Technology studio, South Shore of Montreal

We build.

We turn operational problems into digital systems and products: internal apps, SaaS, AI, data systems and ESG.

Internal appsSaaSAIData systemsESG
  • 01StrategyWe frame the problem before drawing a single pixel.
  • 02DesignEditorial, restrained interfaces built to last.
  • 03Build & measureShipped, maintained, measured, iterated.
What we do

What we build

Three families of systems. One standard: think the problem before drawing, measure after shipping.

In-house productRendora, Asmemo, Rylio in production
01

Our products

Rendora, Asmemo, Rylio

  • Rendora
  • Asmemo
  • Rylio
Explore →
Internal toolTeam dashboard, roles and data
02

Replace your manual tools

Internal apps & AI

  • Internal flows
  • AI integrated
  • Measured in use
Explore →
ESG reportClient deliverable, GRI/CSRD
03

Manage your ESG compliance

Reports & Guidance

  • GRI/CSRD reports
  • Verified data
  • Guidance
Explore →
★ 5.0/51 award-winning product : Rylio3 in-house technologiesStartupfestCentech · DEL
Our DNA

We don't just ship screens. We design full systems, tested first on our own products.

Discover B503

We don't just build interfaces. We design systems, products and tools that truly serve operations.

Internal apps, SaaS, AI, data, ESG. We test our ideas on our own products first, then build them for our clients.

  • 3 in-house products
  • A product-first approach
  • Saint-Constant, South Shore

Our technology

We built them for ourselves. They work.

  • Rylio
    Built

    Complete platform for any type of report.

    Solves

    Rylio simplifies the creation and management of any type of report, from impact and climate reports to ESG, municipal or custom reporting.

    Proof

    Award-winning product, showcased at Startupfest.

  • Asmemo
    Built

    A field assistant that turns voice into structured job records.

    Solves

    Dictate a voice memo on-site: Asmemo turns it into a structured, filed and billable job record. Find any client in seconds.

    Proof

    In production, used on real job sites.

  • Rendora
    Built

    Booking platform for service businesses.

    Solves

    Online bookings, staff scheduling, SMS reminders and a client portal, all in one place for salons, barbershops, wellness and local services.

    Proof

    Live in production on rendora.ca.

Our method

We modernize how organizations work. We built our solutions for ourselves first. They work. Now we build them for you.

  • 01Diagnosis firstWe understand your operation before proposing anything.
  • 02Clear pricingYou know the cost before we start.
  • 03Shipped fastFirst versions in weeks, not quarters.
  • 04We use our own productsOur technology runs on us first.
  • 05Direct lineYou talk to the people who build.

Clear offers

from $99/mo
Site & GEO

A fast site, found by humans and by AI.

from $350/mo
Growth

Content, SEO/GEO and continuous optimization.

custom quote
Solutions & AI

Custom internal apps and automation.

ESG & reporting
Reports and compliance guidance.
custom quoteSee offers →

Is your site found by AI?

Get your GEO Scorecard, score and concrete actions.

The studio

Expertise built over time.

Years spent designing brands, experiences and products. That expertise now lives here, on the South Shore, in service of companies that want to build seriously.

Discover our story →
Design & product

Daniel Sandé

Co-founder

Leads creative direction, product design and experience. Turns every project into a clear, measurable and lasting system.

See profile →
ESG & sustainability

Cassandra Panoff

Co-founder

Runs the studio's ESG practice, from GRI and CSRD reports to Climate Fresk workshops, with hands-on team guidance.

See profile →
EcosystemCentech · DEL · Startupfest
5.0/5
client rating
3
in-house technologies
1
award-winning product
Leave a review

Trusted by our clients.

A perfect rating built on execution, clarity and consistency.

We build our own tools too.

Three in-house technologies that extend our expertise in products and systems.

Recognition that matters.

Our award-winning product reflects a simple ambition: to build tools that are useful, credible and lasting.

« Wow, a turnkey web service perfectly suited to our needs. Sound advice, fast, effective and available. I recommend them to anyone who wants a website. »

Marco LachaineCEO, Garage Claude Coutu

« The site already matched our expectations from the very first meeting. We only get compliments about it. I recommend them 100%. »

Miranda TaniceCo-founder, Lush & Glam Beauté

Frequently asked

Tell us about your project.

A quick call is enough to get started.

info@b503.studio+1 (514) 709-7612Saint-Constant, Québec