The Best C Sharp (C#) Software Development Companies in The Mile High City

Looking for a top C Sharp software development company in Denver?

The programming language C Sharp (C#), is general-purpose and used for web and mobile apps. It has a number of advantages: It's object-oriented, has automatic garbage collection, functions across platforms, has backward compatibility, and integrates well with other platforms and services.

To assist you in your search for a partner, we’ve compiled this list of the top C# developers in Denver. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.

List of the Best Denver C Sharp (C#) Software Development Companies

  • 1

    Paralect

    Paralect is a software development house founded in 2009. They're based in Longmont, Colorado, but they have an additional office in Minsk, Belarus. Their 100-person team serves clients in the finance, education, and health sectors. They specialize in custom software development. 

    Notable Project

    Paralect continues to develop a React-based platform for a copywriting SaaS startup. They were initially given a test project and later retained to be a permanent development partner. The solution they delivered has acquired increasing amounts of traffic.

    "I was impressed with their ability to write code that could handle large amounts of traffic." — Co-Founder, Copywriting Feedback Platform

    Former clients
    Robomongo
    goLance
    SmartAlto
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place Longmont, CO
    4.8
    4.8
    8 Clutch reviews
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  • 2

    Gorilla Logic

    Gorilla Logic provides nearshore Agile teams to Fortune 500 and SMB companies, bringing unparalleled expertise in the delivery of full-stack web, mobile, and enterprise applications. Founded in 2002 and headquartered in Broomfield, Colo., they have over 500 employees and development centers in San José, Costa Rica and Medellín, Colombia. 
     

    Notable Project

    Gorilla Logic provided a team of developers to help build a new software platform for an HR software company. Using Camunda and GraphQL they have worked to develop a back-end system on Apache Kafka.

    “Gorilla Logic has delivered exceptional resources that have increased the speed of development and improved the production timeline.” – Director, Human Resource Company

    Former clients
    Finish Line
    MedTronic
    NBCUniversal
    $ $ $ $ $
    equalizer $250,000+
    group250 - 999 Employees
    place Broomfield, CO
    4.8
    4.8
    16 Clutch reviews
  • 3

    MOST Programming

    MOST Programming is a technology business established in 2016. They have about 2 employees that serve mostly middle-market businesses in the legal, IT, and business services sector. MOST Programming is located in Denver. Services include custom software development, BI & Big Data Consulting, and web development. 

    Notable Project

    MOST Programming built a law firm's website from scratch. The site automated client information searches and the feedback feature. They focused on backend development because the law firm already had the UI design in place, which the team also redesigned. The site received positive user feedback. 

    "Hire them." - Attorney, Law Firm

    Former clients
    U.S. Travel Association
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place Denver, CO
    4.8
    4.8
    11 Clutch reviews
  • 4

    Surge – a Catalyte company

    Surge Software is a software development agency headquartered in Bellevue, WA, with other offices in Sacramento, CA, Baltimore, MD, and Salt Lake City, UT. The agency of 160+ employees provides custom software development, web development, mobile app development, and e-commerce development services.

    Notable Project

    A consulting firm hired Surge Software for web development and UX work. The agency provided staff augmentation across different platforms. The consulting firm felt that Surge was responsive and that its work has been extremely valuable to the company. 

    "I’m comfortable in the knowledge that if issues arose with any team member, I could talk honestly with Surge and they would remedy the situation. Be open, articulate your goals, and they will work with you to provide solutions." – Director of Software, Management Consulting Firm

    Former clients
    Ralph Lauren
    Verizon
    UnderArmor
    Purdue University
    $ $ $ $ $
    equalizer $50,000+
    group250 - 999 Employees
    place Englewood, CO
    4.8
    4.8
    5 Clutch reviews
    Awards

    Inc. 5000 Fastest Growing Companies (2012-2018) , Stevie Awards: Bronze - Company of the Year - Computer Software (2014)

  • 5

    Switch Software Solutions

    Switch Software Solutions is a custom software development house based in Montevideo, Uruguay. Founded in 2009, their team of 25 serves clients in the communications and banking industries. Services include .NET, Oracle, Spring MVC, SQL, JavaScript, Java, Windows, and Linux development.

