18% of transactional AI citations come from editorial roundups, which means the affiliate agency you pick today has a direct impact on whether your brand shows up in AI answers tomorrow.
Affiliate marketing services can drive more than just short-term revenue. The right agency can help you build valuable partnerships, reach new audiences, and create a program that grows over time.
In this guide, we’ll compare the best affiliate marketing agencies based on their strengths, ideal use cases, industries served, pricing models, and notable clients.
The agencies on this list specialize in different areas, from managing large-scale affiliate programs to building partnerships that support SEO and AI visibility. We’ll break down each agency’s strengths, pricing, and ideal use case to help you choose the right partner.
- Siege Media – Best for Affiliate Partnerships + Full-Service GEO
- Acceleration Partners – Best for Enterprise and Mid-Market Brands
- Gen3 Marketing – Best for Established Brands
- Partnerize – Best for Tech Platform + Managed Services
- DMi Partners – Best for Incremental Affiliate Growth
- Hamster Garage – Best for DTC Brands
- Perform[cb] – Best for Fraud Protection
- Affiverse – Best for Strategic Consulting
- JEBCommerce – Best for E-commerce Brands
- PartnerCentric – Best for Lifestyle Brands
- All-Inclusive Marketing – Best for B2B Software Brands
1. Siege Media
- Best for: Affiliate partnerships + full-service GEO
- Headquartered in: San Diego, Austin, Chicago, and New York City
- Industries: SaaS, fintech, e-commerce, cybersecurity, education, travel
- Strengths: Affiliate and LLM visibility measured in one program, 5,000+ publisher relationships, proprietary share of voice reporting, no commission cuts and no per-placement fees
- Pricing: Engagements start at $7,500 to $15,000/month
- Recognizable clients: Zapier, Zendesk, Mentimeter
Siege Media takes a different approach to affiliate programs than most agencies. Instead of only tracking commissions, Siege looks at the impact those partnerships create after publication. This includes tracking branded search growth, LLM visibility, and stronger organic authority from trusted publishers and creators.
This approach is possible because Siege combines affiliate, SEO, GEO, and digital PR expertise under one roof. With $148M+ in client value generated over 13 years, Siege brings a proven publisher network to every affiliate program it builds. The result is a program that drives revenue now while strengthening your brand’s visibility for the future.
See how Siege builds affiliate programs that compound.
2. Acceleration Partners
- Best for: Enterprise and mid-market brands that want a strategically managed affiliate program
- Headquartered in: Boston, MA (global offices)
- Industries: E-commerce, travel, technology, subscription, retail
- Strengths: Rigorous partner vetting, global program management, data-driven performance optimization
- Pricing: Custom (retainer-based)
- Recognizable clients: Adidas, LinkedIn, Hotwire, Noom
Acceleration Partners has been setting the bar for affiliate program management since 2007. The team takes a strategy-first approach, carefully vetting every partner to make sure they’re actually driving new revenue for your business.
They operate across multiple regions with a global team, and their reporting makes it easy to see exactly where affiliate spend is performing. Brands that work with AP consistently describe the experience as transformative for their affiliate channel.
3. Gen3 Marketing
- Best for: Established brands that want experienced management backed by deep publisher relationships
- Headquartered in: Blue Bell, PA
- Industries: Retail, travel, technology, loyalty programs
- Strengths: 20-plus years of publisher relationships, diversified partner recruitment, full-service program management
- Pricing: Custom
- Recognizable clients: Lenovo, Under Armour, Keurig, Priceline
Gen3 Marketing has been in the affiliate space for over two decades, and those years show in the relationships they’ve built. The agency has genuine connections with publishers, content creators, and affiliate networks that newer agencies simply cannot replicate.
They manage everything from program launch to ongoing optimization, including recruitment, creative development, and compliance. If your brand needs established reach from day one, Gen3 brings the kind of network that takes years to develop.
