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58 Top San Francisco Web Development Companies and Startups of 2021

This article showcases our top picks for the best San Francisco based Web Development companies. These startups and companies are taking a variety of approaches to innovating the Web Development industry, but are all exceptional companies well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups and companies for exceptional performance in one of these categories:

Top San Francisco Web Development Startups

Data sourced from Crunchbase and SemRush.

Automattic

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Automattic develops publishing platforms, including the WordPress.com website and the VIP WordPress.com cloud version.

Sitecore

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Sitecore is a customer experience management company that provides multichannel marketing automation software and web content management.

Netlify

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Netlify is a unified platform that automates code to create high-performant, easily-maintainable sites, and web-apps.

Pantheon

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Pantheon is the WebOps platform where marketers, designers and developers drive results with WordPress and Drupal websites.

Sauce Labs

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Sauce Labs provides cloud-based testing for mobile and web applications.

Builder

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Builder helps people build their technology without having to become an engineer or hire a team.

Rainforest QA

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Rainforest QA offers modern testing for web and mobile apps.

PubNub

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The PubNub Data Stream Network enables mobile and web developers to build and scale realtime apps.

Wizeline

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Wizeline is a product design and development services company that builds data-driven, cloud-native products and platforms for its clients.

Kabam

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Kabam develops multiplayer games on mobile, online, and social networks.

Famous.co

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Famous Studio enables designers to create, publish, and manage beautiful ads, pages, videos, apps, articles, and slides – in minutes

Kover

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Kover develops micropremium products for consumers’ everyday pain points.

FeaturePeek

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Supercharged deployment previews for all

Brandcast

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Brandcast helps enterprises move faster by fusing web design, content creation, and brand asset management into a unified system.

TrueNorth

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TrueNorth is a leader in fintech software solutions having built 45 enterprises from scratch and 120 digital transformations.

FollowAnalytics

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FollowAnalytics provides a mobile marketing automation and engagement platform for marketers.

Cube Dev

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Cube Dev is a computer software company that specializes in the fields of open source, analytics, databases, and developer tools.

WordPress

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WordPress offers a web publishing software that can be used to create websites or blogs.

Pathbrite

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Pathbrite enables educators to foster deep learning and boost student success by using Digital Portfolios.

Jam

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Jam is an in-the-flow company that turns any website into a collaborative document.

HTEC Group

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HTEC Group is a consulting, product development and digital platform engineering company.

Piio

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Automating web performance & delivery

Atomist

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Atomist make microservice applications Easy and fun to build, through a cloud-based service.

Swarm Mobile

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Swarm Mobile provides solutions for shopper analytics and omni-channel marketing.

Zaraz

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Zaraz makes any website 40% faster with a single line of code, by optimizing how it loads third-party tools. Formerly Sweeps, YCW20.

Try.com

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Try clothes for free from online stores such as Nordstrom, Revolve and Zara. Featured in Forbes, Business Insider and Refinery29.

Designlab

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Designlab empowers creators to do the work they love, through mentor-led, online design education with a focus on quality and outcomes.

Storenvy

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Storenvy, a community of online stores, provides an e-commerce network enabling users to shop across multiple stores.

Bloc

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Bloc is a mentor-led online bootcamp for aspiring software developers and designers.

ALLO

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Whiteboarding, documentation, and video chat in one place.

Jet Admin

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Jet Admin is a software company that manages and visualizes application data with dashboards, collections, and widgets.

Gainfully

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The platform for empowering financial professionals.

Heroku

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Heroku is a platform as a service (PaaS) that provides services to create, run, and scale web and mobile apps.

Yard Club (acquired by Caterpillar)

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Yard Club builds integrated web and mobile apps for construction professionals to better manage their owned and rented equipment fleets.

Sprout

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Sprout provides a platform integrated with mobile ad networks and publishers, enabling professionals to create media HTML5 ads.

Zoomforth

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Zoomforth provides a brand communication platform intended to help businesses to design and customize branded content.

JetBridge

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Connecting startups to Eastern European tech talent

Convesio

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Convesio is the first self-healing, autoscaling, platform-as-a-service for creating and managing WordPress websites.

PivotLink

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PivotLink, a SmartFocus company, develops retail analytic solutions for marketing intelligence and customer-centric merchandising.

Codeanywhere

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Codeanywhere allows its users to share their files, folders, or entire development environments to collaborate with each other in real time.

Outbound.io

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Outbound.io is a web-based tool that organizes the messages its users send around the actions their customers take.

Watchwith

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Watchwith is a native digital video ad solution TV networks and premium video publishers use to monetize audiences beyond commercial breaks.

Pagedraw

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Pagedraw is a UI builder that turns mockups into code automatically.

RunKit

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RunKit notebooks are interactive playgrounds connected to a complete node environment right in your browser.

Jaspersoft

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Jaspersoft provides a business intelligence suite that allows businesses to make better decisions through reports, dashboards and analytics.

Clay.io

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The Platform for Mobile Web Games

Cloudstitch

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Cloudstitch is a web development platform that uses your office suite as the back-end.

Gizmo.com

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Gizmo is a cloud-based multichannel marketing platform providing tools for marketers to build, deploy, and manage ad campaigns.

Hackerbay

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Hackerbay is a software innovation company from Silicon Valley.

Teknol

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Teknol is a full service digital marketing company based in Silicon Valley

InterMatch

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InterMatch specializes in creating private online communities.

Ludei

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Ludei offers a platform that allows developers to optimize and publish HTML5 apps.

Picatcha

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Picatcha provides solutions to the Internet-abuse problem for enterprises, IT solution providers, blogs, Websites, Web services,

Elto

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Elto is a curated marketplace of expert marketers and developers who help small business owners grow their businesses online.

Sixty

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Infrastructure for the freelance economy.

BairesDev

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Powered by Technology. Driven by Talent.

Alexa.com

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Alexa.com, a subsidiary of Amazon, provides brands, marketers, and agencies with a full suite of SEO and competitor analysis tools.

IUEditor

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IUEditor allows users to design professional websites without prior knowledge of HTML, CSS, and JavaScript.

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