Skip to main content ↓

What Is Social Proof, and How Should I Be Using It?

a row of toy dinosaurs on a green background

Key Takeaways

The principle of social proof is a psychological theory that states people are influenced by the actions and approval of others, and in sales, it’s used to build trust and credibility with prospects.

By showcasing evidence like customer testimonials, case studies, positive reviews, and logos of well-known clients, salespeople can reduce a prospect’s perceived risk. This makes potential buyers feel more confident in their decision, as it demonstrates that others have already had a successful experience with the product or service.

 

Social proof in sales is the act of using other prospects’ and customers’ behavior as examples to influence your leads.

Your significant other picked up dinner on their way home and now you’re both on the couch ready to wolf it down as you binge a new Netflix show. The only thing left to decide is which show to watch.

You scan through the available options and see Cobra Kai. Hey, wasn’t your co-worker just telling you that it’s the best show on TV? And didn’t your partner’s brother post about it on Facebook last week? “Hmm,” you think, “maybe we should give it a try.”

That’s social proof in action. And it affects everything from the way we spend our time to the purchases we make. So…how can you leverage social proof advertising in your role as a salesperson or marketer? 

Keep reading to learn what social proof is, why it’s important, and five ways you can use it to boost sales for your company. We’ll also include real-life social proof examples throughout to help you visualize what it looks like when it’s done right.

Let’s dive in!

a man jumps off a diving board in front of a citroen sign

What is social proof?

Social proof is a psychological and social phenomenon in which people copy the actions of others in an attempt to reflect the “correct behavior” in a given situation.

The term was first coined by Robert Cialdini in his 1984 book Influence: The Psychology of Persuasion, and is driven by the assumption that the people around you possess more knowledge about a given social situation than you do, especially when that situation is ambiguous.

In layman’s terms: As humans, we’re wired to follow the examples of others. We think, “Well, if they’re doing it, it must be the right thing to do.”

If you’ve ever eaten at a specific restaurant because your best friend was raving about it, or purchased a new business software because one of your LinkedIn contacts mentioned it in a post, you’ve experienced this yourself.

Why is social proof important?

Social proof is an incredible asset for marketing and sales professionals. Why? Because when used correctly, it will help you build trust with potential customers, validate their buying decisions, and ultimately, drive more sales for your company.

Consider these social proof statistics:

  1. Most purchasing decisions start with online research, and 56% of those searches start on Amazon.
  2. About 98% of shoppers say they use online reviews to help them decide whether to buy.
  3. Testimonials can boost sales page conversion rates by 34%.
  4. More than half (55%) of consumers only buy from businesses with an average star rating of 4 stars or higher.
  5. 82% of consumers also search for negative reviews to make sure a company is credible.

As you can see, reviews, testimonials, and other forms of social proof are vital to sales—especially when selling products online. The question is, how do you acquire and use social proof effectively?

THAT’S PRO

Write less email, get more replies.

Are you falling off your prospects’ radars? With Nutshell’s personal email sequences, we’ll remember the follow-up for you.

LEARN MORE

a drawing of gears and envelopes against a black background

Social proof in action

You know that social proof can improve your business. But how do you acquire it and use it the right way? Below we’ve listed five common social proof tactics you can use to pour rocket fuel on your company’s sales and marketing efforts.

Social proof in B2B sales

Social proof works differently in B2B than B2C. While a friend’s Instagram post might sway your lunch choice, B2B buyers need deeper proof—they’re making bigger decisions with longer sales cycles and multiple stakeholders.

B2B buying committees typically include 5-10 decision-makers: executives focused on ROI, technical managers evaluating features, and finance teams managing budgets. Each person needs different proof points.

What B2B buyers actually want:

  • Case studies with metrics: Detailed stories showing exactly how your solution impacted revenue, efficiency, or customer satisfaction (e.g., “Reduced sales cycle time by 30%”)
  • ROI data: White papers and calculators that prove financial impact
  • Analyst recognition: Third-party validation from Gartner, Forrester, or G2 carries significant weight
  • Longer testimonials: Detailed customer success stories that address specific pain points, not just one-liners
  • Reference calls: The ability to speak with an actual customer often closes deals

The B2B advantage: Longer sales cycles mean more opportunities to layer in social proof. A prospect might encounter your case study early in research, see an analyst award mid-funnel, and reference a customer testimonial before signing.

