The Kansas City Software Index

9 verified firms · Updated October 2026

Kansas City metro · Custom software development

9 Kansas City software companies that actually build software here

Most “best software developers in Kansas City” lists are padded with staffing agencies, marketing shops, and national firms renting the keyword. Several entries on the biggest directory have closed or been acquired. Every firm below builds custom software from the metro, and each one is listed with the evidence it was accepted on.

Active Logic publishes this index. We are listed first because we publish it. Every firm below met the same four criteria, and each is listed under the category it leads rather than ranked against the others.

  • Engineers employed in the Kansas City metro
  • Builds custom software for clients
  • No staffing or recruiting agencies
  • Independently operated

Software development companies in Kansas City

9 firms · Listed by what each one leads, not ranked against each other · Editorial and unpaid

  1. Active Logic

    Best overall

    Leawood, KS Est. 2014 30 engineers, all senior

    Enterprise and growth-stage custom software across healthcare, financial services, manufacturing, logistics, construction and education, with a Director of Engineering assigned to own each engagement from architecture through production.

    On the record Publishes "100% Senior, U.S.-Based Engineers" with "no offshore backfill," and was named #69 on the 2023 Inc. 5000 Regionals: Midwest list.

    • Enterprise
    • Modernization
    • AI/MCP

    Enterprise custom software, legacy modernization, CRM/ERP

    activelogic.com

  2. Keyhole Software

    Largest engineering bench in the metro

    Lenexa, KS Est. 2008 50+ KC developers (published 2024)

    The largest published engineering headcount of any independent firm in the metro, with enterprise Java and .NET modernization work and a long-running healthcare practice including Northwell Health.

    On the record Publishes the most explicit staffing commitment in the metro: "All Keyhole consultants are 100% U.S.-based W-2 employees of Keyhole Software. We do not outsource or use offshore contractors."

    • Java
    • .NET
    • Cloud

    Enterprise application development, cloud, legacy modernization

    keyholesoftware.com

  3. 27Global

    Most credentialed independent

    Leawood, KS Est. 2008

    Carries more third-party attestation than any other independent firm here, and runs engineering out of Kansas City, Denver and Chicago.

    On the record Publishes a SOC 2 Type 2 report from the AICPA, AWS Advanced Tier Services Partner status, Microsoft Solutions Partner for Digital and App Innovation, and Inc. 5000 listings in 2021 and 2023.

    • Data
    • Cloud
    • AWS

    Software, data and cloud engineering, IT consulting

    27global.com

  4. Crema

    Best for product design and strategy

    Kansas City, MO Est. 2009

    A design-led product consultancy with the strongest published client roster in the metro, weighted toward research, design systems and product strategy alongside engineering.

    On the record Publishes named case studies for JE Dunn Construction and Beazley Security, client logos including Lockton, H&R Block and NAIC, and states it is "based in Kansas City with team members across the U.S."

    • Product design
    • Research
    • Full stack

    Product strategy, design and full stack development

    crema.us

  5. Viagio Technologies

    Best for nonprofit and mission-driven work

    Kansas City, MO

    Merged with Code Koalas in May 2024 and now operates it as a sub-brand serving nonprofits and agencies, which gives the combined firm an unusually deep bench in mission-driven work.

    On the record Publishes named clients including Children's Mercy, WellSky, US Engineering and OpenDorse, with Hallmark, YMCA and the Global Orphan Project on the Code Koalas side.

    • .NET
    • Mobile
    • Drupal

    Custom software across web, mobile and integrations

    viagiotech.com

  6. Binary Noggin

    Best for Elixir and connected devices

    North Kansas City, MO Est. 2007

    A specialist shop with genuine standing in the Elixir and Erlang community, taking on IoT work and project rescues that generalist firms usually decline.

    On the record CEO Amos King serves on the board of the Erlang Ecosystem Foundation, which lists Binary Noggin among its sponsors.

    • Elixir
    • Nerves
    • IoT

    Elixir, IoT, project rescue and agile consulting

    binarynoggin.com

  7. Integrity Inspired Solutions

    Best for legacy modernization

    Leawood, KS

    A small firm with a specific and unusual niche: moving insurers and similar operators off AS/400 and RPG systems without stopping the business.

    On the record Publishes a legacy modernization case study in which "the team converted logic from RPG into a GraphQL-based API," after which the client "tripled their in-house developer staff."

    • AS/400
    • GraphQL
    • Modernization

    Custom software, MVP planning, agile coaching

    integrityinspired.com

  8. Early Software Studio

    Best for early-stage MVPs

    Kansas City, KS

    Rebranded from 918 Studio ("same team, same work, new name") and aimed squarely at founders who need a working product rather than an enterprise engagement.

    On the record One of the few firms in the metro to publish a fixed price range for its MVP work openly, and describes itself as "a small, senior team of designers, engineers and product leaders in Kansas City."

    • SaaS
    • AI products
    • Mobile

    MVPs, internal tools, SaaS and AI features

    buildearly.com

  9. PocketCake

    Best for mobile, AR and VR

    Blue Springs, MO

    A mobile and immersive specialist rather than a general consultancy, building VR simulations for architecture, engineering, medicine and emergency-responder training.

    On the record Publishes named clients including Sprint, HOK, AECOM, Populous, BNIM and the Museum at Prairiefire.

