Shopify Development Services - Umesh Mangtani

What Shopify Development Services - Umesh Mangtani does

Shopify Development Services, operating under legal entity Numerique LLC and led by founder Umesh Mangtani, is a privately held, bootstrapped Shopify-focused development agency headquartered in Los Angeles, California with India-based delivery execution. The firm offers a vertically integrated suite of services: custom Shopify store design, bespoke Liquid theme development built from scratch, migrations from WooCommerce, Magento, Wix, WordPress, BigCommerce, and Squarespace, Shopify-specific SEO, speed optimization targeting sub-2-second load times, international multi-currency and multi-language configuration, ongoing maintenance retainers, and AI chatbot integration for client stores. Underlying technology is centered on the Shopify and Shopify Plus platform — including Liquid theme code, Shopify API integrations, Shopify Functions for conditional payment-method control at checkout, and third-party AI chatbot tooling layered onto client storefronts.

The business model is professional services delivered through three engagement structures: dedicated full-time developer teams billed monthly, fixed-price milestone contracts for defined project scopes, and hourly rolling engagements starting at $5/hour for cost-sensitive markets. Go-to-market is sales-led, anchored by a Free Shopify Store Audit lead magnet that funnels prospects into discovery calls booked via Google Calendar, with direct outreach via WhatsApp and email. Customer segments span startups launching their first Shopify store, scaling DTC brands, agencies seeking white-label Shopify development, and cost-sensitive SMBs globally; the firm also claims enterprise case studies across fashion, retail, and food & beverage though such logos are difficult to reconcile with the current team size. Marketing relies on content (blog), SEO, Google Ads, organic social, Clutch referrals (5,000+ claimed reviews), and DesignRush marketplace presence.

Name

Shopify Development Services - Umesh Mangtani

Legal name

Numerique LLC

Website

https://shopifydevelopment.services

Company type

Private

Founded year

2025

Operating status

Operating

Headcount range

1–10 employees

Short description

Shopify Development Services (Numerique LLC) is a bootstrapped, small-team Shopify development agency led by Umesh Mangtani, offering custom Liquid theme builds, migrations, SEO, speed optimization, and white-label development to startups, DTC brands, agencies, and SMBs worldwide.

Ownership category

akta.pro rank

Product category

Ecommerce Development Services

akta.pro primary industry

Shopper/Commerce Creative Agencies (Retail & Marketplace Creative) (MPAAAAAH)

akta.pro secondary industry

Retail Media, Shopper Marketing & In-Store Activation Services (CRAOAOAD)

Keywords

• Shopify development services
• Ecommerce store design
• Shopify theme development
• Ecommerce platform migration
• Shopify SEO optimization

Headquarters

HQ city

Los Angeles

HQ country

United States

HQ region

North America

Offices2 records

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): One-time project engagements including Shopify store design, custom theme development, migrations, SEO, speed optimization, and international setup. Revenue is generated through fixed-price contracts with milestone-based payments. Engagement models include dedicated full-time developer teams, fixed-price project contracts, and hourly rolling arrangements with monthly billing.
2. Freelance Development Services: Direct freelance Shopify development engagements offered by Umesh Mangtani, starting at $5/hour for cost-sensitive markets. Includes custom theme development, store redesign, and ongoing support.
3. Ongoing Maintenance & Support: Recurring retainer engagements for daily monitoring, weekly optimization, monthly audits, theme and app updates, bug fixes, security management, and performance tuning. Delivered as a long-term Shopify partner relationship.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels7 records

Core offering

Shopify Development Services is a Shopify-exclusive development agency that designs, builds, migrates, optimizes, and maintains Shopify and Shopify Plus stores for businesses worldwide. Its deliverable is end-to-end ecommerce engineering — custom Liquid themes, platform migrations, performance tuning, SEO, internationalization, and ongoing support — sold as professional services.

Product overview

Shopify Development Services is a Shopify-focused development agency offering a comprehensive suite of ecommerce services. The core offerings include custom Shopify store design (mobile-first, conversion-optimized), Shopify migration services (from WooCommerce, Magento, Wix, and other platforms), custom theme development (built from scratch with clean code), Shopify SEO services, speed optimization (targeting sub-2-second load times), ongoing maintenance and support, and international setup for multi-country selling. These services work together as an integrated approach: the agency designs and builds new stores or migrates existing ones to Shopify, then optimizes them for performance and search visibility, and provides ongoing maintenance support. The agency is led by Umesh Mangtani as a freelance Shopify developer.

