pricing: Custom quote
Great For: Nonprofit organizations, Hospitality brands, Film production companies
Website: Papaya Search
9. Three29
About: Three29 is a Sacramento agency that sells consultations and audits comparing a brand's marketing performance, KPIs and conversions with its competitors. It reports a 200% lift in organic site traffic and names Bogle Family Vineyards among its clients.
Key Services: Marketing Audits and Consultation, Web Design and Development, Search Engine Optimization, Generative Engine Optimization, Custom Web App Development
Industries Served: B2B SaaS, Food and Beverage, Law Firms, B2B Manufacturing
Notable Clients: Sprig, Mikuni Sushi, Bogle Family Vineyards, Cobram Estate, Coterie
Locations: Sacramento, California
Pricing: Custom quote
Great For: B2B SaaS companies, Food and beverage brands, Professional service firms
Website: Three29
10. Digital Authority Partners
About: Digital Authority Partners is a Chicago agency founded in 2016 that sells digital marketing and analytics audits. It reports a 9.65X return on marketing spend for Bella+Canvas.
Key Services: Digital Marketing Audits, Search Engine Optimization, PPC Management, Web Design, Fractional CMO, Analytics
Industries Served: Healthcare, eCommerce, Legal, Professional Services
Notable Clients: Bella+Canvas, Geode Health, DecisionLink, athenahealth, Fresh Thyme
Locations: Chicago, Illinois
Pricing: Custom quote
Great For: B2B businesses, Healthcare providers, E-commerce retailers
Website: Digital Authority Partners
11. Chatter Buzz Media
About: Chatter Buzz Media is an Orlando performance marketing agency with Tampa and New York offices that offers a free growth audit. It says it has worked with more than 400 companies since 2012, including Lennar Homes.
Key Services: Free growth audits, Strategy and planning, Performance creative, Custom web development, Media planning and buying
Industries Served: Financial Services, Home Builders and Construction, B2B Marketing, Healthcare
Notable Clients: Sun Coast, City of Orlando (DDB), Lennar Homes, Hallmark Nameplate, Florida Department of Health
Locations: Orlando, Florida
Pricing: Custom quote
Great For: B2B companies, Home builders, Healthcare organizations
Website: Chatter Buzz Media
12. 20North Marketing
About: 20North Marketing is an Atlanta data-led agency that runs monthly SEO and competitor audits inside its programs. It names Enviro-Master, Folloze and Roam among its clients.
Key Services: Marketing Audits, SEO, Paid Advertising, Web Design & Development, Email Marketing, AEO
Industries Served: Manufacturing & Industrial, Legal Services, Construction, Private Equity, Professional Services
Notable Clients: Enviro-Master, Bruce Bolt, Folloze, Roam
Locations: Atlanta, Georgia
Pricing: Custom quote
Great For: Industrial manufacturers, Legal service providers, Professional service firms
Website: 20North Marketing
13. 97 Switch
About: 97 Switch is a Chicago agency with a Portland office, working since 2013, whose website engagements start with a website and digital marketing audit. One case study reports resident leads up 267% for Aeon Apartments.
Key Services: Website and digital marketing audits, Custom website design, Webflow development, Technical SEO, Brand strategy and identity, Email marketing and automations
Industries Served: Real estate, Hospitality, Technology, Professional services
Notable Clients: Hotel EMC2, Autograph Collection, SideGigster, theWit - A Hilton Hotel, Smash Virtual, 444 Social
Locations: Chicago, Illinois
Pricing: Custom quote
Great For: Real estate firms, Hospitality brands, Professional services providers
Website: 97 Switch
14. Inbound.inc
About: Inbound.inc is a founder-run Houston search firm, established in 2008, that offers free audits covering ads, maps, organic and AI search. Its clients include World Trade Cargo and Bay Area Recovery Center.
Key Services: Free site audits, Organic SEO, Google Maps marketing, Google Ads management, WordPress development, Technical SEO
Industries Served: Law firms, Urgent care, Garage door, Cleaning
Notable Clients: Kavea, World Trade Cargo Freight Services, Bay Area Recovery Center
Locations: Houston, Texas
Pricing: Custom quote
Great For: Houston law firms, Local service businesses, Urgent care clinics
Website: Inbound.inc
15. Mockingbird Marketing
About: Mockingbird Marketing is a Seattle agency founded in 2013 by Conrad Saam that runs technical SEO audits and full-service marketing for law firms. It names Howell and Thornhill among its clients.
Key Services: Technical SEO audits, Search engine optimization, PPC advertising, Web design and development, Reputation management, Business intelligence
Industries Served: Legal industry, Law firms, Personal injury lawyers, Accident and injury attorneys
Notable Clients: Howell & Thornhill, Skinner Accident & Injury Lawyers, ARM
Locations: Seattle, Washington
Pricing: Custom quote
Great For: Personal injury law firms, Independent attorneys, Legal practice marketing directors
Website: Mockingbird Marketing
16. Logic Inbound
About: Logic Inbound is a Seattle agency that runs SEO audits and search programs for service businesses. Its case studies report a 1,140% organic traffic increase for 99 Junk Removal.
Key Services: Search engine optimization audits, Google Ads management, Web design and development, Conversion rate optimization, AI optimization, Social media advertising
Industries Served: Healthcare, E-commerce, SaaS, Small businesses
Notable Clients: 99 Junk Removal, Ski Monster, Chicago Home Tutor, Sunridge Medical Center, Tony Robbins
Locations: Seattle, Washington
Pricing: Custom quote
Great For: E-commerce retail brands, Healthcare organizations, Local small businesses
Website: Logic Inbound
17. I-COM
About: I-COM is an employee-owned Manchester, United Kingdom agency that offers free digital marketing audits to find where campaigns can improve. It names United Utilities and JMW Solicitors among its clients.
