Welcome to Sigma
Sigma's mission is to deliver superior outsourcing services and professional solutions to world market. The key executive team has extensive managerial and technical
experiences in top-notch networking companies: Juniper, Cisco, IBM, Sun,
and Extreme Networks.
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What can we do for you ?

Focus Area: Networking, Security,
   Telecom, Wireless
Coverage: Manual, Automation, System Performance
Effective and proven project 
   Management
The First Commercial Automation  Framework in the industry
Expandable SDK and Control Libraries
CLI and GUI Test Automation Support
Large Scale System Level Test
Thorough Security Test
Comprehensive Performance Test
Training
Software Module Customization (Design, Implementation and Testing)
Adhering to Customer's Guideline
Software Development Using Sigma's IP Library
Customer Testimonial
I would like to personally extend my appreciation to the Sigma team for their stellar work. Its been a great experience working with you in the past few month......
QA Manager of a company identified by IDC as Market Leader in IPAM/DNS appliance
I would like to extend to you and the team my highest appreciation for the level of support you have done on this project, with your commitment and support, I......
Senior Project Manager of a Public company in leading Internet Security Solutions
Sigma are doing beyond what they were paid for, …, but I also encouraged to see Sigma can make the working model more scalable and more efficient.
Senior QA Manager of leading provider of high end IP network infrastructure and security products
The testing you did is very detail. The information helps our RD (to know something they didn’t notice.) It significantly improve our RD's productivity.Than......
Lead engineer of a Public company in leading Internet Security Solutions
Thanks for Sigma engineers’ excellent work. You help us to finish that task so fast.
Lead engineer of leading provider of high end IP network infrastructure and security products
The bugs quality and amount are kept great trend in last several releases. Your great job is very helpful it ensure us release high quality product to our cus......
Lead engineer of leading provider of high end IP network infrastructure and security products
Thank Sigma for the great jobs on latest projects. The results and tests you have done are good. ......
Senior of a Public company in leading Internet Security Solutions
I would also like to extend my appreciation to Sigma's engineer - thanks for the prompt and detailed response.With these valuable information we can easily ge......
Manager of leading provider of high end IP network infrastructure and security products
Thank Sigma very much for your quick actions. I reviewed the log and the code, they look very good. In addition to the improvement we requested, I noticed you......
US-based lead engineer of leading provider of high end IP network infrastructure and security products
Sigma are really committed to perform beyond our stretched goal. We had prepared a hit to wait for them building a VoIP lab from scratch and transferring doma......
Global VOIP solution and equipment vendor
With Sigma's great working, it is hard to find out high failure features in recent running, your are testing very proficient. Also,please work on following fe......
Manager of leading provider of high end IP network infrastructure and security products
It’s a great experience for both of us to learn how to cooperate with each other and the lesson learned is valuable for future cooperation. We very appreci......
QA leader of a Public company in leading Internet Security Solutions
In this release testing, lots of bugs and scripts issues are found. Thanks for Sigma engineer's hard working!
Lead engineer of leading provider of high end IP network infrastructure and security products
Thanks for the those valuable feedback and certainly our company has also learned a lot from the cooperation between 2 companies. Another key point I would l......
Senior Project Manager of a Public company in leading Internet Security Solutions
Thanks for working hard on testing the release candidate and delivering the test reports in time last week, which enables us to make the release on schedule.
Senior QA Manager of leading procider of Internet Security Solutions and Service
I am also looking forward to working together. I really like the status spreadsheet made by Sigma, the status report give me a comprehensive of the project.Th......
Manager of leading provider of high end IP network infrastructure and security products
Congratulations on completing the analysis on (####) platform with ####. Thank Sigma team again for your hard work, and your analysis reports also looks great......
US-based senior engineer of leading provider of high end IP network infrastructure and security products
Thank you very much for the hard work.  We are glad to see the project is going well.
US-based senior engineer of leading provider of high end IP network infrastructure and security products
I want to thank Sigma guys from the bottom of my heart for your dedication and handwork! You guys can get some rest now if you have finished everything you se......
Senior QA Manager of leading procider of Internet Security Solutions and Service
Glad that we’ve started two projects with Sigma. We are impressed with its normative development processes, and our president agreed on further cooperation ......
Test manager of a leading provider of performance test systems for IP-based infrastructure and services
Hi Li: You are one of best defects hunters in 6.10 testing which was successfully released in 2Q, 2007. Hardworking and good communication as well as e......
Project manager of a global leading company in providing integrated communications solutions and embedded electronic solutions
I was very pleased with my visit - the team seems very strong, and I was impressed with the facility and Sigma's efforts to make sure that staff is well train......
Vice President of engineering of a company that is a global provider of ENUM-based IP-application routing directory, DNS, and DHCP solutions
I’m really appreciated for Sigma team's warm hard work and co-operation.
Lead system engineer of a major network testing equipment vendor in United States
I feel that your team did the test case development very quickly and some of the test cases were designed very well.
QA manager of leading provider of high end IP network infrastructure and security products
Thank the Sigma team for the great work you did contributing to this release, and every single releases for difference release since the project started last ......
Senior QA Manager of leading procider of Internet Security Solutions and Service
I just received the good news that all our verification of the scripts you have provided us has been completed and they all pass successfully. Great job! Than......
Senior manager of leading provider of high end IP network infrastructure and security products
Thanks your great work to find out critical bugs.
Manager of leading provider of high end IP network infrastructure and security products
Hi, Sigma Team,Both of you did a tremendous job here at our facilities. We all appreciate your great effort. I hope both of you enjoyed your stay here the ......
VP of Engineering of leading provider of data center technology
I appreciate all your detailed emails with the updated status and any known issues.Please thank your entire team for all their hard work.
Senior PM of leading provider of data center technology
Our difference
Silicon Valley engineering expertise, Quality Focus, and Global Presence

We know the software engineering life cycle, test tool development, offshore facility setup, engineering infrastructure, and test technology. Our combination of products, services, and solutions scales from outsourced test execution, to outsourced QA. We deliver high quality results, and stand behind our work. We have 3 offices in China, and one in Santa Clara and are growing rapidly. Motorola and Juniper are among our current clients.