EPPlus Software
EPPlus Software AB is a Stockholm-based, privately held vendor of EPPlus, a .NET library that lets developers read, write, and manipulate Excel/OOXML files programmatically. It serves thousands of commercial customers from Fortune 500 firms to startups, monetizing via per-developer subscription and perpetual licenses with a free Polyform Noncommercial tier for non-commercial use.
- Company typePrivate
- Founded2009
- HeadquartersStockholm, Sweden
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What EPPlus Software does
EPPlus Software AB is a Stockholm-based, privately held software vendor that develops and commercializes EPPlus, a .NET class library for programmatically reading, writing, creating, and manipulating Excel files in the Office Open XML (OOXML) format. The library, originally created by Jan Källman in 2009 as an open-source project on Codeplex, was commercialized in 2019 when Källman and his brother Mats Alm founded EPPlus Software AB. EPPlus supports a wide range of .NET target frameworks (Framework 4.6.2+, .NET Standard 2.0, .NET 8, .NET 9, and .NET 10) and operates cross-platform on Windows, Linux, Blazor, and Windows Nano Server without requiring Microsoft Excel installation. From EPPlus 7 onward, the product includes a fully rewritten calculation engine supporting 470+ Excel functions, dynamic array formulas, and LAMBDA functions; EPPlus 8 (March 2025) added digital signing of workbooks, OLE Objects, in-cell pictures, and Sensitivity Label API integration with the Microsoft Information Protection SDK.
The company operates a product-led growth model with the library distributed primarily through the NuGet package repository, where it has been downloaded more than 100 million times (150M+ by 2025). Revenue is generated through commercial licensing — annual subscriptions starting at $329-$569 per developer (with tiered volume discounts) and perpetual licenses starting at $899 per developer — alongside a free Polyform Noncommercial license for non-commercial use. Commercial channels include direct online sales via the company website (supporting 8 currencies and multiple payment methods processed through Stripe) and authorized resellers ComponentSource (global) and IBS Japan (Japan). The company serves thousands of commercial customers ranging from Fortune 500 enterprises (Toyota, Liebherr, Vattenfall, Jysk, Aico) to startups and individual developers. EPPlus Software AB operates with an exceptionally lean team of approximately 7 employees, is bootstrapped with no external institutional investment, and is owned and controlled by the two founding brothers.
EPPlus Software firmographics
Firmographics- Name
- EPPlus Software
- Legal name
- EPPlus Software AB
- Website
- https://epplussoftware.com
- Company type
- Private
- Founded year
- 2009
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- EPPlus Software AB is a Stockholm-based, privately held vendor of EPPlus, a .NET library that lets developers read, write, and manipulate Excel/OOXML files programmatically. It serves thousands of commercial customers from Fortune 500 firms to startups, monetizing via per-developer subscription and perpetual licenses with a free Polyform Noncommercial tier for non-commercial use.
- Ownership category
- akta.pro rank
EPPlus Software industry classification
Industry- Product category
- Developer Tools / Office Document Libraries
- NAICS
- Software Publishers (5132), Software Publishers (513210), Software Publishers (51321)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Intelligent Document Processing (IDP) & OCR Automation (HDAEAHAC)
Keywords
Where EPPlus Software is headquartered
LocationHeadquarters
- HQ city
- Stockholm
- HQ country
- Sweden
- HQ region
- Europe
Offices1 record
Markets served
EPPlus Software business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure
Revenue model
- Commercial Software Licenses: EPPlus generates revenue through commercial software licensing with two models: Subscription licenses (annual, starting at $569/developer/year with tiered volume discounts) and Perpetual licenses (starting at $899/developer with $540/year renewal). Support and upgrades are included during the license period. Commercial licensing is required for business use.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Commercial Use Subscription - 1 Year |
| Subscription | Multi-year contract | Commercial Use Subscription - 2 Years |
| One time/ perpetual license | Multi-year contract | Commercial Use Perpetual - 1 Year Support |
| One time/ perpetual license | Multi-year contract | Commercial Use Perpetual - 2 Years Support |
| One time/ perpetual license | Multi-year contract | License Package Small (up to 10 developers) |
| One time/ perpetual license | Multi-year contract | License Package Medium (up to 25 developers) |
| One time/ perpetual license | Multi-year contract | License Package Large (up to 50 developers) |
| Other | Multi-year contract | Enterprise License |
| Freemium | Pay-as-you-go | Polyform Noncommercial (Free) |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels5 records
EPPlus Software product offering
Product offeringCore offering
EPPlus is a .NET class library (distributed as a NuGet package) that allows software developers to programmatically create, read, modify, and export Microsoft Excel spreadsheets using the Office Open XML (OOXML) format without requiring Microsoft Excel or Office interop. The library supports .NET Framework, .NET Core/Standard, and modern .NET versions, runs cross-platform on Windows, Linux, and Blazor, and includes a built-in formula calculation engine with 470+ supported Excel functions. EPPlus is offered under a dual-license model: a free Polyform Noncommercial license for non-commercial use and commercial subscriptions/perpetual licenses required for business use.
