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New Hampshire R&D Tax Credits

State and Federal Credits Available
10%
Rate on Excess Qualified Wages
Carry forward
5 years against BPT/BET
Nonrefundable
Offsets BPT first, then BET
$7M Annual
Statewide Cap with proration

The New Hampshire Research and Development (R&D) Tax Credit Program, established under RSA 77-A:5, XIII and administered by the Department of Revenue Administration (DRA), incentivizes qualified manufacturing research activities within the state. This nonrefundable credit offsets Business Profits Tax (BPT) and Business Enterprise Tax (BET) liabilities, supporting innovation in manufacturing.

10%
Rate on Excess Qualified Wages
Carry forward
5 years against BPT/BET
Nonrefundable
Offsets BPT first, then BET
$7M Annual
Statewide Cap with proration

Key Highlights

  • 10% credit on qualified manufacturing R&D wages exceeding the base amount, capped at $50,000 per taxpayer
  • Credits apply first to BPT, with remainder to BET
  • Prorated allocation if total requests exceed $7 million statewide
  • Aligned with federal IRC § 41 definitions via Form 6765
  • Available to business organizations subject to New Hampshire BPT or BET that perform in-state manufacturing R&D

Who Qualifies for the New Hampshire R&D Tax Credit

Eligibility requires conducting qualified manufacturing research activities in New Hampshire that meet federal standards under IRC § 41, with wages tied to innovation in product or process development for manufacturing purposes. Businesses must apply annually and demonstrate excess over the base via federal documentation.

Eligible Entities
  • C Corporation May claim both the regular and basic research credit
  • S Corporation Limited entity-level use; can pass credits to shareholders
  • Partnerships / LLCs Credits pass through to owners via Schedule K-1
Qualified Research Expenses (QREs)
Category
Examples
Wages
Salaries for employees performing, supervising, or supporting qualified manufacturing R&D in New Hampshire (must qualify under federal §41 and be reported as wages treated as a credit under section 41 (generally lines 5 or 24 of Form 6765))

Note:New Hampshire’s R&D tax credit is strictly limited to wages only. Unlike the federal credit, the state does not allow supplies, contract research, cloud computing costs, prototype materials, or any non-wage expenditures. All qualifying wages must meet federal IRC §41 requirements and be tied to manufacturing R&D activities performed in New Hampshire.

How to Calculate the New Hampshire R&D Tax Credit

New Hampshire uses the regular incremental method, based solely on in-state qualified manufacturing R&D wages. The credit is calculated as 10% of excess qualified wages over the base amount, subject to the $50,000 per-taxpayer cap and prorated if statewide requests exceed $7 million.

Regular Method
  • Determine total New Hampshire qualified manufacturing R&D wages for the tax year.
  • Compute base amount as defined under federal IRC § 41 (fixed-base percentage × average gross receipts for prior 4 years), except New Hampshire allows the minimum base amount to be $0.
  • Calculate excess = current qualified wages - base amount.
  • Credit = 10% × excess, not to exceed $50,000.
Example Calculation
Qualified Wages =$600,000
Base =$400,000
Excess =$200,000
Credit = 10% × $200,000 =$20,000 (within $50,000 cap)
If excess = $600,000: Credit = 10% × $600,000 = $60,000, capped at $50,000. Note: Final award prorated based on aggregate applications.
Base Calculation for New Hampshire R&D Tax Credit
  • Identify the taxpayer's total gross receipts for the prior 4 tax years (per federal §41 rules).
  • Compute average gross receipts = (Year -1 GR + Year -2 GR + Year -3 GR + Year -4 GR) / 4.
  • Apply fixed-base percentage (historical ratio of QREs to GR under federal rules; startups start at 3% for first 5 years, phasing up to 16% by year 10).
  • Base = fixed-base % × average GR (New Hampshire allows this base amount to be as low as 0, overriding federal minimums such as 50% of current qualified wages).
  • Use total taxpayer gross receipts; New Hampshire does not require state-specific adjustments.
Example Calculation
Prior Year -1 GR =$5M
Year -2 =$4M
Year -3 =$3M
Year -4 =$2M
→ Average = ($5M + $4M + $3M + $2M) / 4 =$3.5M
Fixed-base % = 10% → Base = 10% × $3.5M =$350K
If the fixed base percentage times average gross receipts would be less than 50 percent of current year QREs, federal rules force the base up to at least 50 percent of QREs. New Hampshire removes that 50 percent floor, so the base can be lower than the federal base in those cases, although it still cannot be less than the fixed base percentage times average gross receipts except in cases where the taxpayer has no prior gross receipts, in which case the base may be zero.
If no prior GR: → Base =$0 (full current qualified wages as excess)

New Hampshire-Specific Rules

New Hampshire's R&D credit emphasizes manufacturing innovation with competitive allocation to ensure broad participation. Key provisions include strict caps and deadlines to manage the program's $7 million annual funding.