    • iOS
    • Android
    • VR

    iOS, Android and virtual reality development

    pocketcake.com

Who is not on this list, and why

Every exclusion below is sourced to the company’s own published material.

Firms that market as U.S.-based but engineer elsewhere

SoftDoes (Mission, KS) presents as a “US-Based Custom Software, AI & Cloud Partner.” Its location claim is worded “U.S.-Led Delivery,” and the founder’s own published essay describes “maintaining strong presence in Ukraine and Eastern Europe while expanding physically in the United States.”

Full Scale (Kansas City, MO) publishes its offshore model openly, with delivery staffed in the Philippines. Square Codex runs nearshore delivery from Costa Rica and Latin America behind a Kansas City address.

Staffing and recruiting agencies

A staffing agency places people; a software company delivers software. The two are not interchangeable and this index never lists the former, no matter how large. That removes Insight Global, TEKsystems, Experis, Adaptive Solutions Group and Talent Scout, along with firms selling contract-to-hire placement alongside development.

It also removes marketing agencies. One firm listed under “software developers” on the largest directory describes itself on its own site as “a full-service digital marketing agency.”

No longer independent, or no longer local

Valorem Reply is majority-owned by Reply S.p.A. of Italy and operates as part of the Reply Group. Tricension and Condado Group merged into One Primero, which publishes five global locations including Dubai, Amsterdam and LATAM. Both are still listed separately on the major directories.

Code Koalas merged into Viagio in May 2024 and appears here only within that listing, never as a separate firm.

Closed, but still listed elsewhere

illumisoft, a Kansas City healthcare software firm, closed in 2023. Its domain now belongs to an unrelated Canadian hardware company. Twisted Pair Labs has let its domain lapse entirely, with no DNS records remaining.

Both are still listed as active Kansas City software developers on the directory that ranks first for this search. That is the practical reason this index exists: a list nobody maintains quietly becomes wrong.

Further reading

How to Vet a Software Development Company

What to ask before you sign, how to tell a real engineering bench from a sales team, and the questions that separate a partner from a vendor.

Read it

Also in this series

The Onshore Index

The national edition: U.S. software development companies where every engineer is employed in America, with the evidence behind each listing.

Open it

The standard, in full

Engineers in the Kansas City metro

The people writing the code work here. A national firm renting a Kansas City landing page, or a sales office in front of a team somewhere else, does not qualify.

Builds custom software for clients

Staffing and recruiting agencies never qualify, including firms that sell contract or contract-to-hire placement alongside development. Neither do IT managed-service providers, marketing and web-design agencies, or companies selling their own product.

Published delivery evidence

Named clients or real case studies on the firm's own site. A capabilities page describing what a firm could do is not evidence that it has.

Independently operated

Not a branch office of a national or global outsourcer, and not owned by one. Acquisition by a parent with offshore delivery removes a firm from this index.

What we check

Every listing starts from the company’s own published statements about where its engineers work, cross-checked against office locations, careers pages, and corporate ownership. Where a firm does not publish a headcount, this index says so rather than estimating one.

What gets a company removed

Opening an offshore or nearshore delivery arm, subcontracting engineering to a foreign partner, or being acquired by a global outsourcing firm. Several well-known American consultancies were excluded on exactly these grounds.

What this index is not

It is not a pay-to-play directory and no company purchased its position. It is also not a claim that these are the only qualifying firms in the country, only that these were verified against the standard above.

Corrections

If a listing is out of date, or your firm meets the standard and is missing, the entry can be reviewed and revised. Accuracy is the only thing this page is for.

Common questions

What are the best software development companies in Kansas City?
Active Logic (Leawood, KS), Keyhole Software (Lenexa, KS), 27Global (Leawood, KS), Crema (Kansas City, MO), Viagio Technologies (Kansas City, MO), Binary Noggin (North Kansas City, MO), Integrity Inspired Solutions (Leawood, KS), Early Software Studio (Kansas City, KS), PocketCake (Blue Springs, MO). Each firm builds custom software for clients from the Kansas City metro, and each listing publishes the evidence it was accepted on. Staffing agencies, marketing agencies and firms with offshore development teams are excluded, and the reasons are published alongside the list.
Which Kansas City software company has the most developers?
Keyhole Software publishes the largest engineering headcount of any independent firm in the metro, reporting over 50 Kansas City-based software developers as of 2024, a figure that excludes staff outside the metro and business operations. Active Logic, which publishes this index, employs 30 engineers. Most other firms in the metro do not publish a headcount at all, which is noted in each listing rather than estimated.
How do you tell a real Kansas City software company from a national firm renting the keyword?
Check where the engineers are employed rather than where the office is. Many firms that rank for "Kansas City software development" have no presence here at all, and several that advertise a US-based team run their engineering abroad. Read the noun the adjective attaches to: "U.S.-led delivery" and "U.S.-based delivery managers" both describe an account layer, not the people writing code. The careers page is usually the tell, because that is where a firm has to say honestly where it hires.
Why are some well-known Kansas City firms missing from this list?
Several are excluded on published evidence. Staffing agencies do not qualify regardless of size. Valorem Reply is majority-owned by Reply S.p.A. of Italy. Tricension and Condado Group merged into One Primero, which now operates across five global locations. Full Scale and Square Codex publish offshore and nearshore delivery openly. Other firms still listed on directory sites have closed or let their domains lapse.