This layered approach—using different proof types at different stages—separates companies that win deals from those that struggle.

Customer reviews

Reviews are the most common form of social proof.

When was the last time you bought a new product or service online without reading a few reviews first? Unless you buy all of your toilet paper on Amazon, the answer is probably never.

But it doesn’t stop with e-commerce. Most of us read reviews before hiring new contractors, trying new office furniture, or buying a new brand of dog food.

Positive customer reviews are essential to the success of your company. Fortunately, they’re not that hard to acquire. For most companies, just asking satisfied customers to share their experience on Google, Facebook, Yelp, G2, Capterra, etc. is enough.

If your customers are over the moon with your products and level of service, you might consider going a step further. Ask your company’s happiest patrons if they’re willing to be interviewed for a case study or customer success story.

These pieces of content are especially powerful because they allow brands to dig deep into why their customers love their products and how said products solved a specific problem.

Pro Tip: Don’t put all of your eggs in one basket when it comes to reviews. Roughly 55% of consumers typically read at least four reviews before deciding to make a purchase. So do your best to “spread the love” and ask your customers to review your company on multiple sites.

User-generated content

User-generated content is like customer reviews on steroids.

Think about it, would you rather invest in automation software that has hundreds of five-star reviews on Capterra, or the tool your actual friends keep raving about on LinkedIn? While both are promising, you’ll probably choose the latter option.

This is because user generated content like a LinkedIn post is more trustworthy. They wouldn’t post about something if they didn’t really love it, right?

Here are a few different kinds of user generated content types:

  • Staged photos: Have you ever ordered a drink from your favorite coffee shop and posted a picture of the cup on Instagram before taking your first sip? If you weren’t the one posting it, you’ve definitely seen this before. This kind of user-generated content is another form of social proof.
  • Action shots: By action shots, we mean images of your customers using your products. For instance, when customers post pictures of themselves wearing a specific clothing brand, it boosts social proof and helps others visualize the garments. 
  • Unboxing videos: This kind of content is really popular on YouTube. Encourage your customers to film themselves opening your products for the first time. Their expressions of excitement and satisfaction will be amazing social proof assets.

If your customers love your products, they’ll probably create content promoting them without you even having to ask. But you can also incentivize them by offering to repost their images on social media or giving them discounts.

Influencer Endorsements

Influencer marketing has exploded in the past few years. But the truth is, it’s been around for decades in the form of celebrity endorsements.

Have you ever bought a pair of sneakers because Michael Jordan wore them in an NBA game? Do you take social media marketing seriously because Gary Vee said you should? Maybe you use a specific kind of perfume because a famous actress is the face of the brand.

These are examples of celebrity endorsements. But these days, influence is wielded by more than just the 1%. Now anybody can use social media, blogging, email marketing, etc. to build an audience of loyal fans who trust what they have to say.

This is another amazing opportunity for your company to use social proof to boost sales. The latest research tells us that influencer marketing produces an ROI of 578%. Put another way, every $1 invested in influencer marketing returns $6.50.

Not bad!

To get in on the action, connect with influencers who are willing to promote your products. Here are a couple of tips to help you:

  • Find the right match: Not every influencer is right for your company. Partner with people who serve a similar customer base to yours and hold similar values to your brand. Make sure they use a channel that your target audience uses, too.
  • Look for engagement: While audience size is important, it shouldn’t be given nearly as much weight as engagement. It’s better to work with an influencer who has 20,000 highly engaged Instagram followers than one with 2 million followers who don’t interact with their posts.
  • Reach out personally: Show you’ve done your homework on the influencers you contact by referencing specific content they’ve created and why you think they’re a good fit for your brand. You’ll also want to make it clear why working with you is a good move—what’s in it for them?

Industry awards

Industry awards are another great way to show social proof because they come from third-parties, which customers automatically trust more than anything a brand says about itself. The more well-known a third party, the more trust the award imparts.

