Customer Testimonials That Win Contracting Jobs

Customer testimonials are arguably the most authentic and valuable endorsements you can get as a contractor: they drive strong social proof which in turn builds brand trust and reputation. 

But you still have questions: 

• How do you turn testimonials into real, paying jobs?  

• What does a good testimonial look like? 

• How do you get testimonials from clients? 

• What are best practices for testimonials? 

• How do testimonials complement marketing strategies? 

This article is your answer book, your ultimate guide to turning customer endorsements into powerful bidding and marketing assets. 

Why Testimonials Win Contracting Jobs 

In the contracting business, customers like to see solid proof that you can actually deliver on your promises. Positive testimonials show credibility, reduce uncertainty, and build trust. Ultimately, testimonials reassure customers that they’re making the right choice by hiring you. 

Testimonials are a form of word-of-mouth marketing. And that’s what makes it so effective at winning contracts. Stats show that word of mouth generates 5X more sales than paid ads. 

Social Proof and Trust in High-Ticket Decisions 

We’ve all, at one time or another, been swayed by public opinion. Maybe you switched to a new coffee shop after hearing your friend rave on about their amazing coffee. Or you’ve once chosen a brand simply because it’s the same one that other professionals use.  

People are social creatures — we naturally want to mirror the opinions and actions of others when making decisions, as our instinct is to trust their experience and knowledge. That phenomenon’s known as social proof. 

In his 1984 book, Influence: The Psychology of Persuasion, Dr. Robert Cialdini argues that social proof is a key principle of persuasion. When something is widely trusted by your community as positive, it reduces purchase anxiety, molds a positive perception of your brand, and builds instant trust among those who have yet to experience it. In the end, even a hesitant customer feels more confident hiring your company.  

Testimonials vs. Reviews 

In a nutshell, testimonials are curated, highly positive endorsements that are posted internally. Reviews, on the other hand, are raw, unedited feedback that customers post on third-party sites. 

We’ve gone more in depth in the table below. 

	Testimonial	Review
Content	A detailed, narrative-driven feedback describing the customer’s success story.	A short, straightforward comment showing the customer’s overall opinion, sentiment, and perception of the business.
Source	You actively solicit testimonials from select customers. These are then featured on the company’s website, brochures, and bid proposals.	Customers voluntarily write reviews on third-party platforms such as Google, Yelp, Angi, and NextDoor.
Tone	Testimonials are exclusively positive.	A review may be positive, neutral, or negative.
Control	Your business has full control over each testimonial’s content, format, and visibility.	You have no control over what customers say in reviews or how they are shared.
Purpose	Meant to build trust, show credibility, and break down barriers to purchase.	Offers a glimpse into the customer experience and helps potential clients make the right decisions.

What Makes a Great Contractor Testimonial? 

A good testimonial goes beyond simply praising the business with a statement like, “They did a great job.” It tells an authentic, relatable story about how the contractor specifically solved a customer’s problem. 

Take a look at this testimonial, for example: 

“ACME is a great roofing company. The team is quick to respond and did quality work on my leaking roof.” 

While it does make a case for ACME, it lacks that storytelling element we’re talking about. It feels flat, generic, and vague. 

Here’s a much better take on the same feedback: 

“After a storm ruined our roof, ACME responded quickly and explained everything clearly. The team was professional, finished the major roof overhaul in just three days, and left the house completely spotless. We’ve not had any leaks since, even after recent heavy rains. I honestly didn’t expect the repairs to be done so fast. I’d highly recommend ACME for fast, quality roofing work.” 

Specific and Credible 

Details, details, details — it’s what makes a testimonial feel sincere. 

Let’s go back to the example we’ve used above. The testimonial is from a real customer facing a real problem. Crucially, it details the specific problem, how it was solved, and why they are happy with the contractor. 

Outcome-Focused 

Winning testimonials are result-oriented: what did the customer get out of hiring the contractor? 

With most contracting work, the outcome is really what customers care about. The testimonial must build up to that outcome. In our example, the outcome is a strong roof that never leaks and their own positive customer experience. 

Verified (Third-Party) Testimonials 

These are customer endorsements authenticated by an impartial third party rather than the contractor themselves. The third party confirms that the feedback is from a real client and job. 

Third-party testimonials carry more weight than self-collected ones. That’s why GuildQuality collects and verifies contractor testimonials. It’s all about selling credible customer endorsements that cultivate trust and strong social proof. 

How to Get Customer Testimonials 

Many contractors struggle to draw meaningful testimonials from clients. But, with a little creative encouragement, persuading happy customers to share their stories is easier than most service businesses realize. 

Ask at the Right Moment 

Only a small number of clients will ever share feedback with your business if you don’t ask them in the right way or at the right time. 

Request a testimonial when the customer is happiest — ideally, soon after solving their problem, when the positive experience is still fresh. Just ask the client a couple of simple survey questions about their experience: 

1. Why did you choose our company? 

1. What would you say was your biggest problem? 

1. What outcomes stood out for you? 

1. Were you satisfied with your service? 

1. Would you recommend our services to friends or colleagues? 

Turn Survey Feedback into Testimonials 

Survey results generally provide quantitative data, not a great story. You have to turn the rather stiff feedback into a fitting testimonial. 

String the results into a flowing narrative by filling in the gaps with your own words. You could even reach out to the client and ask them to expand on their feedback. You can also request direct quotes from the client to make the testimonial more authentic. 

