Enable Your Projects with Accurate Estimates & Secure Better Outcomes

Electrical Estimating Services by Sigma Estimating

Sigma Estimating provides accurate, detailed, and dependable electrical estimating services designed to help contractors, engineers, vendors, and property owners plan and budget with confidence. Our experienced electrical estimators use advanced tools and industry-leading software to deliver precise estimates for residential, commercial, and industrial projects.

With deep expertise and a commitment to accuracy, Sigma ensures that every estimate reflects real-world costs—helping you win bids, reduce risks, and keep your projects on track.

Comprehensive Services

Residential Electrical Estimating

Sigma Estimating supports electricians and electrical contractors working on all types of residential projects—from upgrades and additions to complete home builds, apartments, eco-homes, and smart home installations.

We prepare precise estimates for:

  • Power distribution and service panels

  • Wiring, lighting, receptacles, and switches

  • Electric meters and transmission lines

  • Smart home and automation systems

Our residential electrical estimates cover systems such as:

  • Building Automation & BMS

  • Home Security & CCTV

  • Electric Heating Systems

  • Ventilation & Exhaust Fans

  • Networking & Communication

  • Entertainment Systems

  • Backup Generators

  • Solar Panels

  • Lighting & Control Systems

  • Doorbells & Intercoms

  • Electrical Receptacles

Commercial electrical projects demand accuracy, speed, and strong cost control. Sigma Estimating provides detailed commercial electrical estimates using the latest software—including Planswift, Bluebeam, ConEst, and Accubid—to help contractors bid competitively and meet tight deadlines.

We provide estimates for all building types, including:
Airports, high-rises, theaters, offices, hotels, hospitals, schools, retail fit-outs, restaurants, and more.

Commercial systems we estimate include:

  • Communications & Cabling

  • HVAC Electrical Systems

  • Walk-In Freezers & Chillers

  • Emergency & Alarm Systems

  • Standby Generators

  • Access Control & Data Systems

  • Low Voltage Distribution

  • Electronic Door Readers

  • Temperature Controls

  • Solar & Geothermal Systems

Sigma Estimating delivers specialized industrial electrical estimates for plants, factories, and large-scale facilities. Our team is trained to handle complex electrical systems in industries such as wastewater treatment, power generation, petrochemicals, manufacturing, mining, food & beverages, and more.

Our industrial estimates include:

  • Instrumentation & Control

  • Industrial Automation

  • PLC Systems

  • Hazard Monitoring

  • Power & Lighting

  • Power Distribution

  • Solar & Wind Energy

  • Emergency Power Systems

  • Backup Generators

  • Robotics & Assembly Systems

  • Motion Control

  • Turnkey Integrated Systems

We also estimate key electrical components, including:

  • Protection Relays

  • Fuses & Fuse Blocks

  • Surge Protection Devices

  • Magnetic & Reed Sensors

  • Diodes & Resistors

  • Capacitors

  • Resettable PTCs

  • Gas Discharge Tubes

  • Thyristors

  • Polymer Suppressors

Sigma Estimating also provides accurate estimates for a wide range of low-voltage systems, ensuring full cost clarity for installations such as:

  • Telephone & Data Systems

  • Audio/Visual Systems

  • Access Control

  • Security Sensors

  • Fire Alarm Systems

  • CCTV & Surveillance

Every component is carefully calculated to help you budget effectively for low-voltage projects of any size.

Request a Quote Today and Take Control of Your Project Costs! Get Your Estimate with 30% Off

Expert Electrical Estimators for Fast, Accurate & Detailed Results

At Sigma Estimating, our electrical estimators deliver the precision and speed you need to stay competitive. Equipped with industry experience and the latest electrical estimating software, our team produces quick, accurate, and fully detailed estimates that help you win more bids and secure more projects.
When you partner with Sigma, you gain a clear advantage—reliable numbers, transparent reporting, and estimates that strengthen your bidding strategy.

Independent Electrical Estimators Focused on Your Success

As independent estimators, Sigma works solely in your best interest. Every estimate we deliver is unbiased, reliable, and tailored to your project’s requirements. Our goal is to help you:

  • Improve planning
  • Streamline budgeting
  • Reduce project risks
  • Save time and resources
  • With Sigma as your estimating partner, you gain detailed, transparent, and trustworthy results that align perfectly with your project goals.

    Accurate Electrical Cost Per Square Foot

    Need dependable electrical cost-per-square-foot pricing? Our experienced team provides precise, defensible square-foot estimates for residential, commercial, and industrial projects. We factor in every detail, including:

  • Materials and components
  • Equipment costs
  • Electricians’ hourly rates
  • Project size, scope, and location
  • This ensures you receive a realistic and actionable cost range for effective budgeting.

    Electrical Design-Build CAD Drafting Services

    Sigma Estimating also offers professional CAD drafting services for electrical design-build projects. Our design team is skilled in AutoCAD, Revit MEP, and VISIO, allowing us to produce accurate layouts, as-built drawings, and detailed project documentation. Our MEP CAD services include:

  • Electrical wiring layouts
  • Mechanical piping layouts
  • Ducting and ventilation layouts
  • Instrumentation diagrams
  • Piping layout drawings
  • Complete design-build drafting
  • As-built drawing preparation
  • Every plan is reviewed and quality-checked by a senior MEP engineer to ensure precision and compliance with project requirements.

    Ready to Take Control of Your Project Costs?

    Call us today at +1 (430) 214-7715 or contact us today to discuss your specific requirements or request an instant quote.

    Experience the Benefits of Professional Electrical Estimating

    Partner with Sigma Estimating for accurate and comprehensive Electrical Estimating Services. Our team of skilled estimators delivers high-quality estimates that help you make informed decisions, optimize your budgets, and successfully complete your electrical projects. With Sigma Estimating, you can expect:

    • Accuracy and reliability

    • Timely delivery

    • 48-hour top-notch services

    • Cost-effective solutions

    • 24/7 exceptional customer service and support

    We Work With:

    • General Contractors

    • Electrical Contractors

    • Low Voltage Contractors

    • HVAC Contractors

    • EPC Contractors

    • Instrumentation Contractors

    • Instrumentation & Control Systems Technicians

    • Electricians & Electrical Vendors

    Your trusted partner in construction cost estimating

    Let’s Discuss Your Construction Estimating Needs

    Take your construction projects to the next level with Sigma Estimating. Get accurate, reliable, and tailored cost estimates, smarter budgeting, and competitive bids. Contact our expert team today, upload your plans, and save 30% on your first estimate. Plan better, control costs, and ensure project success.

      A Growing Global Network