    Notable Project

    Switch Software Solutions design, developed, and iterated a website for an advisory firm. The team was responsive and truly cared about delivering results for their client.

    “They consistently simplify the process and handle the development without making our lives difficult.” - Business Development Manager, Advisory Firm.

    Former clients
    Verifone
    Allied World
    Odyssey Re
    Chargify
    Sodexo
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place Denver, CO
    5.0
    5.0
    4 Clutch reviews
  • 6

    Pell Software

    Pell Software is a custom business software developer based out of Denver. Founded in 2019 and with about 5 team members, they focus on custom software development and website development mainly for small businesses in manufacturing, e-commerce, automotive, and financial industries. 

    Notable Project

    Pell Software developed a custom software solution for a SaaS company, syncing it with QB Enterprise Desktop and Sage 100 Contractor. Their work was crucial for the correct functioning of the software to users across the entire U.S. Highlights include their thoroughness in gathering requirements as well as their punctuality.

    "Pell Software has created incredible applications that keep getting better based on our clients needs and requests." – Founder, SaaS Company

    Former clients
    Aegion
    Building & Earth Sciences
    UJam Fitness
    $ $ $ $ $
    equalizer $1,000+
    group2 - 9 Employees
    place Denver, CO
    5.0
    5.0
    4 Clutch reviews
  • 7

    Devetry

    Devetry is a Denver based software solutions firm. They were founded in 2015 and have a team of 25 employees who specialize in custom software development, mobile app development, and UX/UI development for small business and midmarket clients in the education, healthcare, and state industries.

    Notable Project

    Devetry built an MVP for a performance marketing company. They created a newer, scalable version of the client’s old technology. They worked on the UX, frontend, and supporting middleware tech to create the new product. The client was happy with the collaboration, and said that Devertry was trustworthy and communicated well.

    “They care a lot and aren’t just there to build the technology. They’re there to be a part of the entire strategy.” – Product Manager, Performance Marketing Company
     

    Former clients
    OrthoFi
    Health Sqyre
    Adcellerant
    $ $ $ $ $
    equalizer $50,000+
    group10 - 49 Employees
    place Denver, CO
    4.9
    4.9
    10 Clutch reviews
  • 8

    JetSoftPro

    JetSoftPro is a software development agency that was founded in 2003. Based in New York, their team of 48 specializes in custom software development, IT strategy consulting, and product design. Their client base is mainly composed of midmarket companies.

    Notable Project

    A hedge fund company needed expert technical support to assist with production efforts. They hired JetSoftPro to provide programming support in the service of creating a mobile app. In addition to development, the team provided UX/UI design to enhance the app's look and feel. The results of their work vastly exceeded the client's expectations. 

    "JetSoftPro’s valuable solutions and suggestions improved the quality of each of our products."–CTO, Hedge fund Company 

    Former clients
    Prezzo
    bvblogic
    Consolidate
    innocode
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place Denver, CO
    4.8
    4.8
    22 Clutch reviews
  • 9

    Bayshore Solutions

    Bayshore Solutions is an end-to-end digital agency based in Tampa, Fla. with an office in Denver. Founded in 1996, their team of more than 10 with teams that provide brand storytelling, web design, and development, e-commerce, digital marketing, creative and hosting solutions. 

    Notable Project

    Bayshore Solutions completed two corporate websites for a software company in a timely manner, working within the established timeline and overcoming all blockers. The team also addressed any issues that came up after the launch and has completed additional requests since the project’s completion.

    “Bayshore was able to complete the project well within the expected time frame and with expected results.” — Director of Marketing and BizDev, Software Companies

    Former clients
    Immix
    Patra
    Coverall
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place Denver, CO
    5.0
    5.0
    4 Clutch reviews
  • 10

    Brainspire Solutions

    Parker, Colorado-based software development company—Brainspire Solutions— provides committed software development services to Colorado clients. Founded in 2013, the 24 person company provides custom development on-site to their clients, including custom application development, data and business intelligence, portals and websites, application integration, and mobile development.

