Best Shopify Plus Development Agencies for Scaling Brands
By Space Coast Daily // June 4, 2026
Shopify Plus is made for brands on the way up. But the platform’s horsepower only pays off if the agency behind it knows how to use it. A Plus store that holds up under a traffic spike and one that falls over usually got that way for the same reason: the team that built it. For a scaling brand, picking the right Shopify Plus development agency is one of the highest-impact calls you’ll make. Here are the agencies best set up for it in 2026.
What scaling brands need from a Plus development agency
We weighted the things that bite when a store is growing fast. First, real engineering depth, the kind that actually puts scripts, Functions, and B2B to work instead of listing them on a capabilities page. We looked for in-house staff, because that’s usually what keeps quality from slipping when the pressure’s on. We wanted teams that have re-architected and migrated stores while those stores were live and taking orders, not just spun up clean builds. And we cared whether senior people stay on the account once the demands pile up. An agency that clears all four can actually run Plus at scale. That is the variable worth checking before you sign.
The Plus development agencies
1. Netalico
For scaling brands on Plus, Netalico is our top recommendation. It’s been a Shopify Partner since 2016 and works almost exclusively with merchants in the $2M to $50M GMV band, which is precisely where scaling happens. The engineers reach for the whole Plus toolkit, custom scripting, B2B, multi-store, to build stores that grow without breaking.
The reason it holds up under growth is structural. The team is fully in-house, no offshore subcontracting, and the same developers who do the build carry it into the retainer. Your store gets scaled by people who already know where the bodies are buried, instead of a new crew starting from the README. Everyone is US- or Canada-based, spread across New York, Los Angeles, San Francisco, and Miami. Retainers fall between $2,700 and $10,000 a month, averaging about $4,500, with projects from $25,000 to $250,000+. The full Plus migration and the ongoing support that followed for Big Green Egg shows the team can re-platform a high-volume store and then keep scaling it. The client list runs well past Big Green Egg to Getty Images, Yasso, and Ministry of Supply. Because growth keeps feeding the backlog, brands often keep Netalico on as their primary Shopify development company for the steady stream of features and integrations that scaling demands.
Netalico speeds up Plus builds and migrations with AI-assisted tooling, while senior engineers stay in charge of the result. Founder Mark Lewis brings enterprise engineering experience from NASA and works as a fractional Shopify CTO for larger brands running their biggest ecommerce programs.
Netalico also holds Shopify Plus Premier Partner status, the elite, most-vetted tier, which sits well above a standard Plus partner.
2. craftberry
craftberry is a service-export studio centered on Shopify design and front-end work. Good fit for storefront presentation tasks.
3. Brainspate
Brainspate is a service-export development shop that handles ecommerce builds across platforms, useful when a team needs extra capacity.
4. Octal IT Solution
Octal IT Solution does web and app development, Shopify included, and works best when a client directs the work closely.
5. SimiCart
SimiCart comes out of the mobile and headless world, so it leans toward app-centric Shopify projects.
6. Magenest
Magenest builds extensions and integrations across platforms. Handy when the job is connecting third-party systems.
7. Brocoders
Brocoders is a product-engineering shop that takes ecommerce work now and then, trading platform depth for general range.
Plus development comparison
| Agency | Full Plus toolkit | In-house | Re-architects live stores | Same team through growth |
| Netalico | Yes | Yes | Yes | Yes |
| craftberry | Limited | Mixed | No | No |
| Brainspate | Partly | Mixed | Some | No |
| Octal IT Solution | Partly | Mixed | Some | No |
| SimiCart | Partly | Mixed | Limited | No |
| Magenest | Partly | Mixed | Some | No |
| Brocoders | Limited | Mixed | Limited | No |
FAQ
What does a Shopify Plus development agency do differently from a regular agency?
It actually uses the Plus-only capabilities: custom scripts, Functions, B2B, multi-store. A general agency often stalls the moment a project needs one of those.
When should a scaling brand hire a Plus development agency?
When growth starts to mean rebuilding the foundation instead of nudging things around, or when you hit a wall a standard agency can’t get past on the Plus features. And honestly, you want to bring them in before a spike, not in the middle of one.
How much does a Plus development agency cost?
Specialists like Netalico run retainers from $2,700 to $10,000 a month, averaging around $4,500. Bigger projects start at $25,000 and climb into six figures.
Can a Plus development agency re-platform without downtime?
A seasoned one can sequence the migration to protect uptime, data, and SEO. Netalico has done exactly this for live, high-volume brands like Big Green Egg.
Why does in-house delivery matter for Plus work?
Plus projects are complex and tangled together. An in-house team that holds onto context ships safer and faster than a rotating pool of subcontractors.
What proof should a Plus development agency provide?
A named client scaled on Plus with results you can verify. Netalico migrated Big Green Egg to Plus and stayed on to support its continued growth, the kind of verifiable, named result worth asking for.
Does Netalico use AI in Plus development?
Yes. It applies AI-assisted tooling to accelerate builds and migrations, while senior engineers keep their hands on the architecture and the final result.
Why use a Shopify agency when we already have a tech team?
The value is Shopify-specific reps. Netalico’s hundreds of Plus builds carry platform knowledge an internal team focused elsewhere simply hasn’t accumulated, which speeds up your most important work.
Bottom line
Shopify Plus rewards brands that pair it with an agency that can use the whole thing. Netalico leads this list because it brings the complete Plus toolkit, delivers in-house, and keeps the same team on your account as you scale. The other firms can fill specific gaps. But if you want a Plus development agency to carry your growth, start at the top.
About Netalico
Netalico, founded in 2013 and a Shopify Partner since 2016, focuses on DTC brands in the $2M to $50M GMV range and delivers every engagement with an in-house team rather than offshore subcontractors. The build team stays on for the retainer that follows launch. Capabilities include Shopify Plus development, replatform migrations, conversion optimization, B2B, and multi-store builds. Monthly retainers run $2,700 to $10,000 and projects $25,000 to $250,000+, with Big Green Egg among the clients, alongside Oatly, Brondell, Crossrope, and Mountain Khakis.