Take, for instance, the J.D. Power Awards, which are given to companies in a variety of different industries, who display excellence in their fields. Winning one of these awards helps prove to potential customers that a product is worth its price tags.

Another example is G2’s Best Software Products Awards. By making this list, companies can market the fact that their tools are endorsed by the world’s largest tech marketplace.

How do you win an industry award? Make great products and/or services! Then submit your company for consideration (if required) and see what happens.

If you do happen to win, let your audience know on social media, in your email newsletter, on your blog. If badge images are available for the winners, place one on your website so that your visitors know what you’ve accomplished.

Put yourself in your customers’ shoes. If you were considering two different products that each offer similar features, but one is “award-winning,” which would you choose? 

Business accomplishments and recognitions

Last but certainly not least, you can use social proof to your advantage by promoting the various accomplishments and recognitions your company has received. You may not realize it, but companies do this All. The. Time. in their website copy…

  • “Buy our product and join thousands of other satisfied customers.”
  • “As featured in [Company Logo], [Company Logo], and [Company Logo]”
  • “The best product ever!” – [Well-Known Publication]

We’ll also include accreditations in this category. You know what we’re talking about. Little badges that read “Fair Trade Certified” or “USDA Organic.” People with specific values look for these accreditations and think more highly of the companies that have them.

Just like with awards, spread the word about the accomplishments and recognitions your company has earned. Post about them, blog about them, display them on your website.

Starting your social proof marketing strategy

If you’re just launching a product or company, you face a common problem: you need proof to attract customers, but you need customers to create proof. Here’s how to bootstrap:

  • Leverage your team’s credibility. Highlight founder bios with professional backgrounds, speaking engagements at conferences, and relevant certifications. Your team’s expertise IS social proof.
  • Get early users to provide feedback. Offer free or discounted access to beta users in exchange for honest testimonials. Even a handful of authentic feedback (“Saved us 5 hours per week”) carries more weight than nothing.
  • Display your momentum. Showcase email subscriber counts, LinkedIn followers, or online community members. Growth signals popularity.
  • Pursue partnerships. Highlight integrations with well-known tools (“We integrate with HubSpot, Salesforce, and Zapier”) for borrowed credibility.
  • Collect micro-proof points. Don’t wait for perfect case studies—start small: customer quotes from calls, usage statistics, retention rates, setup speed, support ratings.
  • Create case studies early. Once you have 3-5 engaged customers, document their stories. Even small wins count (“Built workflows 50% faster”).

Most new companies can build credible social proof within 3-6 months. Prospects know you’re new—they’re looking for evidence that real people use your product and get value. Show them that, and you’ll convert more deals.

Measuring social proof ROI: The metrics that matter

You’ve implemented social proof across your website and sales process. But how do you know if it’s actually working? How do you measure the return on investment (ROI)?

Here’s the reality. Social proof is most effective when you measure its impact systematically. Otherwise, you’re flying blind.

Key metrics to track include the following.

1. Conversion Rate Lift

Compare your conversion rates before and after adding social proof to specific pages.

  • How to measure: Use Google Analytics or your CRM to track conversion rates (sign-ups, demo requests, purchases) for pages with and without social proof
  • Baseline: Your conversion rate before implementing social proof
  • Target: A 15-30% improvement is typical for high-quality social proof
  • Example: If your landing page converts at 2% without testimonials and 2.8% with them, you’ve achieved a 40% relative improvement

2. Win Rate on Deals Using Social Proof

Track how often sales reps close deals where social proof was explicitly shared versus deals where it wasn’t mentioned.

  • How to measure: Have your sales team tag deals in your CRM as “social proof used: yes/no”
  • Baseline: Your current win rate
  • Target: Deals where social proof was used should close at a 5-15% higher rate
  • Example: If your baseline win rate is 30%, deals featuring case studies or testimonials might close at 35-40%

3. Sales Cycle Length

Does social proof shorten the sales cycle?

