Sellry

What Sellry does

Sellry, operating substantially under the Gamma Waves brand, is a US-based branded e-commerce service provider headquartered in Fort Collins with 11-50 employees and a 12+ year operating history. The company operates as a specialized Shopify agency, delivering project-based professional services across strategy, design, development, AI enablement, and conversion rate optimization for enterprise ecommerce brands. Its core service portfolio comprises Shopify Plus builds, platform migrations, app integrations, performance optimization, and a dedicated "AI for E-Comm" offering that delivers custom AI implementations built around specific brand, vertical, and workflow requirements rather than off-the-shelf tools. The firm also operates an AI-assisted development pipeline internally to accelerate foundational build work and free senior engineers for higher-impact systems work.

The agency is anchored by a multi-year Shopify Plus partnership (since 2013) and a broad integration network spanning Shoplift, Yotpo, Gorgias, Recharge, Attentive, Klaviyo, Loop, and Nosto. Its customer base skews toward premium fashion, beauty, and lifestyle brands — including DÔEN, 12th Tribe, Monique Lhuillier, Inez, Brochu Walker, Jennifer Behr, Another Tomorrow, Carbon38, Bandier, Jouer, and Office of Angela Scott — alongside selective crossovers into health and wellness (Truwomen, Fullwell Fertility, Supergoop), entertainment (Meow Wolf), and consumer goods (Nestlé, Flight Club, Fekkai).

The business model is professional services on a custom-quote, project-based engagement structure with a sales-led go-to-market approach that emphasizes long-term strategic partnerships rather than transactional work. Distribution is direct: the firm generates demand through its website portfolio and case studies, LinkedIn presence, client testimonials, and referral-driven inbound. Reported client outcomes include a $1M cost saving for Boarderie via tech-stack re-architecture, a +37% conversion rate lift in 21 days via backend code optimization, a +33% month-over-month revenue lift through a gift-with-purchase campaign, 2x repurchase rates among logged-in shoppers, and a +17.9% AOV increase for logged-in shoppers. The company is privately held, founder-led by Michael Bower (Founder and CEO), with no disclosed institutional funding or ownership changes.

Name

Sellry

Legal name

Gamma Waves

Website

https://sellry.com

Company type

Private

Founded year

2013

Operating status

Operating

Headcount range

11–50 employees

Short description

Sellry (operating brand Gamma Waves) is a US-based Shopify Plus agency delivering ecommerce strategy, design, development, performance optimization, and custom AI solutions to enterprise brands in fashion, beauty, health, and consumer goods.

Ownership category

akta.pro rank

Product category

E-commerce Services

akta.pro primary industry

Promotions, Shopper & Retail Marketing (Sales Promotion, POS) (BPAFAAAO)

Keywords

• Shopify Plus development
• E-commerce platform migrations
• Custom AI solutions
• Conversion rate optimization
• Performance optimization services

Headquarters

HQ city

Fort Collins

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations

Revenue model

1. Professional Services: Project-based professional services including strategy, design, development, and AI implementation for ecommerce brands. Services range from go-to-market strategy and roadmap planning to site design, A/B testing, Shopify Plus builds, migrations, and performance optimization.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Sellry is a branded e-commerce service provider delivering end-to-end Shopify Plus builds, platform migrations, app integrations, performance optimization, conversion rate optimization (CRO), go-to-market strategy, and custom AI-driven solutions. Offerings are structured as named, separately purchasable service lines (e.g., Shopify Plus Development, Shopify Migrations, Custom AI Solutions) targeted at premium ecommerce brands.

Product overview

Gamma Waves is a Shopify agency offering a unified suite of e-commerce services built around the Shopify Plus platform. The core offering comprises Shopify Plus development builds, platform migrations, app integrations, and performance optimization services. These are complemented by site design with conversion rate optimization (A/B testing, heatmap analysis, data dashboarding) and strategic services (go-to-market strategy, roadmap planning, performance audits). Custom AI Solutions and AI for E-Comm services are integrated across the portfolio as enablement tools that accelerate development and enhance client operations. The agency works with enterprise fashion, beauty, and lifestyle brands and maintains partnerships with Shopify Plus, Klaviyo, Attentive, Gorgias, Recharge, Shoplift, Nosto, Loop, and Yotpo.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Saved Boarderie $1M by re-architecting their tech stack
• +4 more outcomes

Named customers15 records

Segments3 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration9 records

AI capability2 records

Feature4 records

Partnerships

One partnership is on record.

• Shopify PluscoreTechnology or Integration · 1 January 2013Primary platform partner since 2013. Gamma Waves has been building on Shopify Plus for over a decade, specializing in Shopify Plus builds, migrations, and implementations for enterprise clients.

Scale indicators6 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Pixel Union: Shopify-focused design and development agency serving DTC brands with themes, custom builds, and CRO work. Comparable in Shopify-centric service offering and SMB-to-mid-market customer base.
• We Make Websites: Long-standing UK-based Shopify Plus agency focused on enterprise migrations, replatforms, and performance work for premium DTC brands — directly comparable in service mix, Shopify Plus specialization, and customer profile.
• Yard: Shopify Plus agency specializing in enterprise commerce builds, migrations, and ongoing optimization. Directly comparable in platform focus and tier of brand customers served.
• Blue Stout: Shopify Plus partner agency offering development, design, and CRO for premium DTC brands. Closely overlaps the subject firm's premium-fashion customer base and Shopify Plus build/migration services.
• Sculpt (BVA): Shopify Plus-focused commerce agency within BVA Group, delivering enterprise builds and platform migrations. Directly comparable in Shopify Plus specialization and enterprise brand targeting.
• The Stable: Commerce agency focused on Shopify Plus and enterprise DTC brand builds, migrations, and ongoing optimization. Closely comparable in service stack and customer mix.
• Absolute Web: Shopify Plus partner agency providing ecommerce development, design, and digital marketing services. Comparable service portfolio and customer profile in the mid-to-enterprise DTC segment.

Broad incumbents

• Accenture Song: Global digital services arm of Accenture covering commerce, design, AI, and engineering at scale. Represents the large incumbent tier that enterprise brands may choose over a boutique Shopify Plus specialist.
• Shopify: Owner of the Shopify Plus platform that anchors the subject firm's entire service portfolio. Shopify is not a direct competitor, but its expanding AI features, partner program, and certified-agency ecosystem directly shape the firm's economics.
• Dept Agency: Large global digital agency offering end-to-end commerce, design, and engineering services including Shopify Plus work for enterprise brands. Broader portfolio but overlaps on the same enterprise ecommerce build/optimize work.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/3083546

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sellry