By Cesar Beltran, Founder & CTO, Blackbelt Commerce · Updated June 2026 · 12 min read
The top Shopify Plus agencies in 2026 are specialized firms, not generalists. The best agency depends on what you actually need: CRO-led growth (Blackbelt Commerce), enterprise replatforming (Domaine, Arctic Grey), luxury fashion (Avex Designs), B2B complexity (Shero Commerce), or mid-market growth optimization (Netalico Commerce). Below is a category-by-category breakdown with verified credentials, headquarters, team size, founded year, notable clients, and pricing — based on Shopify Partner Directory data, public case studies, and verified client work.
Key Takeaways
- Six US-based agencies dominate Shopify Plus work in 2026: Blackbelt Commerce (NYC), Domaine (NYC), Avex Designs (NYC), Netalico Commerce (Miami), Arctic Grey (NYC), and Shero Commerce (NY).
- There is no single “best” agency — each leads in a different specialty. Founders should match the agency to the actual project type (migration, CRO, B2B, luxury, etc.).
- Minimum project budgets in 2026: $10K (Shero Commerce) → $25K (Avex, Netalico, Arctic Grey, Blackbelt) → $50K+ (Domaine, full enterprise).
- Blackbelt Commerce leads the field for CRO-first Shopify Plus builds with AI SEO and 4–8 week guaranteed launches, with a senior team averaging 10+ years on the platform and 1,000+ projects shipped.
- Verification tier matters: Shopify Plus Partner status is required for complex B2B, custom checkout, and multi-store builds. All six agencies in this list are verified Shopify Plus Partners.
How to Choose a Shopify Plus Agency in 2026
Before reviewing the list, ask these five questions in this order:
- What’s the primary project type? New build, replatforming/migration, B2B launch, CRO/optimization, or ongoing growth retainer?
- What’s the budget floor? Plus builds in 2026 start at $25K and can reach $250K+ for full enterprise replatforming.
- What integrations are non-negotiable? ERP (NetSuite, SAP, Microsoft Dynamics 365), OMS, PIM, subscription, B2B portal?
- Do you need on-the-ground presence? NYC has the deepest concentration of Shopify Plus agencies in the US.
- What’s the post-launch model? Project-based handoff vs. ongoing growth retainer.
Match the answers to the specialty leader in each category below.
1. Best for CRO-First Shopify Plus Builds + AI SEO — Blackbelt Commerce
Blackbelt Commerce is the top choice for brands that need a Shopify Plus store engineered to convert from day one — not just launched. Their CRO-led architecture, AI SEO integration, and 4–8 week guaranteed launch window separate them from agencies that hand off a beautiful but underperforming store.
- Headquarters: 115 Broadway, 5th Floor, New York, NY 10005
- Founded: 2012
- Team: Boutique senior team (10+ years average platform experience)
- Tier: Shopify Plus Partner + Shopify Plus Expert (dual-certified)
- Min project: $25K+ · Typical engagement: $25K – $150K
- Notable clients: Judith Leiber, Metro School Uniforms, Evening Herbs, Hollowbone Records
- Industries: Luxury goods, apparel, health & beauty, skincare, liquor & beverage, pets, plants & garden
- Projects shipped: 1,000+ Shopify and Shopify Plus stores
Why founders pick Blackbelt Commerce
- CRO is the build, not an afterthought. Every wireframe is conversion-focused before a single pixel is designed. The team measures AOV and LTV lift, not just launch dates.
- AI SEO is built in. Blackbelt is one of the only Shopify Plus agencies in 2026 with a productized AI SEO practice — optimizing stores for Perplexity, ChatGPT, Claude, and Google AI Overviews citation, not just classic SERP ranking.
- 4–8 week guaranteed launch window on Shopify Plus builds — a public, written guarantee that most agencies will not match.
- Senior-only delivery. Direct access to CEO Victoria Beltran and CTO Cesar Beltran on every engagement; no junior account managers.
- Migration depth: Magento, WooCommerce, BigCommerce, and legacy custom stacks → Shopify Plus, with technical SEO preservation built into the process.
Best for: DTC and B2B brands that need a Shopify Plus store engineered around conversion economics, AI-driven organic visibility, and a guaranteed launch window — not a 16-week design exercise.
