CALIFORNIA LEGAL COUNSEL · SAN DIEGO COUNTY
Candid legal advice.
Clear options.
A practical plan.
Yes Legal helps California businesses and individuals assess disputes, contracts, employment issues, negotiations, and other consequential legal problems. You receive an honest evaluation of what the facts and law support, along with practical options for what to do next.
The preliminary intake helps the firm understand the general issue, identify deadlines, and begin a conflict check. It does not provide legal advice and does not create an attorney-client relationship.
California attorney · State Bar #343462 · Serving San Diego County and California · Founded 2022 · Limited-scope and full representation
Testimonials reflect individual client experiences. Every case is different. Testimonials do not constitute a guarantee, warranty, or prediction regarding the outcome of any legal matter.
WHAT DO YOU NEED HELP WITH?
Start with the problem, not the practice-area label.
Legal matters do not always fit neatly into a single category. A contract issue may become a dispute. An employment concern may require negotiation. A business decision may involve legal, practical, and financial risks at the same time. Yes Legal evaluates the full situation, identifies the available paths, and helps determine what should happen next.
01
I'm not sure where to start.
A defined legal assessment reviews the documents and facts, identifies the legal and practical issues, and gives you a written action plan before you commit to anything larger.
02
I have a contract or business issue.
Drafting, review, revision, and negotiation for businesses, owners, professionals, and individuals, structured around the actual decision, not just the language on the page.
03
I need to send or answer a demand.
Demand letters, responses, negotiation strategy, settlement analysis, and pre-litigation planning built around your objective and your leverage.
04
I have an employment or severance issue.
Severance review, workplace disputes, termination and retaliation concerns, and employer-side advice, usually on a short deadline.
05
I need help with one part, not everything.
Limited-scope representation for a specific document, decision, negotiation, or stage, with the boundaries defined in writing before work begins.
06
My situation doesn't fit these.
Yes Legal evaluates selected other California matters, and will tell you when another attorney is a better fit.
HOW IT WORKS
A defined process, not an open-ended engagement.
Yes Legal begins with an introductory call to understand the problem, determine fit, and define the appropriate scope. When deeper review is needed, a paid legal assessment examines the facts, documents, law, costs, and risks, then provides a written memorandum with practical options.
FIRST
Introductory call
A free call to understand the issue, identify immediate concerns, and determine whether Yes Legal is the right fit. The call is for intake and scope, not substantive legal advice.
THEN
Paid legal assessment
If the matter requires review and analysis, a paid Phase 1 engagement is defined. Scope, deliverables, timing, and price are confirmed before payment and before work begins.
NEXT
Choose the right path
A written memorandum sets out practical next steps, including what you may be able to handle yourself and the options for limited-scope, negotiation, or ongoing representation.
WHY CLIENTS CHOOSE YES LEGAL
Legal problems are rarely solved by telling clients what they want to hear.
Yes Legal provides candid analysis, realistic options, and a defined plan based on the facts, law, evidence, cost, and risk.
Independent judgment
You receive an honest assessment of what the matter supports, including weaknesses, risks, and practical limits.
Defined scope
The work is structured in clear phases so you understand what is being reviewed, what you will receive, and what additional help may cost.
Practical next steps
You leave with a plan. That may mean handling some steps yourself, negotiating a resolution, preparing for litigation, or retaining Yes Legal for further work.
THE ATTORNEY
Mark Egan McGuinness II
Founding Attorney
Mark founded Yes Legal of San Diego in 2022 to provide clients with candid legal advice, independent professional judgment, and practical options for moving difficult matters forward.
He is admitted to practise in California and holds California State Bar number 343462. His practice covers the areas described on this site: legal assessments, contracts and business matters, disputes and pre-litigation, employment and severance matters, and limited-scope engagements.
INSIGHTS
Recent writing
General information about legal developments and practical questions. Articles are not legal advice about your situation.
ESTATE PLANNING
Many people assume that if they die without an estate plan, their property will simply “go to their family.” In California, that assumption is only partly true.
Yes Legal · January 16, 2026 · 3 min read
COURTS AND LEGAL NEWS
On January 14, 2026, the U.S. Supreme Court issued a unanimous decision in Case v. Montana that matters for anyone litigating, or concerned about, welfare checks,…
Yes Legal · January 16, 2026 · 6 min read
PRACTICAL GUIDANCE
As the warm sun and long days of summer beckon, many of us are eager to embrace the season’s adventures.
Mark Egan McGuinness II · August 1, 2024 · 3 min read
START HERE
Request an introductory call.
You do not need to know the name of a legal claim before contacting the firm. Explain what happened, what you need, and whether a deadline is approaching. Yes Legal will review the information and contact you about the next step, including when it cannot take the matter.
Contacting Yes Legal does not create an attorney-client relationship. Representation begins only after a written engagement agreement is signed.