Product overview
EPPlus Software offers a single unified product: the EPPlus library, which is an Excel spreadsheet library for .NET Framework and .NET Core. The product enables reading and writing of Excel files using the Office Open XML format. EPPlus is distributed as a NuGet package and supports multiple .NET target frameworks including .NET Framework 4.6.2+, .NET Standard 2.0, .NET 8.0, .NET 9.0, and .NET 10. The product is available under dual licensing: Polyform Noncommercial license for non-commercial personal/research use, and commercial licenses (subscription or perpetual) for business use. Developer resources include API documentation, sample projects in C# and VB.NET, GitHub repositories, and StackOverflow community support.
Differentiator
Problem solved
Functional benefit
Products and services
- EPPlus EPPlus is a .NET class library (distributed as a NuGet package) that enables developers to programmatically create, read, modify, and export Microsoft Excel spreadsheets using the Office Open XML (OOXML) format. It supports multiple .NET target frameworks (.NET Framework 4.6.2+, .NET Standard 2.0, .NET 8, .NET 9, .NET 10), runs cross-platform on Windows, Linux, Blazor, and Windows Nano Server, and includes a built-in formula calculation engine with 470+ supported Excel functions (including dynamic arrays, LAMBDA, and legacy array formulas). The library is offered under dual licensing — a free Polyform Noncommercial license for non-commercial personal, research, and educational use, and commercial licenses (annual subscriptions from $569/developer or perpetual licenses from $899/developer) required for business use.
Quantifiable outcome
- 100+ million cumulative downloads
- +2 more outcomes
Companies that use EPPlus Software
Customer profileNamed customers5 records
Segments3 records
Ideal customer profiles2 records
EPPlus Software technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature10 records
EPPlus Software partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core and minor.
- ComponentSourcecoreComponentSource is a global software distributor that resells EPPlus licenses internationally. They provide toll-free phone numbers for multiple regions (Americas, EMEA, Asia-Pacific) and process sales in various languages.
- IBS JapanminorIBS Japan is a Japanese reseller for EPPlus licenses, serving customers in Japan who prefer local purchasing options.
- GlobalSigncoreGlobalSign is the certificate authority that issues code signing certificates to EPPlus Software AB. All EPPlus releases are digitally signed with GlobalSign certificates, and timestamps are provided by GlobalSign TSA. This ensures cryptographic verification of EPPlus releases.
- NuGetcoreNuGet is the package repository through which EPPlus is distributed. EPPlus packages are author-signed by EPPlus Software AB and receive repository counter-signatures from NuGet.org upon publication.
- MicrosoftcoreEPPlus integrates with Microsoft Information Protection (MIP) SDK for Sensitivity Labels and targets multiple .NET frameworks (.NET Framework 4.6.2+, .NET Standard 2.0, .NET 8, .NET 9, .NET 10).
Scale indicators5 records
Recent moves5 records
Expansion highlights5 records
EPPlus Software competitors and assessment
Company assessmentDirect peers
- IronXL: IronXL is a commercial .NET Excel library focused on simplicity for developers reading/writing XLSX files. It is a recent entrant competing on ease-of-use and lightweight installation versus EPPlus's deeper feature set.
