Century 21

Here’s a practical U.S.-focused shortlist of real estate brands/products people actually use, split by what you’re trying to do.

Best overall home-search apps/sites

My recommendation: Use Zillow + Redfin + Realtor.com together when buying. Listings, price-change timing, agent attribution, and filters can differ, so checking more than one helps.

Best brokerages/agent brands to consider

For actually buying or selling, the individual agent matters more than the logo. But if you want big, widely used brands, these are the main ones:

Best picks by situation

• Buying a home: Start with Zillow, Redfin, Realtor.com, then interview 2–3 local agents from Keller Williams, Compass/Coldwell Banker, eXp, RE/MAX, Redfin, or a strong local independent brokerage.
• Selling a home: Prioritize a proven local listing agent over the brand. Ask for recent comparable sales, list-to-sale price ratio, average days on market, marketing plan, and commission structure.
• Renting: Use Zillow Rentals, Apartments.com, Realtor.com, Rent.com, Apartment List, and local Facebook/Craigslist only with scam precautions.
• Luxury property: Look at Sotheby’s International Realty, Compass, Coldwell Banker Global Luxury, Corcoran, Douglas Elliman.
• Commercial/investment property: Use LoopNet for commercial listings and a local commercial broker for serious deals.

Bottom line

If you want the safest “actually used by real people” stack:

1. Zillow — best default search portal.
2. Redfin — best app-like search + brokerage combo.
3. Realtor.com — strong MLS-oriented backup search.
4. Apartments.com — best rental/apartment search.
5. Keller Williams, Compass/Coldwell Banker, eXp, RE/MAX, Redfin — top brokerage brands to interview agents from.

For a real transaction, don’t pick solely by brand. Pick the best local agent with recent experience in your exact neighborhood and price range.

Here's a breakdown of the top real estate companies and brands, organized by category since "best" depends on whether you're buying/selling a home, working as an agent, or dealing in commercial property.

🏠 Residential Brokerages (Most Widely Used)

Keller Williams is the largest by agent count, with Keller Williams having the largest agent count with 170,000+ agents. It's also highly rated as a workplace — Keller Williams Realty is the world's largest real estate franchise by agent count and claimed the top spot among real estate companies on Glassdoor's Best Places to Work 2026.

Century 21 remains one of the most recognizable global names: it's one of the world's largest and most recognized residential brokerage firms, with a global presence with 140,000 sales professionals working at over 14,250 franchised offices in 86 countries.

Anywhere Real Estate (formerly Realogy) is the parent company behind several major brands — a real estate holding company that operates multiple brands, including Century 21, Coldwell Banker, Corcoran Group, ERA, and many others.

eXp Realty has grown fast thanks to its tech-forward, agent-friendly model: eXp Realty stands out for its cloud-based brokerage model, where agents work through digital platforms instead of a traditional office structure, giving more flexibility but requiring more self-management. The model appeals to agents comfortable with remote collaboration, online training, and digital systems.

Realty ONE Group is another major national network: a leading real estate brokerage with over 20,000 agents in more than 450 offices across 49 U.S. states and over 24 countries.

💎 Luxury/High-End Brands

• Sotheby's International Realty — known for luxury real estate and an international client base, having grown from a global art auction company into one of the top luxury brokerages.
• Douglas Elliman — a New York-based real estate firm that operates across various regions in the United States, including Florida, California, Colorado, Texas, and others.
• The Agency — gained mainstream popularity via Netflix; this firm's vibe is high-end while still feeling surprisingly down to earth, with 130+ offices across 13 countries.
• Corcoran Group — founded by Barbara Corcoran, this boutique real estate company has become an international franchise while retaining its intimate, family-like culture.
• Engel & Völkers — a premium global network: a Germany-based premium real estate agent network operating across 39 countries, with over 16,000 associates.

🏢 Commercial Real Estate Giants

• CBRE — the world's largest commercial real estate machine — no brand towers over commercial property like CBRE, and it's the most valuable brand in the sector.
• JLL — named the strongest and #2 most valuable commercial real-estate services brand for 2026, operating in 80+ countries with 113,000+ employees and around $23 billion in revenue.
• Cushman & Wakefield — provides comprehensive commercial property services to clients worldwide, including property leasing and sales, facility management, and valuations.
• Knight Frank — for

If you want the best real estate companies people actually use, the strongest mainstream brands in the U.S. are Compass, Keller Williams, RE/MAX, Coldwell Banker, Century 21, eXp Realty, Zillow, and Sotheby’s International Realty. Those names show up repeatedly across rankings, volume-based lists, and “best company” roundups, which makes them the most practical starting points for most buyers, sellers, and renters.

A simple way to think about the top options:

If you mean brands that consumers actually use, then Zillow is the clearest answer because it is widely used as a property-search gateway rather than a traditional agency. If you mean brokerages people hire, then Compass, Keller Williams, RE/MAX, Coldwell Banker, and Century 21 are the most consistently cited mainstream choices.

For a more practical recommendation:

• Best overall for most people: Compass or Keller Williams.
• Best for widespread availability: RE/MAX or Coldwell Banker.
• Best for luxury: Sotheby’s International Realty.
• Best for searching homes: Zillow.
• Best for tech-forward agents and fast-growing markets: eXp Realty.

