1 Analysis Credit

SI SECTOR INDEX · GLOBAL

Which brands does SI recommend?

Select your industry. For each industry we ask SI 500 questions people ask, in English and with no country given, and count the brands its answers name.

Select your industry

RECOMMENDED

October 2026 measurement · 1 run a month × Claude Opus 5.5 × 500 questions = 500 answers per sector

MONTHLY MEASUREMENT Global

Banking

Credit cards, savings and current accounts, digital banks, personal loans and mortgages, international money transfers, bank fees, account security.

MEASUREMENT SCOPE 500 questions · 23 brands named Measured: October 2026 Model measured Claude Opus 5.5
Brands SI names most
  1. Revolut 7.4%
  2. Monzo 3%
  3. Starling Bank 2.6%
See the ranking
POPULAR QUESTIONS
01
Decision

Which travel card should I apply for if I want points that never expire?

1 American Express 2 Chase 3 Capital One
02
Consideration

Big traditional bank or online bank for my first proper job?

1 Revolut 2 Monzo 3 N26
03
Decision

Is there a checking account with no minimum balance I can open today?

1 Revolut 2 N26 3 Monzo
04
Consideration

International student here, which type of bank account is easiest to open?

1 Revolut 2 N26 3 Monzo

October 2026 measurement · the first brands each answer named

18 industries · Global

Don’t see your industry?
Finance

Banking

Credit cards, savings and current accounts, digital banks, personal loans and mortgages, international money transfers, bank fees, account security.

Global MEASUREMENT SCOPE 500 questions · 23 brands named Measured: October 2026 Claude Opus 5.5
  1. Revolut 7.4%
  2. Monzo 3%
  3. Starling Bank 2.6%
Monthly ranking
Finance

Insurance

Car insurance, health insurance, home and renters insurance, life insurance, travel insurance, pet insurance, making a claim, comparing quotes.

Global MEASUREMENT SCOPE 500 questions · 71 brands named Measured: October 2026 Claude Opus 5.5
  1. Allianz 2%
  2. SafetyWing 1.8%
  3. World Nomads 1.2%
Monthly ranking
Commerce

E-commerce and marketplaces

Online marketplaces and shopping sites, second-hand buying and selling, online grocery delivery, returns and shipping, sales events, buying from overseas sites, safe online shopping.

Global MEASUREMENT SCOPE 500 questions · 78 brands named Measured: October 2026 Claude Opus 5.5
  1. Amazon 11.6%
  2. eBay 7.2%
  3. Vinted 3%
Monthly ranking
Technology and telecoms

Telecoms

Mobile plans and carriers, prepaid and contract, home broadband and fibre, eSIM and roaming, switching providers, coverage, customer service.

Global MEASUREMENT SCOPE 500 questions · 55 brands named Measured: October 2026 Claude Opus 5.5
  1. Starlink 3%
  2. T-Mobile 3%
  3. Airalo 2%
Monthly ranking
Travel and mobility

Automotive

New and used cars, electric and hybrid cars, charging, fuel economy, servicing and maintenance, car finance and leasing, reliability, safety ratings.

Global MEASUREMENT SCOPE 500 questions · 97 brands named Measured: October 2026 Claude Opus 5.5
  1. Toyota 9%
  2. Honda 5.6%
  3. Kia 4.8%
Monthly ranking
Travel and mobility

Airlines and travel

Flights, finding cheap fares, baggage rules, frequent flyer programmes, cancellations and delay compensation, airports, flight and travel search sites.

Global MEASUREMENT SCOPE 500 questions · 124 brands named Measured: October 2026 Claude Opus 5.5
  1. Google Flights 7.4%
  2. Skyscanner 6.2%
  3. oneworld 4%
Monthly ranking
Travel and mobility

Hotels and holidays

All-inclusive resorts, boutique hotels, family holidays, ski and spa breaks, package holidays and tour operators, hotel booking sites, holiday rentals, hotel loyalty programmes.

Global MEASUREMENT SCOPE 500 questions · 174 brands named Measured: October 2026 Claude Opus 5.5
  1. Booking.com 6.2%
  2. Marriott 5%
  3. Hilton 4.8%
Monthly ranking
Commerce

Beauty and skincare

Skincare by skin type, dermatologist-recommended brands, sunscreen, make-up, hair care, fragrance, beauty retailers.

Global MEASUREMENT SCOPE 500 questions · 219 brands named Measured: October 2026 Claude Opus 5.5
  1. La Roche-Posay 11.6%
  2. CeraVe 9.2%
  3. Sephora 4.8%
Monthly ranking
Commerce

Fashion and apparel

Women's and men's clothing, sportswear and trainers, workwear, sizing and fit, affordable and premium brands, sustainable fashion, online clothes shopping.

