# Top Civil Engineering Firms in Seattle Recommended Civil Engineering companies in Seattle include Pro Complete Construction, Contemporary Home Construction, Llc, Cascade Design Collaborative, Core Design, Inc., MIG, Hainline, Skillings, Inc., Barghausen Consulting Engineers, MacKay Sposito, SCJ Alliance. We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. [Learn how Clutch ensures trust](#why-trust-clutch) ## List of the Best Top Civil Engineering Firms in Seattle Ratings Updated: Jul 25, 2026 ### [Pro Complete Construction](https://clutch.co/profile/pro-complete-construction) - $10,000+ minimum project size - $25 - $49 average hourly rate - 2 - 9 employees - Seattle, WA #### Services Provided - Allocation of Expertise by Percentage - 20% Architectural Design - 20% Commercial Development - 20% Commercial Property Management - 20% Engineering - 20% Interior Design #### Company description Pro Complete Construction is a small Seattle, Washington-based Architectural Design company. The team specializes in Architectural Design and Interior Design. [Visit Website](https://procompleteconstruction.com/) --- ### [Contemporary Home Construction, Llc](https://clutch.co/profile/contemporary-home-construction) - $1,000+ minimum project size - $25 - $49 average hourly rate - 2 - 9 employees - Kirkland, WA #### Services Provided - Allocation of Expertise by Percentage - 100% Engineering #### Company description Contemporary Home Construction, Llc is an Engineering company. The Kirkland, Washington-based team focuses on Engineering. [Visit Website](https://www.chcremodel.com/) --- ### [Cascade Design Collaborative](https://clutch.co/profile/cascade-design-collaborative) - 10 - 49 employees - Seattle, WA #### Services Provided - Allocation of Expertise by Percentage - 70% Architectural Design - 30% Engineering #### Company description Cascade Design Collaborative is an Architectural Design company founded in 1998. Their services include Architectural Design and Engineering. [Visit Website](http://www.cascadedesigncollab.com/contact/) --- ### [Core Design, Inc.](https://clutch.co/profile/core-design-0) - 10 - 49 employees - Bothell, WA #### Services Provided - Allocation of Expertise by Percentage - 60% Architectural Design - 40% Engineering #### Company description Core Design, Inc. Is a small Architectural Design company. They offer Architectural Design and Engineering and were launched in 1954. [Visit Website](http://www.coredesigninc.com/) --- ### [MIG](https://clutch.co/profile/mig-0) - 50 - 249 employees - Seattle, WA #### Services Provided - Allocation of Expertise by Percentage - 5% Advertising - 10% Architectural Design - 10% Branding - 10% Commercial Brokerage Services - 10% Commercial Development - 10% Commercial Property Management - 10% Engineering - 10% Graphic Design - 5% HR Consulting - 10% Business Consulting - 10% Web Development #### Company description MIG is a branding agency. In Berkeley, California and Portland, Oregon, their team specializes in Branding and Architectural Design. [Visit Website](http://www.migcom.com/) #### 1% of employees work in Seattle office Seattle, WA 1500 4th Ave, Suite 510 employees Seattle, WA 615 2nd Ave employees [See All Locations (6)](https://clutch.co/profile/mig-0#location) --- ### [Hainline](https://clutch.co/profile/hainline) - 10 - 49 employees - Seattle, WA #### Services Provided - Allocation of Expertise by Percentage - 10% Architectural Design - 40% Commercial Development - 30% Engineering - 10% Financial Consulting - 10% Business Consulting #### Company description Based in Seattle, Washington, Hainline is a Commercial Development company. They provide Commercial Development and Engineering and were established in 1981. [Visit Website](https://www.hainline.net/) --- ### [Skillings, Inc.](https://clutch.co/profile/skillings) - 10 - 49 employees - Lacey, WA #### Services Provided - Allocation of Expertise by Percentage - 50% Commercial Development - 30% Engineering - 10% Financial Consulting - 10% Business Consulting #### Company description In Lacey, Washington, Skillings, Inc. Is a Commercial Development company. They specialize in Commercial Development and Engineering. [Visit Website](https://www.skillings.com/) --- ### [Barghausen Consulting Engineers](https://clutch.co/profile/barghausen-consulting-engineers) - 50 - 249 employees - Kent, WA #### Services Provided - Allocation of Expertise by Percentage - 30% Architectural Design - 40% Commercial Development - 30% Engineering #### Company description Barghausen Consulting Engineers is a midsize Commercial Development company established in 1982. Their services include Commercial Development and Architectural Design. [Visit