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About Us

Brandon and Courteney Wanamaker Matt DeLong and wife Downtown Tennessee CoreCommerce Award CoreCommerce Poker Fun CoreCommerce Retreat Nikita Makeyev CoreCommerce Staff Meal

Work. Meet. Learn. Connect.


Founded May 2001
Based in Franklin TN
100+ Integrations
70+ Countries
13,000+ Stores

Build in Nashville TN

Management Team

Matt DeLong President/CEO

Matt founded Sum Effect in 2001 and launched CoreCommerce in 2008. As CEO, he built CoreCommerce into a successful e-commerce business that powers over 13,000 online stores.

Matt's background as a programmer has been a driving force behind the company's growth and development. A lifelong entrepreneur, Matt has started 17 businesses and enjoys the learning process that comes with it.

Besides working on developing new projects and features, Matt enjoys sailing, robotics, and watching movies with his wife and two daughters.

Vance Lawson COO/Executive Vice President

Vance joined SumEffect in May 2012 as the Executive Vice President and Chief Operating Officer after serving on the Board of Directors since 2004.

A graduate of Kansas State University with over 30 years of management experience, Vance is passionate about encouraging growth in people and organizations. After hours, you can find him keeping up with his wife and nine grandchildren, reading and planning his next international missions trip.

Vance's secret powers are making balloon animals and being awesome at Words with Friends.

Nikita Makeyev Director of Development

Nikita is the Director of Development and has been with the company since 2006.

He graduated from Full Sail University in 2006 and is comfortable in numerous programming languages.

Nikita brings an innovative, creative perspective to research and development.

He is an avid reader, into PC gaming and is fluent in Russian.

Nikita enjoys spending time with his wife, two cats and two dogs. He also recently started practicing kendo so we're well protected at the office.

Kris Graffagnino Director of Sales

Kris was the original hire for the company back in 2003 and has been around ever since.

He is a graduate of Louisiana State University and is the Director of Sales, with 11 years of sales expertise under his belt.

Kris is from New Orleans and is a huge fan of LSU and the Saints.

When he isn't hanging out with his wife and daughter, Kris loves playing video games, woodworking and staying healthy.

Terry Thomas Director of Support

Terry has been with SumEffect since 2005 as the Director of Customer Support, bringing over 20 years of management experience.

He is dedicated to customer satisfaction and leads our amazing customer support team. In addition to his expertise, he has a degree in Software Application Programming from ITT Tech.

Terry enjoys spending time with his son and daughter, playing the stock market, programming and playing guitar. He even jammed with Johnny Cash once, which makes him a legend around here.

Press/Buzz

CoreCommerce hits the headlines for all the right reasons!


2013 2012 2011 2010 2009 2008

CoreCommerce Announces Mompreneurs Rock! Contest Franklin, TN - May 07, 2013 - CoreCommerce, the leading e-commerce hosting solution, announced today that the company will host a Mompreneurs Rock! contest to empower moms in entrepreneurship. Beginning May 6, 2013, the contest will run until the end of the month and offer a variety of prizes. Read More

CoreCommerce Announces Special Offer For Growing Nonprofits Franklin, TN - April 30, 2013 - Nonprofits are a vehicle for change and doing good. At CoreCommerce, helping nonprofits use e-commerce software to grow is simply part of giving back. For a limited time, CoreCommerce is pleased to offer half off pricing for any e-commerce plan for qualifying 501 (c)(3) nonprofits. Read More

CoreCommerce Announces Newest Software Release Franklin, TN - March 28, 2013 - CoreCommerce, the leading e-commerce software company, announced the details of the newest software update. This release includes a combination of new features and integration updates, all of which are available to CoreCommerce customers. Read More

CoreCommerce merchants report an impressive 22% growth in 2012, with fashion and accessories as the fastest growing categories. Franklin TN. - March 19, 2013 - CoreCommerce, the leading hosted e-commerce solution, released new information on the company's merchant sales in 2012. Merchants who had been with CoreCommerce since 2010 saw sales increase in 2012 by an impressive 22% year over year. Read More