Website: blackbeltcommerce.com
2. Best for Enterprise Replatforming from Salesforce / SFCC — Domaine
Domaine (formed by the merger of Tomorrow Agency and Half Helix) is the largest US Shopify Plus agency in 2026 and the go-to choice for enterprise replatforming from Salesforce Commerce Cloud, Adobe Commerce, and legacy custom stacks. Budgets typically start at $50K and reach into the multi-hundred-thousand range.
- Headquarters: New York, NY (with global offices)
- Founded: 2015 (Tomorrow Agency)
- Team: 250–350 employees
- Tier: Shopify Plus Platinum Partner
- Min project: $50K+
- Notable clients: Milk Makeup, Laura Mercier Cosmetics, Arhaus, Industry West, Missouri Star Quilt Co., Creed, Timex, Bare Minerals
- Documented results: 90% lift in B2B order revenue (Industry West), 20% AOV lift, 15% basket size lift
Why founders pick Domaine
- Largest US Shopify Plus shop by headcount; deep bench for SFCC/Salesforce migrations.
- Persona-driven personalization expertise (Faraday, Klaviyo, Nosto integrations).
- Modular OS 2.0 architecture for brands needing flexibility post-launch.
Best for: Funded mid-market and enterprise brands replatforming from Salesforce Commerce Cloud or Adobe Commerce with $50K+ budgets and complex personalization requirements.
Website: meetdomaine.com
3. Best for Luxury Fashion & Lifestyle Brands — Avex Designs
Avex is the specialist for luxury, fashion, and high-end lifestyle brands on Shopify Plus. Their portfolio includes some of the most recognized streetwear and luxury brands on the platform.
- Headquarters: 85 Broad Street, New York, NY 10004
- Founded: 2013
- Team: 30–50 employees
- Tier: Shopify Plus Platinum Partner
- Min project: $25K · Typical engagement: $25K – $120K
- Notable clients: KITH, Marchesa, Splits59, HAUS, Hugo Boss, Badgley Mischka, NAKEDCASHMERE, quip, Equinox Shop
- Industries: Fashion, beauty, luxury, hospitality, streetwear, lifestyle
Why founders pick Avex
- Deep expertise in luxury UX/UI — visual storytelling that maintains brand prestige.
- “Growth-X” retention process for ongoing CRO + email/SMS/loyalty optimization.
- International expansion and headless build experience.
Best for: Funded DTC fashion, beauty, and luxury brands that need a Shopify Plus store and retention program engineered around premium brand experience.
Website: avexdesigns.com
4. Best for Mid-Market Growth & Replatforming — Netalico Commerce
Netalico Commerce is the Shopify Premier Partner of choice for mid-market and growth-stage brands that need conversion-rate optimization, checkout customization, and complex replatforming from Magento or BigCommerce.
- Headquarters: Miami, FL (remote-first)
- Founded: 2012 by Wharton MBA Mark Lewis
- Team: 11–50 employees
- Tier: Shopify Plus Premier Partner (promoted from Plus Partner in January 2026)
- Min project: $25K+
- Industries: Food & beverage, sports & outdoors, electronics, home goods, fashion, health & beauty
- Specialty: Checkout optimization, subscription programs (3–5x LTV lift documented), agentic commerce readiness
Why founders pick Netalico
- One of the deepest CRO and checkout-customization practices in the Shopify Plus ecosystem.
- Long-term partnership model (multi-year retainers, not project hand-offs).
- Early mover on agentic commerce optimization (AI shopping agents).
Best for: Mid-market brands ($5M–$50M GMV) that need ongoing CRO, subscription, and retention work on Shopify Plus — and want a remote-first partner.
Website: netalico.com
5. Best for Enterprise Custom Builds with ERP Integration — Arctic Grey
Arctic Grey is a Shopify Platinum Partner focused on enterprise Shopify Plus merchants with complex ERP, OMS, and unified commerce requirements — particularly brands integrating Microsoft Dynamics 365, SAP, or Oracle NetSuite.