- NPOI: NPOI is a .NET port of Apache POI that provides Excel (and Word) file manipulation. It is widely used in the .NET open-source ecosystem as a free alternative to commercial libraries, competing directly with EPPlus on Excel read/write functionality.
- ClosedXML: ClosedXML is a .NET library for reading, writing, and manipulating Excel files using OOXML—the most direct open-source competitor to EPPlus. It targets the same developer persona and is the primary free alternative considered by EPPlus prospects.
- Aspose.Cells: Aspose.Cells is a commercial .NET/Java Excel library offering extensive feature parity with Office, including formulas, charts, pivot tables, and PDF export. It competes directly with EPPlus at the enterprise tier, often at higher price points.
- Spire.XLS: Spire.XLS by E-Iceblue is a commercial .NET library for creating, reading, editing, and converting Excel files. It targets the same developer use cases as EPPlus and competes particularly in the Asian enterprise market.
- GemBox.Spreadsheet: GemBox.Spreadsheet is a commercial .NET library for reading, writing, converting, and printing Excel files. It targets the same .NET developer use case as EPPlus and competes on price/feature bundles for small and mid-sized teams.
- Syncfusion Essential XlsIO: Syncfusion offers a .NET Excel framework (XlsIO) for creating, reading, and editing Excel files, part of a broader component suite. It competes with EPPlus for developers looking for a commercial Excel library, often bundled with other UI components.
- SpreadsheetGear: SpreadsheetGear is a commercial .NET spreadsheet component library with Excel-compatible calculation engine and high-performance workbook APIs. It targets the same enterprise developer audience and is a frequent competitor in RFPs for spreadsheet automation.
- GrapeCity Documents for Excel: GrapeCity Documents for Excel is a commercial .NET Excel library that emphasizes server-side Excel generation without Office dependencies. It competes directly with EPPlus in enterprise scenarios requiring high-volume, distributable Excel automation.
Broad incumbents
- Microsoft Office Interop (Excel): Microsoft Office Interop is the native Microsoft API for Excel automation, requiring Office installation and primarily Windows. Although cumbersome and license-restricted, it is the incumbent baseline against which EPPlus positions itself as a more performant, cross-platform alternative.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
EPPlus Software social profiles
Digital presenceEPPlus Software compliance and trust
Trust signalCompliance2 records
EPPlus Software financial estimates
Financial estimateRevenue estimate
Valuation estimate
EPPlus Software leadership team
Management profileNumber of profiles
Profiles2 records
EPPlus Software funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
EPPlus Software M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about EPPlus Software
What does EPPlus Software do?
EPPlus is a .NET class library (distributed as a NuGet package) that allows software developers to programmatically create, read, modify, and export Microsoft Excel spreadsheets using the Office Open XML (OOXML) format without requiring Microsoft Excel or Office interop. The library supports .NET Framework, .NET Core/Standard, and modern .NET versions, runs cross-platform on Windows, Linux, and Blazor, and includes a built-in formula calculation engine with 470+ supported Excel functions. EPPlus is offered under a dual-license model: a free Polyform Noncommercial license for non-commercial use and commercial subscriptions/perpetual licenses required for business use.
Is EPPlus Software a public or private company?
EPPlus Software is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was EPPlus Software founded?
EPPlus Software was founded in 2009. It employs 1 to 10 people.
Where is EPPlus Software based?
EPPlus Software is headquartered in Stockholm, Sweden, in the Europe region.
How does EPPlus Software make money?
One revenue line is on record: commercial Software Licenses.
Who are EPPlus Software's main competitors?
Direct peers on record are IronXL, NPOI, ClosedXML, Aspose.Cells, Spire.XLS, GemBox.Spreadsheet, Syncfusion Essential XlsIO, SpreadsheetGear and GrapeCity Documents for Excel. Microsoft Office Interop (Excel) is listed as a broad incumbent.
Does EPPlus Software have an API?
No public API is recorded for EPPlus Software.
What industry is EPPlus Software in?
EPPlus Software's product category is Developer Tools / Office Document Libraries. Its primary akta.pro industry code is HDAEAHAC, Intelligent Document Processing (IDP) & OCR Automation. Its NAICS code is 5132 and its SIC code is 7372.