Most Indianapolis service businesses treat Google reviews as a nice-to-have, something you collect when a happy customer happens to mention it. That is a mistake with a real cost attached. Review signals now account for roughly 16 to 20 percent of Google's local ranking algorithm, up from 16 percent just a few years ago, according to Whitespark's 2026 Local Search Ranking Factors study. And separately, they decide whether the person who finds you actually picks up the phone.
This is a breakdown of how reviews affect both sides of that equation: what Google's algorithm actually measures, and what it takes to get a steady stream of new ones without gaming the system.
How Much Reviews Actually Weigh in Google's Algorithm
Local rankings are not one signal. Whitespark's 2026 study breaks the algorithm into seven weighted categories, and reviews are the second-heaviest factor after your Google Business Profile itself.
| Ranking Factor | Approx. Weight | What it covers |
|---|---|---|
| Google Business Profile signals | ~32% | Categories, business name, completeness of your profile. |
| Review signals | ~16-20% | Volume, recency, rating, keyword relevance, owner responses. |
| On-page signals | ~15-19% | Your website's content, structure, and local keyword targeting. |
| Link signals | ~15% | Backlinks and domain authority. |
| Behavioral signals | ~8% | Click-through rate, calls, direction requests from your listing. |
| Citation signals | ~7% | Consistent name, address, and phone number across directories. |
The trend line matters more than the exact number. Reviews have grown from roughly 16 percent of the algorithm in 2023 to 20 percent today. Google is leaning harder on reviews every year, not less, because they are one of the few signals it can trust as genuinely written by real customers.
What "Review Signals" Actually Includes
Google is not just counting stars. Within that 16 to 20 percent, it evaluates several distinct things at once: how many reviews you have relative to competitors, how recently they were posted, your average rating, whether the review text contains the same keywords a customer might search, and whether you respond to reviews at all. A business with 40 reviews, a 4.8 average, and zero owner responses will often rank behind a competitor with 25 reviews, a 4.6 average, and a reply on every single one.
Why Recency Beats Raw Volume
This is the part most business owners get backward. They assume the goal is stacking up as many reviews as possible, all-time. But BrightLocal's 2025 Local Consumer Review Survey found that 73 percent of consumers only trust reviews written in the last month. A business sitting on 150 reviews from three years ago and nothing recent looks less credible to both Google and the customer than a business with 30 reviews, five of which came in this month.
This is called review velocity, and it is why a one-time push to collect reviews does not work long term. The businesses that stay ahead treat review collection as an ongoing part of how every job wraps up, not a project you run once and forget.
The quick audit: Pull up your Google Business Profile and sort your reviews by newest. If your most recent review is more than 30 days old, that is the first thing to fix, before anything else on this list.
How Reviews Affect the Human Behind the Click
Ranking higher only matters if it turns into calls. On that front, the numbers are just as direct. BrightLocal's 2025 survey found that 93 percent of consumers read online reviews before visiting a business, and 95 percent say they are more likely to trust a business with many reviews over one with only a few. The average consumer spends close to 14 minutes reading around 10 reviews before deciding whether to trust a local business.
That means your reviews are doing sales work before a customer ever calls. A plumber with a thin, outdated review section is losing jobs to a competitor with the same skill level and a fuller, more recent one, purely on the trust gap.
A System for Getting Reviews Consistently
The businesses that keep a steady flow of recent reviews are not lucky. They have a repeatable process:
- Ask at the moment of highest satisfaction. That is right after the job is done and the customer has seen the result, not days later in a batch email.
- Text the direct link, not a generic request. Google gives every business a shareable review link. A text with that link takes ten seconds for the customer to act on. An email asking them to "leave us a review" with no link gets ignored.
- Make it a step in your process, not an afterthought. The businesses that get this right build the ask into their invoicing or job-closeout workflow so it happens every time, not only when someone remembers.
- Respond to every review, good or bad. This is one of the review signals Google measures directly, and it is also what a future customer sees when they are deciding whether to trust you.
Handling a Negative Review
One bad review does not sink a business with a healthy volume of recent, positive ones. What sinks a business is silence. Respond calmly, address the specific complaint, and offer to resolve it outside the review thread if needed. A thoughtful public response to criticism often builds more trust with future customers than another five-star review would, because it shows there is a real person behind the profile who takes the work seriously.
What you should never do is buy reviews, offer incentives for them, or ask only your happiest customers while filtering out anyone who seemed unsure. Google actively looks for unnatural review patterns, and getting caught can mean your entire profile gets suspended, which erases the ranking benefit and the trust benefit at the same time.
What Korva Digital Does
Review strategy is part of the local SEO work we do for Indianapolis service businesses: auditing your current review velocity, setting up a review request workflow tied to your job completion process, and making sure your Google Business Profile is structured to get full credit for the reviews you already have.
If you want an honest read on where your review profile stands against your competitors, book a free audit. We will show you exactly what Google and your customers are seeing, and what it would take to close the gap.
Written by the Korva Digital team · Indianapolis, IN · July 2026