Your full service direct mail agency for top-of-funnel leads

As a full-service direct mail marketing agency, Gundir helps businesses reach the right audience, generate qualified leads, and scale customer acquisition through high-response print campaigns.

We’ll find your prospects and get them to open, read, respond and buy.

Talk to our team about building a direct response campaign that performs.

OUR EXPERTISE

Higher quality leads and increased profitability for B2C and B2B marketers

Gundir is a full-service direct mail marketing agency delivering results for both B2C and B2B brands. Our team specializes in address-based targeting, campaign testing, and response-driven creative that helps marketers scale acquisition with confidence.

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Why direct mail?

Direct mail delivers: Trusted by marketers, opened by customers

Marketers rely on direct mail because it’s measurable, targetable, and gets opened. Here’s why top brands trust this channel:

84%

Marketers who agree direct mail provides higher ROI

43%

Marketers using direct mail for acquisition

90%

Open rate for direct mail

1Billion+

Pieces of mail Gundir has sent in our 20+ year history

Why Direct Mail?

The channel that outperforms

The results are in. Direct mail consistently outperforms other channels in generating leads and sales. Check out just a few of the reasons why below.

More questions? Check out these direct mail FAQs

Who Uses Direct Mail Today?

  • Ecommerce brands use direct mail to reactivate customers and drive repeat sales.
  • Financial services use it to reach high-value prospects with personalized offers.
  • Healthcare providers send appointment reminders and onboarding kits.
  • B2B marketers use dimensional mail to break into hard-to-reach accounts.

Gundir supports direct mail advertising across all industries – with custom campaigns designed to meet your goals.

Contact Us

Send the mail your audience wants to open

Set yourself up for success; put our best-in-class experience to work.

Common Questions for Direct Mail Campaigns

How do you determine the right audience to target with direct mail?

Successful direct mail campaigns start with accurate data. We build audiences using verified address-based data tied to household demographics, financial indicators, purchase behavior, industry classification, job role, intent signals, and past engagement. These inputs allow us to model high performing segments and exclude low value audiences. Precise targeting reduces cost per piece and improves response, especially for large scale programs.

How should direct mail budgets scale when a campaign converts profitably?

Direct mail can scale faster than most channels because production efficiencies reduce your cost per piece as volume rises. Once your base test proves profitable, we typically scale in controlled increments (25%–50%) while adjusting list depth, creative variants, and cadence. Predictive modeling and matchback analytics ensure expansion doesn’t dilute ROI as reach widens.

What creative formats work best for direct response direct mail?

There is no universal “best format,” but certain formats consistently excel in different scenarios:
• Postcards for efficient top of funnel response
• Self mailers when more storytelling is needed
• Letters for financial, healthcare, insurance, and compliance-heavy industries
• Kits or dimensional packages for B2B decision-makers or ABM applications
We test creative formats the same way we test audiences – using multiple variants to identify which combinations drive response, conversion, and revenue.

How long should a direct mail campaign run before performance can be evaluated?

Direct mail requires a defined observation window. For consumer campaigns, we typically measure early indicators within 7–10 days and evaluate full conversions over 21–45 days. B2B timelines often extend longer, depending on the sales cycle. Our matchback and attribution models account for the lag between delivery, response, and revenue, giving you a complete ROI picture.

How do you measure attribution and ROI from direct mail?

We use a combination of:
• Matchback attribution using hashed PII
• Incrementality testing
• Unique phone numbers and landing pages
• Promo codes and redemption windows
• Multichannel lift analysis
Direct mail provides more measurable data than many marketers expect, especially when paired with digital tracking.