What Quantitative Software Management does

Quantitative Software Management (QSM, Inc.) is a privately held, family-owned software company founded in 1978 by Larry Putnam, Sr. and headquartered in McLean, Virginia. The company develops the SLIM (Software Lifecycle Management) Suite, an integrated platform for software project estimation, tracking, forecasting, and benchmarking. SLIM products are powered by the proprietary Software Production Equation, which models the nonlinear relationship between software Size, Process Productivity, Time, and Effort, combined with machine learning predictive algorithms trained on a proprietary database of over 14,500 validated completed software projects across 18 industry trend groups. The platform consists of six core applications: SLIM-Estimate, SLIM-Collaborate (SaaS), SLIM-MasterPlan, SLIM-Control, SLIM-DataManager, and SLIM-Metrics.

QSM serves Fortune 1000 enterprises, federal/state/local government agencies, and system integrators, targeting software-intensive organizations that need defensible cost and schedule estimates, portfolio-level risk analysis, and project-tracking capabilities. The product line is complemented by a consulting practice offering independent estimates, IT portfolio budgeting, Estimation Center of Excellence implementations, program forecast-to-complete, and productivity benchmarking, plus a training catalog delivered through live online and self-paced courses.

The business model combines subscription-based software licensing for the SLIM Suite (annual billing cadence, quote-based enterprise pricing), project-based consulting engagements, and training fees. Go-to-market is primarily direct enterprise sales supported by a network of system integrator channel partners, with content marketing (blogs, webinars, articles, video tutorials) driving top-of-funnel demand. The company reports a repeat-customer rate above 93% and maintains ongoing annual product releases, indicating a stable, retention-driven operating profile. The firm is led by three Co-CEOs from the Putnam family (Douglas T. Putnam, Larry H. Putnam Jr., and Lauren Putnam Thayer) and operates with 11-50 employees.

Name

Quantitative Software Management

Legal name

QSM, Inc.

Website

https://qsm.com

Company type

Private

Founded year

1978

Operating status

Operating

Headcount range

11–50 employees

Short description

QSM is a family-owned software company founded in 1978 that sells the SLIM Suite, an integrated platform for software project estimation, tracking, forecasting, and benchmarking powered by a proprietary database of 14,500+ validated projects, serving Fortune 1000 enterprises and government agencies.

Ownership category

akta.pro rank

Product category

Software Project Estimation & Lifecycle Analytics

NAICS

Software Publishers (513210), Custom Computer Programming Services (541511)

SIC

Services-Prepackaged Software (7372), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

Dashboarding & KPI/Performance Management (HDAEAMAF)

akta.pro secondary industries

Data & Metrics for PM/PPM (Analytics, KPIs, Experimentation) (EDABAHAL), Feature Stores & ML Data Management (HDAAABAB), Business Rules & Decision Management Platforms (BRMS/DMN) (HDAEAKAG)

Keywords

• Software project estimation
• Software lifecycle management
• Project portfolio analytics
• Software productivity benchmarking
• Parametric software modeling

Headquarters

HQ city

Mclean

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Software Licenses: QSM generates revenue primarily through licensing its SLIM Suite of desktop applications (SLIM-Estimate, SLIM-Control, SLIM-MasterPlan, SLIM-DataManager, SLIM-Metrics) and the cloud-based SLIM-Collaborate SaaS platform. Customers purchase licenses for enterprise-wide use with support and maintenance included.
2. Consulting Services: QSM provides consulting services including independent software project estimates, IT portfolio budgeting and capacity planning, Estimation Center of Excellence implementations, software program forecast to complete, and software productivity benchmarking. These engagements are typically project-based consulting engagements.
3. Training Services: QSM offers instructor-led live online courses and self-paced training modules for SLIM software applications. Training is provided as 3-hour sessions or 2-3 hour self-paced courses with registration fees.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels9 records

Core offering

Quantitative Software Management (QSM) develops and licenses the SLIM-Suite—an integrated desktop and SaaS platform for software project estimation, tracking, predictive forecasting, and benchmarking—grounded in the proprietary Software Lifecycle Model and a 14,500+ project historical database. The company complements its software with paid consulting services (independent estimates, Estimation Center of Excellence implementations, IT portfolio budgeting, program forecast-to-complete, productivity benchmarking) and training courses targeting enterprise IT organizations and government agencies.

Product overview

QSM offers the SLIM-Suite integrated software platform for software estimation, tracking, and benchmarking from concept to closeout. The core platform consists of six desktop/SaaS applications: SLIM-Estimate (top-down scope-based estimation), SLIM-Control (project tracking and predictive forecasting), SLIM-DataManager (historical project data repository), SLIM-Metrics (performance benchmarking and analytics), SLIM-MasterPlan (portfolio-level estimation and risk assessment), and SLIM-Collaborate (enterprise web-based estimation workflows). The products share data seamlessly and leverage machine learning algorithms trained on a database of 14,500+ validated software projects. QSM complements its software products with consulting services (independent estimates, IT portfolio budgeting, Estimation Center of Excellence, program forecasting, productivity benchmarking) and training offerings (live online courses, self-paced classes, guided tour videos).