4. Partnerize
- Best for: Enterprise brands that want a technology platform and managed services together
- Headquartered in: London, UK (global offices)
- Industries: Travel, retail, fashion, subscription
- Strengths: Unified tracking and payments platform, dynamic commissioning, enterprise-grade fraud protection
- Pricing: Custom (platform fees plus optional managed services)
- Recognizable clients: Skyscanner, Stitch Fix, Ancestry, Puma
Partnerize sits at the intersection of technology and managed services. Their platform handles tracking, attribution, payment automation, and fraud protection all in one place. Brands that want more hands-on support can also tap into their managed services team.
One of their standout features is dynamic commissioning, which lets you pay partners based on actual business outcomes rather than last-click conversions.
5. DMi Partners
- Best for: Mid-market to enterprise brands focused on incremental, data-driven affiliate growth
- Headquartered in: Philadelphia, PA
- Industries: Retail, financial services, DTC, e-commerce
- Strengths: Incrementality testing, deep analytics, program audits, consultative account management
- Pricing: Custom
- Recognizable clients: Vistaprint, SoFi, Purple, Zulily
DMi Partners takes a consultative approach that feels more like working with an in-house team than an outside agency. They dig into your data, study your customer journey, and build a strategy that fits how your business actually works.
A big differentiator is their focus on incrementality. The agency actively measures which partners are driving new revenue versus those simply claiming credit for sales that would have happened anyway.
6. Hamster Garage
- Best for: DTC and high-growth brands that want creative, full-funnel partnership programs
- Headquartered in: Remote (US-based)
- Services: DTC, e-commerce, consumer tech
- Industries: Creative partnership structures, non-traditional affiliate recruitment, influencer and brand collabs
- Pricing: Custom
- Recognizable clients: Airbnb, Canva, Uber, Turo
Hamster Garage brought a fresh perspective to affiliate marketing when they launched in 2018. The team builds full-performance partnership ecosystems that go well beyond traditional coupon affiliates, pulling in content creators, influencers, and brand-to-brand collaborations.
They think like growth marketers, which means commission structures get redesigned and non-obvious opportunities get surfaced. DTC and e-commerce brands consistently praise the creative energy they bring to programs.
7. Perform[cb]
![Perform[cb] website.](https://www.siegemedia.com/wp-content/uploads/2026/08/best-affiliate-marketing-agencies_7_performcb.jpg)
- Best for: Brands that need scalable, outcome-based affiliate campaigns with robust fraud protection
- Headquartered in: Sarasota, FL
- Industries: Software, financial services, health, subscription
- Strengths: Proprietary fraud detection technology, massive vetted publisher network, CPA-based pricing model
- Pricing: Performance-based (CPA)
- Recognizable clients: McAfee, TurboTax, HelloFresh, Norton
Perform[cb], formerly known as Clickbooth, has been in the performance marketing space since 2002. The team built their own technology stack for tracking, fraud detection, and campaign optimization, which gives them a real edge when running programs at scale.
Their model is fully outcome-based, meaning you pay for actual results. For brands that need strong volume and serious fraud protection, this agency has the infrastructure to deliver.
8. Affiverse
- Best for: Brands that want strategic consulting and want to upskill their in-house affiliate team
- Headquartered in: London, UK
- Industries: iGaming, SaaS, fintech, e-commerce
- Strengths: Strategy and program audits, team training, deep expertise in regulated and subscription-based verticals
- Pricing: Custom (consulting engagements)
- Recognizable clients: Programs across iGaming, SaaS, and fintech (specific clients vary by engagement)
Affiverse takes a different angle than most agencies on this list. Led by Lee-Ann Johnstone, one of the most recognized names in affiliate marketing, the agency blends strategic consulting with hands-on training.
They help brands build real internal capability, so your team understands how to run a strong program for the long haul. Their expertise runs especially deep in iGaming, SaaS, and fintech.