Per-Taxpayer Cap

$50,000 maximum per business per fiscal year tends to concentrate benefits among small and mid-sized manufacturers, and requested credits have routinely approached or exceeded the full $7,000,000 pool.

Manufacturing Focus

Limited to qualified manufacturing R&D wages, boosting sectors like electronics and machinery, with total annual awards typically near the full $7,000,000 cap; excludes non-manufacturing activities.

Application Deadline

Form DP-165 due June 30 via mail or Granite Tax Connect for proration; late filings ineligible, ensuring timely awards by September 30.

Other Important Rules
  • Entity-Level Claim: All qualifying business organizations (C-corps, S-corps, partnerships, LLCs) claim the credit against BPT/BET at the entity level; owners benefit from reduced entity taxes
  • Audit Requirements: Retain records for the applicable statute of limitations (generally 3-4 years), including federal Form 6765 and wage allocations; DRA audits focus on manufacturing nexus
  • No Refunds: Credits are nonrefundable, and any unused amount may be carried forward for up to five subsequent tax years against BPT and BET
  • ERZTC Exclusion: Wages claimed here ineligible for Economic Revitalization Zone Tax Credit (RSA 162-N:7)
Per-Taxpayer Cap

$50,000 maximum per business per fiscal year tends to concentrate benefits among small and mid-sized manufacturers, and requested credits have routinely approached or exceeded the full $7,000,000 pool.

Manufacturing Focus

Limited to qualified manufacturing R&D wages, boosting sectors like electronics and machinery, with total annual awards typically near the full $7,000,000 cap; excludes non-manufacturing activities.

Application Deadline

Form DP-165 due June 30 via mail or Granite Tax Connect for proration; late filings ineligible, ensuring timely awards by September 30.

Other Important Rules
  • Entity-Level Claim: All qualifying business organizations (C-corps, S-corps, partnerships, LLCs) claim the credit against BPT/BET at the entity level; owners benefit from reduced entity taxes
  • Audit Requirements: Retain records for the applicable statute of limitations (generally 3-4 years), including federal Form 6765 and wage allocations; DRA audits focus on manufacturing nexus
  • No Refunds: Credits are nonrefundable, and any unused amount may be carried forward for up to five subsequent tax years against BPT and BET
  • ERZTC Exclusion: Wages claimed here ineligible for Economic Revitalization Zone Tax Credit (RSA 162-N:7)

New Hampshire R&D Tax Credits Case Study

A New Hampshire-based precision manufacturing firm unlocked significant savings through targeted R&D claims.

$50,000
total state R&D tax credits earned
75%
of wages qualified for credits
$312,000
total R&D tax credits earned (federal + state combined)
Frequent Asked Questions

What is the New Hampshire R&D tax credit?

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The New Hampshire R&D tax credit provides a 10% credit on excess qualified manufacturing R&D wages over the base amount, capped at $50,000 per taxpayer and $7 million statewide, aligning with federal guidelines (IRC § 41).

What activities qualify for New Hampshire’s R&D tax credit?

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Eligible activities involve developing or improving manufacturing products, processes, or software in New Hampshire, such as prototyping advanced materials or optimizing production techniques. Strike Tax identifies qualifying projects.

How much can my business save with New Hampshire’s R&D tax credit?

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For $600,000 in excess qualified wages, you could save up to $50,000 (capped), plus federal credits. Use Strike Tax’s R&D Credit Calculator for personalized estimates.

Are New Hampshire R&D tax credits refundable for small businesses?

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Credits are nonrefundable but carry forward for 5 years. Small manufacturers can stack with federal payroll tax offsets for cash flow. Strike Tax maximizes benefits.

How do I apply for New Hampshire’s R&D tax credit?

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File Form DP-165 by June 30, either by mail or through the Granite Tax Connect portal, attaching federal Form 6765 (or pro forma). Strike Tax handles documentation and proration risks.

Can New Hampshire businesses claim both state and federal credits?

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Yes, stack state and federal credits for the same qualified wages to amplify savings. Strike Tax optimizes claims across both.

What are the 2025 changes to R&D tax credits in New Hampshire?

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No major changes for 2025; the $7 million aggregate cap remains. Legislation was proposed to increase the cap and per taxpayer limit, but it did not become law as of December 2025.

What is the base amount for New Hampshire’s R&D credit?

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The base amount follows the federal Section 41 rules (fixed-base percentage times average gross receipts for the prior four years), except New Hampshire allows the minimum base amount to be zero. The state does not create a separate New Hampshire-only gross receipts base.

How does the proration work if applications exceed the cap?

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DRA prorates awards proportionally based on eligible excess qualified wages; historically the program has been oversubscribed, with reductions varying year to year. Strike Tax advises on strengthening applications.

Why is New Hampshire’s R&D credit valuable for manufacturing companies?

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The manufacturing focus and $50,000 cap provide targeted relief for NH's key industry, with 5-year carryforward ensuring long-term value. Strike Tax tailors claims for manufacturers.

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