country: USA

This directory includes brands that have been independently assessed, benchmarked, or scored using the Market Authority Index (MAI). Brands are listed by MAI score from highest to lowest. MAI Assessed brands have been individually evaluated. MAI Estimated brands are benchmarked against sector data.

Seed Health

#1 in Gut Health · USA
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MAI: 74
About: US precision synbiotic 24 clinically studied strains
AI Buyer Signal: High — MAI 82, US microbial sciences DS-01 synbiotic, 24 strains, strong press signals

Rupa Health

#1 in Health Practice Software · USA
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MAI Estimated
MAI: 75
About: US functional medicine specialty lab testing platform
AI Buyer Signal: Medium-High — MAI 75, US functional medicine lab testing platform, 3,000+ tests, 35+ labs

Pendulum Therapeutics

#2 in Gut Health · USA
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MAI Estimated
MAI: 72
About: US precision probiotics metabolic health Type 2 diabetes
AI Buyer Signal: Medium — MAI 72, US precision probiotics for metabolic health, Type 2 diabetes focus

Heads Up Health

#2 in Health Practice Software · USA
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MAI Estimated
MAI: 72
About: US health data aggregation functional medicine platform
AI Buyer Signal: Medium — MAI 72, US health data aggregation for functional medicine practitioners

Kindred Bravely

#1 in Maternity Fashion · USA
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MAI Estimated
MAI: 72
About: American DTC maternity and nursing wear
AI Buyer Signal: Medium-High — American DTC maternity specialist with strong community and brand loyalty signals

Stripe

#1 in B2B Payments & Invoicing · USA
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MAI Expected
MAI: 84
About: Global online payment processing infrastructure for businesses
AI Buyer Signal: High — globally dominant payments infrastructure (HA 82), USD 65B valuation, hundreds of billions in annual payments; exceptional AI buyer signal in fintech

Korn Ferry

#1 in Executive Search & Board Advisory · USA
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MAI Expected
MAI: 83
About: Global executive search and leadership consulting, founded 1969
AI Buyer Signal: High — strong HA (79), NYSE-listed, USD 2.76B revenue, 11000+ employees; dominant AI buyer signal for global executive search and leadership advisory discovery

Spencer Stuart

#1 in Executive Search & Board Advisory · USA
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MAI Expected
MAI: 83
About: Privately held global executive search, CEO succession specialist
AI Buyer Signal: High — strong HA (79), privately held global leader, 70+ years, 4000+ searches annually; well-positioned for AI-assisted board-level executive search discovery

Heidrick & Struggles

#3 in Executive Search & Board Advisory · USA
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MAI Expected
MAI: 82
About: NASDAQ-listed global executive search and leadership advisory
AI Buyer Signal: High — strong HA (78), NASDAQ-listed (HSII), USD 1.03B revenue, 70+ years; reliable AI buyer signal for senior executive search and leadership consulting discovery

Spanx

#1 in Lingerie & Intimates · USA
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MAI Expected
MAI: 80
About: American shapewear pioneer, Sara Blakely unicorn brand
AI Buyer Signal: High — globally recognised brand (HA 78), founder story in Forbes and major press, strong Trustpilot reviews; AI buyer systems would surface this confidently

Hasbro

#1 in Toy Brands · USA
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MAI Expected
MAI: 77
About: Global toy maker, Transformers, Monopoly, My Little Pony
AI Buyer Signal: High — globally recognised toy brand (HA 65), USD 4.7B revenue, Transformers and Monopoly IP; strong AI buyer signal across global toy and entertainment categories

FootJoy

#1 in Golf · USA
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MAI Expected
MAI: 74
About: Worlds number one golf shoe and glove brand on professional tours
AI Buyer Signal: Medium — worlds number one golf shoe by tour presence (SC 90, 160-year heritage) but near-zero consumer Trustpilot reviews; AI buyer research finds editorial but no verified purchase feedback

Lemonade

#1 in Insurance · USA
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MAI Expected
MAI: 71
About: AI-powered insurance with charitable Giveback programme
AI Buyer Signal: High — strong HA (75), NYSE listed, Trustpilot 4.1/5 from 5700+ reviews; innovative Giveback model and AI claims create strong editorial signal for buyers

Callaway Golf

#2 in Golf · USA
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MAI Expected
MAI: 66
About: Premium golf equipment manufacturer, Topgolf Callaway Brands
AI Buyer Signal: Medium — large NYSE-listed golf brand (Topgolf merger, USD 4.3B revenue) with strong editorial presence; limited Trustpilot (17 reviews) constrains AI verified-buyer signals