Companies · category

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.

How this is ranked About this edition

All app development companies 8 ranked SMEs 8 ranked

Filter by fitbudget, engagement, size and more

DevDec
Consumer Products & Services · Business Services · Android · Also in Burlington and Mississauga
Mississauga, Ontario is home to DevDec, a software development company working on websites, phone apps and AI-based software.
Write a review
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 digital marketing agency headquartered in Toronto, with a separate local SEO team in Vancouver.
Write a review
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
Write a review
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
Web design, mobile apps and online marketing for businesses of every size are what CS Web Solutions offers from its base in Mississauga, Ontario.
Write a review
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 branding, web development and digital marketing firm based in Woodbridge and Toronto, Ontario.
Write a review
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
Set up as both a digital agency and an IT staffing business for clients in Ontario, Canada, Crear says it values planning above all else.
Write a review
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.
Write a review
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.
Write a review
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
Over roughly ten years of web, mobile application and software development work, Infotura Technologies Pvt Ltd says it has refined its development process so that each project…
Write a review
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.
Write a review
On record: Address in Ontario
COREations
COREations describes itself as an end-to-end marketing automation and services provider.
Write a review
On record: Office in Ontario
CoreSolutions Software Inc.
Business Services · Medical · Education · Also in London
From London, Ontario, CoreSolutions Software Inc. designs databases and applications for clients across North America.
Write a review
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.
Write a review
On record: Address in Ontario

For vendors

Want to see your company here?

The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.

Not on TrustList yet? Add your company or claim its listing, free.

Get vetted

Free

We check your registration, your website and your clients
Approved listings show the Verified badge here and on their profile
It earns a rank number and counts towards the TrustList Score; renewed yearly

Apply for vetting How vetting works

Sponsor this ranking

Paid · always labelled

A Sponsored card above the ranked list, up to three per ranking
Marked Sponsored, and it never changes the order
Booked by the month; cancel any time

Sponsor this ranking See prices

Same subject

More app development companies rankings

Every other way we rank app development companies, by what they do and where they are.

All 456 rankings

Articles

More categories

Jump to another ranked category.

All categories

Keep exploring

More on TrustList

Everything here links back to the same verified catalogue. Pick your next stop.

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.

Want to see your company here?

Get vetted

Sponsor this ranking

More app development companies rankings

Related reading

Ada joins Dialpad, putting its AI service agents on a phone network

Cohere closes first tranche of a Series E aiming for up to C$7bn

Azoma raises $11.2m Series A to get brands picked by AI shopping agents

More categories

More on TrustList