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AI & Automation · Gmail Add-in Development

Gmail add-ons for email automation.

Gmail add-in development company delivering custom email automation services — hire Gmail add-on developers for contextual cards, email parsing, CRM integration, automated responses, and workflow triggers built with Apps Script.

Gmail add-in development company
Gmail email parsing and automation services
Hire Gmail add-on developers
CRM email logging
Automated response systems
Gmail API integration
25+
Gmail add-ons built
Email automation and productivity tools.
60%
Less email handling time
Automated parsing, categorisation, and responses.
50K+
Emails processed daily
Enterprise-scale email automation.
0
Hosting cost
Runs natively inside Gmail.
Trusted by enterprises worldwideCMMi Level 3ISO 27001SOC 220+ Years
Why MetaDesign

Hire Gmail add-on developers for email automation.

Gmail add-in development company — contextual cards, CRM integration, email automation.

01

Contextual Cards

Gmail add-in development company building rich sidebar cards showing CRM data, order details, or ticket status when viewing emails — no tab switching needed.

02

Email Automation

Gmail email parsing and automation services for auto-labelling, auto-replying, parsing attachments, and triggering workflows based on email content.

03

CRM Integration

Hire Gmail add-on developers to log emails to Salesforce, HubSpot, or custom CRM directly from Gmail with one-click actions.

PARSE.
AUTOMATE.
INTEGRATE.
RESPOND.

CRM Sidebar

Gmail add-in development company showing contact details, deal history, and notes from your CRM alongside every email.

Auto-Labelling

Gmail email parsing and automation services automatically categorising and labelling emails based on content, sender, or keywords.

Smart Replies

Hire Gmail add-on developers for template-based auto-responses triggered by email patterns and rules.

Attachment Processing

Auto-extract, rename, and organise attachments to Drive with metadata tagging.

Our approach

Five stages,
paired end-to-end.

Predictable delivery. No black-box sprints.

01

Scope

Email workflow audit and add-on requirements.

02

Design

Card UI design and automation rule architecture.

03

Build

Apps Script + Gmail API + Card Service development.

04

Test

Email parsing accuracy and edge case handling.

05

Deploy

Marketplace or domain deployment.

Customer value

Six places it pays back in the first sprint.

Real outcomes our clients report within the first engagement cycle.

Faster time-to-market

Production-ready teams that ship from week one — no ramp-up lag.

Reduced technical risk

Architecture reviews, code audits, and security scans baked into every sprint.

Measurable velocity

Cycle time, PR throughput, and defect density tracked from day one.

Cost predictability

Fixed-price or capped T&M — no surprise invoices, ever.

Continuous improvement

Retros, post-mortems, and process refinement every sprint.

Knowledge transfer

Your team grows. Documentation, pair programming, and workshops included.

Technology

Tools our gmail add-in development
developers ship with.

We use what works. No vendor lock-in.

Google Apps ScriptGmail APICard ServiceJavaScriptClasp CLIJSONDrive APICalendar APIPeople APIOAuth 2.0REST APIsTriggers
By the numbers
400+
Engineers worldwide
200+
Active clients
20yr
Pure-play software
94%
Client retention
Engagement models

Three ways to work
with our Gmail Add-in Development team.

Scale up, scale down — zero procurement headaches.

Fixed-scope project

Start-to-finish delivery with total cost, timeline, and scope agreed upfront. Best for well-defined builds and launches.

BEST FORNew product launches

Dedicated team

A ring-fenced squad — PM, tech lead, engineers, QA — fully managed by us, embedded in your workflow.

BEST FORLong-running platforms

Staff augmentation

Plug senior engineers into your existing team and tools. You manage priorities, we deliver results.

BEST FORCapacity gaps & sprints
FAQ

Asked first,
every time.

Don't see yours here? Send us the question — a principal engineer will reply within 24 hours.

Yes. Our Gmail add-in development company uses Card Service to render rich contextual cards showing contact info, deal history, and actions from Salesforce, HubSpot, or custom CRMs.

Yes. Our Gmail email parsing and automation services build rules that scan subject lines, sender domains, and body content to automatically apply Gmail labels.

Yes. Hire Gmail add-on developers who build with Card Service for consistent experience across web, Android, and iOS.

Yes. Our Gmail add-in development company extracts, renames, and saves attachments to Drive folders with metadata — triggered automatically when emails arrive.

Build custom Gmail add-ons with our team.

Tell us about your project. We'll come back with a plan, a timeline, and the right team — no obligations.

Book a Call