Services / Custom Plugin Development

The plugin that doesn’t exist yet. We build it.

Every plugin in our catalog started as a custom build. Brief us. Fixed scope. Fixed price. Full source code to your repo. No lock-in.

/ Who this is for

Three signals you should brief us.

01

You have a workflow no existing plugin handles.

A specific ERP integration that isn’t NetSuite. Custom order routing your 3PL requires. A B2B pricing engine, wholesale portal, product configurator, licence-key delivery system, reporting dashboard, subscription billing engine, multi-warehouse inventory sync. If you have been doing it manually or with a patchwork of plugins, we can build it properly.

02

You need production-grade code from day one.

HPOS-compatible. Blocks-compatible. Plugin Check (QIT) clean. WordPress Coding Standards. Automated tests for every public-facing API. Documentation. Not a duct-tape solution.

03

You want to own what we build.

Full source code to your private repo. No licence keys. No phone-home. No monthly software fee for code you paid to have built. Permanently yours.

Tier 01

Discovery & Specification.

$1,500
5 business days · async

Discovery fee credited against build cost if you proceed. Standalone — the spec is yours either way.

/ What you get
  • Async Requirements Workshop — you complete our discovery form: problem, workflow step by step, data sources, edge cases, constraints. We return clarifying questions by email within 24 hours. Replaces a discovery call — faster and produces a written record.
  • Technical Specification Document — plugin architecture, every feature with acceptance criteria, API integration points documented, database schema if applicable, edge cases and plans, out-of-scope items explicitly listed, delivery timeline. The spec is yours — take it to any developer.
  • Fixed-Price Build Quote — if you proceed with us, the $1,500 fee is credited against build cost.
Tier 02

Full Plugin Build.

from $5,000
3–6 weeks · async

Production-grade. Tested. Documented. Delivered to your private GitHub repository.

/ Price ranges by complexity
Simple
$5,000–$8,000
Single feature, no external API
Mid-complexity
$8,000–$15,000
External API, custom admin UI
Complex
$15,000–$35,000
Multi-system sync, React admin, business logic
/ Included in every build
/ INC

Production-grade architecture

Dependency injection. Action Scheduler for background jobs. HPOS-native. Namespaced. PSR-4. No global state.

/ INC

HPOS & Blocks compatibility

Declared compatible from day one. Tested in both HPOS and legacy.

/ INC

Automated tests

PHPUnit unit + integration tests. Happy path + broken path per public API. Test suite runs in your CI.

/ INC

React admin UI (if applicable)

@wordpress/components. Tab state via URL hash. HelpTip popovers. No PHP form admin pages.

/ INC

Full documentation

PHPDoc, developer README, end-user guide with screenshots, changelog from v1.0.0.

/ INC

Plugin Check compliance

PrefixAllGlobals clean. No direct DB queries outside data layer. Proper permission callbacks. Clean uninstall.

/ INC

Source code in your repo

Delivered to your private GitHub repository. No licence enforcement. No telemetry. Yours permanently.

/ Delivery process
Week 1

Scaffolding, core architecture, first milestone for review.

Weeks 1–4

Feature implementation in agreed priority order. Each milestone is a working build on staging.

Week 4–5

QA — Plugin Check, HPOS, Blocks, edge cases, performance.

Week 5–6

Bug fixes, documentation, final delivery + handover Tella.

Post

30 days bug-fix support included at no charge.

Tier 03

Maintenance & Support.

$500/mo
Month-to-month · Plugins we built only · 30 days notice
  • Plugin updates on WC/WP major releases — compatibility confirmed or breakage fixed within 5 business days of each major stable release.
  • Bug fixes within 48 hours — production-blocking 48 hours, non-blocking 5 business days.
  • Minor feature additions — up to 4 hours/month — small adjustments within retainer. Larger scope quoted separately.
  • Security patches — applied and released within 24 hours of patch going public.
/ Examples of what we build

Ten plugin types. Ten illustrative price ranges.

Plugin typeTypical scopeTypical price
ERP / accounting sync (non-NetSuite)Mid — external API, scheduled sync, admin log$8,000–$15,000
B2B wholesale portalComplex — role pricing, MOQ, trade account applications$15,000–$25,000
Custom checkout flowMid — conditional fields, delivery date picker, validation$6,000–$10,000
Licence key delivery systemMid — generation, delivery, revocation, REST API$8,000–$12,000
3PL / warehouse connectorComplex — bidirectional sync, idempotent webhooks, conflict resolution$12,000–$22,000
Product configuratorComplex — dynamic pricing, conditional options, quote-to-order$15,000–$30,000
Subscription / recurring billingComplex — payment integration, dunning, customer portal$12,000–$20,000
Reporting & analytics dashboardMid — React admin, data aggregation, CSV + PDF export$7,000–$12,000
Batch & expiry management (bespoke)Complex — industry-specific rules beyond BatchTrack$10,000–$20,000
Multi-warehouse inventory syncComplex — location matrix, conflict queue, reconcile UI$12,000–$20,000

Illustrative ranges. Actual price is determined by the specification. Discovery ($1,500) produces the exact quote — credited against the build if you proceed.

Getting started.

Fill in the contact form and select Custom Plugin Development. Describe the plugin in 2–3 sentences.

Brief us →