Differentiator

Problem solved

Functional benefit

Products and services

• SLIM-Estimate Desktop software project estimation tool that generates realistic, data-driven software cost and schedule estimates using a top-down scope-based approach; provides feasibility analysis, alternative scenario modeling, and validation against historical project data for software engineering leaders.
• SLIM-Collaborate Web-based SaaS platform for enterprise software estimation workflows that streamlines stakeholder engagement, standardizes project estimation and closeout processes, and provides organizational breakdown structures with role-based permissions.
• SLIM-MasterPlan Software portfolio-level estimation tool that assesses multiple software projects with complex interrelationships, providing aggregated cost, effort, scope, and resource demand estimates with Monte Carlo simulation for risk probability assessment.
• SLIM-Control Software project tracking and predictive forecasting application that compares project plans against actuals using statistical process control techniques and generates forecasts to completion based on actual productivity and features completed.
• SLIM-DataManager Historical software project data repository that maintains completed project metrics (over 300 predefined and custom metrics) to support estimation calibration, trend analysis, and benchmarking across the enterprise.
• SLIM-Metrics Software project performance benchmarking tool that generates statistical performance trends, five-star ratings for project outcomes, and regression analysis for comparing organization performance against industry benchmarks.
• Independent Software Project Estimates Consulting service providing independent, quantitative assessment of software project feasibility, schedule and cost realism, and product reliability using parametric modeling and industry benchmarks for enterprise and government clients.
• IT Portfolio Budgeting & Capacity Planning Consulting service that quantifies project plans, identifies high-risk projects, and creates comprehensive IT portfolio budget scenarios by matching resource demand to capacity.
• Estimation Center of Excellence Consulting service that helps organizations design, develop, deploy, and sustain robust estimation capabilities, including process design, historical data collection, trend creation, and staff training.
• Software Program Forecast to Complete Consulting service that analyzes troubled software projects, quantifies remaining scope, and provides ongoing monthly health checks with revised forecasts based on actual productivity data.
• Software Productivity Measurement & Benchmarking Consulting service that builds productivity baselines, computes Productivity Index (PI) metrics, and compares organization performance against relevant industry benchmarks with detailed competitive analysis.
• Live Online Courses Instructor-led training courses with small class sizes covering SLIM top-down, scope-based software project estimation methodology across three 3-hour sessions.
• Self-Paced Courses Self-paced interactive video training courses for SLIM-Control, SLIM-DataManager, and SLIM-Metrics applications with hands-on practice and problem-solving exercises.
• Guided Tours Video tutorials that walk through typical use cases for each SLIM-Suite application with corresponding online help documentation.

Quantifiable outcome

• Major system integrator achieved 83% estimation accuracy within +/- 10% of actual project outcomes after calibrating SLIM to historical data.
• +7 more outcomes

Named customers19 records

Segments6 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

AI capability3 records

Feature8 records

Scale indicators9 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Galorath Incorporated: Galorath develops SEER, a competing software cost, schedule, and risk estimation platform used by defense, aerospace, and IT organizations. It is the most direct head-to-head competitor to QSM's SLIM Suite in the parametric software estimation category.
• Construx Software: Construx is a software project management consultancy and tool provider, offering estimation, benchmarking, and process improvement services. It overlaps with QSM in software estimation methodology consulting and training, targeting similar enterprise engineering audiences.

Emerging players

• International Software Benchmarking Standards Group (ISBSG): ISBSG maintains a global repository of software project data used for estimation and benchmarking — directly competitive with QSM's proprietary industry database, though delivered as a membership data resource rather than integrated software.

Broad incumbents

• Planview: Planview offers enterprise project portfolio management (PPM) and Lean/Agile delivery tools, with capabilities overlapping QSM's SLIM-MasterPlan portfolio estimation and PPM Connector integration. It is a broader incumbent rather than a pure estimation specialist.
• Atlassian (Jira + Jira Align): Atlassian's Jira and Jira Align are widely deployed project tracking and portfolio planning tools used by enterprise software teams. While not estimation-focused, they compete for IT PMO budgets and team workflow ownership that QSM also addresses.
• Microsoft Project / Azure DevOps: Microsoft Project and Azure DevOps provide project scheduling, tracking, and portfolio capabilities across enterprise IT. They compete as broad incumbents with deeply embedded enterprise ecosystems, often displacing or co-existing with QSM in customer environments.
• BMC Software (Helix ITSM): BMC's Helix ITSM and broader IT operations portfolio address IT portfolio management and governance, overlapping with QSM's portfolio-level estimation and IT budgeting consulting at large enterprise and government customers.

Regional players

• Software Engineering Institute (SEI / Carnegie Mellon): SEI develops software process improvement, maturity models, and benchmarking research — adjacent to QSM's methodology and database work, primarily serving U.S. federal/defense customers through research and advisory rather than commercial software.
• IFS (Enterprise Asset Management & Project Portfolio): IFS provides enterprise project and portfolio management solutions for asset-intensive industries that overlap with QSM's portfolio estimation use cases (especially in aerospace, defense, and utilities) but with broader ERP-adjacent functionality.

Others

• ThoughtWorks: ThoughtWorks is a global technology consultancy that advises enterprises on software delivery, Agile transformation, and engineering productivity — adjacent to QSM's consulting services and Estimation Center of Excellence offerings rather than direct software competition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/QSM_SLIM
• Facebookfacebook.com/quantitativesoftwaremanagement
• LinkedInlinkedin.com/company/quantitative-software-management-inc-

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds2 records

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Quantitative Software Management