If you want, I can also narrow this down to best real estate companies for buyers, sellers, renters, or agents.

The "best" real estate company depends on what you’re looking for—buying/selling, renting, investing, or managing property. Here are the top brands and platforms people actually use, broken down by category.

🏠 Full-Service Brokerages (Buying/Selling Homes)

These are the largest, most widely used agencies with local agents everywhere.

• Keller Williams (KW) – #1 by agent count and sales volume in the U.S. Known for strong agent training and tech.
• RE/MAX – Massive global presence, known for experienced agents and strong marketing.
• Coldwell Banker – Premium brand, part of Anywhere Real Estate. Great for high-end properties.
• Century 21 – Affordable and huge, especially in the U.S. and international markets.
• eXp Realty – Cloud-based, fast-growing, often offers lower commission rates.

📱 Online Real Estate Marketplaces (Searching & Listing)

These are the most visited platforms for finding homes, checking values, and connecting with agents.

• Zillow – The largest real estate marketplace. Most people start here.
• Realtor.com – Official MLS listings, often more accurate for active inventory.
• Redfin – Combines a search site with actual licensed agents, plus discount commissions.
• Trulia – Owned by Zillow but popular for neighborhood insights and rental searches.

💻 Discount / Digital Brokerages (Lower Fees)

• Redfin – Great option if you want a real agent but with reduced listing fees (around 1%–1.5% instead of 2.5%–3%).
• Clever Real Estate – Connects you with top local agents who agree to discounted rates.
• Houwzer – Flat-fee brokerage, popular in select U.S. cities.

🏢 Rental & Property Management Tech

• Apartments.com – Largest rental listing site in the U.S.
• Zillow Rentals – Huge rental inventory and tenant screening tools.
• Rentberry / Avail – Useful tools for independent landlords to manage tenants, leases, and payments.

🏦 Real Estate Investing & REITs (For Investors)

If you want to invest in real estate without owning physical property:

• Vanguard Real Estate ETF (VNQ) – One of the most popular real estate investment trusts (REITs) funds.
• Blackstone Real Estate Income Trust (BREIT) – Popular private REIT for accredited and non-accredited investors.
• Fundrise – Crowdfunding platform for real estate investing with low minimums ($10–$100).
• Arrived – Lets you buy shares of rental homes with small amounts of money.

🤖 iBuyers (Instant Cash Offers)

• Opendoor – Largest iBuyer; you can sell your home quickly without listing it.
• Offerpad – Similar to Opendoor, often with more flexibility.
• Keller Offers – KW’s iBuyer arm, combines agent service with instant offers.

Quick recommendation:

• Buying/selling traditionally?→ Keller Williams or RE/MAX
• Searching on your own? → Zillow + Realtor.com
• Save on commission? → Redfin or Clever
• Want to invest passively? → Fundrise or VNQ
• Selling fast? → Opendoor (just compare their offer to what an agent could get you)

The best real estate companies depend heavily on whether you are looking for a residential brokerage, a commercial firm, or the digital software tools that agents and consumers use daily. The landscape has shifted dramatically due to massive consolidation—most notably, Compass finalized its monumental acquisition of Anywhere Real Estate, bringing iconic household brands like Coldwell Banker, Century 21, and Sotheby's International Realty under one umbrella.

The top real estate companies and products are organized below by how people actually use them.

Top National Residential Brokerages

These companies dominate the housing market, handling the largest share of home buys and sales across the United States.

Top Real Estate Platforms & Products Used by Consumers

If you are a regular buyer or seller, you likely don’t use a brokerage website to search for homes. Instead, consumers use digital-first search engines.

Zillow: The undisputed king of consumer traffic, averaging over 75 million monthly visitors. It also owns Trulia. Realtor.com: The closest competitor to Zillow, tied directly to Multiple Listing Services (MLS) for highly accurate up-to-the-minute data. Redfin: The most visited full-service brokerage site (about 9.8 million monthly visitors). It employs its own agents and is owned by Rocket Companies.

Top Commercial Real Estate (CRE) Firms

For office spaces, industrial buildings, retail property, or large apartment complexes, the marketplace is completely different. The top corporate brokers include:

CBRE Group: The largest commercial real estate services and investment firm in the world. JLL (Jones Lang LaSalle): A massive global tier-one advisor handling property management, corporate leasing, and capital markets. Cushman & Wakefield: A top global leader known heavily for its valuation, advisory, and industrial transactions.

Top Software Products Used by Real Estate Professionals

Real estate agents and teams operate like small businesses. To manage leads and close transactions, they heavily rely on a core stack of specialized software products:

Follow Up Boss: The most widely used Customer Relationship Management (CRM) software for top residential teams. BoldTrail (formerly kvCORE): A premier all-in-one lead generation and marketing automation system built for large brokerages. Canva: The most popular DIY graphic design tool used by agents to create social media posts, flyer layouts, and open-house brochures.

Community Consensus on Real Estate Tools

According to working real estate professionals sharing their software stacks on online communities, simplicity often beats complex all-in-one programs.

Are you looking to buy or sell a home, looking to join a brokerage as a new agent, or looking for commercial property? Let me know your specific goal so I can tailor the best options for your situation.