Klaus Vennik LLC
Service partner
4.3
(6)
Partner since May 2020
Price range for selected services
$150-$5000
Contact information
Primary location
chiguayante, Chile
Supported locations
Chile, United States, Mexico, Spain
Languages
English, Spanish
About
Business description
Shopify Partner since 2016 and Meta Certified Media Buying Professional. I build custom apps, integrations and automations for Shopify merchants: migrations, theme customization, payments and ad tracking. Direct, bilingual (EN/ES) work with a senior developer.
Select Partner
Partners are tiered based on multiple factors, including their history of experience and proven success on Shopify.
Specialized services
Price: $800-3000
Description: Full migration from WooCommerce, Wix, Jumpseller or any platform to Shopify: products with variants and images, customers, order history, blog, pages and 301 redirects so you keep your SEO. Payments, shipping and taxes configured for your country. Fixed quote after reviewing your current store, with a go-live checklist and post-launch support.
Price: $150-1500
Description: Custom sections and blocks you can edit from the theme editor, header and footer changes, product page layouts, announcement bars, discount badges, FAQ accordions and bug fixes on any theme (Horizon, Dawn, Turbo, Debutify and others). Clean Liquid and CSS, no page builders, no speed penalty. Small fixes delivered in 24 to 48 hours; larger rebuilds quoted after a quick review.
Price: $500-5000
Description: Custom Shopify apps and integrations built on Shopify Functions, Flow and the Admin API: connections with ERPs, POS and payment terminals, local payment and shipping providers, stock sync by branch, WhatsApp and email automations, customer self-service tools and custom reports. Serverless, low-maintenance architecture with no monthly hosting costs for you. Scoped and quoted as a fixed project.
Other services
Analytics and tracking, Site performance and speed
Industries
Business to business (B2B), Clothing and fashion, Health and beauty, Services
Featured work
Voce — Shopify migration, AI product photography and live stock
Chilean footwear brand with physical stores. Full store migration from Jumpseller to Shopify. I then automated product photography generation with AI (a custom pipeline on the Gemini API) and integrated per-branch stock lookup from their Bsale system into the product page, via Cloudflare Workers.View featured work
Academia Unani / Isovida — Multi-store automation MX/ES
Multi-store organization in Mexico and Spain. Automations for operations and billing data on orders, local payment setup (Shopify Payments and OXXO), a permissions audit across five stores, ShopifyQL reporting and plan optimization with direct impact on costs. Ongoing technical support.View featured work
Containers Home — Automation and custom development
High-volume online sales business in Chile. Custom development on Shopify: automations for daily operations, self-service tools for customers, a complete redesign of the store notifications and a custom help center. Technical support and continuous evolution of the platform.View featured work
Jandi Gardiazabal — Marketing automation and online courses
An artist's brand with a Shopify store. Migration and theme customization, marketing automations with flows and abandoned cart recovery over WhatsApp, and integration of her online courses into the purchase flow. An ongoing working relationship, with custom development for each stage of the business.View featured work
Chef Gustavo Sáez — Automation and Meta Ads for online courses
A pastry chef's brand selling books and online courses. Automations for daily operations, a conversion-focused rebuild of the product template, and Meta Ads work: catalog cleanup, fixing destination links and adjusting creatives to comply with platform policies without stalling the campaigns.View featured work
Arte Nostro — WooCommerce to Shopify migration and growth setup
Chilean art-supplies store migrated from WordPress/WooCommerce to Shopify: full catalog with variants, customers and 301 redirects, live since September 2026 with no SEO loss. After launch: Meta and Google Ads tracking cleanup, email flows in Mailchimp, marketplace reviews imported, and weekly working sessions with the owner so she can run the store on her own.View featured work
Rating4.3(6)
Overall rating summary
Ratings based on and
- (5)
- (0)
- (0)
- (0)
- (1)
Reviews
Opi Otto
Quality of work
5Communication
5Muy buen trabajo y muy profesional
Service reviewed: Custom apps and integrations
Containers Home
Quality of work
5Communication
5Service reviewed: Site performance and speed
RND
Quality of work
5Communication
5Service reviewed: Custom apps and integrations
Meraki
Quality of work
5Communication
5Klaus es muy responsable y además sabe MUY bien lo que hace! Realmente un gusto trabajar con él :)
Service reviewed: Site performance and speed
Jandi Gardiazabal Internacional
Quality of work
5Communication
5Klaus hizo un trabajo espectacular cambiando el tema de mi tienda de Shopify. Es realmente un agrado trabajar con él por su calidad de trabajo y también su calidad humana. 100% recomendado
Service reviewed: Theme customization
Actitud OG Store
Quality of work
1Communication
1Service reviewed: Theme customization