Key Services: Digital marketing audits, SEO, Paid Advertising, PR & Outreach, Content Marketing
Industries Served: E-commerce, Legal, Recruitment, Education, Utilities
Notable Clients: JMW Solicitors, Northern Connectors, The VAT People, United Utilities
Locations: Manchester, United Kingdom
Pricing: Custom quote
Great For: E-commerce retailers, Law firms, Utility companies
Website: I-COM
Quick Comparison Table
| Agency | Key Specialty | Starting Price | Best For |
|---|---|---|---|
| 1. Web Tonic | Full-Service Performance Marketing | USD $3,000/mo | Mid-market to Enterprise (local US office) |
| 2. Victorious | SEO and Answer Engine Optimization | On request | Organic search growth |
| 3. NEWMEDIA.COM | Proprietary RankOS search engine framework | On request | Increasing organic search rankings |
| 4. Digital Third Coast | Direct client and analyst collaboration | On request | GA4 and tracking audits |
| 5. Forthea | Analytical digital marketing campaigns | On request | Predictable revenue growth |
| 6. Groove Commerce | Integrated eCommerce design and marketing | USD $5,550/mo | Unified eCommerce growth marketing |
| 7. RankScience | Revenue-focused technical SEO | On request | AI search engine visibility |
| 8. Papaya Search | Optimizing websites for AI search | On request | AI search optimization |
| 9. Three29 | Full-stack web development and SEO | On request | Increasing organic site traffic |
| 10. Digital Authority Partners | SEO, PPC, and analytics | On request | Data-driven digital marketing |
| 11. Chatter Buzz Media | End-to-end performance marketing | On request | Fractional CMO strategic guidance |
| 12. 20North Marketing | Data-driven multi-channel marketing | On request | Multi-channel digital growth |
| 13. 97 Switch | Custom web design and marketing | On request | Custom digital marketing strategies |
| 14. Inbound.inc | Local search engine optimization | On request | Month-to-month local SEO |
| 15. Mockingbird Marketing | Legal industry digital marketing | On request | Law firm marketing |
| 16. Logic Inbound | Search engine optimization audits | On request | Healthcare and e-commerce brands |
| 17. I-COM | Profit-focused digital marketing | On request | E-commerce and legal brands |
Marketing Audit Firms by City
This page is the national overview. For a shortlist checked against local headquarters or sector experience, open one of our 41 city guides below. Each lists firms verified on their own websites, with the same facts per firm.
United States: Atlanta · Austin · Baltimore · Boston · Charlotte · Chicago · Cincinnati · Dallas · Denver · Detroit · Houston · Kansas City · Las Vegas · Los Angeles · Miami · Minneapolis · New York · Orlando · Philadelphia · Phoenix · Pittsburgh · Portland · Sacramento · San Antonio · San Diego · San Francisco · Seattle · Tampa · Washington DC
Canada: Montréal · Toronto · Vancouver
United Kingdom and Ireland: Bristol · Leeds · London · Manchester
Europe: Paris
Australia and New Zealand: Adelaide · Brisbane · Melbourne · Sydney
Frequently Asked Questions
What does a marketing audit include?
A good audit starts with measurement, because every other finding depends on clean data. It then reviews paid media accounts, SEO and site health, landing pages and conversion paths, creative, and how budget is split across channels. It should include competitor analysis and organic traffic trends, and end in a ranked list of findings and an action plan, not a generic checklist from an audit tool.
How much does a marketing audit cost in 2026?
Most firms quote audits per project, and several on this list offer a free first audit as a sales step, including Groove Commerce, Chatter Buzz Media, Inbound.inc and I-COM. Free audits are useful but usually shallow. A paid, fixed-scope audit with named deliverables is the better choice when real budget decisions depend on it.
How long does a marketing audit take?
A focused SEO or tracking audit can take a few days. A full-funnel audit across several channels usually takes one to three weeks, depending on how fast access is granted. Web Tonic's audit runs seven days with a fixed scope agreed in writing before it starts, so there is a defined end date.
Should my current agency audit its own work?
It can review its own accounts, but an independent audit is more reliable when you are questioning results or planning a budget change. An outside firm has no reason to defend past decisions, and it will usually check tracking and attribution before accepting the reported numbers or judging any single campaign.
What should I do after the audit?
Ask for findings ranked by severity and a clear plan with owners and dates. Fix measurement first, then the issues that waste the most money. The plan should be usable by your team, your current agency or a new partner, without being tied to a follow-on retainer with the auditing firm.
Choosing a Marketing Audit Agency in 2026
Decide the question first. Know whether you need a full-funnel review, a technical SEO audit or a tracking check. A clear question keeps the scope tight and makes quotes from different firms easy to compare. It also stops the audit from turning into a sales pitch for services you do not need.
Insist on evidence. Every finding should show the data or screenshot behind it and an estimate of what it costs you. Ask for a sample report before you sign, and check that it is specific rather than a template with your logo on it.
Check measurement before channels. An audit that trusts broken tracking will draw the wrong conclusions. Make sure the firm verifies conversion data, attribution and reporting before it judges any campaign, channel or creative test.
Keep the plan portable. The output should work with any team, including your in-house marketers. Then book a call with Web Tonic to compare our seven-day audit with the firms above.