CoreCommerce Offers Veterans, Police and Firefighters an Entrepreneurship Opportunity Franklin, Tennessee (PRWEB) January 28, 2013 - CoreCommerce, the leading e-commerce shopping cart solution, is giving away a limited number of free online stores to military veterans, firefighters and police officers now through the end of February. This initiative was launched to encourage entrepreneurship among those who selflessly serve and offer an opportunity to start their own e-commerce businesses. Read More

CoreCommerce releases the newest software update, including an overhaul of the Setup Wizard shipping process. Franklin TN. - January 17, 2013 - CoreCommerce, the leading e-commerce software provider, announced the latest software update to the public. This release includes a more intuitive process to set up shipping options, one of the final pieces to complete the Setup Wizard redesign from the November 2012 release. Read More

Store Setup is a Wiz with CoreCommerce - Website Magazine Des Plaines, IL. - December 3, 2012 - Selling products on the Web can be intimidating for traditional brick-and-mortar merchants, especially for the ones without previous digital experience. Read More

CoreCommerce Introduces New Setup Wizard Franklin, TN. - December 2, 2012 - CoreCommerce, the leading hosted e-commerce shopping cart solution, has released more details on the newly designed Setup Wizard. Read More

CoreCommerce is a Top 25 Tech Company -- Nashville Post Nashville, TN. - November 14, 2012 - The Nashville area's most distinctive and fascinating IT entities deliver a certain innovation and impact, positively affecting various industry sectors and -- in the process - our region's economy. Read More

CoreCommerce Announces Newest Release, Featuring New Setup Wizard, Nivo Slider and PayPal Advanced Franklin, TN. - November 9, 2012 - CoreCommerce, the leading hosted e-commerce shopping cart solution, has just announced details of the newest release (8.8.94). The November release features more integrated payment options, such as the long anticipated PayPal Advanced, AsiaPay, Beanstream, Strongbox and POLi. Read More

CoreCommerce honored as Gold and Silver Stevie® Award Winner in 2012 American Business Awards Franklin, TN. - September 19, 2012 - CoreCommerce was presented with a Gold Stevie® Award in the Programming and Design and Silver Stevie® Awards in the Computer Software and E-commerce website categories in The 10th Annual American Business Awards September 17th. Read More

CoreCommerce Online Stores Now Integrate with Google Trusted Stores, CloudFlare Plus, DYMO™ Endicia© and Royal Mail Franklin, TN. - July 12, 2012 - July software release for America's premier all-in-one shopping cart creates competitive edge for clients on an international scale. Read More

Doeswhat.com Interview with CEO, Matt DeLong Franklin, TN. - May 20, 2012 - Doeswhat.com interviewed our CEO Matt DeLong and asked some interesting questions about the company's growth and future plans. Thanks Matt! Read More

CoreCommerce named as Finalist in 2012 American Business Awards Franklin, TN. - May 18, 2012 - CoreCommerce Software was named a Finalist in the Computer Software, Programming and Design, and E -Commerce Website categories in The 2012 American Business Awards, and will ultimately be... Read More

Scene Partner Casts CoreCommerce in New WebStore Role Franklin, TN. - March 30, 2012 - MyTheaterApps.com has chosen CoreCommerce, a leading e-commerce software solution for small and medium-sized businesses, to host its new Scene Partner WebStore. The store is slated to launch in May 2012... Read More

E-Commerce Solution CoreCommerce Introduces New Features FRANKLIN, TN - (PRWEB) - August 11, 2011 - Sum Effect Software, Inc. has announced new features of CoreCommerce, the e-commerce software solution for small and medium-sized businesses... Read More

CoreCommerce Named Finalist in Nashville Business Journal's 2011 Best in Business Awards FRANKLIN, TN - (NASHVILLE BIZ JOURNAL) - March 29, 2011 - We are excited to let you know, we have been named as a finalist in Nashville Business Journal's 2011 Best in Business Awards. In the "Best in Business" publication in the Nashville Business Journal, they will celebrate 24 outstanding companies in five size categories... Read More

