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← Back to Top 13 Bookkeepers in Boston Area (New Hampshire Part), NH (2026)

Cornerstone Tax Services LLC

Evidence Score 51/100 at 74% evidence coverage 4 of 13 on the Boston area (New Hampshire part) list How the score works

What we could verify

Registered business?
Registration found: New Hampshire Secretary of State, status Good Standing, formed 2010
CPA license or firm permit?
Not verified
Publishes prices?
Publishes a starting price
Local or remote?
Not verified
Software?
None named on its website

2 of 5 answered from a dated source.

Documents 4 of 5 core services; publishes a starting price; registered entity verified.

Score breakdown

Documented services + buyer fit22 of 40 pts, 32 checked
Independently verifiable qualifications0 of 20 pts, 6 checked
Operational + pricing transparency16 of 25 pts, 21 checked
Verified identity + continuity13 of 15 pts, 15 checked

Dark bar: points earned. Grey bar: the weight we could check.

Evidence

Unless a row says otherwise, the source is the named page of Cornerstone Tax Services LLC's own website (self-reported), read Sep 25, 2026.
ClaimWhat the source showsSourcePoints
Business name Cornerstone Tax Services LLC home page
Website https://cornerstonetaxservices.com/ home page
Office locality Dover, NH home page
Phone +16033432393 home page
Offers bookkeeping Documented: ...our clients money because in some cases all that was needed was a clarification letter. Bookkeeping Bookkeeping We tailor our bookkeeping services to help you manage the day to day... /services
Monthly bookkeeping Documented: We tailor our bookkeeping services to help you manage the day to day transactions ... We provide you with a profit and loss every month, so you can see how your business is... /services 8 pts (max 8)
AP / AR Documented: We can also pay your bills, perform job costing and send out your invoices. /services 4 pts (max 4)
Payroll coordination Documented: ...and send out your invoices. We charge a monthly hourly rate that starts @ $75/hr. Payroll Payroll We offer payroll for your business. Our service includes paying your employees... /services 4 pts (max 4)
Month-end close + reporting Documented: ...from your business bank account and categorize each transaction. We provide you with a profit and loss every month, so you can see how your business is progressing. We can also... /services 6 pts (max 6)
Pricing approach published Publishes a starting price: "We charge a monthly hourly rate that starts @ $75/hr." /services 6 pts (max 6)
Reporting cadence stated Documented: We provide you with a profit and loss every month, so you can see how your business is progressing. /services 4 pts (max 4)
Named contact / team Jennifer, Managing Partner /about-us 3 pts (max 3)
Communication channel / process Documented: Contact Us Now! PORTAL Calendar home page 3 pts (max 3)
Entity found in the state business registry Business registration found: Cornerstone Tax Services, LLC · NH business ID 631192 · New Hampshire Secretary of State · Good Standing State business registry
Third-party
Sep 25, 2026
6 pts (max 6)
Years operating (registry formation date) Formed 2010-05-19 (business creation date of a New Hampshire-formed entity) State business registry
Third-party
Sep 25, 2026
5 pts (max 5)
Working contact route verified [email protected] (mail server found) DNS check
Third-party
Sep 25, 2026
2 pts (max 2)

Checked and not found

  • Not documented. Checked 4 pages of the firm's own site on 2026-09-25 (Firm's own website): Catch-up / cleanup (0 pts, max 5); Software supported (0 pts, max 5); What is included / excluded (0 pts, max 5); Privacy / data-handling page (0 pts, max 2).
  • Not verified. Searched Xero's advisor directory for 'Cornerstone Tax Services LLC' on 2026-09-25; no listing for this firm (Software advisor directory): Current QuickBooks ProAdvisor or Xero advisor listing (0 pts, max 6).

Searches that find nothing are not a mark against a firm. How we search.

Not verified (not checked yet, so each scores 0 and counts against coverage): Service area; Industries served (documented) (0 pts, max 5); Local / remote model stated (0 pts, max 3); Active CPA firm or individual license (state board) (0 pts, max 8); Bookkeeping designation (AIPB/NACPB) or IRS preparer record (0 pts, max 6); Onboarding described (0 pts, max 4).

Check it yourself on the state's own records: New Hampshire Board of Accountancy license search and business registry search.

  • Entity found in the state business registry: Business registration found: New Hampshire Secretary of State, QuickStart business search lists Cornerstone Tax Services, LLC (NH business ID 631192), status Good Standing, checked 2026-09-25. It confirms a registered entity, not a license to practice accountancy.
  • Years operating (registry formation date): The registry records 2010-05-19 as the business creation date of a New Hampshire-formed entity.
  • Working contact route verified: The email address the firm publishes is on a domain that accepts mail (MX record present).

Data limitations

  • 17 of 21 evidenced items come from Cornerstone Tax Services LLC's own website and are labelled self-reported.
  • No ratings or review counts are published here. Why.

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