    Notable Project

    Brainspire Solutions developed uniquely customized solutions for their transportation client. They identified the essential requirements based on an acute understanding of their client’s market, which resulted in positive customer feedback and continued collaboration.

    The in-house team can perform regression testing in a few minutes, and it takes significantly less time to release new website features. Brainspire’s commitment and ability to quickly become part of a team made them a reliable partner. -Project Manager, Transportation Company

    Former clients
    Vail Resorts
    Pulte Mortgage
    Frontier Airlines
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place Parker, CO
    5.0
    5.0
    3 Clutch reviews
  • 11

    People Productions

    People Productions is a B2B content marketing firm based in Boulder, Colorado. Its roughly 15-person team includes video producers, writers, and animators, as well as full-stack developers. While it offers a range of content options, People Productions specializes in video production and digital development, including mobile apps and website creation. The majority of its clients are enterprise and midmarket businesses, and it has worked with many healthcare companies 

    Notable Project

    A Denver financial technology firm hired People Productions to create a 2-minute animated video that could function both as general marketing and an introduction for investors. People Productions was able to turn highly technical material into appealing content. The video was well received for its production value.

    "The quality of their work is superior to the other video productions companies we had seen. They exceeded expectations and were able to take a simple script and transform it into a compelling story." - Communications Director, FinTech firm

    Former clients
    Teletech
    Elekta Monaco
    UpSync
    Case Logic
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place Boulder, CO
    5.0
    5.0
    1 Clutch review
  • 12

    Volare Systems

    Volare Systems is a software development company founded in 2009 in Highlands Ranch, Colo. Their 3-person team offers development for custom software, web, and mobile apps. They primarily serve enterprise and midmarket clients in various industries: e-commerce, telecommunications, nonprofit, retail, advertising, business, and education.

    Notable Project

    A public school district hired Volare Systems to build a custom web-based platform to implement a new curriculum management system. Providing resources on a task-by-task basis, they programmed the app, designed the browser interface, and added a recommendation feature. The client has received positive feedback for Volare’s work.

    “Volare did a solid job of translating business requirements into a solution that gained wide acceptance among the educators at our district.” – CIO, Public School District
     

    Former clients
    US Air Force
    AT&T
    Amerit Fleet Solutions
    Jeffco Public Schools
    Larimer County
    $ $ $ $ $
    equalizer $25,000+
    group2 - 9 Employees
    place Highlands Ranch, CO
    4.8
    4.8
    5 Clutch reviews
    Awards

    Thervo Best Web Developers in Denver

  • 13

    SoftProdukt

    SoftProdukt is a software engineering company located in Denver. Founded in 1986, they currently have about 8 employees. They provide web, custom software, and IoT development services to midmarket firms and small businesses in government, financial services, and the gambling industry. 

    Notable Project

    SoftProdukt provided development services, coding in a Django framework with Python for a data analytics company. They managed application analytics as well as UX/UI design efforts. They offered valuable expertise and produced deliverables efficiently. 

    "Their capabilities and skills are very good." — Founder & CEO, Data Analytics Company

    Former clients
    Central Mining Institute
    KONAR
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place Denver, CO
    5.0
    5.0
    2 Clutch reviews
  • 14

    BlueModus

    BlueModus is a technology agency based in Denver. The agency, founded in 2001, has more than 75 employees and provides web development, custom software development, e-commerce development, and IT strategy consulting services. BlueModus serves mid-market and enterprise companies in various industries that include business services, financial services, and medical. 

    Notable Project

    A medical device company hired BlueModus to manage and maintain their website and their intranet. For a web migration project of the company, BlueModus designed and developed the corporate website and then helped consolidate 130 domains into one that website. BlueModus completed that project and continues to provide technical services and support to the company.

