50 Best Email Subject Lines by Industry
Last updated: January 9, 2025
Proven subject lines that get opened, organized by industry. Use these as templates or inspiration for your next email campaign.
💼 B2B SaaS (10 Subject Lines)
"[Name], quick question about [Company]'s workflow"
Personalized, curiosity-driven • 55 characters
"See how [Competitor] increased productivity by 40%"
Social proof, specific metrics • 52 characters
"Your free trial expires in 48 hours"
Urgency, clear timeframe • 41 characters
"3 ways to automate your [specific task]"
Benefit-focused, numbered list • 45 characters
"Following up: Did you get a chance to review?"
Follow-up, polite tone • 49 characters
"Save 10 hours per week with [Feature]"
Time savings, specific benefit • 43 characters
"[Name], noticed you downloaded our guide"
Behavioral trigger, personalized • 46 characters
"Still struggling with [pain point]?"
Pain point focused, question format • 42 characters
"New feature: [Feature Name] is now live"
Product update, newsworthy • 45 characters
"Join 10,000+ teams already using [Product]"
Social proof, specific numbers • 48 characters
🛒 E-commerce (10 Subject Lines)
"Flash Sale: 50% off ends tonight at midnight"
Urgency, discount, specific deadline • 48 characters
"[Name], you left something in your cart"
Cart abandonment, personalized • 44 characters
"Your exclusive 20% discount code inside"
Exclusive offer, discount promise • 43 characters
"Back in stock: [Product Name]"
Product availability, FOMO • 35 characters
"Free shipping + free returns today only"
Value add, urgency • 43 characters
"Recommended for you based on recent browsing"
Personalized recommendations • 50 characters
"New arrivals: Just dropped this week"
Product announcement, freshness • 42 characters
"Trending now: Our 5 bestselling items"
Social proof, trending • 43 characters
"Last chance: Sale ends in 3 hours"
Final urgency, countdown • 38 characters
"Thank you! Here's 15% off your next order"
Post-purchase, loyalty reward • 47 characters
🏡 Real Estate (10 Subject Lines)
"New listing: 3BR in [Neighborhood] under $500K"
Specific details, price point • 50 characters
"Open house this weekend: Saturday 2-4pm"
Event invitation, specific time • 44 characters
"Just sold in your neighborhood for $50K over asking"
Local relevance, market update • 56 characters
"Is now the right time to sell your home?"
Question format, timely • 45 characters
"Your home value increased by 12% this year"
Value proposition, specific metric • 48 characters
"Found: 5 homes matching your criteria"
Personalized search results • 43 characters
"Price drop alert: [Address] now $25K less"
Price change, opportunity • 46 characters
"Free home valuation for [Your Address]"
Free offer, personalized • 43 characters
"Thinking about moving? Let's chat"
Conversational, low pressure • 38 characters
"Market update: What's happening in [Area]"
Educational, local focus • 47 characters
🏥 Healthcare (10 Subject Lines)
"Appointment reminder: Tomorrow at 2:00 PM"
Reminder, specific time • 46 characters
"Your test results are ready to view"
Actionable, important information • 40 characters
"Time for your annual checkup, [Name]"
Personalized, health routine • 42 characters
"New patient? Here's what to expect"
Educational, welcoming • 39 characters
"Flu shot clinic: Walk-ins welcome this week"
Service announcement, convenience • 49 characters
"Important: Prescription refill needed"
Urgent, health-critical • 42 characters
"5 tips to improve your [health condition]"
Educational, numbered tips • 47 characters
"Welcome to our practice, [Name]"
Welcoming, onboarding • 36 characters
"Telehealth available: Schedule online today"
Service option, convenience • 48 characters
"Billing question? We're here to help"
Support, helpful tone • 41 characters
💰 Finance (10 Subject Lines)
"Your monthly statement is now available"
Informational, expected content • 45 characters
"Unusual activity detected on your account"
Security alert, urgent • 46 characters
"Save $500/month with these 3 simple changes"
Savings promise, specific amount • 49 characters
"Rate alert: Lower your mortgage payment today"
Rate opportunity, action-oriented • 50 characters
"Your credit score increased by 35 points"
Good news, specific metric • 46 characters
"Tax season: Maximize your deductions"
Timely, benefit-focused • 41 characters
"Free financial review: Let's discuss your goals"
Free offer, consultative • 52 characters
"Payment due: Avoid late fees by [Date]"
Reminder, consequence warning • 43 characters
"Market update: What it means for your portfolio"
Educational, personalized • 52 characters
"Pre-approved for $250K: Check your offer"
Pre-qualification, specific amount • 46 characters
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