Differentiator

Problem solved

Functional benefit

Products and services

• Shopify Store Design Custom Shopify store design service with a mobile-first approach, conversion-optimized UI/UX, Shopify Plus and advanced checkout customization, secure migrations, third-party and custom app integrations, and speed optimization, aimed at businesses launching or redesigning their Shopify storefront.
• Shopify Migration Services Migration service that transfers stores from WooCommerce, Magento, Wix, WordPress, BigCommerce, and Squarespace to Shopify with complete data integrity, SEO protection, and performance optimization, for businesses moving ecommerce platforms.
• Custom Shopify Theme Development Bespoke Shopify theme development built from scratch with clean, lightweight Liquid code optimized for fast load times and Core Web Vitals, with fully customizable layouts and mobile-first cross-device compatibility, for brands needing differentiated Shopify storefronts.
• Shopify SEO Services Data-driven SEO optimization service that addresses Shopify's architectural limitations (duplicate content, collection optimization, URL structure, internal linking, schema markup, crawl/indexing fixes) to help Shopify stores rank higher, attract qualified traffic, and generate consistent organic sales.
• Shopify Speed Optimization Performance optimization service focused on achieving sub-2-second load times by removing bloated code, compressing media, reducing unnecessary apps, and optimizing Core Web Vitals (LCP, CLS, TBT) for existing Shopify stores.
• International Shopify Setup Multi-country Shopify configuration service enabling global selling with localized currencies, languages, taxes, shipping rules, region-specific checkout experiences, international domain/subfolder structures, and hreflang implementation, for brands expanding internationally.
• Ongoing Shopify Maintenance Proactive recurring maintenance and support service including theme and app updates, bug fixes, performance monitoring, security management, and backups to keep Shopify stores running smoothly as a long-term retainer engagement.

Quantifiable outcome

• Custom themes deliver 40–60% faster load speed compared to pre-built templates
• +8 more outcomes

Named customers26 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability4 records

Feature7 records

Partnerships

Two partnerships are on record, tiered core and minor.

• ShopifycoreTechnology or IntegrationShopify Development Services operates as a Shopify Partner, building stores on the Shopify platform. The firm specializes in Shopify and Shopify Plus development, custom theme development using Liquid, Shopify Functions, and API integrations. Shopify is the core platform for all client deliverables.
• DesignRushminorGTM or Marketing PartnerListed among Top California Shopify Developers on DesignRush's B2B agency marketplace. DesignRush drives referral traffic and leads through its directory and content platform.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• OuterBox: US-based digital agency specializing in Shopify and Shopify Plus design, development, and digital marketing for DTC and B2B brands. Highly comparable in service mix (design, development, SEO, migration) and Shopify-exclusive positioning.
• BlueSwitch: Shopify Plus agency offering custom theme development, migration, and digital marketing services. Direct competitor in the Shopify-experienced agency segment with similar enterprise DTC focus.
• Icebreaker (acquired by Skai): Shopify Plus-focused agency providing strategy, design, development, and growth services to DTC brands. Now part of Skai but historically a tightly comparable Shopify-specialist boutique.
• Pact & Partners: Small US-based Shopify Plus agency offering similar end-to-end services (design, development, migration, growth) for DTC brands. Comparable boutique positioning and Shopify-exclusive focus.
• Absolute Web: Florida-based ecommerce agency with strong Shopify Plus practice covering design, development, SEO, and ongoing support. Comparable service portfolio and mid-market/enterprise client base.

Emerging players

• Starter Labs: Shopify-focused development shop serving startups and DTC brands with custom theme and headless commerce builds. Closely aligned service offering but smaller-scale and more startup-focused.
• Yotpo (Partner Agency Network): While primarily a SaaS vendor, Yotpo operates an agency partner ecosystem that delivers Shopify implementations and retention marketing. Relevant as a competitor channel for Shopify Plus project work.

Broad incumbents

• Jellyfish: Global digital marketing agency with ecommerce and Shopify implementation capabilities as part of a much wider performance marketing portfolio. Indirect competitor for enterprise Shopify Plus engagements.
• GroupM Nexus: WPP-owned commerce media and digital shelf practice serving large brands on Shopify, Amazon, and other platforms. Operates in adjacent commerce-services space with significantly broader portfolio and scale.

Regional players

• Webinterpret: International ecommerce cross-border solutions provider with Shopify expertise, primarily serving European merchants. Comparable in international/multi-currency Shopify setup capability but geographically distinct.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

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 Shopify Development Services - Umesh Mangtani