50 Best Tax Consulting Companies to Watch in 2026

The most prominent tax consulting companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 801 companies tracked on Fsome.

801
Total Companies
$1.2B
Total Funding
$1.5M
Avg Funding
New York
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
Ryan
Ryan is a tax services, software, and technology firm that offers tax solutions …
Dallas 5K - 10K $687.0M Private Equity 2026-01-14
2
april
April offers embedded tax planning and filing tools that integrate into financia…
New York 51 - 100 $78.0M Series B 2025-07-23
3
Prosperr.io
Prosperr.io is a tax management startup that offers subscription-based tax plann…
Bengaluru 101 - 250 $5.5M Seed 2025-12-23
4
Formulary Financial
Formulary Financial develops solutions that integrate AI and data-driven systems…
New York 1 - 10 $4.6M Seed 2026-01-20
5
RLTYco
RLTYco is a real estate financial services company that provides commission adva…
New York 11 - 50 $20.0M Series A 2025-01-09
6
Cortea
Cortea uses artificial intelligence to change audits by speeding up processes, i…
Berlin 1 - 10 $3.4M Seed 2025-03-19
7
Aibidia
Aibidia is a FinTech company that provides AI-powered transfer pricing managemen…
Helsinki 51 - 100 $47.3M Series B 2025-06-04
8
Rivet
Rivet is a tax prep firm, designed to make tax season less taxing.
Woodbury 11 - 50 $5.1M Series Unknown 2025-09-03
9
Deduction
Deduction is a tax firm that uses AI and the tax agent tool Taylor(CPAI) to simp…
Denver 1 - 10 $2.8M Pre Seed 2025-11-14
10
True Footage
True Footage is a residential valuation platform that streamlines residential tr…
Austin 251 - 500 $97.0M Series C 2026-04-07
11
Abacus
Abacus develops agentic infrastructure for accounting firms, focusing on deeply …
$6.6M Seed 2025-07-10
12
S
Startup Investments Holding
Startup Investments Holding provides management consultancy and operational assi…
Delhi $73.3M Corporate Round 2025-11-28
13
Deferred
Deferred.com is a financial technology platform focusing in 1031 exchange servic…
Culver City 11 - 50 $3.6M Seed 2025-04-25
14
HSP Group
HSP Group is a consulting company that provides HQ-based finance, tax, legal and…
Tampa 51 - 100 $24.3M Series Unknown 2024-11-01
15
AnchorZero
AnchorZero enables entrepreneurs to use Roth IRAs for tax breaks and financial s…
Hoboken 11 - 50 $8.0M Seed 2024-06-25
16
Anthea
Anthea is a cryptocurrency life insurance agency that offers digital application…
Hamilton 11 - 50 $22.0M Series A 2025-10-02
17
Kontist
Kontist is neo-bank & tax advisory for freelancers all in one
Berlin 51 - 100 $53.2M Debt Financing 2021-11-16
18
SignalsHQ
Smart Automation Built for Scaling Tax Firms
Lewes 1 - 10 $330K Pre Seed 2025-05-08
19
RetroFix AI
RetroFix AI provides a web platform that helps to claim for tax rebates automati…
San Francisco 1 - 10 $500K Pre Seed 2024-09-25
20
P
Plain
Plain is an AI-driven investment management with tax and succession solutions fo…
São Paulo $308K Pre Seed 2025-12-17
21
TaxRay
The AI-native tax platform designed to stop cross-border leakage, accelerate cas…
1 - 10 Seed 2026-01-20
22
Sistem Global
Sistem Global are into innovative business models and digital solutions for lega…
Sariyer 501 - 1K $2.5M Private Equity 2024-10-21
23
Filepillar
Filepillar helps businesses manage their taxes and money using artificial intell…
Kuala Lumpur 1 - 10 $110K Pre Seed 2025-02-03
24
PricewaterhouseCoopers
PricewaterhouseCoopers is an accounting firm that provides tax, HR, transactions…
London c 10001 max Grant 2023-09-19
25
DivTax
Fully-automated withholding tax reclaim platform to make your dividends tax-effi…
Hamburg 1 - 10 $1.6M Pre Seed 2026-03-02
26
ready2order
ready2order is a mobile and platform-independent POS system.
