Best Finance & Accounting Services Companies in Connecticut, United States
The 55 best Finance & Accounting Services companies in Connecticut, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Aquilance.
Our analysis of 50 Finance & Accounting Services companies
$6.2b in tracked funding; 80% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2022.
Ranked: Best Finance & Accounting Services companies in Connecticut
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Aquilance Financial administration firm that provides services to individuals and families 37Funding top 32%Talent bottom 49%Global bottom 36% All 3 signals ▾Fundingtop 32% Talentbottom 49% Globalbottom 36% Funding: Raised $16.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 37/100 | $16M | 6 mo ago | Early Stage | John Carey CEO | 1987 | — | — |
| 2 | Rivet Tax prep firm that makes tax season less taxing by offering corporate and personal tax services, R&D credits… 45Funding top 41%Talent top 45%Tech bottom 41%Global bottom 33% All 4 signals ▾Fundingtop 41% Talenttop 45% Techbottom 41% Globalbottom 33% Funding: Raised $8.7M across 3 rounds · 3 rounds over 5 yrs (0.6/yr) Talent: 2 named leaders on record rank vs industry peers · Fliar Intelligence Index 45/100 | $9M | 12 mo ago | Series A | Nick Abouzeid Co-Founder & CEO | 2021 | WebflowGSAPPostHog+11 | 2 job openings · 3 partnerships |
| 3 | Triant Capital Management Provider of financial services | $160K | 56 mo ago | Deadpooled | Timothy Schrader Co-Founder | 2017 | — | — |
| 4 | abapc ABAPC INC is an accounting and financial service firm. | — | — | — | — | — | — | — |
| 5 | Accounting Solutions Provider of software consulting and tax preparation services | — | — | Funding Raised | Peter C Jenkin Founder | 1988 | — | — |
| 6 | Adamssamartinocpa Adams Samartino specializes in tax preparation, accounting, financial, tax, retirement, estate and business… | — | — | Unfunded | — | — | — | — |
| 7 | Aden Financial Services Provider of tax preparation, financial, and other services | — | — | Unfunded | Ann Deneutte CEO | 2020 | — | — |
| 8 | axis cpa group Axis CPA Group provides accounting and financial solutions for businesses and individuals. | — | — | — | — | — | — | — |
Top 3 Finance & Accounting Services companies in Connecticut
#1
Early Stage · Trumbull, Connecticut · founded 1987$16Mraised▾
Financial administration firm that provides services to individuals and families. It offers a diverse range of services, including personal bookkeeping and bill pay, consolidated accounting across multi-entity family structures and complex investment partnerships, consolidated investment performance reporting, ILIT administration, tax planning, compliance, and insurance reviews.
- Jan 2026Unattributed$16M
#2
Series A · Woodbury, Connecticut · founded 2021$8.7Mraised▾
Rivet is a tax prep firm focused on making the tax season less burdensome for individuals and corporations. Their services include corporate tax, personal taxes, R&D credits, and bookkeeping.
- Jul 2025Series A$5.1M
- Oct 2022Seed$2.5M
- Oct 2021Seed$1.1M
#3
Deadpooled · Westport, Connecticut · founded 2017 · 2 employees$160Kraised▾
Developer of a fin-tech platform designed to generate outsized returns from intermediate-term market inefficiencies. The company's platform offers a quantitative approach to generate returns based on its intermediate-term equity trading algorithms, enabling clients to generate more returns on investments.
- Oct 2021Seed$160K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Finance & Accounting Services coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Fintech is moving in the United States
A read on the academic research around Fintech — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 907 United States-affiliated papers.
- Film Independent54
- United States Department of Commerce26
- Community Partners22
- University of Virginia18
- International Monetary Fund12
- Financial services42
- Database transaction16
- Payment15
- Scalability12
- Credit risk11
- Financial services7→190
- Financial inclusion2→74
- Payment2→50
- Mobile payment3→29
- Leverage (statistics)1→21
- Financial services9→149
- Financial inclusion1→56
- Payment2→27
- Investment (military)1→19
- Cryptocurrency1→17
Where fintech is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing fintech patents in the United States
United States fintech patent filing is accelerating — 20 filings from 16 assignees (2016–2025), led by Mastercard International, Verifone, Financial Cloud Innovations; annual filings 1→7.
- Mastercard International20
- Verifone4
- Financial Cloud Innovations2
- Atombeam Technologies2
- Salah ALI Khalil1
- LNW Gaming1
- Kassetty Nikhil1
- DR Mariappan RAJA1