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Where Innovation Meets Execution

Seisan is a market leader in providing custom mobile and location-based application solutions. We have built a rock-solid reputation in the web and mobile application development community for providing excellent development and consulting services to a vast array of clients. Founded in 1994, our staff is unsurpassed in providing our clients with implementing highly scalable solutions, on-time and on budget.

  • Min project size
    Undisclosed
  • Hourly rate
    Undisclosed
  • Employees
    10 - 49
  • Locations
    Lancaster, PA
  • Year founded
    Founded 1994
  • Languages
  • Timezones

1 Language that we service

  • English

1 Timezone that we service

EST
Eastern Standard Time (EST)

1 Locations

  • Lancaster , PA

No have been added yet...

    Pricing Snapshot

    Min. project size Undisclosed
    Avg. hourly rate Undisclosed
    Rating for cost 4.8 /5

    What Clients Have Said

    Clients appreciate Seisan's good value for cost, often highlighting budget-friendly pricing. Specific projects range from $15,000 to $400,000, with positive notes on responsiveness and timely delivery. Overall, they are seen as a cost-effective solution for various development needs.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    < $49,999 based on 7 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000
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    Seisan Review Insights

    Overall Review Rating

    4.8
    • Quality 4.8
    • Schedule 4.7
    • Cost 4.8
    • Willing to Refer 4.9

    Top Mentions

    Review Highlights

    • Custom Software Development Proficiency

      Seisan is highly skilled in custom software development, offering tailored solutions across various industries. Their work on apps and web platforms has been described as innovative and in line with client needs.

    • Flexibility and Adaptability

      Seisan was recognized for their flexibility in handling project changes and adapting to client needs. Their willingness to adjust plans and incorporate feedback was seen as a significant strength.

    • Strong Project Management

      Clients consistently praised Seisan's project management skills, citing timely deliveries and responsiveness. They effectively communicated and adapted to new requirements, ensuring projects stayed on track and within budget.

    • Impressive Customer Retention

      Seisan's work has contributed to high customer retention rates and consistent revenue growth for clients, underscoring their effectiveness and reliability as a partner in software development and technology solutions.

    • Room for Improved Documentation

      While communication was generally praised, one client suggested more detailed documentation and planning could enhance project outcomes further, indicating a potential area for improvement.

    • High-Quality Deliverables

      Seisan consistently delivered high-quality outputs that met or exceeded client expectations. Their dedication to quality and attention to detail were frequently commended by clients.

    Seisan Reviews

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    Custom Software Development for IT Co

    • Custom Software Development
    • Confidential
    • Oct. 2020 - Mar. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They can effectively communicate concerns and provide solutions."

    Asst VP & Delivery, ArdentMC
    Christy Fultz
    • Information technology
    • Vienna, Virginia
    • 51-200 Employees
    • Online Review 
    • Verified

    Seisan has built custom software for an IT company. The team has built and supported the client's custom applications, such as the STAR app, Coeus API, and DICE app, and maintained them against vulnerabilities.

    VR Showroom Dev for Copper Fittings Manufacturing Co

    • AR/VR Development
    • $10,000 to $49,999
    • Jan. - Mar. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I was blown away with how detailed and realistic Seisan was able to make everything look."

    Marketing Manager, Copper Fittings Manufacturing Co
    Jessica Slaughter
    • Manufacturing
    • Hazelwood, Missouri
    • 51-200 Employees
    • Online Review 
    • Verified

    A copper fittings manufacturing company hired Seisan to develop a mobile, gamified VR showroom tour for end clients. The team included factory background sound effects and machine interaction features.

    Custom Mobile App Dev for Home Care Software Company

    • Custom Software Development Mobile App Development Web Development
    • $50,000 to $199,999
    • Oct. 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We're impressed with how quickly Seisan gets in sync with what we're trying to accomplish."

    Executive, Spectrum Voice Technologies Inc
    Anonymous
    • Healthcare
    • Encinitas, California
    • 1-10 Employees
    • Online Review 
    • Verified

    A home care software firm has hired Seisan develop an intricate GPS app for iOS and Android. The team has implemented several APIs into the app, including a voice gateway. They've also helped build web pages.

    Custom Web Dev for Theater & Entertainment Company

    • Custom Software Development Web Development
    • $200,000 to $999,999
    • July 2017 - Feb. 2018
    4.0
    Quality
    3.0
    Schedule
    3.0
    Cost
    4.0
    Willing to Refer
    4.0

    "They had many people on their team with a lot of exposure to different kinds of technology."

    Software Development Manager, Sight & Sound Theatre
    Kevin McGillicuddy
    • Arts, entertainment & music
    • Lancaster, Pennsylvania
    • 501-1,000 Employees
    • Phone Interview 
    • Verified

    Seisan provided Angular development services, working on a web app and a custom internal communication site for a theater company. The app allowed to apply for jobs and buy tickets; it was built from scratch.

    Web-Based Dashboard & Mobile App Dev for Railroad Company

    • Custom Software Development Mobile App Development Web Development
    • $200,000 to $999,999
    • Dec. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "They are not afraid to make choices to keep the project moving."

    Director of Technical Services, Railroad Company
    Kevin Garben
    • Transportation
    • Pittsburgh, Pennsylvania
    • 1,001-5,000 Employees
    • Online Review 
    • Verified

    Seisan maintains and develops a railroad company's mobile app and web-based dashboard. The team also provides consulting on features, product improvements, and UX.

    Mobile App Dev Services for Location Services Company

    • Mobile App Development
    • $10,000 to $49,999
    • Mar. - Aug. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Seisan knows their stuff, has the passion, remains professional, inspires creativity, and keeps the project on track."

    Sr. Account Manager, MapQuest
    Carol Marcoux
    • IT Services
    • Los Angeles, California
    • 11-50 Employees
    • Online Review 
    • Verified

    Seisan provided mobile app development services for a location services company. They assisted in creating the RFP, handled the management of the project, and developed a road rally app.

    Custom Mobile App Development for IT Services Company

    • AR/VR Development Custom Software Development Mobile App Development
    • $50,000 to $199,999
    • Aug. 2023 - Ongoing
    4.5
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They deliver on time and are true professionals."

    Senior Account Executive, CAS Severn
    Carl Dodson
    • IT Services
    • Laurel, Maryland
    • 51-200 Employees
    • Online Review 
    • Verified

    Seisan has been hired by an IT services company for mobile app development support. The team is tasked with building an custom app with AR/VR capabilities.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    8
    Overall Review Rating
    4.8
    Source
    Clutch
    Last Updated
    October 22, 2024

    Business Entity

    Business Entity Name Seisan Consulting, LLC
    Source Pennsylvania Department of State
    Jurisdiction of Formation Pennsylvania
    Date of Formation August 12, 2002
    Status Active
    Last Updated August 27, 2024
    ID 3088510

    Credit Report Results

    International Credit Risk Assessment Very Low Risk
    Source Creditsafe
    Last Updated August 27, 2024
    Learn More About The Clutch Verification Process

    Locations (1)

    21 - 30

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