BasketLady.com takes up a mobile offer from its e-commerce provider FRANKLIN, TN - (INTERNETRETAILER) - January 17, 2011 - However, when Katchs e-commerce platform provider, CoreCommerce, part of Sum Effect Software Inc., offered to help her create an m-commerce site for free and with little to no work on her end, she figured, why not?... Read More

CoreCommerce Named As Finalist in 2011 Stevie® Awards for Sales & Customer Service FRANKLIN, TN - (PRWEB) - January 15, 2011 - CoreCommerce was named a Finalist today in the Customer Service Department of the Year - IT & Telecommunications category in the fifth annual Stevie Awards for Sales & Customer Service... Read More

CoreCommerce First Ecommerce Solution to Offer Unlimited Bandwidth with No Transaction Fees FRANKLIN, TN - (PRWEB) - September 22, 2010 - Sum Effect Software, Inc. today announced their flagship product, CoreCommerce , now offers unlimited bandwidth plans with no transaction fees, starting at $49.99/monthly.... Read More

CoreCommerce Named to 2010 Nashville Area Chamber of Commerce Future 50 FRANKLIN, TN - (NASHVILLE CHAMBER) - September 2, 2010 - CoreCommerce has been named to the 2010 Nashville Area Chamber of Commerce Future 50. The 2010 "Future 50" represent the entrepreneurial spirit of the region, even in these challenging economic times... Read More

Portland State Student a Successful Business Owner FRANKLIN, TN - (DAILY VANGUARD) - August 30, 2010 - A successful online business owned by Amy Sandoz, a Portland State student... Read More

Social Commerce Apps Look to Turn Online Conversations into Sales FRANKLIN, TN - (PetskyPrunier, Deal Notes) - July 30, 2010 - With social network participants now more than half a billion strong, online merchants and software developers are scrambling to figure out how to harness social media's considerable buying power with compelling commerce applications that convert daily online conversations into sales... Read More

CoreCommerce & Facebook - Merchants Push Sales Through Social Media FRANKLIN, TN - (WALL STREET JOURNAL) - June 1, 2010 - After learning how to market themselves through tweets and status updates, some small companies are taking the next step: selling directly to consumers via social-networking sites. Merchants on Facebook and MySpace are adding e-commerce stores to their fan pages... Read More

CoreCommerce Named As Finalist in 2010 American Business Awards FRANKLIN, TN - (YAHOO! NEWS) - May 13, 2010 - CoreCommerce was named a finalist today in the Fastest-Growing Company of the Year in The 2010 American Business Awards... Read More

Building an Online Store with CoreCommerce FRANKLIN, TN - (ECOMMERCE-GUIDE.COM) - May 13, 2010 - CoreCommerce 7.9 is an all-in-one online hosted ecommerce platform by provider Sum Effect Software. This platform offers everything a merchant needs to launch an online store, including design tools to build the webshop, secure ecommerce web hosting, the shopping cart and invoice system, plus a nice selection of online marketing tools... Read More

CoreCommerce 7.9 Ecommerce Software Debuts FRANKLIN, TN - (ZIPPYCART.COM) - April 30, 2010 - CoreCommerce is a powerful ecommerce solution that frequently updates their software, so that merchants can have the most current tools and features to help them become successful as an online business... Read More

Guitar Retailer Offers Inventory on Facebook FRANKLIN, TN - (PRACTICALECOMMERCE.COM) - April 27, 2010 - What the CoreCommerce store tab offers is really great because, if we want to plug-in or promote a specific product or a special that we have, we can direct users to that product's home within Facebook. There's no need to leave Facebook, no need to click and get to an external link. It's just built right in there. We took specific interest in because it ties products and manufacturers names into Facebook search engine logic too... Read More

Sell Products on Facebook with CoreCommerce's "Social Commerce" Facebook Application FRANKLIN, TN - (YAHOO! NEWS) - April 21, 2010 - As a standard feature of Sum Effect's CoreCommerce software, an all-in-one e-commerce software platform, Social Commerce gives online stores the opportunity to tap into more than 250 million Facebook users using the site's selling potential... Read More

How to Sell Stuff on Facebook FRANKLIN, TN - (ONCOMP.COM) - April 9, 2010 - If you want an actual online store, there are many ways to go."Rock the Cradle" has an online store on Facebook CoreCommerce.com from Sum Effect Software helps you set up a store on your website and Facebook page... Read More

