App Development Company

Inncrewin Technologies

Product engineering firm that builds and maintains SaaS products for tax, accounting and hospitality

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About Inncrewin Technologies

SaaS products built and maintained for software clients

Inncrewin Technologies says it has built seven successful SaaS products and many other applications in fifteen years, and offers to help clients create their own products. Its portfolio shows long-term relationships, in which it takes a product from prototype to scale and then keeps it running.

Tax and accounting software

The best known is SafeSend Returns, a tax return assembly and delivery system for accounting firms. The company says it is used by over thirty percent of the top 300 US tax firms, and that it won an innovation award from a trade magazine three years running. It is built on Microsoft .NET, React and Redux with SQL Azure and microservices. A related product, SafeSend, combines a client portal, file sharing and automated PDF encryption, with question-based authentication to avoid password confusion. Inncrewin wrote and maintains the PDF plugin, which was first written in C++ and then ported to C#.

Hospitality software

Insta Event Management is a sales, catering and CRM tool aimed at hotels, with built-in revenue management and a free event mobile app. It is used by independent and chain hotels around the world and integrates with property systems. Other hospitality titles include a meeting-room tool, a hotel review site and a gathering and meeting organizer.

Other products

The portfolio also includes a travel and holidays site, a meeting intelligence tool, a supply-chain application using blockchain, and health and finance products, each classified by the business domain where the firm built experience.

Technology

Most of the work uses Microsoft .NET, React, jQuery, SQL Azure and microservices on the Azure cloud.

TrustList summary

Inncrewin Technologies is a software firm that builds SaaS products and apps, both for itself and for clients. It reports around fifteen years in business and seven SaaS products built.

Services

SaaS product development: takes an idea from prototype to a scaled cloud product and continues to enhance it.
Tax delivery software: helped build SafeSend, a system for accounting firms to assemble and deliver tax returns, with a client portal and PDF encryption.
Accounting tools: a PDF plug-in, TicTie Calculate, for paperless workpapers.
Hotel software: Insta Event Management, a CRM, sales and catering system for hotels using AI and language processing.
Event booking portals: online meeting and event booking sold under two brand names for India and Italy.

Key facts

Technologies: .NET, React, Angular, SQL Azure, microservices
Hosting: Microsoft Azure
Experience: about 15 years

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

Categories & features

Inncrewin Technologies rankings

Inncrewin Technologies is ranked on 4 TrustList rankings: #6 on 1, #8 on 1, #18 on 1 and #23 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Inncrewin Technologies 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.

App development company · 4 rankings

#6of 55
Saas
It is the only one of the 55 here listing SQL and one of 2 here listing tax.
Its profile: “Inncrewin Technologies says it has built seven successful SaaS products and many other applications in fifteen years, and offers to help clients create their own products.”
Of the 55 here, 30 also cover eCommerce and 30 also cover android; 3 also work in Europe and 2 also work in New York.
Behind Simpleweb, ahead of Bitscorp.
#8of 10
Tax
It is one of 2 here listing hospitality & leisure and one of 3 here listing agile.
Its profile: “The best known is SafeSend Returns, a tax return assembly and delivery system for accounting firms.”
Of the 10 here, 8 also cover business services and 7 also cover financial services; 2 also work in Dubai.
Behind Huntington Studios, ahead of iSolutions Belgrade.
#18of 23
Sql
It is one of 2 here listing SaaS and one of 4 here listing accounting.
Its profile: “It is built on Microsoft .NET, React and Redux with SQL Azure and microservices.”
Of the 23 here, 20 also cover .NET and 19 also cover PHP; 2 also work in Houston and 2 also work in Nice.
Behind Infosoft C.A, ahead of Internet Ya.
#23of 30
Accounting
It is one of 9 here listing advertising & marketing and one of 17 here listing cloud.
Its profile: “The best known is SafeSend Returns, a tax return assembly and delivery system for accounting firms.”
Of the 30 here, 17 also cover cloud and 16 also cover medical; 2 also work in London and 2 also work in Hyderabad.
Behind Hunt & Hawk, ahead of Instasol Softtech.