Best Business Services Companies in Stamford, United States
The 96 best Business Services companies in Stamford, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Rizing.
Ranked: Best Business Services companies in Stamford
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Rizing Provider of SAP functional and technical consulting services | $30M | 138 mo ago | Acquired | — | 2005 | WordPressMySQLPHP+29 | — | 1 award |
| 2 | Information Services Group Provider of technology research and advisory services focused on AI | $11M | 114 mo ago | Public | Michael Connors Chairman and CEO | 2006 | Progress SitefinityApple iCloud MailFacebook Login+33 | — | — |
| 3 | Synapse Group Partnership marketing company driving revenue and loyalty through tailored customer engagement | $2M | 311 mo ago | Acquired | — | 1991 | — | 16 patents Patents concentrated in mechanical & energy engineering | — |
| 4 | META Group IT research and consulting firm | $982K | 126 mo ago | Acquired | — | 1989 | — | 109 patents Enabling immersive AR/VR interaction, hand tracking, and surround-sound headsets. | — |
| 5 | Digital Currency Group Sector-agnostic incubator focused on blockchain startups | $12K | 98 mo ago | Seed | Barry Silbert Founder & CEO | 2015 | SentryApple iCloud MailNode.js+12 | — | 1 award |
| 6 | Symmera Provider of IoT security solutions | — | 22 mo ago | Seed | Srinivas Kumar CEO & Co-Founder | 2023 | — | 13 patents Secure data streaming and PSK‑based encryption/authentication for AI and network devices | — |
| 7 | absolute media Absolute Media is a media planning and buying firm that specializes in digital media, advertising, and… | — | — | — | — | — | — | — | — |
| 8 | Access Financial Access Financial is a highly regarded contingency search firm specializing in finding positions for people… | — | — | — | — | 2003 | — | — | — |
Top 6 Business Services companies in Stamford
#1
Acquired · Stamford, Connecticut · founded 2005 · 1440 employees$29.5Mraised▾
Provider of SAP functional and technical consulting services
- Dec 2014Conventional Debt$29.5M
#2
Public · Stamford, Connecticut · founded 2006 · 1599 employees$10.9Mraised▾
Provider of technology research and advisory services focused on AI. The firm offers sourcing and advisory services, assisting with transformation through target solutions. It delivers expertise across industries, including banking, healthcare, and manufacturing. The company provides platforms to deploy data and offers research events.
- Dec 2016Post IPO$10.9M
#3
Acquired · Stamford, Connecticut · founded 1989 · 501 employees$982.4Kraised▾
META Group is an IT research and consulting firm. The company offers advisory services, bench marking, and publications that span the full spectrum of IT to IT users and vendors. The services and products come in a range of interaction models ranging from written content to in-depth customized consulting. The META Group targets as its clients commercial and governmental users of IT, as well as IT vendors. The company was acquired by Gartner Research in April 2005.
- Dec 2015Grant (prize money)$44.9K
- Dec 2015Grant (prize money)$65.5K
- Dec 2015Grant (prize money)$304K
- Nov 2015Grant (prize money)$29.3K
#4
Acquired · Stamford, Connecticut · founded 1991 · 1 employees$2.5Mraised▾
Partnership marketing company driving revenue and loyalty through tailored customer engagement. They build customized solutions that reward customers for shopping, offering exclusive deals on magazines, clubs, and media programs. They enhance loyalty programs with gated rewards and points redemption, creating a revenue stream for partners. Their programs include tailored incentives, custom retail solutions, and branded engagement strategies using AI-powered targeting. They also offer loyalty rewards, charity enrichment, continuity programs, and integrated subscription solutions. They connect publishers with quality subscribers and introduce relevant products to targeted audiences. They are a technology-driven company offering marketing services and solutions to enhance customer acquisition and retention.
- Jun 2000Series A—
- 1996Series A$2.5M
#5
Seed · Stamford, Connecticut · founded 2015$12.5Kraised▾
Sector-agnostic incubator focused on blockchain startups. Provides solutions for startups throughout seed stage, venture, token launch, growth, late stage, and public markets. Building and supporting blockchain and digital currency companies using our network, insights, and access to capital.
- Apr 2018Seed$12.5K
#6
Seed · Stamford, Connecticut · founded 2023—raised▾
Provider of IoT security solutions. It simplifies XIoT and AI or ML by providing cyber-safe devices and trusted data through device authentication, quantum-proof cryptography, and secure data streams, offering a SaaS platform with simple APIs for developers, OEMs, and end-users to enhance operational risk management and enable secure field communications.
- Aug 2024Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Business Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.