    "They’re really great at anticipating what our needs are and staffing on their side to support us." - Digital Marketing Manager, Medical Device Company

    Former clients
    Alzheimer's Association
    American Health Law Association
    Aon
    Amgen
    $ $ $ $ $
    equalizer $50,000+
    group50 - 249 Employees
    place Denver, CO
    4.8
    4.8
    3 Clutch reviews
  • 15

    Neudesic

     Neudesic is a technology company with offices in Irvine, CA, Atlanta, GA, Chicago, IL, Irving and Houston, TX, Denver, CO, Las Vegas, NV, Exton, PA, Tempe, AZ, Portland, OR, New York, and India.  It specializes in big data consulting, custom software development, cloud consulting, and mobile app development. The agency of more than 800 employees was founded in 2002. Most clients work in the healthcare, energy, and gaming industries. 

    Notable Project

    Neudesic upgraded a recipe website to an efficient Cloud platform.  The system makes available to users a variety of easily accessible recipes, reviews, videos, and shopping lists. These content offerings are customized and can be set to fit users' specific preferences. The website has been growing consistently since Neudesic began their involvement. 

     

    Former clients
    Hasbro
    American Cancer Society
    Hyatt
    Xerox
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place Denver, CO
    4.0
    4.0
    1 Clutch review
    Awards

    Microsoft Gold Partner , Nintex Partner Awards: Business Acceleration (2016, 2017)

  • 16

    LinkingLogics.com

    LinkingLogics.com is a software company founded in 1980 in Loveland, Colo. Their team of no more than 50 specializes in IT staff augmentation, custom software development, and web development solutions for small and mid-market businesses alike.

    Notable Project

    LinkingLogics.com provided software support and training services for an executive recruiting firm. The system was to track clients’ information and communication. LinkingLogics.com helped the firm manage over 30,000 records in the system.

    “We can always get a hold of someone who knows what they’re talking about and that can solve our problem.” - CFO, Executive Recruiting Firm

    Former clients
    Hire Excellence, Inc.
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place Loveland, CO
    5.0
    5.0
    3 Clutch reviews
  • 17

    Elasticis

    Elasticis is a data science and AI-based software development house with a core team of under 10 employees working out of Englewood, Colo. Since 2018, they've offered a range of services, including web development, mobile app development, and AI. Their clientele consists exclusively of small businesses.

    Notable Project

    An early-stage startup approached Elasticis to create a web app that can record and analyze eyes-on-task job information. After standardizing information input, they applied analytics to specific input fields to synthesize data. While technically proficient, it was the team's drive to deliver solutions that best meet their clients' goals that stood out.

    "In my eyes, they’ve gone above and beyond just delivering my product. They seek to understand the purpose of what I’m trying to do and offer me different ways to accomplish those goals." – Founder & Owner, Early-Stage Startup

    Former clients
    Well Information Technologies
    $ $ $ $ $
    equalizer $1,000+
    group2 - 9 Employees
    place Englewood, CO
    5.0
    5.0
    2 Clutch reviews
  • 18

    Synoptek

    Synoptek is a global systems integrator and managed IT services provider headquartered in Irvine, Calif., with additional offices across the U.S. and in New Brunswick, Canada; Ahmedabad, India; and Pune, India. Founded in 2001, they have more than 650 employees that specialize in IT managed services, cybersecurity, and cloud consulting & SI. Synoptek primarily serves midmarket clients in a variety of industries.

    Notable Project

    Synoptek developed a new accounting system and provided subsequent training. They also automated different components of the financial reporting process. They delivered a successful improvement over the previous system.

    "They did a great job. We set budgets from the beginning and they managed through detailed project management to stay on budget. They always met the deadlines. " – VP of IT and Innovation, Member Association

    Former clients
    Champion Home Exteriors
    Vision Solutions
    Philips
    SiriusDecision
    $ $ $ $ $
    equalizer $50,000+
    group250 - 999 Employees
    place Devner, CO
    5.0
    5.0
    2 Clutch reviews
    Awards

    Octane’s High Tech Awards 2020 Finalist , After Nines Inc.’s ChannelE2E Top 100 Vertical Market MSPs 2020 , Channel Futures MSP 501

Tell us about your project
NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

TELL US ABOUT YOUR PROJECT