Website](https://www.barghausen.com/) --- ### [MacKay Sposito](https://clutch.co/profile/mackay-sposito) - 50 - 249 employees - Federal Way, WA #### Services Provided - Allocation of Expertise by Percentage - 30% Architectural Design - 35% Commercial Development - 35% Engineering #### Company description MacKay Sposito is a Commercial Development company. They are headquartered in Vancouver, Washington and Pasco, Washington, and their services include Commercial Development and Engineering. [Visit Website](https://www.mackaysposito.com/) #### 1% of employees work in Federal Way office Federal Way, WA 33810 Weyerhaeuser Way South, Suite 130 employees 253.205.8700 [See All Locations (4)](https://clutch.co/profile/mackay-sposito#location) --- ### [SCJ Alliance](https://clutch.co/profile/scj-alliance) - 50 - 249 employees - Seattle, WA #### Services Provided - Allocation of Expertise by Percentage - 25% Architectural Design - 25% Commercial Development - 20% Engineering - 15% Interior Design - 15% Business Consulting #### Company description SCJ Alliance is a midsize Architectural Design company. They focus on Architectural Design and Commercial Development and were established in 2006. [Visit Website](https://www.scjalliance.com/) #### 1% of employees work in Seattle office Seattle, WA 1201 Third Ave, Suite 550 employees 206.739.5454 Seattle, WA 3625 Woodland Park Ave N, Suite 100 employees 206.708.1862 [See All Locations (10)](https://clutch.co/profile/scj-alliance#location) --- ### [Blueline](https://clutch.co/profile/blueline) - 50 - 249 employees - Seattle, WA #### Services Provided - Allocation of Expertise by Percentage - 30% Architectural Design - 35% Commercial Development - 35% Engineering #### Company description Launched in 2003, Blueline is a Commercial Development company. Their team focuses on Commercial Development and Engineering. [Visit Website](https://www.thebluelinegroup.com/) #### 1% of employees work in Seattle office Seattle, WA 115 NE 100th St., Suite 210 employees [See All Locations (4)](https://clutch.co/profile/blueline#location) --- ### [ESM Consulting Engineers, LLC](https://clutch.co/profile/esm-consulting-engineers) - 50 - 249 employees - Lynnwood, WA #### Services Provided - Allocation of Expertise by Percentage - 30% Architectural Design - 35% Commercial Development - 35% Engineering #### Company description ESM Consulting Engineers, LLC is a midsize Commercial Development company. Launched in 1982, the team specializes in Commercial Development and Engineering. [Visit Website](https://www.esmcivil.com/) #### 50% of employees work in Lynnwood office Lynnwood, WA Alderwood Business Center 3500 188th St SW, Ste 633 50 - 75 employees (425) 297-9900 [See All Locations (2)](https://clutch.co/profile/esm-consulting-engineers#location) --- ### [LDC, Inc.](https://clutch.co/profile/ldc) - 50 - 249 employees - Woodinville, WA #### Services Provided - Allocation of Expertise by Percentage - 50% Commercial Development - 50% Engineering #### Company description Commercial Development and Engineering company LDC, Inc. Was launched in 2003. Headquartered in Woodinville, Washington and Kent, Washington, the team provides Commercial Development and Engineering. [Visit Website](https://ldccorp.com/) --- ### [Otak](https://clutch.co/profile/otak) - 250 - 999 employees - Everett, WA #### Services Provided - Allocation of Expertise by Percentage - 25% Architectural Design - 50% Engineering - 25% Interior Design #### Company description Otak, a midsize Engineering company, is based in Everett, Washington and Denver, Colorado. The team provides Engineering and Architectural Design. [Visit Website](https://www.otak.com/) --- ### [Business 2 Virtual LLC](https://clutch.co/profile/business-2-virtual) - 2 - 9 employees - Seattle, WA #### Services Provided - Allocation of Expertise by Percentage - 20% Back Office Outsourcing - 10% Content Marketing - 10% Content Writing Services - 10% Digital Strategy - 20% Engineering - 10% Marketing Strategy - 10% Social Media Marketing - 10% Web Development #### Company description Business 2 Virtual LLC is a Back Office Outsourcing company. They are based in Seattle, Washington and have small team. They focus on Back Office Outsourcing and Engineering. [Visit Website](https://business2virtual.com/) --- #### Get personalized agency matches based on your project goals. [Find the right fit](https://project.clutch.co/project-brief?source=directory_slide_in_CTA&BPB_adoption_source=directory) ## Why Trust Clutch At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences. Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria. Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them. 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