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For agencies

Your technical team, behind the scenes.

DevStacker provides WordPress development, custom development, CRM, Perfex CRM, automation, integrations, and technical troubleshooting for agencies that already handle strategy and client relationships. We work behind your brand — not as another agency competing for your clients.

Where we fit

You keep the relationship. We handle the technical delivery.

Your agency

You own the relationship

  • Sales
  • Strategy
  • Creative & marketing
  • Account management
DevStacker

We handle the build

  • Web development
  • CRM & Perfex CRM
  • Automation & integrations
  • Technical delivery & troubleshooting
= One stronger delivery team

DevStacker doesn't contact your clients or take over the relationship unless you specifically ask us to — see FAQ for how that boundary works.

What you can send us

Grouped by the kind of work, not a giant list.

Website & WordPress

Builds & Custom Work

WordPress builds, Elementor and custom WordPress work, WooCommerce, and custom PHP/JavaScript development.

CRM & Perfex

Setup & Customization

CRM setup and customization, Perfex CRM development, and custom modules built around specific business processes.

Automation & Integrations

Workflows & APIs

API integrations, n8n automation, and webhook-driven workflows connecting your client's tools together.

Infrastructure & Rescue

Migrations & Troubleshooting

Migrations, technical troubleshooting, and DNS/email infrastructure tasks where relevant to the project.

Common situations

Where agencies typically bring us in.

→ Project Support

"A client asked for something outside our technical capability."

A one-off requirement doesn't justify hiring a specialist — we take it on as a scoped project.

→ Project Support

"Our development workload spiked unexpectedly."

Overflow work gets picked up without disrupting your internal team's existing commitments.

→ Development Partner

"A project needs CRM or automation expertise we don't have in-house."

We bring the specific technical depth — CRM configuration, Perfex customization, or workflow automation.

→ Development Partner

"We don't want to hire a specialist for occasional requirements."

Regular but not full-time technical work fits naturally into an ongoing development partnership.

→ White-Label Partner

"Existing technical work needs troubleshooting or rescue."

We review what's there first, then scope a fix — under your brand, communicated the way you prefer.

Engagement models

Three ways to work with us.

Project Support

For occasional technical requirements or overflow work — no ongoing commitment required. Scoped, delivered, and handed over.

Development Partner

For agencies sending regular development or systems work. We become a familiar, repeatable technical resource without you carrying the headcount.

White-Label Partner

For ongoing backend technical delivery under an agreed white-label setup — communication boundaries, branding, and documentation defined upfront.

Every engagement is scoped in writing before work starts. None of these models include unlimited work — larger or ongoing needs are agreed and priced as they come up.

How delivery works

A predictable flow, from requirement to handover.

Requirement→Technical Review→Scope→Build→QA→Delivery / Handover
Communication

Agreed Boundaries

Who we talk to, and whether that's you only or extends to your client, is agreed before work starts.

Branding

Under Your Brand

Where appropriate, deliverables and communication reflect your agency's brand, not ours.

Documentation

Handover Notes

What was built and how it's configured is documented so it's usable without us in the room.

Access

Credentials & Handling

Access is requested only where needed for the scoped work, handled per your agency's security expectations.

Change Handling

Scope Changes

If a requirement grows mid-project, it's flagged and re-scoped rather than absorbed silently.

Quality

QA Before Delivery

Work is checked against the agreed scope before it's handed back — not left for you to catch issues first.

These are our working principles, not a substitute for the specific terms agreed in your engagement.

Why agencies use a technical partner

Capacity and capability, without the headcount.

—Access to broader technical capability than most agencies keep in-house.
—Less need to recruit for every specialist requirement that comes up.
—Flexible project capacity that scales with your workload, not a fixed team size.
—One technical backend relationship instead of juggling several freelancers.
—Ability to offer more complete solutions to your own clients.

Technical specialties

The areas we go deepest on.

Specialty

Web Development

WordPress and custom-built sites, structured to connect with CRM and automation from day one.

Learn more →
Specialty

Perfex CRM Development

Installation, custom modules, and integrations for agencies whose clients run on Perfex.

Learn more →
Specialty

Automation & Integrations

Connecting your client's website, CRM, and other tools so information moves without manual work.

Learn more →

Agency questions

Frequently asked

Can you work completely white-label?+
Yes — that's what the White-Label Partner model is for. Branding, communication boundaries, and documentation are agreed upfront so delivery happens behind your brand.
Will you contact our clients directly?+
Not unless you specifically want us to. Most engagements keep DevStacker behind the scenes; any direct contact with your client is agreed in advance, not assumed.
Can we send one-off projects?+
Yes — that's Project Support. There's no requirement to commit to ongoing work.
Can you work with our existing designers or SEO team?+
Yes. We handle the technical build and integration; your team keeps design, SEO, and strategy.
Can you handle existing, broken projects?+
Often, yes. We review what's already there first — sometimes a fix is straightforward, sometimes it needs a longer look before we commit to scope.
Do you provide ongoing support?+
Through DevStacker Care, which is separate from project delivery — useful if you want us to keep maintaining what we built for your client.
How is project scope handled?+
Every requirement is reviewed and scoped in writing before work starts, so there's no ambiguity about what's included or what counts as a change.

Ready when you are

Have a technical requirement your agency doesn't want to handle in-house?