New CoreCommerce v7.8 Offers Online Merchants First-Ever Custom Logo Design Tool, Price Matching, Other Easy-to-Use E-Commerce Tools FRANKLIN, TN - (PRWEB.COM) - March 26, 2010 - Sum Effect Software, Inc., a leading provider of e-commerce solutions, today announced the debut of CoreCommerce v7.8 (www.corecommerce.com), the newest version of its #1 rated shopping cart solution that features a new, first of it's kind custom logo design tool, price matching feature and more easy-to-use features designed to put Fortune 500-style functionality in the hands of small business merchants... Read More

CoreCommerce Introduces New Online Marketing and Custom Design Services FRANKLIN, TN - (INTERNET RETAILER.COM) - March 22, 2010 - CoreCommerce, a leading provider of top rated e-commerce solutions, is now offering Custom Design Services for customers who want a unique, custom-built storefront, and Online Marketing Services designed to help customers compete more effectively online, maximize advertising results and drive more traffic to their sites with Pay Per Click (PPC) and Search Engine Optimization (SEO) programs... Read More

CoreCommerce Adds Free Mobile Shops to Platform FRANKLIN, TN - (ECOMMERCE-GUIDE.COM) - March 17, 2010 - In 2009, research firm ComScore, said that more than 234 million people in the States used a mobile device. Industry experts also peg the number of iPhone users at somewhere around 21 million and BlackBerry owners at more than 28 million. Read More

E-commerce tech providers offer m-commerce FRANKLIN, TN - (INTERNET RETAILER.COM) - March 12, 2010 Two more e-commerce tech providers offer m-commerce Sum Effect Software Inc. has become the latest in a growing line of e-commerce platform and systems vendors to introduce mobile commerce technology. The new version of Sum Effect's primary application, CoreCommerce 7.7, transforms an Internet retailer's e-commerce store content into a mobile-optimized format... Read More

CoreCommerce Named Finalist in Nashville Business Journal's 2010 Best in Business Awards FRANKLIN, TN - (CORECOMMERCE.COM) - March 11, 2010 - We are excited to let you know, we have been named as a finalist in Nashville Business Journal's 2010 Best in Business Awards... Read More

Clear Channel & GE use mobile-optimized storefronts FRANKLIN, TN - (MOBILECOMMERCEDAILY.COM) - March 11, 2010 - News Corp.'s Clear Channel Radio and General Electric have both debuted mobile-optimized online storefronts to expand their respective footprints and drive revenue. The companies tapped ecommerce service provider Sum Effect Software Inc., which recently unveiled CoreCommerce 7.7, the latest version of its shopping-cart platform featuring a mobile-optimized online storefront... Read More

CoreCommerce Unveils First Ever Mobile Optimized Online Storefront with v7.7. It Now Allows Merchants to Reach Millions of Consumers Anywhere, Anytime Via Smartphones and Cell Phones FRANKLIN, TN - (YAHOO! NEWS) - March 10, 2010 - Sum Effect Software, Inc., a leading provider of e-commerce solutions, today unveiled its new CoreCommerce 7.7, the latest version of its #1 rated shopping cart solution featuring the first ever mobile optimized online storefront, Mobile CoreCommerce™, which extends merchants online access to millions of smartphone and cell phone users... Read More

The CoreCommerce 7.7 Release: An Interview With President and CEO Matt DeLong FRANKLIN, TN - (ZIPPYCART.COM) - March 9, 2010 - CoreCommerce is ranked #1 of ZippyCart's Best Ecommerce Solutions of 2010, and we thought it was about time to catch up with President/CEO Matt DeLong regarding what has been going on lately at CoreCommerce. It was great timing for ZippyCart, as CoreCommerce is releasing their new 7.7 version of their ecommerce software solution, which includes a mobile optimized storefront that works across all smart phone platforms... Read More

