
We do investigations a little differently.
SAM SPADE® All-inclusive pricing is our best option to save you money. Whenever possible we will create a package price so you know what you are getting for your money. Hourly rates can be bottomless pits.
We treat your hard-earned money as our own. We know it isn't pleasant to hire a private investigator. We wouldn't want to either. So we do our best to take the sting out of high-quality service and results.

BACKGROUNDS
We look into people. We validate things like criminal history, education, employment, conduct, and more.
Our background investigations can be custom tailored to your exact specifications.
FIND ASSETS
We locate hidden assets to make honest distribution more fair. Don't let them hide assets and cheat you from what you are due.
From banks, to brokerage accounts; from hidden companies to houses and other real estate, crypto currency, safe deposit boxes, insurance policies and more.
LOCATE PEOPLE
Looking for someone? Googled yourself silly? We use proprietary and government sources not available to the public to locate people.
FAMILY LAW / DIVORCE PREP.
We help with family law matters such as cheating partners, child custody & support and elder abuse. During a family matter, emotions are understandably at an all time high. We offer objective sound investigative approaches that gather relevant facts that help you establish your case.
CYBER & DIGITAL
In-house professional digital forensics including social media forensics, Online harassment, cyber bullying and more. We have specialized people that are cybersecurity and cyber investigators.
Our Clients Share
Understandably, most of our clients don't leave reviews. But, when we receive one, we are thrilled. Leaving a review may not be a good idea for your case, and we understand that. We are grateful for the dozens we do have.

I obtained some serious results when the agency found assets that were rightly mine during the divorce. Made things much smoother.
Charlize - Vallejo, CA

They proved that my ex was working and that he had not told the courts about some of his bank accounts. I got the child support I deserved because of their work.
Tara - Napa, CA

Business partner stole $180,000 plus. These guys were the best as they literally recorded him stealing from our company registers.
RJ - San Francisco

This is a testimonial for Steve the private detective I hired. I was more than happy with the performance of this group.
Lydia - Sonoma
Sam Spade® Investigations Help Improve Your Life
30 YEARS OF HELPING PEOPLE AND BUILDING TRUST

Discreet San Francisco Bay Area Investigations Have Been Our Focus For 30 Years
We know you need CLARITY in life, but don’t know where to start? Click the button to schedule a call with an expert who can guide you in getting STARTED now.

How Much Does a Private Investigator Cost?
The cost of hiring a California private investigator will depend upon the complexity of the investigation, the required human resources, possible expense, and the detective's experience.
We break many of our private investigation services into package prices, saving our clients from the frustration of overinflated billing. We have all-inclusive package prices starting at $416. We have no unethical hourly billing.
Best In Class Case Management
Everything you need to get your investigation started fast.

Complete Privacy
Maximum discretion. Spade & Archer and our Sam Spade™ investigative product is the preeminent privacy focused private investigation firm in California.

Quick Case Initiation
Private doesn't waste any time. We roll up our sleeves and get started immediately on your matter. Don't wait to start your case, all cases are started the same day you hire us.
Will the person know I hire a private investigator?
No. No one will ever know. Any records we access, data bases we search or information we uncover will not leak to the subject of investigation. We use careful and methodical approaches to our investigative strategies. If we feel any aspect of the matter may leak, we will share it with you first so we can decide if the risk is worth the reward.
Do you offer any guarantees on your investigation services?
Yes. We guarantee our workmanship based on the budget the client has provided. We also have some additional guarantees depending on the case. Not all private investigations come with a guarantee, so it’s best to speak to us to discuss your matter. Remember, each investigation is different, and there are no promises as to the outcome of your private investigation.
How much does a private investigator cost?
Most of our private investigation fees are in package prices so that you don’t worry about hourly billing. For example, we have package prices starting at $208, $950 and others more complex that may have an hourly rate of $200 per hour.
People also ask...
Spade & Archer® is a San Francisco Bay Area private investigator and cybersecurity firm located in Napa, California, and Sheridan, Wyoming. We provide nationwide private investigation services. We handle most cases in a package price to save you from over inflated billing.
Sam Spade® is our trademarked services under the Spade & Archer umbrella for private investigation services. We are not standard private investigators—our goal is different. We want the private investigation, cyber investigation, and security services we provide to help our clients live happier, healthier, and wealthier lives. We help people live better lives by answering challenging questions and providing information that provides peace of mind. Spade & Archer delivers actionable information used in business, personal, and legal matters.
Our firm is entirely available for private investigations, commercial investigations, cybersecurity, phone forensics, privacy consulting, and security planning services.
Our San Francisco Bay Area local private investigator handles cases in San Francisco, Contra Costa County, San Jose, Marin, San Rafael, Sonoma, Petaluma, and Napa. In addition, our private investigation services are available in Vallejo, Benicia, Martinez, Walnut Creek, Fairfield, and Vacaville.













