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Esri Canada

Esri Canada is the Canadian distributor and solutions arm for Esri's ArcGIS mapping software, founded in Toronto in 1984 by Alex Miller and Mary-Charlotte Miller. It serves more than 14,000 organisations from 15 offices across the country, and acquired Toronto urban-analytics startup Ratio.City in September 2023.

PropTechTorontoFounded 1984esri.ca
14,000+organisations served, from 15 offices across CanadaEsri Canada news release, 2023-09-06
1984founded in Toronto by Alex Miller and Mary-Charlotte Miller; Alex Miller is presidentWikipedia, read 2026-09-02

The people

AM
Alex MillerFounder & Presidentprofile coming
MM
Mary-Charlotte MillerCo-founderprofile coming

What they build

ArcGIS software, licensing and support across Canada
Community planning and housing solutions
Ratio.City — site-level development feasibility, now a division of Esri Canada
Education and public-sector GIS programmes

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Working at Esri Canada

Browse open roles across the community on the TechTO Job Board — Canada’s most connected tech network. Esri Canada’s roles show up here whenever they post.

Open roles on the TechTO Job Board ↗Or their own careers page: esri.ca/careers ↗

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About

Esri Canada sells and builds on ArcGIS, the geographic information system used by governments, utilities, retailers and planners to answer questions that turn on location. Alex Miller founded it in Toronto in 1984 with Mary-Charlotte Miller and is still president. Its own 2023 announcement counts more than 14,000 organisations served from 15 offices nationally.

In September 2023 it acquired Ratio.City, the Toronto urban-analytics platform that told developers and planners what could actually be built on a given site. The stated purpose was housing: folding site-level feasibility into Esri Canada's community-planning products to speed the design and approval of affordable housing. Ratio.City now runs as a division of Esri Canada.

Monika Jaroszonek co-founded Ratio.City in 2017 with Erin Morrow after 15 years as an architect, and is now Managing Director, Planning & Housing at Esri Canada. She demoed Ratio on the TechTO stage in March 2018.

Backers

Privately held and founder-led since 1984; no outside funding round is announced anywhere read for this page. Esri Canada is the Canadian arm of the Esri distributor network.

Some figures are founder-stated, not independently confirmed

Quick answers

What does Esri Canada do?

It sells, supports and builds on ArcGIS — Esri's geographic information system — for Canadian governments, utilities, retailers and planners. More than 14,000 organisations use it.

Who founded Esri Canada?

Alex Miller and Mary-Charlotte Miller, in Toronto in 1984. Alex Miller is still president.

What happened to Ratio.City?

Esri Canada acquired it in September 2023 to strengthen its community-planning and housing tools. It now runs as a division, and co-founder Monika Jaroszonek is Managing Director, Planning & Housing.

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Maintained by TechTO · facts sourced and dated · last reviewed Sep 2, 2026