Testimonial Template for Agencies: Capture Client Results That Win New Business

Agency sales run on trust. Before a prospect signs a $50K contract, they need to believe you'll deliver results, communicate clearly, and not become another agency horror story.

Your testimonials carry that weight. They're not just nice-to-haves — they're the difference between "let's schedule a call" and "we went with someone else."

But most agency testimonials are weak. "Great to work with!" doesn't beat a competitor with actual case studies. You need testimonials that show results, process, and partnership.

Here's how to get them.

Template 1: The Results Template

Best for: Performance agencies, lead gen, anything with measurable outcomes

We hired [Agency] to help with [goal].
In [timeframe], we saw [specific result].
The thing that made the difference was [what they did differently].

Example:

"We hired Compound to help with our paid acquisition. In 90 days, we saw our CAC drop from $180 to $95. The thing that made the difference was their creative testing process — they ran 40+ variations before scaling the winner."

Why it works: Numbers beat adjectives. Every time.

Template 2: The Partnership Template

Best for: Long-term retainers, strategic engagements, brand work

Working with [Agency] felt like [comparison].
They didn't just [deliver service] — they [went deeper].
We've now worked together for [duration] because [reason].

Example:

"Working with Instrument felt like adding a senior team to ours. They didn't just design a website — they challenged our positioning and helped us clarify who we were. We've now worked together for 3 years because every project gets better."

Why it works: Prospects want a partner, not a vendor. Show you're the former.

Template 3: The Process Template

Best for: Clients who were nervous about working with an agency

I was hesitant to hire an agency because [concern].
[Agency] addressed that by [how they operated].
By the end, I felt [emotion/state].

Example:

"I was hesitant to hire an agency because I'd been burned before — missed deadlines, disappearing PMs, scope creep. Barrel addressed that by sending daily Loom updates and a live project tracker. By the end, I felt more informed about my own website than ever."

Why it works: You're directly addressing objections prospects haven't voiced yet.

Template 4: The Before/After Template

Best for: Rebrands, redesigns, turnarounds

Before [Agency], our [thing] was [before state].
They came in and [what they did].
Now, [after state with specific evidence].

Example:

"Before Collins, our brand felt scattered — different colors on every touchpoint, no clear voice, forgettable. They came in and ran a 3-month brand sprint with our team. Now, we get comments on our brand consistency at every conference. Our investors specifically mentioned it in our Series B deck feedback."

Why it works: Transformation stories are the most compelling content format.

Template 5: The Communication Template

Best for: Any agency, but especially those who pride themselves on process

What surprised me about [Agency] was [unexpected positive].
Every week, we [communication cadence].
I always knew [what they always knew].

Example:

"What surprised me about Tonic was how proactive they were. Every week, we had a 30-minute sync with clear next steps documented. I always knew exactly where we were in the timeline and what decisions I needed to make."

Why it works: Poor communication kills agency relationships. Prove you're different.

Template 6: The Comparison Template

Best for: Agencies in crowded markets, those with strong differentiators

We'd worked with [number] agencies before [Agency].
The difference was [key differentiator].
We've since [evidence of loyalty].

Example:

"We'd worked with 4 SEO agencies before Grow & Convert. The difference was they actually cared about business outcomes, not just traffic. They asked about our sales cycle, close rates, and which content drove revenue — not just rankings. We've since recommended them to every founder we know."

Why it works: Comparison implies you're the best without you having to say it.

Template 7: The Recommendation Template

Best for: Referral-driven agencies, niche specialists

I'd recommend [Agency] to [specific type of company/person].
Specifically if you're [situation or challenge].
They're particularly good at [specialty].

Example:

"I'd recommend Focus Lab to any funded startup going through a rebrand. Specifically if you're trying to level up your brand to match your growth. They're particularly good at balancing founder vision with design expertise — they push back, but they listen."

Why it works: This is a direct referral. Use it on pages targeting those exact segments.

How to Ask Agency Clients for Testimonials

Timing matters more for agencies than almost any other business. Ask at the wrong moment and you'll get ignored (or worse, a tepid response).

Best Times to Ask

• Project wrap: When deliverables are fresh and excitement is high
• After a win: When they share results driven by your work
• At renewal: When they've already decided to keep working with you
• After a referral: They just recommended you — they're clearly happy

How to Ask

1. Send the template directly in your request
2. Reference specific work: "I'd love to capture how the rebrand went..."
3. Offer to draft something for their approval (some clients prefer editing to writing)
4. Make it easy: short form, quick video, or even just a reply to your email

Where to Use Agency Testimonials

• Homepage: Broad partnership testimonials from notable clients
• Services pages: Results testimonials specific to that service
• Case studies: Detailed transformation stories
• Proposals: Relevant testimonials matched to prospect's industry
• About page: Process and partnership testimonials

Generate Agency Testimonial Templates

Use our Testimonial Template Generator to create templates specific to your agency type, services, and client base. Get ready-to-send prompts in seconds.

This article is part of our complete guide to Testimonial Templates.