When was MainStreet founded?

MainStreet was founded in 2002.

Where is MainStreet located?

MainStreet is headquartered in San Jose, United States. It is registered at 105 North 1st Street #28, San Jose CA, 95113.

How many employees does MainStreet have?

As of May 31, 2026, the latest employee count at MainStreet is 63.

Is MainStreet a funded company?

MainStreet is a funded company, having raised a total of $60M across 2 funding rounds to date. The company's 1st funding round was a $***** Seed round.

When was the latest funding round of MainStreet?

MainStreet's latest funding was a $***** Series A round on Mar 07, 2021, with participation from 13 investors. Its primary sector is Finance & Accounting Tech. In United States, the Finance & Accounting Tech sector has seen $2.6B in funding in 2026 to date.

Where does MainStreet rank among its competitors?

MainStreet ranks 2nd amongst 54 active competitors, of which 6 are funded. It stands 1st in terms of total funding among its competitors. The most recent competitor to raise funding was Pie VAT, which secured $15.5M in Nov, 2025.

Who are the top competitors of MainStreet?

MainStreet's top competitors include Taxo, Pie VAT and Refundit. Among them, Pie VAT secured the most recent funding round in November, 2025.

MainStreet - 2026 Company Profile, Team, Funding & Competitors

Company Details

Online tax credits claim services for startups. Its online platform automatically identifies, claim, and advances tax credits on behalf of startups. Businesses need to connect payroll systems with their online platform and based on accounting & financial databases it processes tax credits ranging from large federal programs to small local programs. It also provides startups with cash advance solutions in lieu of future claimable credits.

Website: www.mainstreet.com/
Social
Email ID: *****@mainstreet.com
Registered Address: 105 North 1st Street #28, San Jose CA, 95113

Key Metrics

Founded Year

2002

Location

San Jose, United States

Stage

Acquired

Total Funding

$60M in 2 rounds

Latest Funding Round

Series A, Mar 07, 2021, $*****

Investors

Gradient Ventures & 23 more

Ranked

2^nd among 54 active competitors

Employee Count

63 as on May 31, 2026

Similar Companies

Taxo & 73 more

Exit Details

Acquired by Employer (May 06, 2025)

View MainStreet's full profile

MainStreet is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
MAINSTREET WORK, INC. CIN: 7636033 , United States, Active	Sep 30, 2019	-	145 (As on Dec 31, 2021)	-

MainStreet got acquired by Employer on May 06, 2025.

Click here to take a look at MainStreet's acquisition in detail

MainStreet has raised a total funding of $60M over 2 rounds. Its latest funding round was a Series A round on Mar 07, 2021 for $*****. 13 investors participated in its latest round. MainStreet has 22 institutional investors and 2 angel investors.

Here is the list of recent funding rounds of MainStreet:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Mar 07, 2021	4812156	Series A	7692299	7848181	4104205	7066121

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View details of MainStreet's funding rounds and investors

The founders of MainStreet are Daniel Griffin, Dan Lindquist and Doug Ludlow.

Here are the details of MainStreet's key team members:

Daniel Griffin: Former Co-Founder of MainStreet. They serve on the board of 1 company.
Dan Lindquist: Former Co-Founder of MainStreet and founder of 1 other company.
Contact Info: 1 email address
Doug Ludlow: Co-Founder & CEO of MainStreet and founder of 1 other company.
Contact Info: 1 email address

MainStreet's Board of Directors

MainStreet's board has 6 active members. Darian Shirazi, Daniel Griffin, Christopher Farmer, Daniel Lindquist, Deok Keun Ahn and Douglas Ludlow are independent board members.

Here is the list of MainStreet's board of directors:

Name	Type	Representing	Status	Duration
Darian Shirazi	Independent board member	-	Current	4y 5m
lnds{ad	Independent board member	-	Current	8y 1m
gtuesqv	Independent board member	-	Current	4y 8m
te{ocaz	Independent board member	-	Current	8y 5m
likcpjy	Independent board member	-	Current	3y 4m
ywegkcf	Independent board member	-	Current	4y 6m

View details of MainStreet's Founder profiles and Board Members

MainStreet's employee count trend

MainStreet has 63 employees as of May 26. Here is MainStreet's employee count trend over the years:

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Top competitors of MainStreet include Taxo, Pie VAT and Refundit. Here is the list of Top 10 competitors of MainStreet, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Taxo 2024, San Francisco (United States), Seed	Developer of data extraction and reasoning engine for healthcare administration	$5.5M	Y Combinator, Character & 5 others	55/100
2nd	MainStreet 2002, San Jose (United States), Acquired	Online tax credits claim services for startups	$60M	Higher Ground Labs, SignalFire & 22 others	52/100
3rd	Pie VAT 2018, Copenhagen (Denmark), Series A	VAT refund management system	$15.5M	Builders VC, DG Ventures & 3 others	51/100
4th	Refundit 2017, Tel Aviv (Israel), Series A	App-based platform for tax refund services	$12.5M	Amadeus, Tal Ventures & 3 others	49/100
5th	Creditos NFP 2015, Sao Paulo (Brazil), Unfunded	Mobile app to track credits in the Nota Fiscal Paulista	-	-	42/100
6th	Airvat 2017, London (United Kingdom), Seed	Tax refund management services for individuals	$504K	-	40/100
7th	Skiptax 2018, Paris (France), Unfunded	Online tax refund services for consumers	-	-	40/100
8th	b.free 2017, Madrid (Spain), Unfunded	Tax refund platform	-	-	39/100
9th	Fibo 2018, Tel Aviv (Israel), Funding Raised	Tax return filing platform for individuals	-	Viola FinTech, The Founders Kitchen	36/100
10th	IZIVAT 2019, Paris (France), Funding Raised	App-based tax refund platform	-	Le Village by CA	35/100