Introducing CoreCommerce: Sell Online with Ease and Peace-of-Mind FRANKLIN, TN - (YOUNG ENTREPRENEUR.COM) - March 9, 2010 - So, you're ready to start selling your products or services online. You want something that's easy to understand. You want something that's feature rich. You want something that will help you get found. And you don't want to fork out hundreds of dollars upfront to get started. Then CoreCommerce, by Sum Effect Software, may just be your answer... Read More

CoreCommerce v7.5 Features New Drag-and-Drop Design, In-line Text Editing, Phone Order Integration FRANKLIN, TN - (INTERNET RETAILER.COM) - February 18, 2010 - Sum Effect Software, Inc., a leading provider of e-commerce solutions, today announced the debut of CoreCommerce v7.5, the latest version of its #1 rated shopping cart solution featuring a new drag-and-drop design mode that makes it even easier for merchants to design, launch and manage on online store... Read More

Interview with CoreCommerce CEO, Matt DeLong and CoreCommerce Client, Minnesota Workwear FRANKLIN, TN - (PRACTICALECOMMERCE.COM) - February 26, 2010 - This week, we'll hear from Matt DeLong, president and CEO of CoreCommerce. The company is based in Franklin Tenn., and its software has been used to create between 12,000 and 13,000 web stores, according to DeLong... Read More

Growing Up with E-Commerce on the Web - IT Unmasked FRANKLIN, TN - (IT BUSINESS EDGE.COM) - January 22, 2010 - One of the things that thousands of small businesses have come to realize when it comes to e-commerce after this most recent holiday season is that they need more control over their own destiny. The fact of the matter is that there are tons of small businesses that rely on e-commerce services from companies such as Yahoo. But in that model, each of those businesses is one of thousands that have to comply with the way Yahoo wants to them to sell online, versus having enough control over their online presence to start differentiating themselves... Read More

CoreCommerce is Chosen as a Finalist for the Stevie Awards 2010 Customer Service Department of the Year FRANKLIN, TN - (CORECOMMERCE.COM) - January 13, 2010 - CoreCommerce is one of a just a few finalist in the coveted 2010 Customer Service Department of the Year (IT) Stevie Award. They are learning what all CoreCommerce store owners already know about our outstanding customer service team... Read More

CoreCommerce 7.0 Delivers New Customer Shipping, QuickBooks, Product Option Capabilities To Online Retailers FRANKLIN, TN - (INTERNET RETAILER.COM) - January 7, 2010 - Sum Effect Software®, Inc., a leading provider of E-Commerce solutions, today announced CoreCommerce 7.0, bringing a number of enhancements that improve online retailing for shoppers and merchants alike. Leading the list of improvements in version 7.0 is a new nested drop-down product option capability that makes selecting specific merchandise easier; other additions include support for zone-based shipping as well as Intuit's QuickBooks Merchant Services... Read More

CoreCommerce Integrates with Checkout by Amazon for Online Merchants FRANKLIN, TN (PRWEB) April 30, 2009 -- CoreCommerce, a leading provider of ecommerce solutions, announced today that it has integration solutions using Checkout by Amazon, an Amazon Payments product... Read More

Non-Profit's Receive Free Ecommerce Software and Hosting with CoreCommerce FRANKLIN, TN (PRWEB) August 23, 2008 -- Sum Effect Software, Inc. is providing up to 20 free ecommerce hosting and software per month with CoreCommerce for eligible non-profit organizations... Read More

CoreCommerce and Sum Effect Software Revolutionize E-Commerce Marketplace FRANKLIN, TN (PRWEB) April 1, 2008 -- Sum Effect Software, Inc., a leading provider of e-commerce solutions, announced the release of CoreCommerce software-as-a-service e-commerce solution. CoreCommerce is the e-commerce solution for small and medium sized businesses. Providing them with all of the features to compete with the large internet retailers all through a standard web browser... Read More

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Some of our awards
  • Paid Vacation & Sick Time
  • IRA With Company Matching
  • Quarterly & Annual Bonuses
  • Flexible Hours
  • Health/Dental/Vision Insurance
  • Life Insurance
  • Short/Long Term Disability Insurance
  • On-going Education Opportunities
  • Casual Dress
  • Annual Company Retreats
  • Free Parking
  • Pizza Friday's