Software Development Company

Quoin Inc.

Boston-area software consultancy building web, mobile and enterprise applications for clients from startups to large enterprises

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TrustList summary

Quoin, Inc. is a technology consultancy that has built web, mobile and enterprise applications since 1994. It describes itself as a boutique firm and works with clients ranging from startups to very large global organisations. Its offices are in Boston, Charlotte, New York City and Washington DC.

What Quoin, Inc. offers

Application development: web, mobile and enterprise software for demanding workloads.
Analytics and data management: systems for handling and analysing client data.
Consulting: guidance on processes and tools alongside the build work.
Embedded or independent teams: project teams that work alone or alongside client staff.

Who it works with

Clients in ecommerce, retail, financial services, media and government, from startups to global enterprises. Past work includes a real estate listing service and the modernisation of a telecoms company's enterprise platform.

Key facts

Based in: Boston, Massachusetts, USA
Founded: 1994
Team: more than 50 professionals in design, project management and development
Other offices: Charlotte, New York City, Washington DC

Summary written by TrustList from the business's own published information, Oct 2026.

Categories & features

Quoin Inc. rankings

Quoin Inc. is ranked on 2 TrustList rankings: #22 on 1 and #23 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Quoin Inc. has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Software development company · 2 rankings

On each of these it sits behind Antech Sytems, ahead of Mercury Development.

#22of 618
United states of america
It is the only one of the top 85 here listing ajax and one of 9 here listing CSS3.
Of the top 85 here, 53 also cover web development and 47 also cover mobile app development; 2 also work in New York and 2 also work in Bengaluru, India.
#23of 506
United states
It is one of 5 here listing java and one of 6 here listing HTML5.
Of the top 62 here, 18 also cover android and 15 also cover web design; 2 also work in Minnesota.