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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

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

    Select a service to see pricing information

    Highly Rated Similar Providers

    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

    • Expertise in VR and AR Solutions

      Seisan has demonstrated a strong capability in developing VR and AR applications. Clients appreciated their creativity and ability to transform complex ideas into seamless, interactive experiences, often exceeding expectations.

    • Exceptional Communication Skills

      Clients highlighted Seisan's excellent communication skills, which facilitated smooth project execution. Their ability to understand complex requirements and maintain open channels for feedback was noted as a major asset.

    • 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.

    • 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.

    • 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.

    • 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."

    Oct 22, 2024
    Asst VP & Delivery, ArdentMC
    Christy Fultz
    Verified
    • 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 App Development for Data Analytics Company

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

    “We were impressed by their creativity.”

    Oct 18, 2024
    Senior Art Director, ThoughtSpot
    Veronica Wagner
    Verified
    • Gaming
    • 501-1,000 Employees
    • Phone Interview
    • Verified

    A data analytics company hired Seisan to build a VR app. The team developed the app for VR headsets, initially creating a basic app before adding features using the client’s assets, storyboard, and artwork.

    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."

    Jun 20, 2024
    Marketing Manager, Copper Fittings Manufacturing Co
    Jessica Slaughter
    Verified
    • 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."

    May 3, 2024
    Executive, Spectrum Voice Technologies Inc
    Anonymous
    Verified
    • Other industries
    • 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."

    Apr 26, 2022
    Software Development Manager, Sight & Sound Theatre
    Kevin McGillicuddy
    Verified
    • 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."

    Oct 17, 2024
    Director of Technical Services, Railroad Company
    Kevin Garben
    Verified
    • Other industries
    • 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."

    May 3, 2024
    Sr. Account Manager, MapQuest
    Carol Marcoux
    Verified
    • Other industries
    • 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."

    May 3, 2024
    Senior Account Executive, CAS Severn
    Carl Dodson
    Verified
    • Other industries
    • 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.

    Showing 1-8 of 8 Reviews

    Locations (1)

    8 N Queen St, 6th Floor LancasterPA, United States 17603

    21 - 30

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