Make It Easy for the Client 

Many customers dismiss feedback requests, and for valid reasons: they’re frankly too annoying, intrusive, or time-consuming most of the time.  

Avoid such problems by making it as easy as possible for clients to give testimonials. For starters, ask simple questions using a short questionnaire. Don’t make the client do all the tedious work, like filling out a boring form or standing around for an interview over the phone or in person. The simpler, the better. 

RELATED ARTICLE — The Complete Guide to Customer Satisfaction Surveys 

Video vs. Written Testimonials 

The choice of whether to go with video testimonials vs. written testimonials depends on your audience, job, publishing platform, and the story you want to tell. 

Let’s go over the pros and cons of each type of media. 

Video Testimonials 

The pros: 

1. Highly engaging and memorable 

1. Easily capture and portray genuine emotions 

1. Feel authentic and difficult to fake 

1. Clearly demonstrate the before-and-after results 

The cons: 

1. Take more time and resources to make 

1. May be vulnerable to skepticism 

1. Can only be published on platforms that support multimedia 

1. More prone to reluctant clients who don’t want themselves or their property in a video 

Written Testimonials 

The pros: 

1. Easy to source and produce 

1. Ideal for both small- and large-scale projects 

1. Easy to edit and repurpose 

1. Can be published anywhere (website, proposals, social media, bids, brochures, etc.) 

The cons: 

1. Lack a strong emotional connection 

1. Can sometimes seem fabricated or exaggerated (unless verified) 

1. Less engaging or convincing than video 

RELATED ARTICLE — How Remodelers Can Master Customer Retention 

How to Turn Testimonials into Marketing Assets 

Testimonials are powerful marketing tools, but they only work when used strategically alongside other marketing assets. Well-placed testimonials can reinforce credibility, reassure potential clients, and drive conversions. 

Here’s how to make the best use of customer testimonials for contractors. 

Website and Project Pages 

Integrate testimonials into your website. Place them in highly visible web pages where they’ll have the biggest impact, including: 

1. Home and landing pages 

1. Service pages 

1. Dedicated testimonials page 

1. About us page 

1. Contact page 

Proposals and Bids 

Include select testimonials in your project bids and proposals. The trick here is using testimonials that closely relate to the job in question. Testimonials from clients with similar needs or projects can be vital in persuading a hesitant client. 

Social and Ads 

Make testimonials part of your social media and ad campaigns, placed alongside other organic content across social channels. 

When it comes to ads, testimonials bring a certain sense of authenticity and trust to otherwise promotional messaging. After all, 92% of customers trust personal recommendations over ads. Enriching social and PPC ads with testimonials can sprinkle in some of that trust. 

Google and Review Profiles 

If you ask nicely, customers will write testimonials on your Google Business Profile. Google testimonials are great because you can respond to the feedback. A majority of customers prefer businesses that engage with customer feedback. 

Moreover, positive feedback on your review profile boosts your local ranking. Your contracting brand becomes visible to more potential clients. 

Verified Reviews → Testimonials → Referrals (the Through-Line) 

Think of building social proof as a three-staged journey. It starts with a skeptical customer and ends with a brand advocate. 

Verified reviews 

The customer writes a review that’s verified by a third party. That review proves that the business is indeed legit. More importantly, it shows that the contracting service is backed by real customers. 

Testimonials 

From that review comes a testimonial. The testimonial goes deeper in explaining how you met the customer’s expectations and solved their problems, which further reinforces trust.  

Referrals 

The testimonial ends with a referral. That’s where the customer recommends your contracting services to someone else, generating quality leads at no extra cost. 

The Word-of-Mouth Flywheel 

New customers are happy with the business and refer other customers, those customers become new happy ones and leave positive reviews for potential customers… When the through-lines above become a perpetual cycle of satisfied customers attracting new customers, it creates a word-of-mouth flywheel. The wheel keeps spinning, gaining momentum as every positive customer experience fuels the next. 

 

RELATED ARTICLE — Contractor’s Guide to Improving Customer Satisfaction 

Testimonial Best Practices & Compliance 

Let’s go over the written and unwritten rules on using testimonials. 

Permission and Authenticity 

All testimonials should be truthful.  

• Every testimonial should come from an actual customer, not be fabricated.  

• When publishing any testimonial, represent the customer’s words, sentiments, and experience accurately. 

Crucially, always ask for permission to use or publish a testimonial. Let the customer know exactly how you intend to present their feedback and what it will say. 

FTC Basics 

The Federal Trade Commission (FTC) sets strict laws and regulations around the use of testimonials. Most of these are stipulated in the recently finalized Consumer Reviews and Testimonials Rule. The FTC’s main goal is to protect consumers against false advertising while protecting their privacy. 

Here are the major highlights: 

1. Testimonials and reviews must be genuine. 

1. Disclose any compensation (discounts, cash, gift cards, etc.) awarded in exchange for reviews. 

1. Do not misrepresent customer feedback and experiences. 

1. Always ask the customer’s permission before posting their testimonials. 

Violating FTC laws incurs civil penalties of up to $50,120 per violation. 

Conclusion 

Testimonials are valuable tools for world-of-mouth marketing and growth. When used correctly, they create a zero-cost trust and referral cycle that keeps on giving.  

However, customers will only trust authentic-looking testimonials, which is why posting third-party verified testimonials makes your brand more credible through the public eye. 

Start leveraging verified contractor testimonials with GuildQuality verified reviews. Our four-step approach (Ask→ Learn → Promote → Grow) helps you use customer feedback to build trust and win more service contracts. Get started today.