Conversion research

Do Online Reviews Increase Sales?

Yes — but the relationship between reviews and sales is more nuanced than most businesses realise. This guide covers what the research shows and how to use reviews to drive measurable revenue.

Read the research
98%
of consumers read reviews before making a purchase decision
3.5x
more likely to purchase with 50+ reviews vs fewer than 5
4.0+
star minimum for most customers to consider buying

The research says yes

What the data shows about reviews and sales

Reviews increase sales through two distinct mechanisms: they drive more traffic by improving your visibility in Google Maps and local search, and they improve the conversion rate of traffic you already receive by building trust before a customer contacts you or visits.

A business with 50 reviews at 4.5 stars receives more calls, more website visits, and more walk-in traffic than an otherwise identical business with 5 reviews at 4.0 stars.

For local service businesses, restaurants, healthcare providers, and professional services, online reviews are often the primary decision-making factor for new customers. A strong review profile directly reduces the friction between a potential customer seeing your business and contacting you.

98%
read reviews before purchasing
3.5x
more sales with 50+ reviews vs under 5
15%
average revenue increase from 3.5 to 4.5 stars
88%
trust reviews as much as personal recommendations

How reviews drive sales

Three ways reviews directly increase sales

1

Search ranking: more reviews means better placement

Google uses review quantity and recency as ranking signals in Maps and local search. More reviews means better placement, more visibility, and more customers finding you. This is the top-of-funnel sales impact of reviews.

2

Click-through rate: reviews affect how many people click your listing

Your star rating and review count appear next to your business name in every Google search result. Most people make a decision about whether to click based on these two numbers before reading anything else. A higher rating and more reviews produce more clicks from the same position.

3

Conversion rate: reviews reduce purchase hesitation

A customer who has read 20 positive reviews is significantly more likely to book or visit than one who found a listing with no reviews. Reviews provide social proof that reduces the perceived risk of trying a new business, directly increasing the percentage of visitors who take action.

Frequently asked questions

Common questions

Yes through two mechanisms: more reviews improve your Google Maps ranking driving more traffic, and a higher review count with a strong rating improves conversion rate by reducing purchase hesitation.

Research suggests the most significant conversion rate improvement comes when a business goes from 0 to 10 reviews, and again from 10 to 50 reviews. The ranking benefit of consistent review collection compounds over time regardless of total count.

Yes but less than you might think if handled well. A business with 100 reviews at 4.3 stars will generally outperform one with 20 reviews at 4.8 stars because volume signals more established trust.

Yes. The degree of impact varies by category. Healthcare, legal, and home services see proportionally larger impacts from reviews because customers are making higher-stakes decisions.

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