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River Solutions
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    • Energy policy modeling
    • Turn a River model into a website
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River Solutions
      • Product
        • Overview
        • How does it work?
        • Pricing
      • Case examples
        • Energy policy modeling
        • Turn a River model into a website
        • Corporate transformation and valuation
      • Resources
        • Blog
        • Privacy policy
      • Contact us
    • Book a demo
    • Download

    Turn your Excel model into a reliable team asset

    The engine that makes models structured, easy to update, and ready to extend

    Excel Add-In • Visual logic • Automated checks • High performance • AI-ready

    Start Now Contact us


    25x
    Fewer formula errors

    50%
    Less time building and auditing

    140x
    Faster on large lookups

    1 file
    Model and data, shareable

    TRUST YOUR MODEL EVEN IF ITS AUTHOR LEAVES

    Build models that are easy to explain and understand

    A trusted model clearly exposes its logic, inputs and outputs, assumptions, transformations and parameters. River structures this knowledge and saves it in the model, without formulas. 

    Easy handovers between modelers keep the knowledge in your team. Experts, clients and managers can review and validate the model smoothly. 

    • Explore the structure of the model with the visual model map on the left. Zoom out to see the big picture, browse comments, transformations and data connections.
    • Visualize parameters of transformations in the configurator  window on the right to understand how they work. All visual, no need to decipher formulas.
    • Explore data at any point intuitively in Excel Tables to confirm the results match your expectations. Filter, sort, color, cross-check.
    • Model documentation is automaticlally created from the model. No need to repeat it.  Export as a document or PDF.

    How does it work?

    KEEP AND REUSE YOUR MODEL INDEFINITELY

    Update the model efficiently and with confidence

    Refreshing input data, changing assumptions and editing scenarios are typical of a model's lifecycle, often done right before (or during) critical meetings. 

    River is designed to make all these changes efficiently while keeping confidence in the results. Even modeling logic changes can be done reliably at short notice.

    • Update inputs and assumptions without ambiguity: click each yellow and pink block and update the Excel Tables that show automatically. 
    • Update scenarios in one click. The scenario manager lets you add or update scenarios in one click, without having to touch a formula.
    • Detect issues in new data before they affect results. Built-in quality checks automatically run, showing red warning signs e.g. if a value is missing where it shouldn't.
    • Change logic without rebuilding the model. The model map lets you swap built-in operators or reroute data with confidence. The error detectors will let you know if something is off.

    How does it work?

    YOUR MODEL BECOMES AN ASSET TO BUILD ON

    Make your model more valuable

    Excel models are notoriously difficult to build upon. Logic is encrypted in formulas and locked in the workbook. They are often only used by experienced modelers to produce reports.

    River models are portable and open. You can use the model to disseminate insights to more people, in more valuable ways.

    • Let outsiders play with your model as a web application: the "publish model" button builds a web app with AI that uses your deterministic model. No hallucinations.

    • Write documentation automatically: export the River as a markdown file, giving AI tools the reliable context it needs to generate a complete Word documentation.

    • Export logic and data in formats that people, software and AI can reliably use: documents, PDF, Markdown, SQL code, CSV files.


    How does it work?

    The same model, in Excel and River

    Compare a traditional Excel model with the same model built with River.


    Logic that is easily written in words can translate into 6-line formulas that are hard to validate, and copied across many cells, increasing the risk of error.

    By contrast, the same logic described as a visual diagram in River, making it clear what are the different steps: where data comes from, how it is combined and what calculations are performed.
     



    Get started with River

    Install the trial version and test it for 14 days or let us walk you through a demo.

     Book a demo  Download

    How to start using River?

    River is fully contain​ed in an Excel Add-In, making installation easy

    1

    Get a free licence

    No credit card needed.

    2

    Install the Excel Add-In

    Download the installer and follow the instructions.

    3

    Start modeling

    Open Excel and start building models right there! Our in-tool tutorials will help you get started.

    4

    Share your models

    Simply share your models as any Excel workbook, by email or in a shared folder.

    Try the River Add-In today.

    Try for free


      No credit card needed

      Quick installation

      Embedded tutorials

    Free trial
    person holding pencil near laptop computer

    Designed by former McKinsey consultants

    Based on decades of observing the same problems, we've built River to help business analysts, modeling experts and consultants have a more satisfying modeling experience and elevate the quality level in the profession.

    McKinsey article on modeling in the Covid-19 context

    Frequently asked questions


    Of course! It is strongly encouraged. River models are saved inside the Excel workbook together with the data it uses, making sharing very easy.

    You currently need a license to be able to view the model in a workbook, but we're designing a "viewer" version that will allow people without a license to open the model in read-only mode.

    If you just want to keep the model for reference, no need to do anything. When your current River license expires, you will always be able to open the Excel workbook and see the input and output data of your model. With the "viewer" version of River, you will also be able to see all the modeling logic and its parameters.

    If you want to recreate your model using plain Excel (or another tool), you can use it as a guide during your rebuild.

    We come from the consulting industry, where protection of client data is a top priority. 

    Therefore we designed River so that it runs entirely on your computer, and no data from your workbook is ever leaving.

    The only data that River can send is application usage data, to help us build the product. And you can decline this option.

    River has been carefully designed to have the smallest possible footprint. 

    It is packaged in a single Excel Add-In, doesn't send data outside your computer and can be deployed using corporate IT tools. 

    If you already use think-cell (another popular Add-In), chances are your IT will easily approve it. Otherwise feel free to contact us at info@river-solutions.com.

    We have an extensive in-application documentation and tutorials. 

    We currently provide support via email directly. 

    Want to know more? Get in touch!


    Contact us

    Supported by 
    Fondation Genevoise pour l'Innovation Technologique

    River has been awarded Innovation Initiation Support by FONGIT


    Designed for consultants by consultants

    We are a team of passionate people whose goal is to help business analysts build trusted analytical models, allowing them to reduce risks and costs, and to provide a rewarding experience for the professionals building them.

    River Solutions

    Chemin du Pré-Monnard 27
    CH-1213 Petit-Lancy
    Switzerland

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    • info@river-solut​ions.com​
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