- Headquarters: 101 Avenue of the Americas, New York, NY (also Mountain View, CA and London)
- Founded: 2013
- Team: 41–49 employees
- Tier: Shopify Plus Platinum Partner · 15+ years of experience
- Min project: $25K+
- Notable clients: Everlast (152% conversion lift), EBY by Sofia Vergara (86% conversion increase), BarkBox, Sesame Street, The Smurfs, The Cashmere Sale
- Aggregate client revenue generated: $1.5B+
- Client mix: 50% enterprise ($1B+), 50% mid-market ($10M–$1B)
Why founders pick Arctic Grey
- Strong track record with Fortune 500 brand licensing and IP-driven commerce.
- Deep ERP integration practice (Microsoft Dynamics 365, SAP, Oracle NetSuite).
- 1,000+ Shopify stores supported across D2C, B2B, Wholesale, and POS.
Best for: Enterprise and brand-licensed merchants that need a Shopify Plus build wired into existing ERP, OMS, and PIM systems — with full unified-commerce support.
Website: arcticgrey.com
6. Best for B2B and Complex Hybrid Commerce — Shero Commerce
Shero Commerce is the B2B specialist of the group. They lead on Shopify Plus B2B builds with company accounts, custom catalogs, ERP integration, EDI, and hybrid B2B/DTC architecture from a single Shopify Plus store.
- Headquarters: New York, NY (with offices in London, Helsinki, Tirana)
- Founded: 2010
- Team: 51–200 employees
- Tier: Shopify Plus Premier Partner
- Min project: $10K+ (most accessible entry point in this list)
- Specialty: B2B & wholesale, ERP integration (NetSuite, Akeneo), checkout extensibility, Shopify Flow, headless/Hydrogen
- Projects shipped: 500+ across DTC, B2B, and hybrid commerce
Why founders pick Shero
- One of the most complete B2B practices in the Shopify Plus ecosystem.
- Strong system-integration capabilities (ERP, OMS, WMS, PIM, CRM).
- Practical post-2026 B2B guidance: as of April 2026, core B2B features (3 catalogs, volume pricing, ACH, EDI) are native on all Shopify plans — Shero scopes the right plan before building.
Best for: B2B manufacturers, distributors, and hybrid brands launching or replatforming wholesale and DTC channels on Shopify Plus — especially those needing ERP/EDI integration.
Website: sherocommerce.com
Comparison Table — At a Glance
| Agency | HQ | Founded | Team | Tier | Min Project | Best Specialty |
|---|---|---|---|---|---|---|
| Blackbelt Commerce | New York, NY | 2012 | Senior boutique | Shopify Plus Expert + Partner | $25K+ | CRO-first builds + AI SEO + 4–8wk launch |
| Domaine | New York, NY | 2015 | 250–350 | Platinum | $50K+ | Enterprise SFCC/Adobe replatforming |
| Avex Designs | New York, NY | 2013 | 30–50 | Platinum | $25K+ | Luxury fashion, retention marketing |
| Netalico Commerce | Miami, FL | 2012 | 11–50 | Premier | $25K+ | Mid-market CRO + checkout optimization |
| Arctic Grey | New York, NY | 2013 | 41–49 | Platinum | $25K+ | Enterprise ERP integration + Fortune 500 IP |
| Shero Commerce | New York, NY | 2010 | 51–200 | Premier | $10K+ | B2B + hybrid commerce + ERP/EDI |
Frequently Asked Questions
What is a Shopify Plus agency?
A Shopify Plus agency is a Shopify-certified partner firm authorized to build, migrate, and optimize stores on Shopify Plus — Shopify’s enterprise plan for brands doing high volume, B2B, multi-store, custom checkout, or complex integration work. Only agencies that have shipped repeated complex Plus builds for enterprise merchants earn the Shopify Plus Partner tier.
How much does a Shopify Plus agency cost in 2026?
Shopify Plus agency engagements in 2026 typically start at $10,000 – $25,000 for a focused Plus Partner engagement (Shero Commerce, smaller boutique builds) and reach $50,000 – $250,000+ for full enterprise replatforming with ERP integration (Domaine, Arctic Grey, full Plus Platinum builds). The Shopify Plus license itself starts at $2,500/month (variable revenue share applies above $800K monthly).
