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AUTH
[ABOUT]

AUTH LTD is a software studio shipping SaaS products and bespoke systems for teams that care about craft, speed, and the details that hold up under load.

RESTRAINTRELIABILITYCRAFTOWNERSHIPSECURITYVELOCITYPRECISIONSCALE
[ 01 ]OUR STORY

Built on restraint and rigor.

AUTH LTD builds SaaS products and bespoke systems for companies that care about how their software is made. We pair sharp product thinking with disciplined engineering, shipping fast without cutting the corners that come back to haunt you later.

We work in small, senior teams and favor long-term partnership over constant churn. Restraint and quality are the point: fewer moving parts, cleaner systems, and software that stays a pleasure to extend years from now.

From the first commit to running in production, we own the hard parts, so your team can move with confidence and focus on the work only you can do.

AUTH / IDENTITY
FOUNDED
2026
COMPANY NO.
17296846
MODEL
Senior-only teams
FOCUS
SaaS & custom software
MARKETS
US · UK · Remote
STACK
TypeScript · Cloud · AI

AUTH LTD is a private limited company registered in England and Wales, company number 17296846. Registered office: Suite A, 82 James Carter Road, Mildenhall, Suffolk, IP28 7DE, United Kingdom.

[ 02 ]BY THE NUMBERS

Built to be measured.

Four figures, each one checkable — at Companies House, on this site, or on a public profile.

2026FOUNDED
5PRODUCTS IN PRODUCTION
6NAMED CLIENT REFERENCES
1BUSINESS DAY REPLY
[ 03 ]PRINCIPLES

The way we work.

A short list of non-negotiables that shape every project we take on.

[ 01 ]

Senior-only teams

You work directly with the people writing the code. No handoffs, no juniors learning on your budget.

[ 02 ]

Long-term partnership

We stay invested long after launch, treating your roadmap as a relationship, not a transaction.

[ 03 ]

Ownership mindset

We treat your product like our own, sweating the decisions you should never have to think about.

[ 04 ]

Security by default

Encryption, least privilege, and sane defaults baked in from the first commit, never bolted on later.

[ 05 ]

Restraint over bloat

Fewer moving parts, cleaner systems. We remove before we add, so the codebase stays a pleasure to extend.

[ 06 ]

Built to be measured

Observability and clear metrics from day one, so progress and reliability are facts, not feelings.

[ 04 ]WHAT WE DO

From first commit to handover.

[ 01 ]

SaaS Product Development

Multi-tenant platforms, billing, dashboards, and everything it takes to run a product.

[ 02 ]

Custom Software & Platforms

Bespoke internal tools and back-office systems shaped around how you actually work.

[ 03 ]

Cloud & DevOps

Cloud-native infrastructure, CI/CD, and observability that keeps you shipping safely.

[ 04 ]

AI & Data

LLM features, data pipelines, and automation that turn information into leverage.

[ 05 ]

Mobile Applications

Native quality iOS and Android from a single, well-built codebase.

[ 06 ]

Design & UX Engineering

Design systems and interfaces engineered with the same rigor as the code.

[START A PROJECT]

Let's build something that lasts.

Tell us what you are building and where we can help. We reply within one business day.