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Top App Development Companies in Ontario

8 of 13 app development companies ranked on evidence in the Q4 2026 edition.

Between them, the 13 app development companies on this page cover android (6), medical (5), business services (4) and SEO (4). They also list work in Vancouver and Toronto. 13 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

8 of 13 app development companies ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

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All app development companies 8 ranked SMEs 8 ranked

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DevDec
Consumer Products & Services · Business Services · Android · Also in Burlington and Mississauga
DevDec is a software development company in Mississauga, Ontario, that builds websites, mobile apps and AI-based software.
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Why #1: Based in Mississauga, Ontario · In business 12+ years · Client numbers stated on its own website, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
BreezeMaxWeb
Web Design · Android · SEO · Also in York and Vancouver
BreezeMaxWeb is a Toronto-based digital marketing agency whose core work is search advertising.
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Why #2: Based in Toronto, Ontario, with a team in Vancouver · In business 10+ years · Google partner, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
ARC Business Solutions Inc.
North American IT consulting firm offering solutions delivery, managed services, information management and utility sector consulting
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Why #3: Office in Ontario · Founded 1998, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
CS Web Solutions
Consumer Products & Services · Advertising & Marketing · Hospitality & Leisure · Also in Vancouver
CS Web Solutions is a web design and development company in Mississauga, Ontario, Canada.
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Why #4: Based in Mississauga, Ontario, Canada · In business 15+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Eccentric Business Intelligence
Mobile App Development · Android · Medical · Also in Richmond and Toronto
Eccentric Business Intelligence is a full-service branding, web and digital marketing firm serving Woodbridge, Toronto and the surrounding Ontario area.
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Why #5: Based in Woodbridge and Toronto, Ontario, Canada · Founded 2012, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Crear Management Limited
Crear Management Limited, trading as Crear, combines a digital agency with an IT staffing business in Ontario, Canada.
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Why #6: Based in Ontario, Canada · In business 13+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Olio Digital Labs
Mobile App Development · iOS App · UI/UX Design · Also in Canada
Olio Digital Labs is a digital agency in London, Ontario, Canada. It designs and builds custom mobile apps, web applications and digital products, and was established in 2014.
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Why #7: Based in London, Ontario, Canada · Founded 2014, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Leverage IT
Mobile App Development · iOS App · UI/UX Design
Leverage IT, which also writes its name as LeverageIT, is a digital agency covering web design, software and app development, and branding and marketing.
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Why #8: Address in Ontario · Team of 40+ · Client numbers stated on its own website, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
Infotura Technologies Pvt Ltd
Advertising & Marketing · Hospitality & Leisure · Business Services
Infotura Technologies Pvt Ltd is a software development company that builds web, mobile and custom software.
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On record: In business 10+ years, as stated on its own website, read 5 Oct 2026
RS
Ropstam Solutions Inc
Consumer Products & Services · Medical
Ropstam Solutions Inc. is a dynamic technology company with its headquarters in Canada and software house operations in Pakistan and India.
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On record: Address in Ontario
COREations
COREations is a digital agency that sets up business software, runs online marketing and builds websites and apps.
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On record: Office in Ontario
CoreSolutions Software Inc.
Business Services · Medical · Education · Also in London
CoreSolutions Software Inc. writes custom database and application software from its base in London, Ontario.
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On record: Based in London, Ontario, Canada
DIT Web Solutions Inc.
Web Design · Web Development · SEO · Also in Durham and Scarborough
DIT Web Solutions Inc., also known as DIT Canada, builds web and mobile platforms for businesses and runs online marketing to bring in leads.
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On record: Address in Ontario

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Top App Development Companies in Ontario

DevDec

BreezeMaxWeb

ARC Business Solutions Inc.

CS Web Solutions

Eccentric Business Intelligence

Crear Management Limited

Olio Digital Labs

Leverage IT

Infotura Technologies Pvt Ltd

Ropstam Solutions Inc

COREations

CoreSolutions Software Inc.

DIT Web Solutions Inc.

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