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Free 30-day trial. No credit card required. Cancel anytime.Instant visibility
See unauthorized sellers across marketplaces in minutes.Flexible enforcement
Add enforcement credits only when you need help.
Why Brands Keep Losing to Unauthorized Sellers
No clear focus
One-off enforcement
Manual, reactive work
How Sigil Removes Unauthorized Sellers for You
01
We scan every marketplace automatically.
02
We identify your highest-risk sellers.
03
You approve enforcement with one click.
04
We run the enforcement process for you.
05
You track results in your dashboard.
Sigil blends automation with legal expertise so you stay hands-off. You approve seller enforcements. We do everything else.
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What Sigil Does Behind the Scenes
01. Polite Outreach to Sellers
Friendly notices that resolve many cases without escalation.
02. Targeted Investigations
We gather evidence, ask probing questions, and confirm material differences to support your claims.
03. Trademark Complaints
We submit structured, high-quality complaints using material-difference arguments that marketplaces recognize.
04. Complaint Escalation
Our team escalates cases internally when needed to ensure reliable takedowns.
05. Cease-and-Desist
Formal C&D letters for persistent offenders to lock down compliance.
Real Results
3,052
Total Sellers Removed
13.4%
Avg. Price Stabilization Achieved
55,000+
Number of Offers Protected
How a Premium Pet Food Brand Stabilized Pricing & Grew Revenue on Amazon by $45,000 monthly
Read case study →
From 27% to 100%: How a Premium Tool Brand Reclaimed the Amazon Buy Box
Read case study →
Combating Unauthorized 3P Sellers: Tru Earth’s Approach to Add $50,000 Monthly in Amazon Sales
Read case study →Why not see for yourself?
Try For FreeReal Brands, Real Results—Across Every Industry
“Working with Sigil is a pleasure—courteous, detailed, and genuinely focused on helping customers. They prioritize meaningful solutions over unnecessary services and continuously improve their offerings. The teamwork and commitment to making a real difference are truly appreciated.”
Candice Nicole
Founder & President of HUmineral
“Sigil was the perfect addition… a unique solution and easy to use tool for a frustrating problem.”
Alex Maske
Director of Weleda NA
“I cannot recommend Sigil enough to anyone seeking a reliable and effective solution to eliminate unwanted sellers on Amazon. Thanks to their invaluable assistance, we can focus on what we do best, confident that our brand is protected.”
John Cramer, CEO
CEO of Raw Elements
“Sigil is super quick and affordable. We’ve already seen major improvement in our eCommerce sales, especially on Amazon, within our first 2 weeks! We also love the ease of the platform and how user friendly it is.”
Ginny Hampton
Performance Marketing Manager of Tru Earth
“Sigil is amazing! They are truly a customer-focused company and have saved me thousands of dollars a month”
Joseph Blanch
CEO of GöBe Kids