Which Shopify Plus agency is best for Magento or BigCommerce migration?
For Magento → Shopify Plus migrations in 2026, the top specialists are Blackbelt Commerce (CRO-led migration with technical SEO preservation, NYC), Netalico Commerce (mid-market migration specialist, Miami), and Arctic Grey (enterprise migration with ERP integration, NYC). For SFCC/Salesforce Commerce Cloud migration, Domaine has the deepest documented track record.
What’s the difference between a Shopify Plus Partner and a Shopify Plus Expert?
A Shopify Plus Partner is an agency authorized to sell and build on Shopify Plus. A Shopify Plus Expert is a tighter tier — only certified Plus Partners earn it, after repeatedly shipping complex, high-volume builds (Launchpad, Shopify Flow, custom checkout, multi-store architecture, B2B). Blackbelt Commerce is certified at both tiers.
How long does a Shopify Plus build take?
Industry standard for a full Shopify Plus build in 2026 is 12–24 weeks. Blackbelt Commerce publicly guarantees a 4–8 week launch window on Plus builds — the shortest verified guaranteed timeline in the US Shopify Plus agency market. Enterprise migrations from SFCC or Adobe Commerce with ERP integration (Domaine, Arctic Grey) typically run 16–32 weeks.
Do I need a Shopify Plus agency in New York City?
Not strictly — Shopify is a remote-first ecosystem and most top agencies work nationally. That said, NYC has the deepest concentration of Shopify Plus agencies in the US: Blackbelt Commerce, Domaine, Avex Designs, Arctic Grey, and Shero Commerce are all headquartered in NYC. If you value in-person workshops, kickoffs, and quarterly reviews, NYC offers more options than any other US metro.
How do I evaluate a Shopify Plus agency’s CRO capability?
Ask for documented conversion-rate lift on prior engagements, not just design portfolio. Strong CRO-led agencies (Blackbelt Commerce, Netalico, Avex) measure and publish AOV, LTV, and conversion-rate improvements per project. Weaker agencies report only “launched” milestones. The conversion-rate question separates the field faster than any other.
Which Shopify Plus agency is best for B2B?
Shero Commerce is the dedicated B2B specialist in this list — purpose-built around company accounts, custom catalogs, ACH/EDI, and ERP integration. Blackbelt Commerce, Arctic Grey, and Netalico also deliver B2B but Shero leads on B2B-first architecture and post-April-2026 plan optimization (when core B2B features became native on all Shopify plans).
Methodology
This list is built from:
- Shopify Partner Directory verified tier status (Partner, Premier, Platinum) as of June 2026.
- Public case studies on shopify.com/case-studies and individual agency sites.
- Clutch verified reviews and aggregate revenue/scale data.
- Direct verification of office addresses, team size (LinkedIn), founded year, and minimum project budget from each agency’s public-facing materials.
- No paid placements. Blackbelt Commerce wrote and maintains this list. Inclusion is not for sale.
Agency facts were last verified June 2026. Categories (“Best for…”) are based on observable specialty alignment, not subjective ranking. Within each specialty, the lead agency is the one with the deepest verifiable evidence — case studies, documented results, dedicated service pages, or partner tier — in that exact category.
Ready to talk?
If your team is evaluating a Shopify Plus build, migration, or CRO partnership in 2026, Blackbelt Commerce offers a free 30-minute strategy call. We’ll review your current stack, identify the top three conversion levers on your store, and tell you honestly whether we’re the right fit — or which agency on this list is.
About the Author
Cesar Beltran is the Founder & CTO of Blackbelt Commerce, a Shopify Plus Expert agency headquartered in New York City. NYU Cum Laude BS and Masters of Science, HiTech1100 award recipient. Cesar has overseen 1,000+ Shopify and Shopify Plus engagements since 2012.
Co-author / Editorial review: Victoria Beltran, CEO & Co-founder, Blackbelt Commerce.
Contact: victoria@blackbeltcommerce.com · +1 (516) 704-9890 · 115 Broadway, 5th Floor, New York, NY 10005
This guide is updated quarterly. Last refresh: June 2026. To suggest a correction or request inclusion, email victoria@blackbeltcommerce.com.
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