Assembly
YC W18New York City, US · Founded 2020 · 25 employees · Hiring · 5 known investors
Assembly provides a branded client portal for professional service firms to manage clients, contracts, and billing. The platform serves accounting, real estate, law, marketing, and tech firms, offering AI-powered back-office tools, messaging, file-sharing, invoicing, and eSignature capabilities.
Also known as Copilot · Piccolo · Portal
AI & Machine LearningE-commerceEnterprise SoftwareFuture of WorkMarketing TechSaaSB2BAIAI AssistantUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (W18)
Assembly was founded in 2020 by Marlon Misra and Neil Raina.
MM
Marlon Misrain𝕏Cofounder/CEOMarlon Misra is founder and CEO of Assembly, which provides a branded client portal for professional service firms to manage clients, contracts, and billing.
NR
Neil RainainCofounder/CTONeil Raina was CTO and cofounder at Portal (YC W18), and previously worked as a software engineer at Pinterest.
Investors · 5
Competitors · 9
by search overlapWix1333 shared keywordsWix is a website builder and domain registrar that enables users to create professional websites and online presence. The platform serves businesses, creators, agencies, and enterprises with design tools, business management features, and AI-powered capabilities.
LegalZoom.com, Inc.816 shared keywordsThis is an educational article on the LegalZoom website explaining what a limited liability company (LLC) is, including its types, tax treatment, formation process, and legal considerations. LegalZoom provides online legal services to help small and mid-size businesses register and manage LLCs and other business structures.
ClickUp751 shared keywordsClickUp provides a customizable work management platform that adapts to different company teams and projects across various functions including marketing, sales, and project management.
Elementor712 shared keywordsElementor is a WordPress website builder offering a drag-and-drop editor with design controls, forms, popups, dynamic content, and AI-assisted site planning tools. It also provides cloud hosting, domains, and email deliverability, serving individual creators, agencies, and enterprises building WordPress sites.
Vistaprint689 shared keywordsVistaprint provides custom printing and design services, offering products such as business cards, custom apparel, and signage aimed at small businesses. It serves customers in over 22 countries with online design tools, customizable templates, and shipping.
Bonsai593 shared keywordsBonsai is an all-in-one platform for agencies and small businesses that combines project management, time tracking, invoicing, and client relationship management in a single integrated system. The platform is designed to help teams manage projects, client workflows, and payments efficiently.
Canva553 shared keywordsDesign platform; Blackbird invested when it was just an idea and in every round since.
Starterstory549 shared keywordsStarter Story runs a database of nearly 3,000 real, revenue-generating businesses, detailing the tools founders used, growth tactics, costs, and timelines across curated categories. It also publishes in-depth interviews with founders and a weekly newsletter of business ideas, aimed at aspiring founders and solopreneurs.
Zendesk527 shared keywordsThis is Zendesk's internal belonging/diversity and inclusion program page, not a company profile page for an external company. It describes Zendesk's internal culture initiatives and leadership development programs.
Companies competing with Assembly for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Delaware General Assembly roundup: Public school funding - Spotlight Delawarespotlightdelaware.org · Jul 2026
General Assembly passes budget with 8% average teacher raises, plus funds for literacy, math, and researchednc.org · Jul 2026Frequently asked questions
- What does Assembly do?
- Assembly provides a branded client portal for professional service firms to manage clients, contracts, and billing. The platform serves accounting, real estate, law, marketing, and tech firms, offering AI-powered back-office tools, messaging, file-sharing, invoicing, and eSignature capabilities.
- Who founded Assembly?
- Assembly was founded by Marlon Misra, Neil Raina in 2020.
- Who are Assembly's investors?
- Assembly's investors include GoAhead Ventures, Union Square Ventures (USV), Y Combinator, Acrew Capital, Lightspeed Venture Partners.
- Where is Assembly headquartered?
- Assembly is headquartered in New York City, US.