SPEC Toolbox
PrivateLast Round
Pre Seed
Jan 15, 2026
Est. Valuation
$8.5M
Total Funding Raised
$7.51M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
SPEC Toolbox is a construction technology company that provides a structural design software platform to automate complex engineering for sustainable building materials.
Sector
Enterprise Software
Verticals
Construction Tech, Vertical SaaS, Workflow Automation
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
SPEC Toolbox Comparables
Compare SPEC Toolbox with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| CalcTree | 70% | |
| eQuorum Corporation | 66% | |
| ClearCalcs | 63% |
SPEC Toolbox Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Pre Seed | Jan 15, 2026 | ||||
| Early Funding | Jan 15, 2026 | ||||
| VC Round | Aug 13, 2024 | ||||
| Early Funding | May 24, 2024 | ||||
| Seed | Oct 10, 2023 |
Key People
Founding team and executive leadership
SPEC Toolbox Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Black Nova Venture Capital | Pre Seed, Early Funding |
| Understorey Ventures | Pre Seed, Early Funding |
| EnergyLab | Pre Seed, Early Funding |
| Ecotone Partners | Pre Seed, Seed, VC Round |
| Electrifi Ventures | Pre Seed, Early Funding |
| BlueScopeX | Seed |
| Impact Ventures | Pre Seed, Seed, Early Funding |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 22, 2026
Monthly visitors increased 43% MoM.
- Jun 28, 2026
Added Binderholz GmbH, a building materials company, as a customer.
Recent news
Latest coverage and updates
- launchesOct 13, 2026
SPEC Toolbox releases SPEC Toolbox version 3.0, a complete rebuild that lets structural engineers design mass timber buildings in one place with deterministic calculations, on Oct 14th '26.
SPEC Toolbox Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about SPEC Toolbox's valuation, stock price, and market status.
Is SPEC Toolbox a public or private company?
SPEC Toolbox is a private company.
What is the current stock price of SPEC Toolbox?
SPEC Toolbox is a private company, so its shares have no public market price. Caplight tracks SPEC Toolbox's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is SPEC Toolbox worth (valuation)?
SPEC Toolbox's valuation is estimated at $8.5M based on funding round data.
Can I buy SPEC Toolbox stock?
SPEC Toolbox shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was SPEC Toolbox's last funding round?
SPEC Toolbox's most recent funding round was Pre Seed on January 15, 2026.
Who are the main investors in SPEC Toolbox?
Key investors in SPEC Toolbox include Black Nova Venture Capital, Archangel, Investible.
Will SPEC Toolbox IPO soon?
No public IPO plans have been announced for SPEC Toolbox.
How can I track SPEC Toolbox secondary market activity?
Caplight tracks bids, offers, and trades in SPEC Toolbox's shares on secondary markets.