$10,000+
$30 - $49 / hr
250 - 999
Enterprise
United States, Nashua
1989
Within 2-3 weeks
Award-winning Mobile App Development

Zco Corporation is a proven mobile app development company. The company has delivered hundreds of robust mobile solutions to startups and Fortune 500 companies.

Zco Corporation offers its clients from all over the world access to skilled software engineers, designers and project managers.

The company provides various types of mobile applications that fit specific business needs of each client: custom mobile applications, big data apps, VR & AR mobile solutions, mobile games and more.

Award-winning Mobile App Development

Сompany presentation

Techreviewer rating

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4.6

Client review platforms

The company's reputation is reflected through ratings and reviews from different review websites:

4.8
(58 reviews)Clutch
5.0
(14 reviews)GoodFirms
4.8
(18 reviews)Google

AI Overview

Powered bytechreviewer AI
This company performance overview is based on AI analysis of 72 client reviews across 2 different review platforms. Read more about our methodology.
Last updated: April 2026

Performance snapshot

Zco is a well-established mobile and custom software development firm with a long track record spanning over a decade. The vendor earns predominantly Strong ratings across all five performance categories, supported by a high volume of reviews and consistent positive outcomes. The vast majority of clients highlight on-time delivery, transparent communication, and high-quality output. Isolated negative mentions—including one low-rated review citing scope management failures and another flagging offshore issue-tracking challenges—are outliers within an otherwise consistent body of evidence.

Performance breakdown

Technical expertise
Strong

Reviewers consistently cite Zco's broad technical range, including Unity, Xamarin, AR/VR, BLE, SQL, and cross-platform frameworks. Multiple anchor reviews reference specific technologies and quantified outputs, such as nine major app iterations and a five-star app store rating.

Project management & delivery
Strong

Across dozens of reviews, clients confirm on-time delivery, adherence to milestones, and structured sprint-based workflows. One anchor review noted four-week delivery sprints and milestone-based payments; only two older reviews mention schedule sub-ratings below 4.0.

Communication & collaboration
Strong

Clients repeatedly praise 24-hour response times, use of Basecamp for collaboration, and proactive updates via email, Zoom, and phone. Responsiveness across time zones is highlighted in multiple reviews, with only one isolated complaint about communication gaps.

Reliability
Strong

A consulting firm review notes a five-star app store rating with infrequent crashes and strong stability metrics. A manufacturing client reported only a single beta error. One older review describes recurring bug cascades, but this pattern is not corroborated elsewhere.

Client satisfaction & outcomes
Strong

Tangible outcomes include millions of app downloads, 70 signed SaaS members, 100,000+ satisfied users, and Forbes Top 10 recognition. Multiple long-term and repeat-client engagements signal strong ROI and cost-to-quality satisfaction across diverse verticals.

Best for

Zco is best suited for startups, SMBs, and mid-market organizations seeking reliable mobile and custom software development across iOS, Android, and cross-platform environments. They are particularly strong in healthcare, education, fitness, and government verticals.

Clients info

Zco serves a diverse client base spanning healthcare, education, government, manufacturing, fitness, real estate, and financial services. Clients are predominantly small to mid-sized businesses, though several enterprise and large-organization engagements are present. Project budgets most commonly fall in the $50,000–$199,999 range, with a notable share of engagements in the $10,000–$49,999 and $200,000–$999,999 tiers. Primary industries represented include Healthcare & Health Technology, Education, Government, Manufacturing, Fitness & Gaming, Financial Services, Real Estate. Typical client size bands include 1-10 Employees, 11-50 Employees, 51-200 Employees, 201-500 Employees. Common project budget ranges include $10,000 to $49,999, $50,000 to $199,999, $200,000 to $999,999.

Review strength

The assessment is based on 72 reviews drawn from two platforms. The review corpus spans over a decade, with the most recent review dated April 2025 and the oldest from January 2014. The majority of reviews are recent and within the last three years, providing a strong and current evidence base. Note that approximately 20 reviews predate 2019 and should be weighted accordingly. Review date range: 2014-01-08 - 2025-04-23.

Performance breakdown

Technical expertise
Strong

Reviewers consistently cite Zco's broad technical range, including Unity, Xamarin, AR/VR, BLE, SQL, and cross-platform frameworks. Multiple anchor reviews reference specific technologies and quantified outputs, such as nine major app iterations and a five-star app store rating.

Project management & delivery
Strong

Across dozens of reviews, clients confirm on-time delivery, adherence to milestones, and structured sprint-based workflows. One anchor review noted four-week delivery sprints and milestone-based payments; only two older reviews mention schedule sub-ratings below 4.0.

Communication & collaboration
Strong

Clients repeatedly praise 24-hour response times, use of Basecamp for collaboration, and proactive updates via email, Zoom, and phone. Responsiveness across time zones is highlighted in multiple reviews, with only one isolated complaint about communication gaps.

Reliability
Strong

A consulting firm review notes a five-star app store rating with infrequent crashes and strong stability metrics. A manufacturing client reported only a single beta error. One older review describes recurring bug cascades, but this pattern is not corroborated elsewhere.

Client satisfaction & outcomes
Strong

Tangible outcomes include millions of app downloads, 70 signed SaaS members, 100,000+ satisfied users, and Forbes Top 10 recognition. Multiple long-term and repeat-client engagements signal strong ROI and cost-to-quality satisfaction across diverse verticals.

Location and contacts

United States, Nashua
20 Trafalgar Square, Suite 500
03063
+60 3 8819200
United States, Boston
745 Atlantic Ave.
02111
+855 92 627 77
United States, New York
33 Irving Place
10003
+33 2 22 03 90 0

Major clients

Verizon
Microsoft
John Hancock
Liberty Mutual
BBC America
Chatsworth Products
Align Communications
Flint Group
City of Lowell
Management Sciences for Health
APR Energy
The Morning Star Company
Utz Quality Foods
American Hotel & Lodging
Volkswagen