  • How to measure: Track the average days from first contact to close for deals with and without social proof
  • Baseline: Your average sales cycle length
  • Target: Social proof should reduce this by 10-20% because prospects need less back-and-forth validation
  • Example: If your average sales cycle is 90 days, adding strong social proof might compress it to 72-81 days

4. Customer Acquisition Cost (CAC)

When social proof reduces your sales cycle and improves win rates, your CAC drops.

  • How to measure: Divide total marketing and sales spend by new customers acquired
  • Baseline: Your current CAC
  • Target: A 10-20% reduction in CAC when social proof is optimized
  • Example: If your CAC is $5,000 and social proof optimizations reduce it to $4,250, you’ve saved $750 per customer.

5. Revenue Per Customer

Stronger social proof can also increase deal size. Prospects who feel confident through social proof may purchase higher-tier plans or add-ons.

  • How to measure: Compare average contract values (ACVs) for deals where social proof was used versus those where it wasn’t
  • Baseline: Your current average deal size
  • Target: A 5-10% increase in ACV
  • Example: If your average deal is $10,000 and social proof increases it to $10,500, that’s an additional $500 per customer.

6. Website Engagement Metrics

Even if social proof doesn’t directly close deals, it should improve how prospects interact with your site.

  • How to measure: Track time on page, pages per session, and bounce rate for pages with social proof
  • Baseline: Your current engagement metrics
  • Target: Higher time on page and lower bounce rates
  • Why it matters: Engaged prospects are more likely to eventually become customers

7. Brand Perception and Trust Scores

Measure how social proof affects overall brand perception.

  • How to measure: Conduct surveys asking prospects how much they trust your brand, how likely they are to recommend you, and whether customer reviews influenced their perception
  • Baseline: Your baseline trust score
  • Target: A 15-25% improvement in trust perception after implementing social proof
  • Why it matters: Trust is foundational to all sales and marketing

How to set up tracking:

  • Segment your data: Use UTM parameters, landing page variants, or CRM tags to identify which prospects encountered social proof
  • Establish baselines: Before implementing social proof, document your current conversion rates, win rates, and sales cycle length
  • Implement slowly: Add social proof to one page or one sales email at a time, then measure the impact
  • Use A/B testing: Test pages with and without social proof simultaneously to get reliable comparisons
  • Track for at least 30 days: Give social proof time to impact your metrics before drawing conclusions

Here’s a quick example of how social proof can work in real life. A B2B SaaS company implemented social proof across their website with:

  • Added customer testimonials to their homepage
  • Created a case study section with 5 in-depth customer stories
  • Added client logos to their pricing page
  • Trained sales reps to reference case studies when pitching

Here are their results after 90 days:

  • Homepage conversion rate: +22%
  • Sales cycle length: Reduced by 18 days (from 90 to 72 days)
  • Win rate: Increased from 32% to 38%
  • CAC: Decreased by 16%
  • Revenue per customer: Increased 8%

The bottom line: Social proof ROI is real and measurable. By tracking these seven key metrics, you’ll know exactly how much value your social proof strategy is generating—and where to optimize for even better results.

Common mistakes that kill your social proof strategy

Social proof is powerful, but it’s also easy to get wrong. Here are the most common mistakes we see companies make—and how to avoid them.

Mistake 1: Using fake or outdated testimonials

This is the cardinal sin of social proof marketing. The FTC takes fake testimonials seriously, and rightfully so. Here are just a few examples of companies that have faced penalties after using fake or deceptive endorsements:

Even if you avoid legal trouble, fake reviews damage your credibility permanently once discovered.

The fix: Only use authentic testimonials from real customers who actually used your product. Get permission and verify details. If a testimonial seems too perfect, it probably is.

Mistake 2: Showing too much social proof

Counterintuitive, right? But overwhelming your website with 50 testimonials, 20 logos, and 10 awards actually reduces conversion rates. Prospects don’t process all of it—they get decision fatigue.

The fix: Use 3-5 of your strongest testimonials prominently. Organize awards and logos into a clean grid. Let quality trump quantity.

Mistake 3: Social proof without context

A testimonial that reads “Great product!” tells prospects almost nothing. They don’t know who said it, what their role was, what problem it solved, or how much it helped.