9. JEBCommerce
- Best for: E-commerce brands that want content-driven affiliate growth focused on incremental revenue
- Headquartered in: Post Falls, ID
- Industries: E-commerce, retail, consumer goods
- Strengths: Content partner network, incremental sales methodology, hands-on affiliate management
- Pricing: Custom
- Recognizable clients: Various e-commerce retailers (client list available upon inquiry)
JEBCommerce has earned a reputation as the go-to affiliate agency for e-commerce brands. Founded by industry veteran Jamie Birch and now led by Jake Fuller, the agency focuses on content-driven partnerships and incremental sales.
They are selective about the partners they bring into a program, prioritizing quality over volume. E-commerce brands consistently refer to JEBCommerce when asked who they trust most in the space.
10. PartnerCentric
- Best for: Lifestyle brands and large-scale programs that need experienced, detail-oriented management
- Headquartered in: United States (distributed team)
- Industries: Lifestyle, beauty, fashion, retail
- Strengths: Deep affiliate database, landing page optimization, partner communication, and outreach
- Pricing: Custom
- Recognizable clients: Various lifestyle and consumer brands (available upon inquiry)
PartnerCentric has been managing affiliate programs for over 15 years and has developed a strong foothold in the lifestyle brands space. The team pays close attention to program details that many agencies overlook, including landing page optimization and partner newsletter outreach.
They have a well-developed database of affiliates across relevant niches and can get up to speed quickly with new clients. For large brands in lifestyle categories, PartnerCentric is a reliable and experienced choice.
11. All Inclusive Marketing (AIM)
- Best for: SaaS and B2B software brands building or scaling affiliate programs
- Headquartered in: United States
- Industries: SaaS, B2B software, business services
- Strengths: PartnerStack expertise, B2B publisher network, custom goal-based program structures
- Pricing: Custom
- Recognizable clients: NetSuite, Asana, BigCommerce
All Inclusive Marketing, widely known as AIM, has built a strong niche in SaaS and software affiliate management. They work with a wide range of business software brands and build custom programs around specific goals, whether that’s free-trial signups, leads, or white-paper downloads.
The agency is recognized as one of the top agencies on PartnerStack, and its network of comparison sites, bloggers, and influencers is well established in the B2B space.
How To Choose the Right Affiliate Marketing Agency
Affiliate agencies often make these same promises: strong publisher networks, performance-based pricing, and proven results. When every pitch sounds similar, differentiating between them can be difficult.
The agencies that drive long-term growth are the ones that strengthen your brand authority and create lasting value. To find the right fit, focus on these factors that reveal how an agency actually approaches partnerships:
- Know what you’re paying for. Some agencies charge a flat retainer. Others take a cut of commissions. Make sure the fee structure aligns with your goals and doesn’t create the wrong incentives.
- Ask how they recruit partners. The best agencies are selective. If the answer is “we have a large network,” dig deeper. You want to know how they vet partners and what criteria they use.
- Look for incrementality thinking. A good agency should be able to tell you which partners are driving new revenue. If they can’t separate incremental sales from sales that would have happened anyway, you’re likely overpaying.
- Check their reporting. You should always know what’s working. Ask to see a sample report before you commit. Vague dashboards are a red flag.
- Match the agency to your business model. E-commerce brands have different needs than SaaS companies. Look for an agency with real experience in your vertical.
- Think beyond commissions. The most forward-thinking programs now track branded search lift and LLM visibility alongside revenue. If an agency only talks about clicks and conversions, you may be leaving long-term value on the table.
- Ask who owns the relationships. Some agencies keep partner relationships in-house when you leave. Make sure you own your partner data, your contracts, and your program history.
Build an Affiliate Program That Delivers More
The best affiliate marketing company will do more than drive commissions. They help brands build partnerships that create lasting value. As you compare affiliate marketing agencies, look for a partner whose approach aligns with your growth goals. If you are already investing in SEO or content and want an affiliate to work with those efforts, let’s have a conversation.
Ready to build an affiliate program that drives revenue and long-term visibility? Explore Siege Media’s Affiliate Partnerships services and get started today.