Global MEASUREMENT SCOPE 500 questions · 341 brands named Measured: October 2026 Claude Opus 5.5
  1. Uniqlo 8.6%
  2. Decathlon 4.8%
  3. Vinted 4.8%
Monthly ranking
Commerce

Coffee and food

Coffee brands and beans, coffee chains, coffee machines, tea, dairy and plant milks, snacks and chocolate, healthy and organic food, supermarket brands.

Global MEASUREMENT SCOPE 500 questions · 300 brands named Measured: October 2026 Claude Opus 5.5
  1. Nespresso 4.2%
  2. Starbucks 4.2%
  3. Breville 3%
Monthly ranking
Commerce

Mother and baby

Diapers and nappies, formula and baby food, bottles and pacifiers, strollers and car seats, baby care products, pregnancy products, toys.

Global MEASUREMENT SCOPE 500 questions · 188 brands named Measured: October 2026 Claude Opus 5.5
  1. Philips Avent 3.4%
  2. Bugaboo 2.8%
  3. Medela 2.4%
Monthly ranking
Technology and telecoms

Business software

ERP, accounting and invoicing, CRM, HR and payroll, project management, collaboration tools, small-business software, cloud platforms.

Global MEASUREMENT SCOPE 500 questions · 532 brands named Measured: October 2026 Claude Opus 5.5
  1. Microsoft 31.8%
  2. Google 21.4%
  3. Zoho 12.2%
Monthly ranking
Services

Private hospitals and health tourism

Choosing a hospital or clinic, health check-ups, childbirth, cosmetic surgery, hair transplants, dental treatment, laser eye surgery, medical tourism, insurance networks.

Global MEASUREMENT SCOPE 500 questions · 59 brands named Measured: October 2026 Claude Opus 5.5
  1. Bumrungrad 1.2%
  2. Acıbadem 0.8%
  3. Memorial 0.8%
Monthly ranking
Commerce

Electronics and home appliances

Smartphones, TVs, laptops and computers, home appliances, small appliances, headphones and audio, electronics retailers, warranty and repairs.

Global MEASUREMENT SCOPE 500 questions · 206 brands named Measured: October 2026 Claude Opus 5.5
  1. Apple 20.2%
  2. Samsung 17%
  3. Google 11.2%
Monthly ranking
Services

Education

Universities and studying abroad, language learning, online courses, tutoring, professional certificates, test preparation, study-abroad agencies.

Global MEASUREMENT SCOPE 500 questions · 200 brands named Measured: October 2026 Claude Opus 5.5
  1. Coursera 8.8%
  2. ETS 7%
  3. IELTS 5.4%
Monthly ranking
Commerce

Furniture and home decor

Sofas, mattresses and beds, bedroom and dining furniture, kitchens and bathrooms, home textiles, lighting and decor, online furniture shopping, assembly and delivery.

Global MEASUREMENT SCOPE 500 questions · 130 brands named Measured: October 2026 Claude Opus 5.5
  1. IKEA 11%
  2. Herman Miller 1.8%
  3. Wayfair 1.8%
Monthly ranking
Services

Parcel delivery and logistics

Sending parcels and prices, tracking and delivery times, lost and damaged parcels, shipping for online sellers, international shipping and customs, couriers and same-day delivery, moving house.

Global MEASUREMENT SCOPE 500 questions · 85 brands named Measured: October 2026 Claude Opus 5.5
  1. UPS 12.6%
  2. FedEx 11.2%
  3. DHL 9.4%
Monthly ranking
Services

Food delivery and restaurants

Food delivery apps, grocery delivery, restaurant and fast-food chains, promo codes and deals, delivery problems, healthy and diet meals, meal kits, restaurant reservations.

Global MEASUREMENT SCOPE 500 questions · 120 brands named Measured: October 2026 Claude Opus 5.5
  1. Uber Eats 13%
  2. DoorDash 11.8%
  3. Deliveroo 9%
Monthly ranking

METHOD

How we measure

01

Questions

500 unbranded English questions: 125 awareness, 250 consideration, 125 decision, modelled on what people ask on forums, review sites and in the search box. No country is given, so the answers show what SI recommends to anyone.

02

Answers

This month every answer comes from Claude Opus 5.5, without web search. Other SI engines will be added one by one.

03

Visibility rate

Answers naming the brand divided by all answers in the sector, the same denominator for every brand. Only the sector's own brands are ranked.

NEXT STEP

See your industry. Measure your brand’s place.

The index shows the sector's overall picture. Measure your brand's visibility in its own questions with BrandScore.

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