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Conversion Optimization Company

21st Century Technologies, Inc.

Colorado web design, local SEO and custom software firm for small and mid-sized businesses

21st Century Technologies, Inc. cover

About 21st Century Technologies, Inc.

A Colorado technology company that predates the web

Founded in Denver, Colorado in 1993, 21st Century Technologies began by writing custom database software, some years before the World Wide Web existed. Its founder had earlier worked at NORAD, designing mission-critical hardware, software and communications for the US Air Force, and formed the company to bring that kind of success-critical work to private-sector clients. When the web arrived, the firm moved into it quickly, and it says its grounding in the underlying technologies is what let it take advantage of what the internet offered.

Local search marketing

Its current work centers on local SEO. The company aims to place a client's site in the top positions of search results, including the Google Business Profile map listings, organic results and paid positions, using local citations, reviews from customers and content written to convert visitors. It also provides pay-per-click advertising, in which it tests keywords and wording to find what converts best and then carries the winners into the website and other channels, and integrated social media marketing.

Websites for desktop and mobile

The firm builds search-friendly websites for desktop and mobile with the aim of increasing sales and lead generation. For mobile it names technical points many companies overlook: content distribution, fast page loading, usability, error-free code and compatibility across browsers. WordPress is a specialty, and the founder is the author of a book on WordPress sites for business.

Custom software

The original business continues as custom database and software development, supported by a published checklist for planning a software project and short case studies of past builds.

Examples it gives

The site describes a New York law firm that began with no online presence after a former marketing company took its site down, and which was given a new site and more leads within four months. It also describes an Atlanta decorative concrete firm expanded to sixteen cities through a new site and Google Ads, a Canadian furnace repair company that reached the first local map position in Calgary and Edmonton, a Colorado antique mall whose rebuilt site took most of the first page for its main keyword, and a CAD file translation software company.

The company also states that it holds an A+ rating from the Better Business Bureau.

TrustList summary

21st Century Technologies, Inc. is a technology company from Colorado, established in 1993. It began as a custom database software developer before the web existed and later moved into websites and online marketing. The founder, Michael Cordova, previously built systems for the US Air Force at NORAD.

What 21st Century Technologies, Inc. does

  • Local SEO: It works on Google My Business listings, citations, reviews and content to win local search positions.
  • Websites: Desktop and mobile sites built for lead generation and sales.
  • Pay-per-click advertising: Keyword and content testing, then rollout across channels.
  • Search engine optimisation: Organic marketing to bring in visitors.
  • Custom software: Database applications built to order.
  • Social media marketing: Integrated with the other marketing work.

Who it serves

Case studies cover a law firm, a decorative concrete company, a furnace repair business and an antique gallery.

Key facts

  • Based in: Denver, Colorado
  • Founded: 1993
  • Rating: Reports an A+ BBB rating

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

Categories & features

21st Century Technologies, Inc. rankings

21st Century Technologies, Inc. is ranked on 3 TrustList rankings: #2 on 1, #4 on 1 and #5 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. 21st Century Technologies, 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.

Conversion optimization company · 3 rankings

  • #2of 92
    United states of america

    It is one of 8 here listing education and one of 15 here listing medical.

    Of the top 54 here, 24 also cover eCommerce and 23 also cover business services; 2 also work in York.

    Behind Devtorium, ahead of Kat & Mouse Co..

  • #4of 98
    Media

    It is one of 32 here listing business services.

    Its profile: “It also provides pay-per-click advertising, in which it tests keywords and wording to find what converts best and then carries the winners into the website and other channels, and integrated social media marketing.”

    Of the top 79 here, 40 also cover SEO and 25 also cover advertising; 3 also work in London and 2 also work in Toronto.

    Behind Converg Media, ahead of 39 Celsius Web Marketing Consulting.

  • #5of 168
    Business services

    It is one of 23 here listing education and one of 27 here listing medical.

    Of the top 81 here, 35 also cover consumer products & services and 31 also cover advertising & marketing.

    Behind Bloomreach, ahead of 39 Celsius Web Marketing Consulting.

As of 2026-11-15. Organic ranks only; sponsored placements are never ranks. How TrustList ranks

What the business tells TrustList

Founded
1993 (33 years) evidence sent

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