Engineers collaborating over a laptop

Premium US tier · Senior-engineer sprints

Senior engineering work, productized.

Fixed price, fixed scope, fixed timeline. Built on receipts: 60M+ emails delivered for Sotheby's Motorsport, multi-tenant ops at Bolttech ($2B), CRO on a $1M ARR Shopify storefront.

Sotheby's Motorsport
60M+ emails delivered
Bolttech · $2B
Edward Beiner · $1M ARR Shopify
Zero domain burn
Klaviyo · HubSpot · Brevo
n8n · Make · Claude
$30M auction marketplace

Receipts,
not promises.

TAPCS is a US LLC out of Doral, Florida. Every engagement is anchored on senior-engineer work shipped at scale: 60M+ emails delivered for a $30M auction marketplace, multi-tenant product ops at a $2B fintech, and Core Web Vitals plus CRO on a $1M ARR Shopify storefront. No hourly billing, no vague retainers. Fixed scope, fixed price, fixed timeline, and a senior operator who has done the work before.

60M+
Emails delivered
$30M
Auction marketplace
$2B
SaaS multitenancy
$1M
Shopify ARR · CRO

Where to start

The three sprints that move first.

All six engagements →
Close-up of focused engineering work
01 $4,500

Email Deliverability Audit

Diagnose what keeps your sends out of the inbox. DMARC/DKIM/SPF, sender reputation, warm-up, segmentation hygiene. A 30-page report and a 60-minute walkthrough, built on 60M+ emails delivered with zero domain burn.

A workspace in soft light
02 $9,500

Lifecycle Email Buildout

Welcome, browse-abandon, cart, post-purchase, and win-back. Five flows in four weeks on Klaviyo, HubSpot, or Brevo. Comparable scope at NYC/SF agencies runs $25–40k.

Detail of a considered, modern interior
03 $7,500

AI Ops Pack

Five production automations on n8n / Make plus Claude: lead routing, content repurposing, support triage, reporting, data sync. Each ships with documentation, monitoring, and 30 days of tuning.

No obligation

Request a
free audit.

Share your site and where you want to grow. A senior operator reviews it and replies with a candid read, no pitch deck.