The fix: Include full context with every testimonial:

  • Customer’s name and title
  • Company name and size
  • Specific problem they faced
  • Concrete result achieved (use numbers when possible)
  • A photo of the person if possible

Mistake 4: Placing social proof in the wrong location

Putting testimonials at the very bottom of your sales page, below the fold, means most visitors never see them. Hiding your best proof is like burying your treasure.

The fix: Test social proof placement. Generally, strong testimonials work well after your main value proposition (mid-page) and near your call-to-action buttons. Don’t bury them.

Mistake 5: Not keeping social proof fresh

A case study from 2018 signals that you haven’t helped customers in 7 years. Prospects want to know you’re delivering value right now.

The fix: Refresh your social proof regularly. Aim for testimonials and case studies from the last 6-12 months. If you have an older testimonial you want to keep, update it with a recent date if you’ve verified it’s still accurate.

Mistake 6: Ignoring negative reviews

Some companies try to hide bad reviews or pretend they don’t exist. This backfires. Prospects expect to find a mix of positive and critical feedback—it feels more authentic.

The fix: Respond to negative reviews professionally and quickly. Thank the customer for their feedback, apologize sincerely, and offer to resolve the issue. When done well, a thoughtfully-addressed negative review actually builds trust because prospects see you care about satisfaction.

Mistake 7: Claiming social proof you don’t own

Using a competitor’s logo or claiming an award you didn’t win might boost your credibility short-term, but it’s legally risky and ethically wrong.

The fix: Only display logos and awards your company has actually earned or been explicitly granted permission to use.

Mistake 8: Focusing only on quantity, not relevance

“Join 50,000+ customers” might impress some people, but if those customers are in the wrong industry or use case, the number means nothing to your prospects.

The fix: Use social proof that’s relevant to your prospect’s specific situation. If you’re selling to e-commerce companies, lead with case studies from e-commerce brands. If you’re targeting agencies, highlight agency customers.

By avoiding these eight mistakes, you’ll build a social proof strategy that actually converts prospects into customers.

Boost sales with social proof

Social proof is the key to amazing marketing campaigns and higher sales numbers in 2025 and beyond. It will help you build trust with your customers, validate their buying decisions, and boost your conversion rates—if you use it correctly.

By implementing the tactics mentioned in this article, you’ll be able to take full advantage of social proof and propel your company to new heights.

FAQs

  • 1. How do I ask customers for testimonials without being pushy?

    Time your request right after a positive experience—like a successful project milestone or great support interaction. Keep it personal by mentioning specific wins, make it easy with guided questions, and offer a small incentive like a backlink to their website or social media shout-out.

  • 2. What should I do if I don’t have much social proof yet?

    Start with what you have:

    • Ask beta customers or early adopters for feedback
    • Showcase your team’s expertise and credentials
    • Highlight any industry certifications
    • Leverage partnerships with established brands.

    You can also use “wisdom of the crowd” metrics like email subscribers or free trial signups.

     

  • 3. How can I measure if social proof is actually increasing my sales?

    Track these key metrics in your CRM: conversion rate (before and after adding social proof), win rate on deals using testimonials, customer acquisition cost, and revenue per customer. Compare performance of landing pages with and without social proof to see the direct impact on your bottom line.

  • 4. What’s the difference between using social proof in B2B vs B2C sales?

    B2B buyers need detailed, technical proof like case studies, whitepapers, and ROI data because they’re making logical, long-term decisions. B2C customers respond better to quick, emotional signals like star ratings, user photos, and short reviews. B2B sales cycles are longer, so social proof needs more depth.

  • 5. How should I respond to negative reviews while maintaining social proof?

    Respond quickly and professionally—thank them for feedback, apologize sincerely, and offer to make it right. Take the conversation offline to resolve the issue, then follow up publicly once resolved. Well-handled negative reviews actually build trust by showing you care about customer satisfaction and stand behind your product.

DOWNLOAD

16 sales process templates for B2B pipelines

GET THE TEMPLATES

16 sales Process templates for b2b pipelines

BACK TO TOP

Join 30,000+ other sales and marketing professionals. Subscribe to our Sell to Win newsletter!