Vienna 51 - 100 $5.4M Seed 2020-02-18
27
Declarando
Declarando is a tax consultancy that helps the self-employed keep accounts, prep…
Castell├│n De La Plana 51 - 100 $3.6M Non Equity Assistance 2022-09-20
28
Zhengyao Group
Zhengyao Group as an Enterprise Management Services Provider.
Jinan $3.7M Series A 2024-12-06
29
Canopy
Canopy is a service that helps workers receive real-time pay for the hours they …
Yeoksamdong 1 - 10 $694K Seed 2025-11-04
30
AltExchange
AltExchange is an alternative investment reporting platform designed for investo…
New City 1 - 10 $100K Seed 2024-01-29
31
IEQ Capital
IEQ Capital is an investment advisor that provides wealth management services.
West Los Angeles 101 - 250 Private Equity 2023-01-19
32
TAX AI
TAX AI is a Korean firm that specializes on tax solutions for assets such as rea…
Seongnam 1 - 10 $217K Seed 2024-11-07
33
Law Cyborg
A suite of AI-powered tools for lawyers and accountants.
Auckland 1 - 10 $18K Grant 2024-07-29
34
HHRChina.com
HHRChina.com is an enterprise management service platform.
Shanghai 1 - 10 $2.8M Series A 2019-09-02
35
Syntax
Syntax is an AI based finance firm offering consultancy for the risk management …
Burton-on-trent $502K Seed 2025-04-02
36
Fiscoo
Fiscoo is an online resource that provides people with smart tax management and …
Espinardo 1 - 10 $451K Debt Financing 2023-12-27
37
Fai
Fai is a simple system that automates tax management for SMEs and individuals, e…
Riyadh 11 - 50 Pre Seed 2024-05-14
38
Empathetic
Empathetic AI empowers tax professionals, by providing expert-level advice and r…
Sydney 1 - 10 $100K Grant 2024-06-20
39
Mission Wealth Management
Mission Wealth Management is an independent financial planning and investment ma…
Santa Barbara 11 - 50 Private Equity 2025-05-01
40
Harvard Business Advisors
Harvard Business Advisors is your trusted advisory partner for startups.
Nha Trang 1 - 10 $50K Pre Seed 2023-10-16
41
Instead
Instead is revolutionizing tax industry with AI-powered software, designed to si…
San Francisco 11 - 50 Undisclosed 2026-03-25
42
Camu
Camu is a developer of tax software aimed at simplifying the complexities of ind…
São Paulo 1 - 10 Series Unknown 2026-01-01
43
Dezu
Dezu offers an AI-driven solution that automates the extraction and entry of Sch…
Miami 1 - 10 Undisclosed 2024-12-06
44
Autosave
Autosave is a pension adoption platform for corporate employees.
Bengaluru, India 11 - 50 Seed 2020-03-01
45
Native Star LLC
Native Star Ventures, we are more than just investors’we are catalysts for trans…
Sheridan, United States 11 - 50 Seed 2025-01-22
46
B
Bridge HR Group
Bridge HR Group is a provider of human resources, service outsourcing, tax consu…
Shanghai 101 - 250 Series Unknown 2021-12-03
47
RAISE Texas
RAISE Texas is a non-profit organisation that provides financial consulting serv…
Texas 1 - 10 Grant 2024-03-14
48
Fortax
Fortax specializes in accounting, investment management, financial, and income t…
Noida 11 - 50 Seed 2020-01-01
49
Feminance
Feminance aims to offer a one stop solution for Financial Planning & Investment …
Hyderabad 1 - 10 Non Equity Assistance 2019-03-01
50
Aloi
Aloi is a Software Development firm offering an AI based platform for audit tax …
Miguel Hidalgo 1 - 10 Pre Seed 2023-12-01